title: [Clinical observation on 400 cases of epidemic influenza].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007251:Influenza, Human / Q000150:complications / Q000453:epidemiology*; D008875:Middle Aged; D012384:Rome; D012621:Seasons
vernacular_title: Osservazioni cliniche su 400 casi di influenza epidemica.