Publication list - Publika - Scientific publications from Oslo University Hospital

Publications by Johannes Gjerstad

81 publications found

Original articles

Sommen SL, Zhao Z, Segtnan S, Stiansen-Sonerud T, Selvakumar J, Beier Havdal L, Gjerstad J, Wyller VBB, Lund Berven L (2024)
Bulk RNA sequencing for analysis of post COVID-19 condition in adolescents and young adults
J Transl Med, 22 (1), 312
DOI 10.1186/s12967-024-05117-7, PubMed 38532465

Aas M, Andreassen OA, Gjerstad J, Rødevand L, Hjell G, Johansen IT, Lunding SH, Ormerod MBEG, Lagerverg TV, Steen NE, Djurovic S, Akkouh I (2023)
Expression of ANK3 moderates the association between childhood trauma and affective traits in severe mental disorders
Sci Rep, 13 (1), 13845
DOI 10.1038/s41598-023-40310-6, PubMed 37620394

Sannes AC, Christensen JO, Nielsen MB, Gjerstad J (2022)
Stress-induced headache in the general working population is moderated by the NRCAM rs2300043 genotype
Scand J Pain, 23 (2), 326-332
DOI 10.1515/sjpain-2022-0094, PubMed 36181733

Nielsen MB, Hetland J, Harris A, Notelaers G, Gjerstad J, Einarsern SV (2022)
The impact of follower leadership position on transformational leadership as moderator of the association between work-related ambiguity and job satisfaction
Front Psychol, 13, 970887
DOI 10.3389/fpsyg.2022.970887, PubMed 36211922

Olsen MB, Sannes AC, Yang K, Nielsen MB, Einarsen SV, Christensen JO, Pallesen S, Bjørås M, Gjerstad J (2022)
Mapping of pituitary stress-induced gene regulation connects Nrcam to negative emotions
iScience, 25 (9), 104953
DOI 10.1016/j.isci.2022.104953, PubMed 36060062

Lie MU, Pedersen LM, Heuch I, Winsvold B, Gjerstad J, Hasvik E, Nygaard ØP, Grotle M, Matre D, Zwart JA, Nilsen KB (2022)
Low Back Pain With Persistent Radiculopathy; the Clinical Role of Genetic Variants in the Genes SOX5, CCDC26/GSDMC and DCC
Front Genet, 12, 757632
DOI 10.3389/fgene.2021.757632, PubMed 35140737

Sannes AC, Christensen JO, Matre D, Nielsen MB, Gjerstad J (2021)
Patterns of pain complaints and insomnia symptoms are associated with abusive supervision in the Norwegian working population: a latent class analysis
Scand J Pain, 22 (1), 118-124
DOI 10.1515/sjpain-2021-0124, PubMed 34687596

Rajalingam D, Nymoen I, Nyberg H, Nielsen MB, Einarsen SV, Gjerstad J (2021)
Workplace bullying increases the risk of anxiety through a stress-induced β2-adrenergic receptor mechanism: a multisource study employing an animal model, cell culture experiments and human data
Int Arch Occup Environ Health, 94 (8), 1905-1915
DOI 10.1007/s00420-021-01718-7, PubMed 34076732

Nielsen MB, Pallesen S, Einarsen SV, Harris A, Rajalingam D, Gjerstad J (2021)
Associations between exposure to workplace bullying and insomnia: a cross-lagged prospective study of causal directions
Int Arch Occup Environ Health, 94 (5), 1003-1011
DOI 10.1007/s00420-020-01618-2, PubMed 33547968

Christensen JO, Nielsen MB, Sannes AC, Gjerstad J (2021)
Leadership Style, Headache, and Neck Pain: The Moderating Role of the Catechol-O-Methyltransferase (COMT) Genotype
J Occup Environ Med, 63 (2), 151-158
DOI 10.1097/JOM.0000000000002103, PubMed 33298758

Sannes AC, Risøy A, Christensen JO, Nielsen MB, Gjerstad J (2021)
Spinal pain in employees exposed to abusive supervision: Evidence of a sex and CRHR1 CTC haplotype interaction
Mol Pain, 17, 17448069211042123
DOI 10.1177/17448069211042123, PubMed 34617831

Lie MU, Winsvold B, Gjerstad J, Matre D, Pedersen LM, Heuch I, Zwart JA, Nilsen KB (2020)
The association between selected genetic variants and individual differences in experimental pain
Scand J Pain, 21 (1), 163-173
DOI 10.1515/sjpain-2020-0091, PubMed 33108341

Sannes AC, Christensen JO, Nielsen MB, Gjerstad J (2020)
The influence of age, gender and the FKBP5 genotype on subjective health complaints in the Norwegian working population
J Psychosom Res, 139, 110264
DOI 10.1016/j.jpsychores.2020.110264, PubMed 33038818

Rajalingam D, Nymoen I, Jacobsen DP, Eriksen MB, Dissen E, Nielsen MB, Einarsen SV, Gjerstad J (2020)
Repeated social defeat promotes persistent inflammatory changes in splenic myeloid cells; decreased expression of β-arrestin-2 (ARRB2) and increased expression of interleukin-6 (IL-6)
BMC Neurosci, 21 (1), 25
DOI 10.1186/s12868-020-00574-4, PubMed 32471349

Bjorland S, Gjerstad J, Schistad E, Swanson DM, Røe C (2019)
Persistent lumbar radicular and low back pain; impact of genetic variability versus emotional distress
BMC Res Notes, 12 (1), 547
DOI 10.1186/s13104-019-4592-6, PubMed 31455415

Hasvik E, Schjølberg T, Jacobsen DP, Haugen AJ, Grøvle L, Schistad EI, Gjerstad J (2019)
Up-regulation of circulating microRNA-17 is associated with lumbar radicular pain following disc herniation
Arthritis Res Ther, 21 (1), 186
DOI 10.1186/s13075-019-1967-y, PubMed 31409426

Jacobsen DP, Eriksen MB, Rajalingam D, Nymoen I, Nielsen MB, Einarsen S, Gjerstad J (2019)
Exposure to workplace bullying, microRNAs and pain; evidence of a moderating effect of miR-30c rs928508 and miR-223 rs3848900
Stress, 23 (1), 77-86
DOI 10.1080/10253890.2019.1642320, PubMed 31339402

Hasvik E, Haugen AJ, Haukeland-Parker S, Rimehaug SA, Gjerstad J, Grøvle L (2019)
Cross-cultural Adaptation and Validation of the Norwegian Short-form McGill Pain Questionnaire-2 in Low Back-related Leg Pain
Spine (Phila Pa 1976), 44 (13), E774-E781
DOI 10.1097/BRS.0000000000002976, PubMed 31205173

Rajalingam D, Jacobsen DP, Nielsen MB, Einarsen SV, Gjerstad J (2019)
Exposure to Workplace Bullying, Distress, and Insomnia: The Moderating Role of the miR-146a Genotype
Front Psychol, 10, 1204
DOI 10.3389/fpsyg.2019.01204, PubMed 31178808

Pallesen S, Jacobsen DP, Nielsen MB, Gjerstad J (2019)
The 5-HTTLPR rs25531 L_AL_A-genotype increases the risk of insomnia symptoms among shift workers
Sleep Med, 60, 224-229
DOI 10.1016/j.sleep.2019.04.009, PubMed 31213395

Nielsen MB, Skogstad A, Gjerstad J, Einarsen SV (2019)
Are transformational and laissez-faire leadership related to state anxiety among subordinates? A two-wave prospective study of forward and reverse associations
Work Stress, 33 (2), 137-155
DOI 10.1080/02678373.2018.1528307

Kongstorp M, Schjølberg T, Jacobsen DP, Haugen F, Gjerstad J (2019)
Epiregulin is released from intervertebral disks and induces spontaneous activity in pain pathways
Pain Rep, 4 (2), e718
DOI 10.1097/PR9.0000000000000718, PubMed 31041419

Andreassen CS, Nielsen MB, Pallesen S, Gjerstad J (2019)
The Relationship Between Psychosocial Work Variables and Workaholism: Findings From a Nationally Representative Survey
Int. J. Stress Manage., 26 (1), 1-10
DOI 10.1037/str0000073

Reknes I, Einarsen SV, Gjerstad J, Nielsen MB (2019)
Dispositional Affect as a Moderator in the Relationship Between Role Conflict and Exposure to Bullying Behaviors
Front Psychol, 10, 44
DOI 10.3389/fpsyg.2019.00044, PubMed 30740075

Aslaksen PM, Forsberg JT, Gjerstad J (2018)
The opioid receptor mu 1 (OPRM1) rs1799971 and catechol-O-methyltransferase (COMT) rs4680 as genetic markers for placebo analgesia
Pain, 159 (12), 2585-2592
DOI 10.1097/j.pain.0000000000001370, PubMed 30130297

Nguyen CB, Kumar S, Zucknick M, Kristensen VN, Gjerstad J, Nilsen H, Wyller VB (2018)
Associations between clinical symptoms, plasma norepinephrine and deregulated immune gene networks in subgroups of adolescent with Chronic Fatigue Syndrome
Brain Behav Immun, 76, 82-96
DOI 10.1016/j.bbi.2018.11.008, PubMed 30419269

Schistad EI, Bjorland S, Røe C, Gjerstad J, Vetti N, Myhre K, Espeland A (2018)
Five-year development of lumbar disc degeneration-a prospective study
Skeletal Radiol, 48 (6), 871-879
DOI 10.1007/s00256-018-3062-x, PubMed 30255192

Nielsen MB, Gjerstad J, Frone M (2018)
Alcohol use among Norwegian workers: associations with health and well-being
Occup Med (Lond), 68 (2), 96-98
DOI 10.1093/occmed/kqy014, PubMed 29415248

Hasvik E, Haugen AJ, Gjerstad J, Grøvle L (2018)
Assessing neuropathic pain in patients with low back-related leg pain: Comparing the painDETECT Questionnaire with the 2016 NeuPSIG grading system
Eur J Pain, 22 (6), 1160-1169
DOI 10.1002/ejp.1204, PubMed 29436056

Glambek M, Nielsen MB, Gjerstad J, Einarsen S (2018)
Gender differences in the relationship between workplace bullying and subjective back and neck pain: A two-wave study in a Norwegian probability sample
J Psychosom Res, 106, 73-75
DOI 10.1016/j.jpsychores.2018.01.010, PubMed 29455903

Mahmood AK, Moen A, Stafne SN, Robinson HS, Vøllestad NK, Salvesen KÅ, Mørkved S, Gjerstad J (2018)
The MMP9 rs17576 A>G polymorphism is associated with increased lumbopelvic pain-intensity in pregnant women
Scand J Pain, 18 (1), 93-98
DOI 10.1515/sjpain-2017-0168, PubMed 29794283

Jacobsen DP, Nielsen MB, Einarsen S, Gjerstad J (2018)
Negative social acts and pain: evidence of a workplace bullying and 5-HTT genotype interaction
Scand J Work Environ Health, 44 (3), 283-290
DOI 10.5271/sjweh.3704, PubMed 29313869

Forsberg JT, Gjerstad J, Flaten MA, Aslaksen PM (2018)
Influence of catechol-O-methyltransferase Val158Met on fear of pain and placebo analgesia
Pain, 159 (1), 168-174
DOI 10.1097/j.pain.0000000000001081, PubMed 28968343

Nielsen MB, Gjerstad J, Jacobsen DP, Einarsen SV (2017)
Does Ability to Defend Moderate the Association between Exposure to Bullying and Symptoms of Anxiety?
Front Psychol, 8, 1953
DOI 10.3389/fpsyg.2017.01953, PubMed 29163321

Nielsen MB, Gjerstad J, Frone MR (2017)
Alcohol Use and Psychosocial Stressors in the Norwegian Workforce
Subst Use Misuse, 53 (4), 574-584
DOI 10.1080/10826084.2017.1349797, PubMed 28910176

Bjorland S, Røe C, Moen A, Schistad E, Mahmood A, Gjerstad J (2017)
Genetic predictors of recovery in low back and lumbar radicular pain
Pain, 158 (8), 1456-1460
DOI 10.1097/j.pain.0000000000000934, PubMed 28471875

Moen GH, Moen A, Schistad EI, Gjerstad J (2017)
Local up-regulation of interferon-γ (IFN-γ) following disc herniation is involved in the inflammatory response underlying acute lumbar radicular pain
Cytokine, 97, 181-186
DOI 10.1016/j.cyto.2017.06.005, PubMed 28651128

Moen A, Jacobsen D, Phuyal S, Legfeldt A, Haugen F, Røe C, Gjerstad J (2017)
MicroRNA-223 demonstrated experimentally in exosome-like vesicles is associated with decreased risk of persistent pain after lumbar disc herniation
J Transl Med, 15 (1), 89
DOI 10.1186/s12967-017-1194-8, PubMed 28460630

Bjorland S, Moen A, Schistad E, Gjerstad J, Røe C (2016)
Genes associated with persistent lumbar radicular pain; a systematic review
BMC Musculoskelet Disord, 17 (1), 500
DOI 10.1186/s12891-016-1356-5, PubMed 27964712

Eikemo M, Løseth GE, Johnstone T, Gjerstad J, Willoch F, Leknes S (2016)
Sweet taste pleasantness is modulated by morphine and naltrexone
Psychopharmacology (Berl), 233 (21-22), 3711-3723
DOI 10.1007/s00213-016-4403-x, PubMed 27538675

Hall KT, Kossowsky J, Oberlander TF, Kaptchuk TJ, Saul JP, Wyller VB, Fagermoen E, Sulheim D, Gjerstad J, Winger A, Mukamal KJ (2016)
Genetic variation in catechol-O-methyltransferase modifies effects of clonidine treatment in chronic fatigue syndrome
Pharmacogenomics J, 16 (5), 454-60
DOI 10.1038/tpj.2016.53, PubMed 27457818

Moen A, Lind AL, Thulin M, Kamali-Moghaddam M, Røe C, Gjerstad J, Gordh T (2016)
Inflammatory Serum Protein Profiling of Patients with Lumbar Radicular Pain One Year after Disc Herniation
Int J Inflam, 2016, 3874964
DOI 10.1155/2016/3874964, PubMed 27293953

Jacobsen DP, Moen A, Haugen F, Gjerstad J (2016)
Hyperexcitability in Spinal WDR Neurons following Experimental Disc Herniation Is Associated with Upregulation of Fractalkine and Its Receptor in Nucleus Pulposus and the Dorsal Root Ganglion
Int J Inflam, 2016, 6519408
DOI 10.1155/2016/6519408, PubMed 28116212

Meyer B, Nguyen CB, Moen A, Fagermoen E, Sulheim D, Nilsen H, Wyller VB, Gjerstad J (2015)
Maintenance of Chronic Fatigue Syndrome (CFS) in Young CFS Patients Is Associated with the 5-HTTLPR and SNP rs25531 A > G Genotype
PLoS One, 10 (10), e0140883
DOI 10.1371/journal.pone.0140883, PubMed 26473596

Fagermoen E, Sulheim D, Winger A, Andersen AM, Gjerstad J, Godang K, Rowe PC, Saul JP, Skovlund E, Wyller VB (2015)
Effects of low-dose clonidine on cardiovascular and autonomic variables in adolescents with chronic fatigue: a randomized controlled trial
BMC Pediatr, 15, 117
DOI 10.1186/s12887-015-0428-2, PubMed 26357864

Pedersen LM, Schistad E, Jacobsen LM, Røe C, Gjerstad J (2015)
Serum levels of the pro-inflammatory interleukins 6 (IL-6) and -8 (IL-8) in patients with lumbar radicular pain due to disc herniation: A 12-month prospective study
Brain Behav Immun, 46, 132-6
DOI 10.1016/j.bbi.2015.01.008, PubMed 25653193

Schistad EI, Jacobsen LM, Røe C, Gjerstad J (2014)
The interleukin-1α gene C>T polymorphism rs1800587 is associated with increased pain intensity and decreased pressure pain thresholds in patients with lumbar radicular pain
Clin J Pain, 30 (10), 869-74
DOI 10.1097/AJP.0000000000000048, PubMed 24300227

Moen A, Schistad EI, Rygh LJ, Røe C, Gjerstad J (2014)
Role of IL1A rs1800587, IL1B rs1143627 and IL1RN rs2234677 genotype regarding development of chronic lumbar radicular pain; a prospective one-year study
PLoS One, 9 (9), e107301
DOI 10.1371/journal.pone.0107301, PubMed 25207923

Schistad EI, Espeland A, Rygh LJ, Røe C, Gjerstad J (2014)
The association between Modic changes and pain during 1-year follow-up in patients with lumbar radicular pain
Skeletal Radiol, 43 (9), 1271-9
DOI 10.1007/s00256-014-1928-0, PubMed 24965739

Hasvik E, Iordanova Schistad E, Grøvle L, Julsrud Haugen A, Røe C, Gjerstad J (2014)
Subjective health complaints in patients with lumbar radicular pain and disc herniation are associated with a sex - OPRM1 A118G polymorphism interaction: a prospective 1-year observational study
BMC Musculoskelet Disord, 15, 161
DOI 10.1186/1471-2474-15-161, PubMed 24884878

Schistad EI, Espeland A, Pedersen LM, Sandvik L, Gjerstad J, Røe C (2014)
Association between baseline IL-6 and 1-year recovery in lumbar radicular pain
Eur J Pain, 18 (10), 1394-401
DOI 10.1002/j.1532-2149.2014.502.x, PubMed 24692238

Jacobsen LM, Schistad EI, Storesund A, Pedersen LM, Espeland A, Rygh LJ, Røe C, Gjerstad J (2013)
The MMP1 rs1799750 2G allele is associated with increased low back pain, sciatica, and disability after lumbar disk herniation
Clin J Pain, 29 (11), 967-71
DOI 10.1097/AJP.0b013e31827df7fd, PubMed 23370084

Egeland NG, Moen A, Pedersen LM, Brisby H, Gjerstad J (2013)
Spinal nociceptive hyperexcitability induced by experimental disc herniation is associated with enhanced local expression of Csf1 and FasL
Pain, 154 (9), 1743-1748
DOI 10.1016/j.pain.2013.05.034, PubMed 23711477

Dominguez CA, Kalliomäki M, Gunnarsson U, Moen A, Sandblom G, Kockum I, Lavant E, Olsson T, Nyberg F, Rygh LJ, Røe C, Gjerstad J, Gordh T, Piehl F (2012)
The DQB1 *03:02 HLA haplotype is associated with increased risk of chronic pain after inguinal hernia surgery and lumbar disc herniation
Pain, 154 (3), 427-433
DOI 10.1016/j.pain.2012.12.003, PubMed 23318129

Matre D, Olsen MB, Jacobsen LM, Klein T, Gjerstad J (2012)
Induction of the perceptual correlate of human long-term potentiation (LTP) is associated with the 5-HTT genotype
Brain Res, 1491, 54-9
DOI 10.1016/j.brainres.2012.10.045, PubMed 23123704

Olsen MB, Jacobsen LM, Schistad EI, Pedersen LM, Rygh LJ, Røe C, Gjerstad J (2012)
Pain intensity the first year after lumbar disc herniation is associated with the A118G polymorphism in the opioid receptor mu 1 gene: evidence of a sex and genotype interaction
J Neurosci, 32 (29), 9831-4
DOI 10.1523/JNEUROSCI.1742-12.2012, PubMed 22815498

Jacobsen LM, Schistad EI, Storesund A, Pedersen LM, Rygh LJ, Røe C, Gjerstad J (2012)
The COMT rs4680 Met allele contributes to long-lasting low back pain, sciatica and disability after lumbar disc herniation
Eur J Pain, 16 (7), 1064-9
DOI 10.1002/j.1532-2149.2011.00102.x, PubMed 22337560

Eriksen GS, Jacobsen LM, Mahmood A, Pedersen LM, Gjerstad J (2011)
Inhibition of fatty acid amide hydrolase (FAAH) reduces spinal nociceptive responses and expression of spinal long-term potentiation (LTP)
Brain Res Bull, 87 (2-3), 234-7
DOI 10.1016/j.brainresbull.2011.11.009, PubMed 22133920

Sommerfeldt L, Portilla H, Jacobsen L, Gjerstad J, Wyller VB (2010)
Polymorphisms of adrenergic cardiovascular control genes are associated with adolescent chronic fatigue syndrome
Acta Paediatr, 100 (2), 293-8
DOI 10.1111/j.1651-2227.2010.02072.x, PubMed 21059181

Hjornevik T, Schoultz BW, Marton J, Gjerstad J, Drzezga A, Henriksen G, Willoch F (2010)
Spinal long-term potentiation is associated with reduced opioid neurotransmission in the rat brain
Clin Physiol Funct Imaging, 30 (4), 285-93
DOI 10.1111/j.1475-097X.2010.00939.x, PubMed 20662879

Jacobsen LM, Eriksen GS, Pedersen LM, Gjerstad J (2010)
Catechol-O-methyltransferase (COMT) inhibition reduces spinal nociceptive activity
Neurosci Lett, 473 (3), 212-5
DOI 10.1016/j.neulet.2010.02.049, PubMed 20219633

Pedersen LM, Jacobsen LM, Mollerup S, Gjerstad J (2009)
Spinal cord long-term potentiation (LTP) is associated with increased dorsal horn gene expression of IL-1beta, GDNF and iNOS
Eur J Pain, 14 (3), 255-60
DOI 10.1016/j.ejpain.2009.05.016, PubMed 19596210

Hjornevik T, Jacobsen LM, Qu H, Bjaalie JG, Gjerstad J, Willoch F (2008)
Metabolic plasticity in the supraspinal pain modulating circuitry after noxious stimulus-induced spinal cord LTP
Pain, 140 (3), 456-464
DOI 10.1016/j.pain.2008.09.029, PubMed 19004552

Pedersen LM, Gjerstad J (2007)
Spinal cord long-term potentiation is attenuated by the NMDA-2B receptor antagonist Ro 25-6981
Acta Physiol (Oxf), 192 (3), 421-7
DOI 10.1111/j.1748-1716.2007.01756.x, PubMed 17970830

Gjerstad J (2007)
Genetic susceptibility and development of chronic non-malignant back pain
Rev Neurosci, 18 (1), 83-91
DOI 10.1515/revneuro.2007.18.1.83, PubMed 17405452

Gjerstad J, Lien GF, Pedersen LM, Valen EC, Mollerup S (2005)
Changes in gene expression of Zif, c-fos and cyclooxygenase-2 associated with spinal long-term potentiation
Neuroreport, 16 (13), 1477-81
DOI 10.1097/01.wnr.0000177004.19946.12, PubMed 16110275

Pedersen LM, Lien GF, Bollerud I, Gjerstad J (2005)
Induction of long-term potentiation in single nociceptive dorsal horn neurons is blocked by the CaMKII inhibitor AIP
Brain Res, 1041 (1), 66-71
DOI 10.1016/j.brainres.2005.02.004, PubMed 15804501

Gjerstad J, Valen EC, Trotier D, Døving K (2003)
Photolysis of caged inositol 1,4,5-trisphosphate induces action potentials in frog vomeronasal microvillar receptor neurones
Neuroscience, 119 (1), 193-200
DOI 10.1016/s0306-4522(03)00115-5, PubMed 12763080

Afrah AW, Fiskå A, Gjerstad J, Gustafsson H, Tjølsen A, Olgart L, Stiller CO, Hole K, Brodin E (2002)
Spinal substance P release in vivo during the induction of long-term potentiation in dorsal horn neurons
Pain, 96 (1-2), 49-55
DOI 10.1016/s0304-3959(01)00414-6, PubMed 11932060

Gjerstad J, Tjølsen A, Hole K (2001)
Induction of long-term potentiation of single wide dynamic range neurones in the dorsal horn is inhibited by descending pathways
Pain, 91 (3), 263-268
DOI 10.1016/S0304-3959(00)00448-6, PubMed 11275383

Gjerstad J, Tjølsen A, Svendsen F, Hole K (2000)
Inhibition of spinal nociceptive responses after intramuscular injection of capsaicin involves activation of noradrenergic and opioid systems
Brain Res, 859 (1), 132-6
DOI 10.1016/s0006-8993(00)01970-3, PubMed 10720622

Svendsen F, Rygh LJ, Gjerstad J, Fiskå A, Hole K, Tjølsen A (1999)
Recording of long-term potentiation in single dorsal horn neurons in vivo in the rat
Brain Res Brain Res Protoc, 4 (2), 165-72
DOI 10.1016/s1385-299x(99)00018-5, PubMed 10446411

Gjerstad J, Tjølsen A, Svendsen F, Hole K (1999)
Inhibition of evoked C-fibre responses in the dorsal horn after contralateral intramuscular injection of capsaicin involves activation of descending pathways
Pain, 80 (1-2), 413-8
DOI 10.1016/s0304-3959(98)00235-8, PubMed 10204756

Svendsen F, Tjølsen A, Gjerstad J, Hole K (1999)
Long term potentiation of single WDR neurons in spinalized rats
Brain Res, 816 (2), 487-92
DOI 10.1016/s0006-8993(98)01250-5, PubMed 9878873

Gjerstad J, Tjølsen A, Hole K (1997)
A dual effect of 5-HT1B receptor stimulation on nociceptive dorsal horn neurones in rats
Eur J Pharmacol, 335 (2-3), 127-32
DOI 10.1016/s0014-2999(97)01183-7, PubMed 9369364

Gjerstad J, Tjolsen A, Hole K (1996)
The effect of 5-HT1A receptor stimulation on nociceptive dorsal horn neurones in rats
Eur J Pharmacol, 318 (2-3), 315-21
DOI 10.1016/s0014-2999(96)00819-9, PubMed 9016920

GJERSTAD J, AASEN SE, ANDERSSON HI, BREVIK I, LOVSETH J (1995)
AN ANALYSIS OF LOW-FREQUENCY MARITIME ATMOSPHERIC-TURBULENCE
J. Atmos. Sci., 52 (15), 2663-2669
DOI 10.1175/1520-0469(1995)052<2663:AAOLFM>2.0.CO;2

Review articles

Nielsen MB, Magerøy N, Gjerstad J, Einarsen S (2014)
Workplace bullying and subsequent health problems
Tidsskr Nor Laegeforen, 134 (12-13), 1233-8
DOI 10.4045/tidsskr.13.0880, PubMed 24989201

Iordanova E, Røe C, Keller A, Skouen JS, Rygh LJ, Espeland A, Gjerstad J (2010)
[Long-lasting low back pain and MRI changes in the intervertebral discs]
Tidsskr Nor Laegeforen, 130 (22), 2260-3
DOI 10.4045/tidsskr.09.0122, PubMed 21109850