title: Hepatitis B virus and alphafetoprotein in liver diseases in Singapore.
mesh_terms: D006512:Hepatitis B Core Antigens / Q000032:analysis*; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans; D008107:Liver Diseases / Q000097:blood / Q000276:immunology*; D012846:Singapore; D000509:alpha-Fetoproteins / Q000032:analysis*
chemical_list: D006512:Hepatitis B Core Antigens; D006514:Hepatitis B Surface Antigens; D000509:alpha-Fetoproteins