title: [Immunological studies of rickettsia. Complement fixation test using ether treated antigens of Rickettsia orientalis].
mesh_terms: D000818:Animals; D000941:Antigens; D003168:Complement Fixation Tests; D004987:Ethers; D007106:Immune Sera; D008722:Methods; D051379:Mice; D012281:Rickettsia / Q000276:immunology*; D012282:Rickettsia Infections / Q000276:immunology*
chemical_list: D000941:Antigens; D004987:Ethers; D007106:Immune Sera