Grytten, Nina; Myhr, Kjell-Morten; Celius, Elisabeth Gulowsen; Benjaminsen, Espen; Kampman, Margitta; Midgard, Rune; Vatne, Anita; Aarseth, Jan H.; Riise, Trond; Torkildsen, Øivind. Incidence of cancer in multiple sclerosis before and after the treatment era– a registry- based cohort study. (fulltekst) Multiple Sclerosis and Related Disorders 2021; Volum 55:103209. ISSN 2211-0348.s 1 - 7.s doi: 10.1016/j.msard.2021.103209.
Grytten, Nina; Myhr, Kjell-Morten; Celius, Elisabeth Gulowsen; Benjaminsen, Espen; Kampman, Margitta Theodora; Midgard, Rune; Vatne, Anita; Aarseth, Jan Harald; Riise, Trond; Torkildsen, Øivind. Risk of cancer among multiple sclerosis patients, siblings, and population controls: A prospective cohort study. Multiple Sclerosis 2019; Volum 26 (2). ISSN 1352-4585.s 1569 - 1580.s doi: 10.1177/1352458519877244.
Holmøy, Trygve; Røsjø, Egil Rørvik; Zetterberg, Henrik; Blennow, Kaj; Lindstrøm, Jonas Christoffer; Steffensen, Linn Hofsøy; Kampman, Margitta Theodora. Vitamin D supplementation and neurofilament light chain in multiple sclerosis. Acta Neurologica Scandinavica 2018. ISSN 0001-6314.s 1 - 5.s doi: 10.1111/ane.13037.
Røsjø, Egil Rørvik; Lossius, Peter Andreas Vold; Abdelmagid, Nada; Lindstrøm, Jonas Christoffer; Kampman, Margitta Theodora; Jørgensen, Lone; Sundström, Peter; Olsson, Tomas; Steffensen, Linn Hofsøy; Torkildsen, Øivind; Holmøy, Trygve. Effect of high-dose vitamin D3 supplementation on antibody responses against Epstein-Barr virus in relapsing-remitting multiple sclerosis. Multiple Sclerosis 2017; Volum 23 (3). ISSN 1352-4585.s 395 - 402.s doi: 10.1177/1352458516654310.
Holmøy, Trygve; Lindstrøm, Jonas Christoffer; Eriksen, Erik Fink; Steffensen, Linn Hofsøy; Kampman, Margitta Theodora. High dose vitamin D supplementation does not affect biochemical bone markers in multiple sclerosis - a randomized controlled trial. (fulltekst) BMC Neurology 2017; Volum 17:67. ISSN 1471-2377.s 1 - 6.s doi: 10.1186/s12883-017-0851-0.
Bjørnevik, Kjetil Lauvland; Riise, Trond; Bostrom, Inger; Casetta, Ilaria; Cortese, Marianna; Granieri, Enrico; Holmøy, Trygve; Kampman, Margitta Theodora; Landtblom, Anne-Marie; Magalhaes, Sandra; Pugliatti, Maura; Wolfson, Christina; Myhr, Kjell-Morten. Negative interaction between smoking and EBV in the risk of multiple sclerosis: The EnvIMS study. Multiple Sclerosis 2016; Volum 23 (7). ISSN 1352-4585.s 1018 - 1024.s doi: 10.1177/1352458516671028.
Bjørnevik, Kjetil Lauvland; Riise, Trond; Cortese, Marianna; Holmøy, Trygve; Kampman, Margitta Theodora; Magalhaes, Sandra; Myhr, Kjell-Morten; Wolfson, Christina; Pugliatti, Maura. Level of education and multiple sclerosis risk after adjustment for known risk factors: The EnvIMS study. Multiple Sclerosis 2016; Volum 22 (1). ISSN 1352-4585.s 104 - 111.s doi: 10.1177/1352458515579444.
Wesnes, Kristin; Riise, Trond; Casetta, Ilaria; Drulovic, Jelena; Granieri, Enrico; Holmøy, Trygve; Kampman, Margitta Theodora; Landtblom, Anne Marie; Lauer, Klaus; Lossius, Peter Andreas Vold; Magalhaes, Sandra; Pekmezovic, Tatjana; Bjørnevik, Kjetil Lauvland; Wolfson, Christina; Pugliatti, Maura; Myhr, Kjell-Morten. Body size and the risk of multiple sclerosis in Norway and Italy: The EnvIMS study. Multiple Sclerosis 2015; Volum 21 (4). ISSN 1352-4585.s 388 - 395.s doi: 10.1177/1352458514546785.
Magalhaes, Sandra; Pugliatti, Maura; Casetta, Ilaria; Drulovic, Jelena; Granieri, Enrico; Holmøy, Trygve; Kampman, Margitta Theodora; Landtblom, Anne-Marie; Lauer, Klaus; Myhr, Kjell-Morten; Parpinel, Maria; Pekmezovic, Tatjana; Riise, Trond; Wolfson, David; Zhu, Bin; Wolfson, Christina. The EnvIMS study: Design and methodology of an international case-control study of environmental risk factors in multiple sclerosis. Neuroepidemiology 2015; Volum 44 (3). ISSN 0251-5350.s 173 - 181.s doi: 10.1159/000381779.
Cortese, Marianna; Riise, Trond; Bjørnevik, Kjetil Lauvland; Holmøy, Trygve; Kampman, Margitta Theodora; Magalhaes, Sandra; Pugliatti, Maura; Wolfson, Christina; Myhr, Kjell-Morten. Timing of use of cod liver oil, a vitamin D source, and multiple sclerosis risk: The EnvIMS study.. Multiple Sclerosis 2015; Volum 21 (14). ISSN 1352-4585.s 1856 - 1864.s doi: 10.1177/1352458515578770.
Røsjø, Egil Rørvik; Steffensen, Linn Hofsøy; Jørgensen, Lone; Lindstrøm, Jonas Christoffer; Saltyte Benth, Jurate; Michelsen, Annika; Aukrust, Pål; Ueland, Thor; Kampman, Margitta Theodora; Torkildsen, Øivind; Holmøy, Trygve. Vitamin D supplementation and systemic inflammation in relapsing-remitting multiple sclerosis. Journal of Neurology 2015; Volum 262 (12). ISSN 0340-5354.s 2713 - 2721.s doi: 10.1007/s00415-015-7902-5.
Torkildsen, Øivind Fredvik; Aarseth, Jan Harald; Benjaminsen, Espen; Celius, Elisabeth Gulowsen; Holmøy, Trygve; Kampman, Margitta Theodora; Løken-Amsrud, Kristin Ingeleiv; Midgard, Rune; Myhr, Kjell-Morten; Riise, Trond; Grytten, Nina Agnethe. Month of birth and risk of multiple sclerosis: confounding and adjustments. Annals of clinical and translational neurology 2014; Volum 1 (2). ISSN 2328-9503.s 141 - 144.s doi: 10.1002/acn3.37.
Bjørnevik, Kjetil Lauvland; Riise, Trond; Casetta, Ilaria; Drulovic, Jelena; Granieri, Enrico; Holmøy, Trygve; Kampman, Margitta Theodora; Landtblom, Anne-Marie; Lauer, Klaus; Lossius, Peter Andreas Vold; Magalhaes, Sandra; Myhr, Kjell-Morten; Pekmezovic, Tatjana; Wesnes, Kristin; Wolfson, Christina; Pugliatti, Maura. Sun exposure and multiple sclerosis risk in Norway and Italy: The EnvIMS study. Multiple Sclerosis 2014; Volum 20 (8). ISSN 1352-4585.s 1042 - 1049.s doi: 10.1177/1352458513513968.
Lossius, Peter Andreas Vold; Riise, Trond; Pugliatti, Maura; Bjørnevik, Kjetil Lauvland; Casetta, Ilaria; Drulovic, Jelena; Granieri, Enrico; Kampman, Margitta Theodora; Landtblom, Anne Marie; Lauer, Klaus; Magalhaes, Sandra; Myhr, Kjell-Morten; Pekmezovic, Tatjana; Wesnes, Kristin; Wolfson, Christina; Holmøy, Trygve. Season of infectious mononucleosis and risk of multiple sclerosis at different latitudes; the EnvIMS Study. Multiple Sclerosis 2014; Volum 20 (6). ISSN 1352-4585.s 669 - 674.s doi: 10.1177/1352458513505693.
Kampman, Margitta Theodora; Aarseth, Jan Harald; Grytten, Nina Agnethe; Benjaminsen, Espen; Celius, Elisabeth Gulowsen; Dahl, Ole-Petter; Holmøy, Trygve; Løken-Amsrud, Kristin Ingeleiv; Midgard, Rune; Myhr, Kjell-Morten; Risberg, Geir; Vatne, Anita; Torkildsen, Øivind. Sex ratio of multiple sclerosis in persons born from 1930 to 1979 and its relation to latitude in Norway. Journal of Neurology 2013; Volum 260 (6). ISSN 0340-5354.s 1481 - 1488.s doi: 10.1007/s00415-012-6814-x.
Steffensen, Linn Hofsøy; Brustad, Magritt; Kampman, Margitta Theodora. What is needed to keep persons with multiple sclerosis vitamin D-sufficient throughout the year?. Journal of Neurology 2013; Volum 260 (1). ISSN 0340-5354.s 182 - 188.s doi: 10.1007/s00415-012-6611-6.
Grytten, Nina Agnethe; Torkildsen, Øivind; Aarseth, Jan Harald; Benjaminsen, Espen; Celius, Elisabeth Gulowsen; Dahl, Ole-Petter; Holmøy, Trygve; Løken-Amsrud, Kristin Ingeleiv; Midgard, Rune; Myhr, Kjell-Morten; Risberg, Geir; Vatne, Anita; Kampman, Margitta Theodora. Month of birth as a latitude-dependent risk factor for multiple sclerosis in Norway. Multiple Sclerosis 2013; Volum 19 (8). ISSN 1352-4585.s 1028 - 1034.s doi: 10.1177/1352458512471094.
Torkildsen, Øivind; Grytten, Nina Agnethe; Aarseth, Jan Harald; Myhr, Kjell-Morten; Kampman, Margitta Theodora. Month of birth as a risk factor for multiple sclerosis: an update. Acta Neurologica Scandinavica 2012; Volum 126 (195). ISSN 0001-6314.s 58 - 62.s doi: 10.1111/ane.12040.
Maniaol, Angelina; Elsais, Ahmed; Lorentzen, Åslaug Rudjord; Owe, Jone Furulund; Viken, Marte K; Sæther, Hanne Skarpodde; Flåm, Siri Tennebø; Bråthen, Geir; Kampman, Margitta Theodora; Midgard, Rune; Christensen, Marte; Rognerud, Anna Kaja; Kerty, Emilia; Gilhus, Nils Erik; Tallaksen, Chantal; Lie, Benedicte Alexandra; Harbo, Hanne Flinstad. Late onset myasthenia gravis is associated with HLA DRB1*15:01 in the Norwegian population. PLOS ONE 2012; Volum 7 (5). ISSN 1932-6203.s doi: 10.1371/journal.pone.0036603.
Holmøy, Trygve; Kampman, Margitta Theodora; Smolders, Joost. Vitamin D in multiple sclerosis: implications for assessment and treatment. Expert Review of Neurotherapeutics 2012; Volum 12 (9). ISSN 1473-7175.s 1101 - 1112.s doi: 10.1586/ERN.12.99.
Kampman, Margitta Theodora; Steffensen, Linn Hofsøy; Mellgren, Svein Ivar; Jørgensen, Lone. Effect of vitamin D-3 supplementation on relapses, disease progression, and measures of function in persons with multiple sclerosis: exploratory outcomes from a double-blind randomised controlled trial. Multiple Sclerosis 2012; Volum 18 (8). ISSN 1352-4585.s 1144 - 1151.s doi: 10.1177/1352458511434607.
Steffensen, Linn Hofsøy; Jørgensen, Lone; Straume, Bjørn; Mellgren, Svein Ivar; Kampman, Margitta Theodora. Can vitamin D-3 supplementation prevent bone loss in persons with MS? A placebo-controlled trial. Journal of Neurology 2011; Volum 258 (9). ISSN 0340-5354.s 1624 - 1631.s doi: 10.1007/s00415-011-5980-6.
Kampman, Margitta Theodora; Eriksen, Erik Fink; Holmøy, Trygve. Multiple sclerosis, a cause of secondary osteoporosis? What is the evidence and what are the clinical implications?. Acta Neurologica Scandinavica 2011; Volum 124. ISSN 0001-6314.s 44 - 49.s doi: 10.1111/j.1600-0404.2011.01543.x.
Kampman, Margitta Theodora; Steffensen, Linn Hofsøy. The role of vitamin D in multiple sclerosis. Journal of Photochemistry and Photobiology. B: Biology 2010; Volum 101 (2). ISSN 1011-1344.s 137 - 141.s doi: 10.1016/j.jphotobiol.2010.04.003.
Steffensen, Linn Hofsøy; Mellgren, Svein Ivar; Kampman, Margitta Theodora. Predictors and prevalence of low bone mineral density in fully ambulatory persons with multiple sclerosis. Journal of Neurology 2010; Volum 257 (3). ISSN 0340-5354.s 410 - 418.s doi: 10.1007/s00415-009-5337-6.
Steffensen, Linn Hofsøy; Mellgren, Svein Ivar; Kampman, Margitta Theodora. Predictors and prevalence of low bone mineral density in fully ambulatory persons with multiple sclerosis. Journal of Neurology 2009. ISSN 0340-5354.s doi: 10.1007/s00415-009-5337-6.
Kampman, Margitta Theodora. The role of vitamin D in multiple sclerosis - observations from Norway. Novus Forlag 2008 ISBN 9788270994854.s 211 - 215.
Kampman, Margitta Theodora; Brustad, Magritt. Vitamin D: A candidate for the environmental effect in multiple sclerosis - Observations from Norway. Neuroepidemiology 2008; Volum 30. ISSN 0251-5350.s doi: 10.1159/000122330.
Harbo, HF; Utsi, E; Lorentzen, Åslaug Rudjord; Lorentzen, AR; Kampman, Margitta Theodora; Celius, EG; Myhr, KM; Lie, BA; Mellgren, Svein Ivar; Thorsby, E. Low frequency of the disease-associated DRB1*15-DQB1*06 haplotype may contribute to the low prevalence of multiple sclerosis in Sami. Tissue Antigens 2007; Volum 69 (4). ISSN 0001-2815.s 299 - 304.s doi: 10.1111/j.1399-0039.2007.00803.x.
Kampman, Margitta Theodora. Folate status in women of childbearing age with epilepsy. Epilepsy Research 2007; Volum 75. ISSN 0920-1211.s doi: 10.1016/j.eplepsyres.2007.04.003.
Kampman, Margitta Theodora. Folate Status in woman of childbearing age with epilepsy. Epilepsy Research 2007; Volum 75(1). ISSN 0920-1211.s 52 - 56.
Kampman, Margitta Theodora; Wilsgaard, Tom; Mellgren, Svein Ivar. Outdoor activities and diet in childhood and adolescence relate to MS risk above the Arctic Circle. Journal of Neurology 2007; Volum 254. ISSN 0340-5354.s doi: 10.1007/s00415-006-0395-5.
Kampman, Margitta Theodora; Johansen, Stein-Vegar; Stenvold, H; Acharya, Ganesh Prasad. Management of women with epilepsy: Are guidelines being followed? Results from case-note reviews and a patient questionnaire. Epilepsia 2005; Volum 46 (8). ISSN 0013-9580.s 1286 - 1292.
Fladby, Tormod; Kampman, Margitta Theodora; Løseth, S.; Lindal, Sigurd; Mellgren, Svein Ivar. HUMAN LEUKOCYTE ANTIGEN CLASS I IN POLYMYOSITIS: LEUKOCYTE INFILTRATES, REGENERATION, AND IMPULSE BLOCK. Muscle and Nerve 1997; Volum 20 (12). ISSN 0148-639X.s 1534 - 1540.
Nina, Grytten; Benjaminsen, Espen; Celius, Elisabeth Gulowsen; Kampman, Margitta Theodora; Midgard, Rune; Myhr, Kjell-Morten; Riise, Trond; Torkildsen, Øivind; Aarseth, Jan Harald. Cancer risk in multiple sclerosis. Multiple Sclerosis 2017; Volum 23. ISSN 1352-4585.s 486 - 487.
Røsjø, Egil Rørvik; Lossius, Andreass; Abelmagid, Nada; Lindstrøm, Jonas Christoffer; Kampman, Margitta Theodora; Jørgensen, Lone; Sundstrøm, Peter; Olsson, Tomas; Steffensen, Linn Hofsøy; Torkildesen, Øivind; Holmøy, Trygve. Selective and transient effect of vitamin D3 supplementation on antibody responses against Epstein-Barr virus nuclear antigen 1 in relapsing-remitting multiple sclerosis. ECTRIMS 2017-09-14 - 2017-09-17 2017.
Røsjø, Egil Rørvik; Myhr, Kjell-Morten; Kampman, Margitta Theodora; Løken-Amsrud, Kristin Ingeleiv; Steffensen, Linn Hofsøy; Bakke, Søren Jacob; Beiske, Antonie Giæver; Bjerve, Kristian S; Hovdal, Harald Olav; Lilleås, Finn; Midgard, Rune; Pedersen, Tom; Benth, Jūratė Šaltytė; Lindstrøm, Jonas Christoffer; Mellgren, Svein Ivar; Jørgensen, Lone; Torkildsen, Øivind; Wergeland, Stig; Michelsen, Annika; Aukrust, Pål; Ueland, Thor; Holmøy, Trygve. Vitamin D og interferon-behandling ved multippel sklerose. Nevrodagene 2015-03-09 - 2015-03-13 2015.
Bjørnevik, Kjetil Lauvland; Riise, Trond; Kirkeleit, Jorunn; Cortese, Marianna; Holmøy, Trygve; Kampman, Margitta Theodora; Magalhaes, Sandra; Myhr, Kjell-Morten; Wolfson, Christina; Pugliatti, Maura. Level of education and multiple sclerosis risk after adjustment for known risk factors: the EnvIMS study. 2014 Joint ACTRIMS-ECTRIMS Meeting (MSBoston 2014) 2014-09-10 - 2014-09-13 2014.
Torkildsen, Øivind; Aarseth, Jan Harald; Celius, Elisabeth Gulowsen; Holmøy, Trygve; Kampman, Margitta Theodora; Løken-Amsrud, Kristin Ingeleiv; Midgard, Rune; Myhr, Kjell-Morten; Riise, Trond; Grytten, Nina Agnethe. Reply to comment: Month of birth and risk of multiple sclerosis: confounding and adjustments. Annals of clinical and translational neurology 2014; Volum 5 (1). ISSN 2328-9503.s 376 - 377.s doi: 10.1002/acn3.56.
Holmøy, Trygve; Løken-Amsrud, Kristin Ingeleiv; Kampman, Margitta Theodora; Torkildsen, Øivind; Myhr, Kjell-Morten. Re: Vitamin D-how much is enough, and is more better for your Health?. (fulltekst) Tidsskrift for Den norske legeforening 2014; Volum 134 (10). ISSN 0029-2001.s 1024 - 1025.s doi: 10.4045/tidsskr.14.0618.
Kampman, Margitta Theodora; Brox, Nina M Bjæring; Bugge, Einar; Bjørnstad, Camilla Hilda. Generisk ordinering av medikamenter i sykehus. Tidsskrift for Den norske legeforening 2014; Volum 134 (6). ISSN 0029-2001.s 599 - 600.s doi: 10.4045/tidsskr.13.1564.
Bjørnevik, Kjetil Lauvland; Riise, Trond; Wesnes, Kristin; Granieri, Enrico; Casetta, Ilaria; Drulovic, Jelena; Myhr, Kjell-Morten; Lauer, Klaus; Kampman, Margitta Theodora; Magalhaes, Sandra; Pekmezovic, Tatjana; Holmøy, Trygve; Landtblom, Anne-marie; Wolfson, Christina; Pugliatti, Maura. An age at exposure effect between sun exposure and the risk of MS in Norway and Italy. Multiple Sclerosis 2012; Volum 18. ISSN 1352-4585.s s15 - s15.
Wesnes, Kristin; Riise, Trond; Myhr, Kjell-Morten; Magalhaes, Sandra; Wolfson, Christina; Holmøy, Trygve; Casetta, Ilaria; Granieri, Enrico; Drulovic, Jelena; Pekmezovic, Tatjana; Kampman, Margitta Theodora; Landtblom, Anne-Marie; Lauer, Klaus; Pugliatti, Maura. The relationship between body size and the risk of multiple sclerosis. -The EnvIMS study. ECTRIMS 2012-10-10 - 2012-10-13 2012.
Steffensen, Linn Hofsøy; Brustad, Magritt; Skeie, Guri; Jørgensen, Leif; Figenschau, Yngve; Kampman, Margitta Theodora. Vitamin D status in individuals with multiple sclerosis at baseline and after supplementation with 20,000 IU cholecalciferol a week for 48 weeks. Multiple Sclerosis 2009; Volum 15 (9). ISSN 1352-4585.s S141 - S142.
Kampman, Margitta Theodora; Steffensen, LH. Comment on Shuhaibar et al.: Favourable effect of immunomodulator therapy on bone mineral density in multiple sclerosis. Irish Journal of Medical Science 2009; Volum 178 (2). ISSN 0021-1265.s 235 - 236.s doi: 10.1007/s11845-009-0275-y.
Pugliatti, M; Pugliatti, M.; Casetta, I; Cossu, P; De Gennaro, R; Drulovic, J; Granieri, E; Holmøy, T.; Kampman, Margitta Theodora; Landtblom, AM; Lauer, K; Myhr, Kjell-Morten; Pekmezovic, T; Riise, T.; Wolfson, C.; Wolfson, C. International case control study on risk factors for multiple sclerosis (MS): pilot testing the questionnaire. Multiple Sclerosis 2009; Volum 15 (11). ISSN 1352-4585.s 1403 - 1403.
Steffensen, LH; Mellgren, Svein Ivar; Kampman, Margitta Theodora. Bone mineral density, motor function, and vitamin D status in fully ambulatory persons with multiple sclerosis - population-based cross-sectional data. Journal of Neurology 2008; Volum 255. ISSN 0340-5354.s 143 - 143.
Pugliatti, Maura; Casetta, Ilaria; Cossu, Paola; De Gennaro, Riccardo; Drulovic, Jelena; Granieri, Enrico; Holmøy, Trygve; Kampman, Margitta Theodora; Landtblom, Anne-Marie; Lauer, Klaus; Myhr, Kjell-Morten; Pekmezovic, Tatjana; Riise, Trond; Wolfson, Christina. An international case-control study of risk factors for multiple sclerosis. Multiple Sclerosis 2008; Volum 14 (1). ISSN 1352-4585.s S197 - S197.s doi: 10.1177/1352458508096399.
Pugliatti, Maura; Casetta, Ilaria; Cossu, Paola; De Gennaro, Riccardo; Drulovic, Jelena; Granieri, Enrico; Holmøy, Trygve; Kampman, Margitta Theodora; Landtblom, Anne-Marie; Lauer, Klaus; Myhr, Kjell-Morten; Pekmezovic, Tatjana; Riise, Trond; Wolfson, Christina. Acceptability and cross-cultural feasibility of it self-administered questionnaire on past exposure to putative environmental risk factors for multiple sclerosis. Multiple Sclerosis 2008; Volum 14. ISSN 1352-4585.s S196 - S196.s doi: 10.1177/1352458508096399.
Harbo, HF; Utsi, Egil; Kampman, Margitta Theodora; Celius, EG; Myhr, KM; Lie, BA; Mellgren, Svein Ivar; Thorsby, E. Low prevalence of multiple sclerosis and the HLA CR15-DQ6 halotype in Sami. Multiple Sclerosis 2006; Volum 12. ISSN 1352-4585.s 71 - 71.
Kampman, Margitta Theodora; Johansen, SV; Stenvold, Heidi. Care for women with epilepsy: documentation in case notes and patient perspective. Journal of Neurology 2004; Volum 251. ISSN 0340-5354.s 67 - 67.
Kampman, Margitta Theodora; Johansen, SV; Stenvold, Heidi. Women with epilepsy: Are guidelines followed?. Epilepsia 2003; Volum 44. ISSN 0013-9580.s 58 - 58.
