Publications 2019

Austevoll IM, Gjestad R, Grotle M, Solberg T, Brox JI, Hermansen E, Rekeland F, Indrekvam K, Storheim K, Hellum C (2019)
Follow-up score, change score or percentage change score for determining clinical important outcome following surgery? An observational study from the Norwegian registry for Spine surgery evaluating patient reported outcome measures in lumbar spinal stenosis and lumbar degenerative spondylolisthesis
BMC Musculoskelet Disord, 20 (1), 31
DOI 10.1186/s12891-018-2386-y, PubMed 30658613

Austevoll IM, Hermansen E, Fagerland M, Rekeland F, Solberg T, Storheim K, Brox JI, Lønne G, Indrekvam K, Aaen J, Grundnes O, Hellum C (2019)
Decompression alone versus decompression with instrumental fusion the NORDSTEN degenerative spondylolisthesis trial (NORDSTEN-DS); study protocol for a randomized controlled trial
BMC Musculoskelet Disord, 20 (1), 7
DOI 10.1186/s12891-018-2384-0, PubMed 30611229

Hermansen E, Myklebust TÅ, Austevoll IM, Rekeland F, Solberg T, Storheim K, Grundnes O, Aaen J, Brox JI, Hellum C, Indrekvam K (2019)
Clinical outcome after surgery for lumbar spinal stenosis in patients with insignificant lower extremity pain. A prospective cohort study from the Norwegian registry for spine surgery
BMC Musculoskelet Disord, 20 (1), 36
DOI 10.1186/s12891-019-2407-5, PubMed 30669998

Lie MM, Risberg MA, Storheim K, Engebretsen L, Øiestad BE (2019)
What's the rate of knee osteoarthritis 10 years after anterior cruciate ligament injury? An updated systematic review
Br J Sports Med (in press)
DOI 10.1136/bjsports-2018-099751, PubMed 30936063

Storheim K (2019)
Critically appraised paper: Comprehensive non-surgical treatment leads to improved walking ability in people with lumbar spinal stenosis [commentary]
J Physiother, 65 (3), 174
DOI 10.1016/j.jphys.2019.04.006, PubMed 31101520

Publications 2018

Furunes H, Hellum C, Espeland A, Brox JI, Småstuen MC, Berg L, Storheim K (2018)
Adjacent Disc Degeneration After Lumbar Total Disc Replacement or Nonoperative Treatment: A Randomized Study with 8-year Follow-up
Spine (Phila Pa 1976), 43 (24), 1695-1703
DOI 10.1097/BRS.0000000000002712, PubMed 29794581

Hellevik AI, Johnsen MB, Langhammer A, Baste V, Furnes O, Storheim K, Zwart JA, Flugsrud GB, Nordsletten L (2018)
Metabolic syndrome as a risk factor for total hip or knee replacement due to primary osteoarthritis: a prospective cohort study (the HUNT study and the Norwegian Arthroplasty Register)
Clin Epidemiol, 10, 83-96
DOI 10.2147/CLEP.S145823, PubMed 29391831

Herlin C, Kjaer P, Espeland A, Skouen JS, Leboeuf-Yde C, Karppinen J, Niinimäki J, Sørensen JS, Storheim K, Jensen TS (2018)
Modic changes-Their associations with low back pain and activity limitation: A systematic literature review and meta-analysis
PLoS One, 13 (8), e0200677
DOI 10.1371/journal.pone.0200677, PubMed 30067777

Heuch I, Storheim K (2018)
Critically appraised paper: Workplace physical exercise reduces musculoskeletal pain among healthcare workers more than home-based exercise [commentary]
J Physiother, 64 (4), 265
DOI 10.1016/j.jphys.2018.06.002, PubMed 30213579

Johnsen MB, Winsvold BS, Børte S, Vie GÅ, Pedersen LM, Storheim K, Skorpen F, Hagen K, Bjørngaard JH, Åsvold BO, Zwart JA (2018)
The causal role of smoking on the risk of headache. A Mendelian randomization analysis in the HUNT study
Eur J Neurol, 25 (9), 1148-e102
DOI 10.1111/ene.13675, PubMed 29747220

Werner EL, Løchting I, Storheim K, Grotle M (2018)
A focus group study to understand biases and confounders in a cluster randomized controlled trial on low back pain in primary care in Norway
BMC Fam Pract, 19 (1), 71
DOI 10.1186/s12875-018-0759-9, PubMed 29788920

Publications 2017

Furunes H, Hellum C, Brox JI, Rossvoll I, Espeland A, Berg L, Brøgger HM, Småstuen MC, Storheim K (2017)
Lumbar total disc replacement: predictors for long-term outcome
Eur Spine J, 27 (3), 709-718
DOI 10.1007/s00586-017-5375-1, PubMed 29103126

Furunes H, Storheim K, Brox JI, Johnsen LG, Skouen JS, Franssen E, Solberg TK, Sandvik L, Hellum C (2017)
Total disc replacement versus multidisciplinary rehabilitation in patients with chronic low back pain and degenerative discs: 8-year follow-up of a randomized controlled multicenter trial
Spine J, 17 (10), 1480-1488
DOI 10.1016/j.spinee.2017.05.011, PubMed 28583869

Guddal MH, Stensland SØ, Småstuen MC, Johnsen MB, Zwart JA, Storheim K (2017)
Physical Activity Level and Sport Participation in Relation to Musculoskeletal Pain in a Population-Based Study of Adolescents: The Young-HUNT Study
Orthop J Sports Med, 5 (1), 2325967116685543
DOI 10.1177/2325967116685543, PubMed 28203603

Hellevik AI, Johnsen MB, Langhammer A, Fenstad AM, Furnes O, Storheim K, Zwart JA, Flugsrud G, Nordsletten L (2017)
Incidence of total hip or knee replacement due to osteoarthritis in relation to thyroid function: a prospective cohort study (The Nord-Trøndelag Health Study)
BMC Musculoskelet Disord, 18 (1), 201
DOI 10.1186/s12891-017-1565-6, PubMed 28521834

Hellevik AI, Nordsletten L, Johnsen MB, Fenstad AM, Furnes O, Storheim K, Zwart JA, Flugsrud G, Langhammer A (2017)
Corrigendum to "Age of menarche is associated with knee joint replacement due to primary osteoarthritis (The HUNT Study and the Norwegian Arthroplasty Register)" [Osteoarthr Cartil 25 (2017) 1654-1662]
Osteoarthritis Cartilage, 25 (12), 2148-2149
DOI 10.1016/j.joca.2017.10.006, PubMed 29066295

Hellevik AI, Nordsletten L, Johnsen MB, Fenstad AM, Furnes O, Storheim K, Zwart JA, Flugsrud G, Langhammer A (2017)
Age of menarche is associated with knee joint replacement due to primary osteoarthritis (The HUNT Study and the Norwegian Arthroplasty Register)
Osteoarthritis Cartilage, 25 (10), 1654-1662
DOI 10.1016/j.joca.2017.06.010, PubMed 28705605

Hermansen E, Austevoll IM, Romild UK, Rekeland F, Solberg T, Storheim K, Grundnes O, Aaen J, Brox JI, Hellum C, Indrekvam K (2017)
Study-protocol for a randomized controlled trial comparing clinical and radiological results after three different posterior decompression techniques for lumbar spinal stenosis: the Spinal Stenosis Trial (SST) (part of the NORDSTEN Study)
BMC Musculoskelet Disord, 18 (1), 121
DOI 10.1186/s12891-017-1491-7, PubMed 28327114

Johnsen MB, Hellevik AI, Småstuen MC, Langhammer A, Furnes O, Flugsrud GB, Nordsletten L, Zwart JA, Storheim K (2017)
The mediating effect of body mass index on the relationship between smoking and hip or knee replacement due to primary osteoarthritis. A population-based cohort study (the HUNT Study)
PLoS One, 12 (12), e0190288
DOI 10.1371/journal.pone.0190288, PubMed 29284048

Johnsen MB, Vie GÅ, Winsvold BS, Bjørngaard JH, Åsvold BO, Gabrielsen ME, Pedersen LM, Hellevik AI, Langhammer A, Furnes O, Flugsrud GB, Skorpen F, Romundstad PR, Storheim K, Nordsletten L, Zwart JA (2017)
The causal role of smoking on the risk of hip or knee replacement due to primary osteoarthritis: a Mendelian randomisation analysis of the HUNT study
Osteoarthritis Cartilage, 25 (6), 817-823
DOI 10.1016/j.joca.2016.12.021, PubMed 28049019

Løchting I, Garratt AM, Storheim K, Werner EL, Grotle M (2017)
The impact of psychological factors on condition-specific, generic and individualized patient reported outcomes in low back pain
Health Qual Life Outcomes, 15 (1), 40
DOI 10.1186/s12955-017-0593-0, PubMed 28222741

Mansell G, Storheim K, Løchting I, Werner EL, Grotle M (2017)
Identification of Indirect Effects in a Cognitive Patient Education (COPE) Intervention for Low Back Pain
Phys Ther, 97 (12), 1138-1146
DOI 10.1093/ptj/pzx091, PubMed 29186635

Storheim K, Berg L, Hellum C, Gjertsen Ø, Neckelmann G, Espeland A, Keller A, Norwegian Spine Study Group (2017)
Fat in the lumbar multifidus muscles - predictive value and change following disc prosthesis surgery and multidisciplinary rehabilitation in patients with chronic low back pain and degenerative disc: 2-year follow-up of a randomized trial
BMC Musculoskelet Disord, 18 (1), 145
DOI 10.1186/s12891-017-1505-5, PubMed 28376754

Storheim K, Espeland A, Grøvle L, Skouen JS, Aßmus J, Anke A, Froholdt A, Pedersen LM, Haugen AJ, Fors T, Schistad E, Lutro O, Marchand GH, Kadar T, Vetti N, Randen S, Nygaard ØP, Brox JI, Grotle M, Zwart JA (2017)
Antibiotic treatment In patients with chronic low back pain and Modic changes (the AIM study): study protocol for a randomised controlled trial
Trials, 18 (1), 596
DOI 10.1186/s13063-017-2306-8, PubMed 29246188

Publications 2016

Austevoll IM, Gjestad R, Brox JI, Solberg TK, Storheim K, Rekeland F, Hermansen E, Indrekvam K, Hellum C (2016)
The effectiveness of decompression alone compared with additional fusion for lumbar spinal stenosis with degenerative spondylolisthesis: a pragmatic comparative non-inferiority observational study from the Norwegian Registry for Spine Surgery
Eur Spine J, 26 (2), 404-413
DOI 10.1007/s00586-016-4683-1, PubMed 27421276

Hermansen E, Romild UK, Austevoll IM, Solberg T, Storheim K, Brox JI, Hellum C, Indrekvam K (2016)
Does surgical technique influence clinical outcome after lumbar spinal stenosis decompression? A comparative effectiveness study from the Norwegian Registry for Spine Surgery
Eur Spine J, 26 (2), 420-427
DOI 10.1007/s00586-016-4643-9, PubMed 27262561

Johnsen MB, Guddal MH, Småstuen MC, Moksnes H, Engebretsen L, Storheim K, Zwart JA (2016)
Sport Participation and the Risk of Anterior Cruciate Ligament Reconstruction in Adolescents: A Population-based Prospective Cohort Study (The Young-HUNT Study)
Am J Sports Med, 44 (11), 2917-2924
DOI 10.1177/0363546516643807, PubMed 27159313

Johnsen MB, Hellevik AI, Baste V, Furnes O, Langhammer A, Flugsrud G, Nordsletten L, Zwart JA, Storheim K (2016)
Leisure time physical activity and the risk of hip or knee replacement due to primary osteoarthritis: a population based cohort study (The HUNT Study)
BMC Musculoskelet Disord, 17, 86
DOI 10.1186/s12891-016-0937-7, PubMed 26879518

Løchting I, Storheim K, Werner EL, Småstuen Cvancarova M, Grotle M (2016)
Evaluation of individualized quality of life and illness perceptions in low back pain. A patient education cluster randomized controlled trial
Patient Educ Couns, 99 (12), 1992-1998
DOI 10.1016/j.pec.2016.05.015, PubMed 27486051

Werner EL, Storheim K, Løchting I, Wisløff T, Grotle M (2016)
Cognitive Patient Education for Low Back Pain in Primary Care: A Cluster Randomized Controlled Trial and Cost-Effectiveness Analysis
Spine (Phila Pa 1976), 41 (6), 455-62
DOI 10.1097/BRS.0000000000001268, PubMed 26966970

Publications 2015

Lønne G, Johnsen LG, Rossvoll I, Andresen H, Storheim K, Zwart JA, Nygaard ØP (2015)
Minimally invasive decompression versus x-stop in lumbar spinal stenosis: a randomized controlled multicenter study
Spine (Phila Pa 1976), 40 (2), 77-85
DOI 10.1097/BRS.0000000000000691, PubMed 25575084

Storheim K, Hellum C (2015)
No differences between physiotherapy and decompression surgery for patients considered surgical candidates for lumbar spinal stenosis [commentary]
J Physiother, 62 (1), 49
DOI 10.1016/j.jphys.2015.09.005, PubMed 26701160

Publications 2014

Grotle M, Solberg T, Storheim K, Lærum E, Zwart JA (2014)
Public and private health service in Norway: a comparison of patient characteristics and surgery criteria for patients with nerve root affections due to discus herniation
Eur Spine J, 23 (9), 1984-91
DOI 10.1007/s00586-014-3293-z, PubMed 24898309

Johnsen LG, Hellum C, Storheim K, Nygaard ØP, Brox JI, Rossvoll I, Rø M, Andresen H, Lydersen S, Grundnes O, Pedersen M, Leivseth G, Olafsson G, Borgström F, Fritzell P, Norwegian Spine Study Group (2014)
Cost-effectiveness of total disc replacement versus multidisciplinary rehabilitation in patients with chronic low back pain: a Norwegian multicenter RCT
Spine (Phila Pa 1976), 39 (1), 23-32
DOI 10.1097/BRS.0000000000000065, PubMed 24150435

Løchting I, Grotle M, Storheim K, Werner EL, Garratt AM (2014)
Individualized quality of life in patients with low back pain: reliability and validity of the Patient Generated Index
J Rehabil Med, 46 (8), 781-7
DOI 10.2340/16501977-1826, PubMed 25117176

Storheim K, Zwart JA (2014)
Musculoskeletal disorders and the Global Burden of Disease study
Ann Rheum Dis, 73 (6), 949-50
DOI 10.1136/annrheumdis-2014-205327, PubMed 24790065

Publications 2013

Berg L, Hellum C, Gjertsen Ø, Neckelmann G, Johnsen LG, Storheim K, Brox JI, Eide GE, Espeland A, Norwegian Spine Study Group (2013)
Do more MRI findings imply worse disability or more intense low back pain? A cross-sectional study of candidates for lumbar disc prosthesis
Skeletal Radiol, 42 (11), 1593-602
DOI 10.1007/s00256-013-1700-x, PubMed 23982421

Grotle M, Wilkens P, Garratt AM, Scheel I, Storheim K (2013)
Which Roland-Morris Disability Questionnaire? Rasch analysis of four different versions tested in a Norwegian population
J Rehabil Med, 45 (7), 670-7
DOI 10.2340/16501977-1166, PubMed 23828073

Johansen JB, Røe C, Bakke ES, Mengshoel AM, Storheim K, Andelic N (2013)
The determinants of function and disability in neck patients referred to a specialized outpatient clinic
Clin J Pain, 29 (12), 1029-35
DOI 10.1097/AJP.0b013e31828027a2, PubMed 23370090

Johnsen LG, Hellum C, Nygaard OP, Storheim K, Brox JI, Rossvoll I, Leivseth G, Grotle M (2013)
Comparison of the SF6D, the EQ5D, and the oswestry disability index in patients with chronic low back pain and degenerative disc disease
BMC Musculoskelet Disord, 14, 148
DOI 10.1186/1471-2474-14-148, PubMed 23622053

Wilkens P, Scheel IB, Grundnes O, Hellum C, Storheim K (2013)
Prognostic factors of prolonged disability in patients with chronic low back pain and lumbar degeneration in primary care: a cohort study
Spine (Phila Pa 1976), 38 (1), 65-74
DOI 10.1097/BRS.0b013e318263bb7b, PubMed 22718223

Publications 2012

Dagfinrud H, Storheim K, Magnussen LH, Ødegaard T, Hoftaniska I, Larsen LG, Ringstad PO, Hatlebrekke F, Grotle M (2012)
The predictive validity of the Örebro Musculoskeletal Pain Questionnaire and the clinicians' prognostic assessment following manual therapy treatment of patients with LBP and neck pain
Man Ther, 18 (2), 124-9
DOI 10.1016/j.math.2012.08.002, PubMed 23018081

Fernandes L, Storheim K, Lochting I, Grotle M (2012)
Cross-cultural adaptation and validation of the Norwegian pain catastrophizing scale in patients with low back pain
BMC Musculoskelet Disord, 13, 111
DOI 10.1186/1471-2474-13-111, PubMed 22726668

Hellum C, Berg L, Gjertsen Ø, Johnsen LG, Neckelmann G, Storheim K, Keller A, Grundnes O, Espeland A, Norwegian Spine Study Group (2012)
Adjacent level degeneration and facet arthropathy after disc prosthesis surgery or rehabilitation in patients with chronic low back pain and degenerative disc: second report of a randomized study
Spine (Phila Pa 1976), 37 (25), 2063-73
DOI 10.1097/BRS.0b013e318263cc46, PubMed 22706091

Hellum C, Johnsen LG, Gjertsen Ø, Berg L, Neckelmann G, Grundnes O, Rossvoll I, Skouen JS, Brox JI, Storheim K, Norwegian Spine Study Group (2012)
Predictors of outcome after surgery with disc prosthesis and rehabilitation in patients with chronic low back pain and degenerative disc: 2-year follow-up
Eur Spine J, 21 (4), 681-90
DOI 10.1007/s00586-011-2145-3, PubMed 22246644

Storheim K (2012)
Targeted physiotherapy treatment for low back pain based on clinical risk can improve clinical and economic outcomes when compared with current best practice
J Physiother, 58 (1), 57
DOI 10.1016/S1836-9553(12)70073-5, PubMed 22341383

Storheim K, Brox JI, Løchting I, Werner EL, Grotle M (2012)
Cross-cultural adaptation and validation of the Norwegian version of the Core Outcome Measures Index for low back pain
Eur Spine J, 21 (12), 2539-49
DOI 10.1007/s00586-012-2393-x, PubMed 22695701

Wilkens P, Storheim K, Scheel I, Berg L, Espeland A (2012)
No effect of 6-month intake of glucosamine sulfate on Modic changes or high intensity zones in the lumbar spine: sub-group analysis of a randomized controlled trial
J Negat Results Biomed, 11, 13
DOI 10.1186/1477-5751-11-13, PubMed 22900984

Publications 2011

Hellum C, Johnsen LG, Storheim K, Nygaard OP, Brox JI, Rossvoll I, Rø M, Sandvik L, Grundnes O, Norwegian Spine Study Group (2011)
Surgery with disc prosthesis versus rehabilitation in patients with low back pain and degenerative disc: two year follow-up of randomised study
BMJ, 342, d2786
DOI 10.1136/bmj.d2786, PubMed 21596740

Publications 2010

Fernandes L, Storheim K, Nordsletten L, Risberg MA (2010)
Development of a therapeutic exercise program for patients with osteoarthritis of the hip
Phys Ther, 90 (4), 592-601
DOI 10.2522/ptj.20090083, PubMed 20185613

Fernandes L, Storheim K, Sandvik L, Nordsletten L, Risberg MA (2010)
Efficacy of patient education and supervised exercise vs patient education alone in patients with hip osteoarthritis: a single blind randomized clinical trial
Osteoarthritis Cartilage, 18 (10), 1237-43
DOI 10.1016/j.joca.2010.05.015, PubMed 20633669

Storheim K, Gjersing L, Bølstad K, Risberg MA (2010)
[Extracorporeal shock wave therapy (ESWT) and radial extracorporeal shock wave therapy (rESWT) in chronic musculoskeletal pain]
Tidsskr Nor Laegeforen, 130 (23), 2360-4
DOI 10.4045/tidsskr.09.0654, PubMed 21139662

Werner EL, Storheim K, Løchting I, Grotle M (2010)
The COPE LBP trial: cognitive patient education for low back pain--a cluster randomized controlled trial in primary care
BMC Musculoskelet Disord, 11, 33
DOI 10.1186/1471-2474-11-33, PubMed 20158897

Wilkens P, Scheel IB, Grundnes O, Hellum C, Storheim K (2010)
Effect of glucosamine on pain-related disability in patients with chronic low back pain and degenerative lumbar osteoarthritis: a randomized controlled trial
JAMA, 304 (1), 45-52
DOI 10.1001/jama.2010.893, PubMed 20606148

Wilkens P, Scheel IB, Storheim K (2010)
Effect of Oral Glucosamine on Pain-Related Disability in Patients With Chronic Low Back Pain Reply
JAMA-J. Am. Med. Assoc., 304 (15), 1673

Publications 2009

Øiestad BE, Engebretsen L, Storheim K, Risberg MA (2009)
Knee osteoarthritis after anterior cruciate ligament injury: a systematic review
Am J Sports Med, 37 (7), 1434-43
DOI 10.1177/0363546509338827, PubMed 19567666

Publications 2008

Brox JI, Storheim K, Grotle M, Tveito TH, Indahl A, Eriksen HR (2008)
Evidence-informed management of chronic low back pain with back schools, brief education, and fear-avoidance training
Spine J, 8 (1), 28-39
DOI 10.1016/j.spinee.2007.10.008, PubMed 18164451

Publications 2007

Brox JI, Storheim K, Grotle M, Tveito TH, Indahl A, Eriksen HR (2007)
Systematic review of back schools, brief education, and fear-avoidance training for chronic low back pain
Spine J, 8 (6), 948-58
DOI 10.1016/j.spinee.2007.07.389, PubMed 18024224

Laerum E, Storheim K, Brox JI (2007)
[New clinical guidelines for low back pain]
Tidsskr Nor Laegeforen, 127 (20), 2706
PubMed 17952159

Storheim K, Grotle M (2007)
Combination of exercise and advice was slightly better than placebo for subacute low back pain
Aust J Physiother, 53 (4), 286
DOI 10.1016/S0004-9514(07)70012-0, PubMed 18246633

Publications 2005

Brox JI, Storheim K, Holm I, Friis A, Reikerås O (2005)
Disability, pain, psychological factors and physical performance in healthy controls, patients with sub-acute and chronic low back pain: a case-control study
J Rehabil Med, 37 (2), 95-9
DOI 10.1080/16501970410017738, PubMed 15788344

Storheim K, Brox JI, Holm I, Bø K (2005)
Predictors of return to work in patients sick listed for sub-acute low back pain: a 12-month follow-up study
J Rehabil Med, 37 (6), 365-71
DOI 10.1080/16501970510040344, PubMed 16287668

Publications 2004

Storheim K (2004)
Spinal manipulative therapy for low back pain is effective only when compared to sham or ineffective treatments
Aust. J. Physiother., 50 (2), 115

Storheim K (2004)
Spina manipulative therapy for low back pain is effective only when compared to sham or ineffective treatments
Aust J Physiother, 50 (2), 115
PubMed 15252950

Publications 2003

Holm I, Friis A, Storheim K, Brox JI (2003)
Measuring self-reported functional status and pain in patients with chronic low back pain by postal questionnaires: a reliability study
Spine (Phila Pa 1976), 28 (8), 828-33
DOI 10.1097/00007632-200304150-00017, PubMed 12698128

Storheim K, Brox JI, Holm I, Koller AK, Bø K (2003)
Intensive group training versus cognitive intervention in sub-acute low back pain: short-term results of a single-blind randomized controlled trial
J Rehabil Med, 35 (3), 132-40
DOI 10.1080/16501970310010484, PubMed 12809196

Storheim K, Holm I, Gunderson R, Brox JI, Bø K (2003)
The effect of comprehensive group training on cross-sectional area, density, and strength of paraspinal muscles in patients sick-listed for subacute low back pain
J Spinal Disord Tech, 16 (3), 271-9
DOI 10.1097/00024720-200306000-00008, PubMed 12792342

Publications 2002

Storheim K, Bø K, Pederstad O, Jahnsen R (2002)
Intra-tester reproducibility of pressure biofeedback in measurement of transversus abdominis function
Physiother Res Int, 7 (4), 239-49
PubMed 12528579

Publications 1999

Brox JI, Hagen KB, Juel NG, Storheim K (1999)
[Is exercise therapy and manipulation effective in low back pain?]
Tidsskr Nor Laegeforen, 119 (14), 2042-50
PubMed 10394281

Publications 1997

Bø K, Hilde G, Storheim K (1997)
Intra- and interobserver reproducibility of Cybex EDI 320 measuring spinal mobility
Scand J Med Sci Sports, 7 (3), 140-3
PubMed 9200317