title: Hepatitis Bs antigenemia--incidence in apparently healthy adult males.
mesh_terms: D000293:Adolescent; D000328:Adult; D006514:Hepatitis B Surface Antigens; D006801:Humans; D008297:Male; D008875:Middle Aged; D010154:Pakistan; D012959:Socioeconomic Factors
chemical_list: D006514:Hepatitis B Surface Antigens