Clinical studies on the incidence of serum hepatitis.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001803:Blood Transfusion; D002648:Child; D002675:Child, Preschool; D005260:Female; D006509:Hepatitis B / Q000453:epidemiology* / Q000517:prevention & control; D006801:Humans; D008297:Male; D008875:Middle Aged; D012737:Sex Factors; D013256:Steroids / Q000627:therapeutic use
D013256:Steroids