title: [The changed profile of sporadic acute hepatitis A in Japan].
authors.affiliation: Department of Infectious Diseases, Tokyo Metropolitan Ebara General Hospital.
authors.forename: T
authors.initials: T
authors.lastname: Tsunoda
mesh_terms: D000208:Acute Disease; D000328:Adult; D006506:Hepatitis A / Q000453:epidemiology / Q000635:transmission; D006801:Humans; D007564:Japan / Q000453:epidemiology; D008297:Male