Prevalence of hepatitis B surface antigen among male Saudi Arabians.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012529:Saudi Arabia
D006514:Hepatitis B Surface Antigens