title: Letter: Multiple sclerosis and measles.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D006801:Humans; D007153:Immunologic Deficiency Syndromes / Q000150:complications; D008457:Measles / Q000150:complications*; D008459:Measles virus / Q000276:immunology; D009103:Multiple Sclerosis / Q000209:etiology* / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology