RT Journal Article SR Electronic T1 Risk of multiple sclerosis during tumour necrosis factor inhibitor treatment for arthritis: a population-based study from DANBIO and the Danish Multiple Sclerosis Registry JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 785 OP 786 DO 10.1136/annrheumdis-2015-208490 VO 75 IS 4 A1 L Dreyer A1 M Magyari A1 B Laursen A1 R Cordtz A1 F Sellebjerg A1 H Locht YR 2016 UL http://ard.bmj.com/content/75/4/785.abstract AB