title: Epidemiology of multiple sclerosis.
mesh_terms: D000367:Age Factors; D000914:Antibodies, Viral / Q000032:analysis; D005796:Genes; D006801:Humans; D007111:Immunity, Cellular; D008285:Major Histocompatibility Complex; D008459:Measles virus / Q000276:immunology; D009103:Multiple Sclerosis / Q000453:epidemiology* / Q000209:etiology; D044469:Racial Groups; D012737:Sex Factors; D014777:Virus Diseases
chemical_list: D000914:Antibodies, Viral