title: Autoimmune disease in patients with multiple sclerosis and their first-degree relatives: a nationwide cohort study in Denmark.
authors.forename: S V
authors.initials: SV
authors.lastname: Ramagopalan
authors.forename: D A
authors.initials: DA
authors.lastname: Dyment
authors.forename: G C
authors.initials: GC
authors.lastname: Ebers
mesh_terms: D001327:Autoimmune Diseases / Q000453:epidemiology* / Q000235:genetics*; D015331:Cohort Studies; D003718:Denmark / Q000453:epidemiology; D005192:Family Health; D006801:Humans; D009103:Multiple Sclerosis / Q000453:epidemiology* / Q000235:genetics*; D012307:Risk Factors