[Two cases of acute cerebellar ataxia associated with influenza B virus infection].
D000208:Acute Disease; D000293:Adolescent; D002524:Cerebellar Ataxia / Q000209:etiology*; D005260:Female; D006801:Humans; D007251:Influenza, Human / Q000150:complications*; D008297:Male; D008875:Middle Aged