[Outbreaks of epidemic hepatitis in student boarding houses; preliminary report].
D004196:Disease Outbreaks; D058872:Epidemics; D006505:Hepatitis; D006506:Hepatitis A / Q000453:epidemiology*; D006801:Humans; D013334:Students
HEPATITIS, INFECTIOUS/epidemiology
Vspyshka epidemicheskogo gepatita v obshchezhitii studentov; predvaritel'noe soobshchenie.