title: The structure of hepatitis B surface antigen and its antigenic sites.
mesh_terms: D000939:Epitopes; D006514:Hepatitis B Surface Antigens / Q000235:genetics / Q000276:immunology; D006515:Hepatitis B virus / Q000235:genetics; D008958:Models, Molecular; D011487:Protein Conformation
chemical_list: D000939:Epitopes; D006514:Hepatitis B Surface Antigens