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