title: HLA and Chinese HBsAg carriers.
mesh_terms: D000293:Adolescent; D000328:Adult; D044466:Asian People; D006580:Genetic Carrier Screening; D006680:HLA Antigens / Q000235:genetics*; D006514:Hepatitis B Surface Antigens / Q000235:genetics*; D006801:Humans; D008297:Male; D012846:Singapore
chemical_list: D006680:HLA Antigens; D006514:Hepatitis B Surface Antigens