Publications Substance Use and Health Outcomes
Publications 2024
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, 1-9 (in press)
DOI 10.1080/15389588.2024.2316720, PubMed 38426896
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