Variations among complement fixation antigens prepared from the 6BC ornithosis agent or from Herellea-like bacteria.
D000150:Acinetobacter / Q000276:immunology*; D000372:Agglutination Tests; D000818:Animals; D000941:Antigens; D002689:Chlamydia / Q000276:immunology*; D003168:Complement Fixation Tests; D006168:Guinea Pigs; D006801:Humans; D011200:Poultry; D011201:Poultry Diseases / Q000175:diagnosis; D009956:Psittacosis / Q000662:veterinary; D011817:Rabbits
D000941:Antigens