[Study of the prevalence and incidence of viral hepatitis in collectivities].
D000367:Age Factors; D002675:Child, Preschool; D006506:Hepatitis A / Q000453:epidemiology; D006509:Hepatitis B / Q000453:epidemiology; D006525:Hepatitis, Viral, Human / Q000453:epidemiology*; D006801:Humans; D012383:Romania; D012621:Seasons; D012959:Socioeconomic Factors
Studii de prevalenţă a hepatitelor virale în colectivităţi.