Viral hepatitis markers in Soviet and American blood donors.
D000328:Adult; D001782:Blood Donors; D005260:Female; D006512:Hepatitis B Core Antigens; D006514:Hepatitis B Surface Antigens; D006515:Hepatitis B virus; D006525:Hepatitis, Viral, Human; D006507:Hepatovirus; D006801:Humans; D008297:Male; D008875:Middle Aged; D014586:USSR; D014481:United States
D006512:Hepatitis B Core Antigens; D006514:Hepatitis B Surface Antigens