Investigations on the risk of transmitting viral hepatitis by transfusions.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D003428:Cross Infection; D006506:Hepatitis A / Q000453:epidemiology / Q000209:etiology*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008875:Middle Aged; D012383:Romania; D065227:Transfusion Reaction