title: [Epidemiologic situation of hepatitis B in Poland 1979-1984].
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D006509:Hepatitis B / Q000453:epidemiology*; D006801:Humans; D007223:Infant; D008875:Middle Aged; D011044:Poland; D012424:Rural Population; D012737:Sex Factors; D014505:Urban Population
vernacular_title: Sytuacja epidemiologiczna wirusowego zapalenia watroby typu B w Polsce w latach 1979-1984.