Publications Substance Use and Health Outcomes
Publications 2024
Enantiomer-specific analysis of amphetamine in urine, oral fluid and blood
J Anal Toxicol, 48 (5), 254-262
DOI 10.1093/jat/bkae038, PubMed 38706158
Is alcohol and psychoactive medication use associated with excess hospital length-of-stay and admission frequency? A cross-sectional, observational study
BMC Emerg Med, 24 (1), 63
DOI 10.1186/s12873-024-00979-y, PubMed 38627626
Recommendations for effective collaboration and capacity building in epidemiological studies on the effect of alcohol and drug use on traffic safety in low- and middle-income countries
Traffic Inj Prev, 25 (3), 313-321
DOI 10.1080/15389588.2024.2316720, PubMed 38426896
Substance use and driver fatality in Norway: An expanded case-control study
Traffic Inj Prev, 1-9 (in press)
DOI 10.1080/15389588.2024.2392274, PubMed 39190537
Driving under the influence of cocaine and MDMA: Relationship between blood concentrations and results from clinical test of impairment
J Anal Toxicol, 48 (5), 380-387
DOI 10.1093/jat/bkae024, PubMed 38613441
The relationship between clinical impairment and blood drug concentration: Comparison between the most prevalent traffic relevant drug groups
Forensic Sci Int, 363, 112180
DOI 10.1016/j.forsciint.2024.112180, PubMed 39141931
Identifying excessive chronic alcohol use with phosphatidylethanol in patients with suspected severe injury-results from the IDART study
Alcohol Alcohol, 59 (3)
DOI 10.1093/alcalc/agae014, PubMed 38497164
Biogeographical Ancestry Analyses Using the ForenSeqTM DNA Signature Prep Kit and Multiple Prediction Tools
Genes (Basel), 15 (4)
DOI 10.3390/genes15040510, PubMed 38674444
Publications 2023
Prevalence of use and impairment from drugs and alcohol among trauma patients: A national prospective observational study
Injury, 54 (12), 111160
DOI 10.1016/j.injury.2023.111160, PubMed 37944451
Assessing Firefighters' Tourniquet Skill Attainment and Retention: A Controlled Simulation-Based Experiment
Disaster Med Public Health Prep, 17, e409
DOI 10.1017/dmp.2023.68, PubMed 37317556
Crash-involved THC-positive drivers in Norway have a high frequency of polysubstance use
Drug Alcohol Depend, 244, 109800
DOI 10.1016/j.drugalcdep.2023.109800, PubMed 36774807
Prevalence of alcohol and drugs among drivers killed in road traffic crashes in Norway during 2011-2020
Traffic Inj Prev, 24 (3), 256-261
DOI 10.1080/15389588.2023.2174801, PubMed 36763459
Drug analysis: Comparison between dried plasma spots and liquid plasma samples of trauma patients from Cameroon-A feasibility study
Drug Test Anal, 16 (3), 303-308
DOI 10.1002/dta.3545, PubMed 37464568
Legal limits for driving under the influence of illicit drugs: large variations between jurisdictions
Forensic Sci Int Rep, 8, 100336
DOI 10.1016/j.fsir.2023.100336, PublikaID 443
All-cause and cause-specific mortality among individuals imprisoned for driving under the influence of alcohol and drugs in Norway (2000-2016): a retrospective cohort study
BMJ Open, 13 (12), e078848
DOI 10.1136/bmjopen-2023-078848, PubMed 38159948
Nystagmus among suspected amphetamine impaired drivers
J Forensic Leg Med, 95, 102502
DOI 10.1016/j.jflm.2023.102502, PubMed 36924680
Psychoactive substances and previous hospital admissions, triage and length of stay in rural injuries: a prospective observational study
Scand J Trauma Resusc Emerg Med, 31 (1), 86
DOI 10.1186/s13049-023-01156-z, PubMed 38012704
Comparative Study of Postmortem Concentrations of Benzodiazepines and Z-Hypnotics in Several Different Matrices
J Anal Toxicol, 47 (3), 287-298
DOI 10.1093/jat/bkac106, PubMed 36542823
Publications 2022
Opioid related deaths in Norway in 2000-2019
Drug Alcohol Depend, 232, 109281
DOI 10.1016/j.drugalcdep.2022.109281, PubMed 35042099
Concentrations of psychoactive substances in blood samples from non-fatal and fatal opioid overdoses
Br J Clin Pharmacol, 88 (10), 4494-4504
DOI 10.1111/bcp.15365, PubMed 35470456
[High level of ferritin and HDL cholesterol is associated with high alcohol consumption]
Tidsskr Nor Laegeforen, 142 (17)
DOI 10.4045/tidsskr.22.0431, PubMed 36416649
Deaths associated with MDMA in the period 2000-2019
Tidsskr Nor Laegeforen, 142 (8)
DOI 10.4045/tidsskr.21.0547, PubMed 35635429
Whole blood transfusion and paroxysmal nocturnal haemoglobinuria meet again: Minor incompatibility, major trouble
Vox Sang, 117 (11), 1323-1326
DOI 10.1111/vox.13354, PubMed 36102159
Determination of eight phosphatidylethanol homologues in blood by reversed phase liquid chromatography-tandem mass spectrometry - How to avoid co-elution of phosphatidylethanols and unwanted phospholipids
J Chromatogr A, 1684, 463566
DOI 10.1016/j.chroma.2022.463566, PubMed 36306689
Systematic screening of substance use upon hospitalisation
Tidsskr Nor Laegeforen, 142 (14)
DOI 10.4045/tidsskr.22.0481, PubMed 36226432
Prevalence of alcohol among drivers, riders and pedestrians injured in road traffic crashes in Cameroon: a cross-sectional study
Int J Inj Contr Saf Promot, 29 (3), 340-347
DOI 10.1080/17457300.2022.2030365, PubMed 35077267
Correlation between oral fluid and blood THC concentration: A systematic review and discussion of policy implications
Accid Anal Prev, 173, 106694
DOI 10.1016/j.aap.2022.106694, PubMed 35640367
Falsely low phosphatidylethanol may be associated with biomarkers of haemolytic disease
Basic Clin Pharmacol Toxicol, 132 (2), 223-230
DOI 10.1111/bcpt.13814, PubMed 36370095
Publications 2021
Use of alcohol and illicit drugs by trauma patients in Sao Paulo, Brazil
Injury, 53 (1), 30-36
DOI 10.1016/j.injury.2021.10.032, PubMed 34749908
The importance of alcohol in elderly's hospital admissions for fall injuries: a population case-control study
Nordisk Alkohol Nark, 39 (1), 38-49
DOI 10.1177/14550725211015836, PubMed 35308463
Quality of care, resource use and patient outcome by use of emergency response team compared with standard care for critically ill medical patients in the emergency department: a retrospective single-centre cohort study from Norway
BMJ Open, 11 (8), e047264
DOI 10.1136/bmjopen-2020-047264, PubMed 34385247
Which illicit drugs are injected in Oslo? A study based on analysis of drug residues in used injection equipment and self-reported information
Scand J Public Health, 51 (1), 21-27
DOI 10.1177/14034948211043984, PubMed 34538164
Poor correlation between alcohol concentration in oral fluid and breath in subjects consuming beverages immediately before testing
Biochem Med (Zagreb), 32 (1), 010902
DOI 10.11613/BM.2022.010902, PubMed 34955675
The alcohol marker phosphatidylethanol is closely related to AST, GGT, ferritin and HDL-C
Basic Clin Pharmacol Toxicol, 130 (1), 182-190
DOI 10.1111/bcpt.13662, PubMed 34591374
Prevalence and Correlates of Illicit Drug Use among Norwegian Nightlife Patrons
Subst Use Misuse, 56 (11), 1697-1706
DOI 10.1080/10826084.2021.1949613, PubMed 34251973
The Association between the Alcohol Biomarker Phosphatidylethanol (PEth) and Self-Reported Alcohol Consumption among Russian and Norwegian Medical Patients
Alcohol Alcohol, 56 (6), 726-736
DOI 10.1093/alcalc/agab013, PubMed 33677484
Multimorbidity, psychoactive substance use and psychological distress among acute medically ill patients: a cross-sectional study
BMJ Open, 11 (11), e052428
DOI 10.1136/bmjopen-2021-052428, PubMed 34815283
Quetiapine Poisoning - Epidemiology, Toxicokinetics and Review of the Literature
Lupine Online Journal of Medical Sciences, 5 (5), 565-573
PublikaID 372
Roadside surveys of drinking and driving in Cameroon
Traffic Inj Prev, 22 (5), 349-354
DOI 10.1080/15389588.2021.1922682, PubMed 34014768
Alcohol and drug use among road users involved in fatal crashes in Norway
Traffic Inj Prev, 22 (4), 267-271
DOI 10.1080/15389588.2021.1887854, PubMed 33724110
Geographical mapping of road traffic injuries in Lilongwe, Malawi
Injury, 52 (4), 806-813
DOI 10.1016/j.injury.2021.02.028, PubMed 33712299
Psychoactive substances have major impact on injuries in rural arctic Norway - A prospective observational study
Acta Anaesthesiol Scand, 65 (6), 824-833
DOI 10.1111/aas.13807, PubMed 33638866
Publications 2020
Oral Fluid to Blood Concentration Ratios of Different Psychoactive Drugs in Samples from Suspected Drugged Drivers
Ther Drug Monit, 42 (5), 795-800
DOI 10.1097/FTD.0000000000000760, PubMed 32251151
Post-mortem toxicological analyses of blood samples from 107 patients receiving opioid agonist treatment: substances detected and pooled opioid and benzodiazepine concentrations
Addiction, 116 (4), 845-855
DOI 10.1111/add.15211, PubMed 32738014
The implementation of per-se limits for driving under the influence of benzodiazepines and related drugs: No increased risk for arrest during therapeutic use in Norway
Traffic Inj Prev, 21 (2), 122-126
DOI 10.1080/15389588.2020.1724977, PubMed 32119573
Characteristics, management and outcome of critically ill general medical patients in the Emergency Department: An observational study
Int Emerg Nurs, 54, 100939
DOI 10.1016/j.ienj.2020.100939, PubMed 33302239
NEWS2 versus a single-parameter system to identify critically ill medical patients in the emergency department
Resusc Plus, 3, 100020
DOI 10.1016/j.resplu.2020.100020, PubMed 34223303
Prevalence of psychoactive substance use among acutely hospitalised patients in Oslo and Moscow: a cross-sectional, observational study
BMJ Open, 10 (9), e032572
DOI 10.1136/bmjopen-2019-032572, PubMed 32948540
Determination of drug residues in used syringe needles
Drug Test Anal, 12 (3), 410-416
DOI 10.1002/dta.2759, PubMed 31899604
Blood Concentrations of Designer Benzodiazepines: Relation to Impairment and Findings in Forensic Cases
J Anal Toxicol, 44 (8), 905-914
DOI 10.1093/jat/bkaa043, PubMed 32369173
Associations between psychoactive substance use and sensation seeking behavior among drivers in Norway
BMC Public Health, 20 (1), 23
DOI 10.1186/s12889-019-8087-0, PubMed 31914964
Determination of the alcohol biomarker phosphatidylethanol 16:0/18:1 and 33 compounds from eight different drug classes in whole blood by LC-MS/MS
J Pharmacol Toxicol Methods, 107, 106939
DOI 10.1016/j.vascn.2020.106939, PubMed 33257303
Corrigendum to "Harmful alcohol use among acutely ill hospitalized medical patients in Oslo and Moscow: A cross-sectional study" [Drug Alcohol Depend. 204 (2019) 107588]
Drug Alcohol Depend, 213, 108073
DOI 10.1016/j.drugalcdep.2020.108073, PubMed 32570137
Predictors of tobacco smoking among acutely ill patients in a Moscow hospital: A cross-sectional study
Tob Prev Cessat, 6, 18
DOI 10.18332/tpc/117954, PubMed 32548355
Fatal poisoning in drug addicts in the Nordic countries in 2017
Forensic Sci Int, 313, 110343
DOI 10.1016/j.forsciint.2020.110343, PubMed 32563797
Prevalence of alcohol use among road traffic crash victims presenting to a Malawian Central Hospital: A cross-sectional study
Traffic Inj Prev, 21 (8), 527-532
DOI 10.1080/15389588.2020.1819990, PubMed 33064031
Adult pedestrian and cyclist injuries in Lilongwe, Malawi: a cross-sectional study
Malawi Med J, 32 (4), 197-204
DOI 10.4314/mmj.v32i4.4, PubMed 34457204
Comparison of the Diagnostic Value of Phosphatidylethanol and Carbohydrate-Deficient Transferrin as Biomarkers of Alcohol Consumption
Alcohol Clin Exp Res, 45 (1), 153-162
DOI 10.1111/acer.14503, PubMed 33164220
Publications 2019
Detection of Drugs in Simultaneously Collected Samples of Oral Fluid and Blood
J Anal Toxicol, 43 (3), 228-232
DOI 10.1093/jat/bky079, PubMed 30295809
Identification and Assessment of Drug-User Groups Among Nightlife Attendees: Self-Reports, Breathalyzer-Tests and Oral Fluid Drug Tests
Eur Addict Res, 25 (2), 93-102
DOI 10.1159/000497318, PubMed 30783038
Drug Use by Music Festival Attendees: A Novel Triangulation Approach Using Self-Reported Data and Test Results of Oral Fluid and Pooled Urine Samples
Subst Use Misuse, 54 (14), 2317-2327
DOI 10.1080/10826084.2019.1646285, PubMed 31398072
Correspondence between Oral Fluid Drug Test Results and Self-Reported Illicit Drug Use among Music Festival Attendees
Subst Use Misuse, 54 (8), 1337-1344
DOI 10.1080/10826084.2019.1580295, PubMed 30860932
Methodologies for establishing the relationship between alcohol/drug use and driving impairment - Differences between epidemiological, experimental, and real-case studies
Forensic Sci Rev, 31 (2), 141-160
PubMed 31270059
Illegal substance use among 1,309 music festival attendees: An investigation using oral fluid sample drug tests, breathalysers and questionnaires
Scand J Public Health, 47 (4), 400-407
DOI 10.1177/1403494818821481, PubMed 30632949
Association between alcohol and drug use and arrest for driving under the influence after crash involvement in a rural area of Norway: a case-control study
BMJ Open, 9 (1), e023563
DOI 10.1136/bmjopen-2018-023563, PubMed 30610022
Harmful alcohol use among acutely ill hospitalized medical patients in Oslo and Moscow: A cross-sectional study
Drug Alcohol Depend, 204, 107588
DOI 10.1016/j.drugalcdep.2019.107588, PubMed 31590131
Trends in the use of psychoactive substances by truck drivers in São Paulo State, Brazil: A time-series cross sectional roadside survey (2009-2016)
Traffic Inj Prev, 20 (2), 122-127
DOI 10.1080/15389588.2018.1552786, PubMed 30933546
The relative impact of smoking, alcohol use and drug use on general sickness absence among Norwegian employees
BMC Public Health, 19 (1), 500
DOI 10.1186/s12889-019-6891-1, PubMed 31053139
Emergency department crowding and length of stay before and after an increased catchment area
BMC Health Serv Res, 19 (1), 506
DOI 10.1186/s12913-019-4342-4, PubMed 31331341
Comparison of traffic data and blood alcohol concentration among fatally injured drivers in Norway and Sao Paulo, Brazil, 2005-2015
Traffic Inj Prev, 20 (7), 673-678
DOI 10.1080/15389588.2019.1648797, PubMed 31408371
Pharmacokinetics of Single Doses of Methadone and Buprenorphine in Blood and Oral Fluid in Healthy Volunteers and Correlation With Effects on Psychomotor and Cognitive Functions
J Clin Psychopharmacol, 39 (5), 489-493
DOI 10.1097/JCP.0000000000001077, PubMed 31305338
An Experimental Study of Diazepam and Alprazolam Kinetics in Urine and Oral Fluid Following Single Oral Doses
J Anal Toxicol, 43 (2), 104-111
DOI 10.1093/jat/bky062, PubMed 30517712
Fatally injured drivers in Norway 2005-2015-Trends in substance use and crash characteristics
Traffic Inj Prev, 20 (5), 460-466
DOI 10.1080/15389588.2019.1616700, PubMed 31169405
Driver-related risk factors of fatal road traffic crashes associated with alcohol or drug impairment
Accid Anal Prev, 131, 191-199
DOI 10.1016/j.aap.2019.06.014, PubMed 31306833
Publications 2018
Determination of phosphatidylethanol 16:0/18:1 in whole blood by 96-well supported liquid extraction and UHPLC-MS/MS
J Clin Lab Anal, 33 (1), e22631
DOI 10.1002/jcla.22631, PubMed 30047172
The association between hospital admission and substance use among trauma patients
J. Subst. Use, 23 (1), 79-85
DOI 10.1080/14659891.2017.1348557
Roadside survey of alcohol and drug use among Norwegian drivers in 2016-2017: A follow-up of the 2008-2009 survey
Traffic Inj Prev, 19 (6), 555-562
DOI 10.1080/15389588.2018.1478087, PubMed 29927625
Evaluation of Dräger DrugTest 5000 in a Naturalistic Setting
J Anal Toxicol, 42 (4), 248-254
DOI 10.1093/jat/bky003, PubMed 29409046
Challenges and common weaknesses in case-control studies on drug use and road traffic injury based on drug testing of biological samples
Ann Epidemiol, 28 (11), 812-820
DOI 10.1016/j.annepidem.2018.08.006, PubMed 30217677
Association between speeding and use of alcohol and medicinal and illegal drugs and involvement in road traffic crashes among motor vehicle drivers
Traffic Inj Prev, 19 (8), 779-785
DOI 10.1080/15389588.2018.1518577, PubMed 30681887
Separation of isomers of new psychoactive substances and isotope-labeled amphetamines using UHPSFC-MS/MS and UHPLC-MS/MS
J. Liq. Chromatogr. Relat. Technol., 41 (7), 391-400
DOI 10.1080/10826076.2017.1388818
A clinical trial on the acute effects of methadone and buprenorphine on actual driving and cognitive function of healthy volunteers
Br J Clin Pharmacol, 85 (2), 442-453
DOI 10.1111/bcp.13818, PubMed 30515857
Determination of cocaine, metabolites and a crack cocaine biomarker in whole blood by liquid-liquid extraction and UHPLC-MS/MS
Forensic Sci Int, 289, 165-174
DOI 10.1016/j.forsciint.2018.05.030, PubMed 29885489
Publications 2017
Determination of adrenaline, noradrenaline and corticosterone in rodent blood by ion pair reversed phase UHPLC-MS/MS
J Chromatogr B Analyt Technol Biomed Life Sci, 1072, 161-172
DOI 10.1016/j.jchromb.2017.11.016, PubMed 29175696
Prevalence of drugs in oral fluid from truck drivers in Brazilian highways
Forensic Sci Int, 273, 140-143
DOI 10.1016/j.forsciint.2017.02.023, PubMed 28273545
The significance of preexisting medical conditions, alcohol/drug use and suicidal behavior for drivers in fatal motor vehicle crashes: a retrospective autopsy study
Forensic Sci Med Pathol, 14 (1), 4-17
DOI 10.1007/s12024-017-9934-x, PubMed 29185214
Differences in combinations and concentrations of drugs of abuse in fatal intoxication and driving under the influence cases
Forensic Sci Int, 281, 127-133
DOI 10.1016/j.forsciint.2017.10.045, PubMed 29128652
Corrigendum to "Differences in combinations and concentrations of drugs of abuse in fatal intoxication and driving under the influence cases" [Forensic Sci. Int. 281 (2017) 127-133]
Forensic Sci Int, 283, 219
DOI 10.1016/j.forsciint.2017.12.040, PubMed 29324351
Urinary Kinetics of Heroin Metabolites in Pigs Shortly After Intake
J Anal Toxicol, 41 (5), 451-454
DOI 10.1093/jat/bkx017, PubMed 28335030
Roadside survey on alcohol and drug use among drivers in the Arctic county of Finnmark (Norway)
Traffic Inj Prev, 18 (7), 681-687
DOI 10.1080/15389588.2017.1283027, PubMed 28112544
[The comparative analysis of the methods for the determination of phosphatidylethanol in blood as a biological marker of alcohol abuse]
Sud Med Ekspert, 60 (5), 23-26
DOI 10.17116/sudmed201760523-26, PubMed 28980550
Increasing use of cannabis among arrested drivers in Norway
Traffic Inj Prev, 18 (8), 801-806
DOI 10.1080/15389588.2017.1321114, PubMed 28448164
Toxicological findings in suspected drug-impaired drivers in Norway - Trends during 1990-2015
Forensic Sci Int, 280, 15-24
DOI 10.1016/j.forsciint.2017.09.010, PubMed 28942374
Parallel artificial liquid membrane extraction of new psychoactive substances in plasma and whole blood
J Chromatogr B Analyt Technol Biomed Life Sci, 1048, 77-84
DOI 10.1016/j.jchromb.2017.02.010, PubMed 28226266
Publications 2016
Influence of alcohol and other substances of abuse at the time of injury among patients in a Norwegian emergency department
BMC Emerg Med, 16 (1), 20
DOI 10.1186/s12873-016-0085-2, PubMed 27277762
The association between alcohol, medicinal drug use and post-traumatic stress symptoms among Norwegian rescue workers after the 22 July twin terror attacks
Int Emerg Nurs, 28, 29-33
DOI 10.1016/j.ienj.2016.03.003, PubMed 27068750
International trends in alcohol and drug use among vehicle drivers
Forensic Sci Rev, 28 (1), 37-66
PubMed 26841722
Bruk av rusmidler, sløvende legemidler og tobakk blant arbeidstakere i utvalgte bransjer i Norge
Rapport, x, x
PublikaID 269
Risk for involvement in road traffic crash during acute cannabis intoxication
Addiction, 111 (8), 1492-5
DOI 10.1111/add.13435, PubMed 27324309
Prevalence and concentrations of drugs in older suspected drugged drivers
Traffic Inj Prev, 18 (3), 231-236
DOI 10.1080/15389588.2016.1247209, PubMed 27740861
Longitudinal plasma metabolic profiles, infant feeding, and islet autoimmunity in the MIDIA study
Pediatr Diabetes, 18 (2), 111-119
DOI 10.1111/pedi.12360, PubMed 26791677
Driving under the influence of non-alcohol drugs--An update. Part II: Experimental studies
Forensic Sci Rev, 28 (2), 79-101
PubMed 27257716
Obduksjonsstatistikk 2000-2015
Rapport, 1, 1
PublikaID 268
Determination of 21 drugs in oral fluid using fully automated supported liquid extraction and UHPLC-MS/MS
Drug Test Anal, 9 (5), 808-823
DOI 10.1002/dta.2045, PubMed 27464485
Detection of Nitrobenzodiazepines and Their 7-Amino Metabolites in Oral Fluid
J Anal Toxicol, 40 (4), 310-2
DOI 10.1093/jat/bkw020, PubMed 27013620
Publications 2015
[Prevalence of injuries associated with the «russ» celebration in Norway]
Tidsskr Nor Laegeforen, 135 (7), 648-52
DOI 10.4045/tidsskr.14.0238, PubMed 25899369
Determination of a selection of synthetic cannabinoids and metabolites in urine by UHPSFC-MS/MS and by UHPLC-MS/MS
Drug Test Anal, 8 (7), 708-22
DOI 10.1002/dta.1844, PubMed 26304456
Associations between driving under the influence of alcohol or drugs, speeding and seatbelt use among fatally injured car drivers in Norway
Accid Anal Prev, 78, 14-19
DOI 10.1016/j.aap.2014.12.025, PubMed 25725424
Prevalence of alcohol and drugs among motorcycle riders killed in road crashes in Norway during 2001-2010
Accid Anal Prev, 80, 236-42
DOI 10.1016/j.aap.2015.04.017, PubMed 25932788
Use of alcohol and drugs by employees in selected business areas in Norway: a study using oral fluid testing and questionnaires
J Occup Med Toxicol, 10, 46
DOI 10.1186/s12995-015-0087-0, PubMed 26681976
Detection of illicit drugs in oral fluid from drivers as biomarker for drugs in blood
Forensic Sci Int, 256, 42-5
DOI 10.1016/j.forsciint.2015.06.027, PubMed 26295911
Comparison of drugs used by nightclub patrons and criminal offenders in Oslo, Norway
Forensic Sci Int, 265, 1-5
DOI 10.1016/j.forsciint.2015.12.029, PubMed 26826845
Driving Under the Influence of Non-Alcohol Drugs--An Update Part I: Epidemiological Studies
Forensic Sci Rev, 27 (2), 89-113
PubMed 26227253
Has Previous Abuse of Flunitrazepam Been Replaced by Clonazepam?
Eur Addict Res, 21 (4), 217-21
DOI 10.1159/000377628, PubMed 25895512
The Metabolome in Finnish Carriers of the MYBPC3-Q1061X Mutation for Hypertrophic Cardiomyopathy
PLoS One, 10 (8), e0134184
DOI 10.1371/journal.pone.0134184, PubMed 26267065
The influence of sample collection methodology and sample preprocessing on the blood metabolic profile
Bioanalysis, 7 (8), 991-1006
DOI 10.4155/bio.15.16, PubMed 25966010
Fatal poisoning in drug addicts in the Nordic countries in 2012
Forensic Sci Int, 248, 172-80
DOI 10.1016/j.forsciint.2015.01.003, PubMed 25645132
Publications 2014
Evaluation of ¹³C- and ²H-labeled internal standards for the determination of amphetamines in biological samples, by reversed-phase ultra-high performance liquid chromatography-tandem mass spectrometry
J Chromatogr A, 1344, 83-90
DOI 10.1016/j.chroma.2014.04.020, PubMed 24780257
Which drugs are associated with highest risk for being arrested for driving under the influence? A case-control study
Forensic Sci Int, 240, 21-8
DOI 10.1016/j.forsciint.2014.03.027, PubMed 24814328
Prevalence of ethyl glucuronide and ethyl sulphate among patients injured when driving or at work
Alcohol Alcohol, 50 (1), 68-73
DOI 10.1093/alcalc/agu070, PubMed 25318475
Prevalence of alcohol and drugs among car and van drivers killed in road accidents in Norway: an overview from 2001 to 2010
Traffic Inj Prev, 15 (6), 523-31
DOI 10.1080/15389588.2013.848981, PubMed 24867563
Use of alcohol and drugs among health professionals in Norway: a study using data from questionnaires and samples of oral fluid
J Occup Med Toxicol, 9 (1), 8
DOI 10.1186/1745-6673-9-8, PubMed 24612541
Commentary: why is the odds ratio for involvement in serious road traffic accident among drunk drivers in Norway and Finland higher than in other countries?
Traffic Inj Prev, 15 (1), 1-5
DOI 10.1080/15389588.2013.780651, PubMed 24279959
Detection of 4 benzodiazepines in oral fluid as biomarker for presence in blood
Ther Drug Monit, 36 (2), 252-6
DOI 10.1097/FTD.0b013e3182a3ab42, PubMed 24061449
Estimation of equivalent cutoff thresholds in blood and oral fluid for drug prevalence studies
J Anal Toxicol, 38 (2), 92-8
DOI 10.1093/jat/bkt122, PubMed 24451086
A comparison of alcohol and drug use by random motor vehicle drivers in Brazil and Norway
Int J Drug Policy, 25 (3), 393-400
DOI 10.1016/j.drugpo.2014.01.019, PubMed 24613265
Alcohol hangover as a cause of impairment in apprehended drivers
Traffic Inj Prev, 16 (4), 323-8
DOI 10.1080/15389588.2014.938324, PubMed 25023858
Synthesis of [13C6]-labelled phenethylamine derivatives for drug quantification in biological samples
J Labelled Comp Radiopharm, 57 (5), 378-87
DOI 10.1002/jlcr.3193, PubMed 24634286
Association between travel length and drug use among Brazilian truck drivers
Traffic Inj Prev, 16 (1), 5-9
DOI 10.1080/15389588.2014.906589, PubMed 24697351
Drugged driving arrests in Norway before and after the implementation of per se law
Forensic Sci Int, 245, 171-7
DOI 10.1016/j.forsciint.2014.10.038, PubMed 25447190
[A woman in her forties with cancer, syncope and spasms]
Tidsskr Nor Laegeforen, 134 (19), 1855-7
DOI 10.4045/tidsskr.13.1528, PubMed 25314987
[M. Warsame and colleagues reply]
Tidsskr Nor Laegeforen, 134 (23-24), 2239
DOI 10.4045/tidsskr.14.1437, PubMed 25492326
Publications 2013
Determination of buprenorphine, fentanyl and LSD in whole blood by UPLC-MS-MS
J Anal Toxicol, 37 (3), 159-65
DOI 10.1093/jat/bkt005, PubMed 23423312
Norwegian roadside survey of alcohol and drug use by drivers (2008-2009)
Traffic Inj Prev, 14 (5), 443-52
DOI 10.1080/15389588.2012.728016, PubMed 23697895
Associations between substance use among car and van drivers in Norway and fatal injury in road traffic accidents: A case-control study
Transp. Res. Pt. F-Traffic Psychol. Behav., 17, 134-144
DOI 10.1016/j.trf.2012.11.004
Increased population drinking is not always associated with increased number of drink driving convictions
Addiction, 108 (12), 2221-3
DOI 10.1111/add.12342, PubMed 24148108
Comparison of drug concentrations between whole blood and oral fluid
Drug Test Anal, 6 (5), 461-71
DOI 10.1002/dta.1532, PubMed 24039237
Prevalence of alcohol, illicit drugs and psychoactive medicines in killed drivers in four European countries
Int J Inj Contr Saf Promot, 21 (1), 17-28
DOI 10.1080/17457300.2012.748809, PubMed 23297822
A Norwegian study of the suitability of hair samples in epidemiological research of alcohol, nicotine and drug use
J Anal Toxicol, 37 (6), 362-8
DOI 10.1093/jat/bkt038, PubMed 23689070
A Norwegian study of the suitability of hair samples in epidemiological research of alcohol, nicotine and drug use
J Anal Toxicol, 37 (6), 362-8
DOI 10.1093/jat/bkt038 , PublikaID 266
Associations between heavy episodic drinking and alcohol related injuries: a case control study
BMC Public Health, 13, 1076
DOI 10.1186/1471-2458-13-1076, PubMed 24228707
Publications 2012
Alcohol, psychoactive substances and non-fatal road traffic accidents--a case-control study
BMC Public Health, 12, 734
DOI 10.1186/1471-2458-12-734, PubMed 22943663
Studying psychoactive substance use in injured patients: does exclusion of late arriving patients bias the results?
Drug Alcohol Depend, 127 (1-3), 187-92
DOI 10.1016/j.drugalcdep.2012.06.029, PubMed 22819867
Alcohol, drugs, and road traffic crashes in India: a systematic review
Traffic Inj Prev, 13 (6), 544-53
DOI 10.1080/15389588.2012.663518, PubMed 23137084
Analysis of alcohol and drugs in oral fluid from truck drivers in Norway
Traffic Inj Prev, 13 (1), 43-8
DOI 10.1080/15389588.2011.627957, PubMed 22239142
Estimation of cocaine consumption in the community: a critical comparison of the results from three complimentary techniques
BMJ Open, 2 (6)
DOI 10.1136/bmjopen-2012-001637, PubMed 23144259
The PMMA epidemic in Norway: comparison of fatal and non-fatal intoxications
Forensic Sci Int, 219 (1-3), 151-7
DOI 10.1016/j.forsciint.2011.12.014, PubMed 22257968
Detection of drugs of abuse in simultaneously collected oral fluid, urine and blood from Norwegian drug drivers
Forensic Sci Int, 219 (1-3), 165-71
DOI 10.1016/j.forsciint.2012.01.001, PubMed 22284072
Detection of drugs of abuse in simultaneously collected oral fluid, urine and blood from Norwegian drug drivers
Forensic Sci Int, 219 (1-3), 165
PublikaID 265
Publications 2011
¹³C labelled internal standards--a solution to minimize ion suppression effects in liquid chromatography-tandem mass spectrometry analyses of drugs in biological samples?
J Chromatogr A, 1218 (52), 9366-74
DOI 10.1016/j.chroma.2011.10.081, PubMed 22119139
Prevalence of alcohol and other substances of abuse among injured patients in a Norwegian emergency department
Drug Alcohol Depend, 117 (2-3), 132-8
DOI 10.1016/j.drugalcdep.2011.01.007, PubMed 21316163
Toxicological investigations of drivers killed in road traffic accidents in Norway during 2006-2008
Forensic Sci Int, 212 (1-3), 102-9
DOI 10.1016/j.forsciint.2011.05.021, PubMed 21665393
Prevalence of driving with blood drug concentrations above proposed new legal limits in Norway: estimations based on drug concentrations in oral fluid
Forensic Sci Int, 210 (1-3), 221-7
DOI 10.1016/j.forsciint.2011.03.021, PubMed 21482055
Alcohol, psychoactive drugs and fatal road traffic accidents in Norway: a case-control study
Accid Anal Prev, 43 (3), 1197-203
DOI 10.1016/j.aap.2010.12.034, PubMed 21376919
Estimating equivalent cutoff thresholds for drugs in blood and oral fluid using prevalence regression: a study of tetrahydrocannabinol and amphetamine
Forensic Sci Int, 212 (1-3), e26-30
DOI 10.1016/j.forsciint.2011.06.024, PubMed 21775080
Using biological samples in epidemiological research on drugs of abuse
Norsk Epidemiologi, 21 (1), 5-14
PublikaID 293
Electromembrane extraction of stimulating drugs from undiluted whole blood
J Chromatogr A, 1232, 27-36
DOI 10.1016/j.chroma.2011.08.058, PubMed 21899849
Drugs of abuse in oral fluid collected by two different sample kits--stability testing and validation using ultra performance tandem mass spectrometry analysis
J Chromatogr B Analyt Technol Biomed Life Sci, 879 (30), 3367-77
DOI 10.1016/j.jchromb.2011.09.002, PubMed 21962269
Results of workplace drug testing in Norway
Norsk epidemiologi, 21 (1), 55-59
PublikaID 264
Drugs of abuse in oral fluid collected by two different sample kits-stability testing and validation using ultra performance tandem mass spectrometry analysis.
J Chromatogr B Analyt Technol Biomed Life Sci, 879 (30), 3367-77
DOI 10.1016/j.jchromb.2011.09.002 , PublikaID 263
Controlling for high-density lipoprotein cholesterol does not affect the magnitude of the relationship between alcohol and coronary heart disease
Circulation, 124 (21), 2296-302
DOI 10.1161/CIRCULATIONAHA.111.036491, PubMed 22042888
Publications 2010
Use of alcohol and drugs by Norwegian employees: a pilot study using questionnaires and analysis of oral fluid
J Occup Med Toxicol, 5, 13
DOI 10.1186/1745-6673-5-13, PubMed 20550667
Comparison of drug concentrations in blood and oral fluid collected with the Intercept sampling device
J Anal Toxicol, 34 (4), 204-9
DOI 10.1093/jat/34.4.204, PubMed 20465866
The prevalence of alcohol and drugs in sampled oral fluid is related to sample volume
J Anal Toxicol, 34 (7), 416-9
DOI 10.1093/jat/34.7.416, PubMed 20822680
Comparison of zopiclone concentrations in oral fluid sampled with Intercept(®) oral specimen collection device and Statsure Saliva Sampler™ and concentrations in blood
J Anal Toxicol, 34 (9), 590-3
DOI 10.1093/jat/34.9.590, PubMed 21073813
Levels of ethyl glucuronide and ethyl sulfate in oral fluid, blood, and urine after use of mouthwash and ingestion of nonalcoholic wine
J Anal Toxicol, 34 (2), 84-8
DOI 10.1093/jat/34.2.84, PubMed 20223100
Ethyl glucuronide concentrations in oral fluid, blood, and urine after volunteers drank 0.5 and 1.0 g/kg doses of ethanol
J Anal Toxicol, 34 (6), 319-24
DOI 10.1093/jat/34.6.319, PubMed 20663284
Publications 2009
[Interactions with methadone and buprenorphine]
Tidsskr Nor Laegeforen, 129 (22), 2364-6
DOI 10.4045/tidsskr.09.0471, PubMed 19935937
Can the prevalence of high blood drug concentrations in a population be estimated by analysing oral fluid? A study of tetrahydrocannabinol and amphetamine
Forensic Sci Int, 195 (1-3), 153-9
DOI 10.1016/j.forsciint.2009.12.011, PubMed 20045272
Publications 2008
Determination of opiates and cocaine in urine by high pH mobile phase reversed phase UPLC-MS/MS
J Chromatogr B Analyt Technol Biomed Life Sci, 877 (4), 421-32
DOI 10.1016/j.jchromb.2008.12.052, PubMed 19144579
Prevalence of alcohol and drugs among Norwegian motor vehicle drivers: a roadside survey
Accid Anal Prev, 40 (5), 1765-72
DOI 10.1016/j.aap.2008.06.015, PubMed 18760106
Publications 2007
Rapid quantification of buprenorphine-glucuronide and norbuprenorphine-glucuronide in human urine by LC-MS-MS
J Anal Toxicol, 31 (4), 214-9
DOI 10.1093/jat/31.4.214, PubMed 17555645
Publications 2001
Determination of mangafodipir trisodium and related impurities in bulk substance and pharmaceutical formulation by ion-pair high-performance liquid chromatography
J Pharm Biomed Anal, 25 (1), 109-14
DOI 10.1016/s0731-7085(00)00500-8, PubMed 11274864
Publications 1993
Incidence of alcohol and drugs in fatally injured car drivers in Norway
Accid Anal Prev, 25 (4), 479-83
DOI 10.1016/0001-4575(93)90078-b, PubMed 8357462
Determination of amphetamine and methamphetamine in blood by derivatization with perfluorooctanoyl chloride and gas chromatography/mass spectrometry
J Anal Toxicol, 17 (2), 65-8
DOI 10.1093/jat/17.2.65, PubMed 8492568
Publications 1992
Simultaneous determination of common benzodiazepines in blood using capillary gas chromatography
J Pharm Biomed Anal, 10 (5), 317-22
DOI 10.1016/0731-7085(92)80046-p, PubMed 1354986
[Alcohol consumption among convicted drivers]
Tidsskr Nor Laegeforen, 112 (25), 3216-20
PubMed 1462298
Publications 1991
Screening for cannabinoids in blood using EMIT: concentrations of delta-9-tetrahydrocannabinol in relation to EMIT results
Forensic Sci Int, 50 (1), 121-4
DOI 10.1016/0379-0738(91)90140-e, PubMed 1657743
Evaluation of a method for simultaneous quantification of codeine, ethylmorphine and morphine in blood
Forensic Sci Int, 51 (1), 105-10
DOI 10.1016/0379-0738(91)90210-a, PubMed 1752586
Impairment in drivers due to cannabis in combination with other drugs
Forensic Sci Int, 50 (1), 57-60
DOI 10.1016/0379-0738(91)90133-4, PubMed 1657744
A case of high opiate tolerance: implications for drug analyses and interpretations
Int J Legal Med, 104 (4), 239-40
DOI 10.1007/BF01369814, PubMed 1931742
Publications 1990
Screening for drug use among Norwegian drivers suspected of driving under influence of alcohol or drugs
Forensic Sci Int, 45 (1-2), 5-14
DOI 10.1016/0379-0738(90)90216-l, PubMed 2159431
Driving under the influence of other drugs than alcohol in Norway
Acta Med Leg Soc (Liege), 40, 71-7
PubMed 2135865
Screening for drugs in forensic blood samples using EMIT urine assays
Forensic Sci Int, 44 (2-3), 179-85
DOI 10.1016/0379-0738(90)90248-w, PubMed 2180797
Driving under the influence of toluene
Forensic Sci Int, 44 (1), 77-83
DOI 10.1016/0379-0738(90)90170-4, PubMed 2303210
Publications 1989
Evidence for a primary association of celiac disease to a particular HLA-DQ alpha/beta heterodimer
J Exp Med, 169 (1), 345-50
DOI 10.1084/jem.169.1.345, PubMed 2909659
Publications 1988
A three-year prospective study of rearrests for driving under influence of alcohol or drugs
Accid Anal Prev, 20 (1), 53-7
DOI 10.1016/0001-4575(88)90014-0, PubMed 3337765
A comparison of serum carbohydrate-deficient transferrin with other biological markers of excessive drinking
Scand J Clin Lab Invest, 48 (1), 1-6
DOI 10.3109/00365518809085386, PubMed 3217743
A two year prospective study of rearrests for drunken driving
Scand J Soc Med, 16 (2), 111-3
DOI 10.1177/140349488801600209, PubMed 2898808
Publications 1987
A retrospective study of drugged driving in Norway
Forensic Sci Int, 33 (4), 243-51
DOI 10.1016/0379-0738(87)90105-8, PubMed 3034750
Daily drinking and drunken driving
Scand J Soc Med, 15 (2), 73-7
DOI 10.1177/140349488701500204, PubMed 2885913
Serum gamma-glutamyltransferase: an epidemiological indicator of alcohol consumption?
Br J Addict, 82 (9), 1027-31
DOI 10.1111/j.1360-0443.1987.tb01564.x, PubMed 2890368
Concentrations of carbohydrate-deficient transferrin in dialysed plasma from drunken drivers
Alcohol Alcohol, 22 (3), 271-6
PubMed 2887174
The prevalence of binge drinking and heavy drinking among drunken drivers arrested due to involvement in road traffic accidents
Blutalkohol, 24 (3), 199-203
PubMed 3501962
Determination of serum tryptophan by isocratic high-performance liquid chromatography and ultraviolet detection
Biomed Biochim Acta, 46 (1), 53-7
PubMed 3579886
Publications 1986
A comparison of female and male drivers arrested on suspicion of driving under the influence of alcohol or drugs
Blutalkohol, 23 (6), 438-43
PubMed 2879548
Heavy drinking among Norwegian male drunken drivers: a study of gamma-glutamyltransferase
Alcohol Clin Exp Res, 10 (2), 209-12
DOI 10.1111/j.1530-0277.1986.tb05073.x, PubMed 2872834
Publications 1985
11-Deoxycortisol induces hepatic tryptophan oxygenase in rats
Acta Pharmacol Toxicol (Copenh), 57 (1), 36-9
DOI 10.1111/j.1600-0773.1985.tb00006.x, PubMed 4050454
Determination of gamma glutamyltransferase in completely haemolysed blood samples
Scand J Clin Lab Invest, 45 (7), 661-4
DOI 10.3109/00365518509155275, PubMed 2866579
The antiglucocorticoid RU486 inhibits the ethanol-induced increase of tryptophan oxygenase
J Steroid Biochem, 23 (6A), 1091-2
DOI 10.1016/0022-4731(85)90074-3, PubMed 4094416
Ethanol increases rat liver tryptophan oxygenase: evidence for corticosterone mediation
Alcohol, 2 (2), 255-9
DOI 10.1016/0741-8329(85)90055-2, PubMed 4015847
Publications 1984
Effect of warfarin on ATP content, viability, glycosylation and protein synthesis in isolated rat hepatocytes
Acta Pharmacol Toxicol (Copenh), 54 (5), 385-8
DOI 10.1111/j.1600-0773.1984.tb01946.x, PubMed 6464783