title: [Epidemiological aspects of viral hepatitis in the last decade].
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005260:Female; D006506:Hepatitis A / Q000453:epidemiology* / Q000401:mortality; D006509:Hepatitis B / Q000453:epidemiology* / Q000401:mortality; D006801:Humans; D008297:Male; D011044:Poland; D012621:Seasons
vernacular_title: Sytuacja epidemiologiczna wirusowego zapalenia watroby w ostatnim dziesiecioleciu.