title: New advances in the study of rickettsial antigens.
mesh_terms: D000941:Antigens; D003381:Coxiella / Q000145:classification / Q000276:immunology*; D012281:Rickettsia / Q000145:classification / Q000276:immunology*; D012283:Rickettsia prowazekii / Q000276:immunology
chemical_list: D000941:Antigens