title: [A clinical and epidemiological study of an epidemic of hepatitis A at an institution].
authors.affiliation: Second Department of Internal Medicine, Yamagata University School of Medicine.
authors.forename: H
authors.initials: H
authors.lastname: Shinzawa
authors.forename: T
authors.initials: T
authors.lastname: Takahashi
mesh_terms: D000293:Adolescent; D000328:Adult; D005260:Female; D006506:Hepatitis A / Q000453:epidemiology*; D006801:Humans; D007326:Institutionalization; D007564:Japan / Q000453:epidemiology; D008297:Male; D008875:Middle Aged