Genetical factors in the aetiology of multiple sclerosis.
D000367:Age Factors; D001722:Birth Order; D005260:Female; D005843:Geography; D006801:Humans; D008052:Lipid Metabolism, Inborn Errors / Q000150:complications; D008954:Models, Biological; D009103:Multiple Sclerosis / Q000453:epidemiology / Q000209:etiology / Q000235:genetics* / Q000276:immunology / Q000382:microbiology / Q000401:mortality; D011247:Pregnancy; D014427:Twins