[Sero-epidemiological studies in a focus of viral hepatitis].
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D012383:Romania; D012424:Rural Population
Cercetări seroepidemiologice într-un focar de hepatită virală