title: Retrospective epidemiology in multiple sclerosis and significance of canine morbillivirus in the illness etiology.
mesh_terms: D000818:Animals; D000829:Animals, Domestic; D004216:Distemper / Q000635:transmission*; D004285:Dogs; D006801:Humans; D009103:Multiple Sclerosis / Q000453:epidemiology* / Q000209:etiology; D012189:Retrospective Studies; D012383:Romania; D013997:Time Factors