title: Co-occurrence of hepatitis Bs-antigen and heterotypic anti-HBs in the same serum.
mesh_terms: D000328:Adult; D000914:Antibodies, Viral / Q000097:blood*; D006509:Hepatitis B / Q000097:blood* / Q000276:immunology; D006510:Hepatitis B Antibodies / Q000097:blood*; D006514:Hepatitis B Surface Antigens / Q000097:blood*; D006515:Hepatitis B virus / Q000276:immunology; D006801:Humans; D008297:Male
chemical_list: D000914:Antibodies, Viral; D006510:Hepatitis B Antibodies; D006514:Hepatitis B Surface Antigens