title: Editorial: Multiple sclerosis.
mesh_terms: D000380:Agranulocytosis / Q000209:etiology; D000818:Animals; D006224:Cricetinae; D006168:Guinea Pigs; D006801:Humans; D051379:Mice; D009103:Multiple Sclerosis / Q000209:etiology* / Q000382:microbiology; D009975:Orthomyxoviridae / Q000302:isolation & purification; D051381:Rats; D014777:Virus Diseases