title: Hepatitis BS antigenemia--role in the epidemiology of liver disease.
mesh_terms: D000293:Adolescent; D000328:Adult; D002353:Carrier State / Q000276:immunology*; D006509:Hepatitis B / Q000276:immunology*; D006514:Hepatitis B Surface Antigens; D006801:Humans; D008297:Male
chemical_list: D006514:Hepatitis B Surface Antigens