title: Letter: Multiple sclerosis: a fever blister on the brain?
mesh_terms: D000917:Antibody Formation; D001369:Axons / Q000382:microbiology; D006560:Herpes Labialis / Q000276:immunology / Q000382:microbiology; D006566:Herpesviridae Infections / Q000276:immunology / Q000382:microbiology; D006801:Humans; D007111:Immunity, Cellular; D009103:Multiple Sclerosis / Q000209:etiology* / Q000276:immunology / Q000382:microbiology; D009457:Neuroglia / Q000382:microbiology