title: Hepatitis-associated antigen in human bile.
mesh_terms: D001646:Bile / Q000276:immunology*; D004386:Duodenum / Q000276:immunology; D005704:Gallbladder / Q000276:immunology; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans
chemical_list: D006514:Hepatitis B Surface Antigens