title: Hepatitis-associated antigen in chimpanzees.
mesh_terms: D000818:Animals; D000906:Antibodies / Q000032:analysis*; D003168:Complement Fixation Tests; D006511:Hepatitis B Antigens / Q000032:analysis; D006515:Hepatitis B virus; D006520:Hepatitis, Animal / Q000276:immunology; D006801:Humans; D005779:Immunodiffusion; D002679:Pan troglodytes / Q000276:immunology*
chemical_list: D000906:Antibodies; D006511:Hepatitis B Antigens