title: "FALSE POSITIVE" COMPLEMENT FIXATION WITH PSITTACOSIS-TRACHOMA ANTIGENS DUE TO ANTIBODIES IN COMPLEMENT PREPARATIONS.
mesh_terms: D000906:Antibodies; D000941:Antigens; D002689:Chlamydia; D002691:Chlamydophila psittaci; D003168:Complement Fixation Tests; D006801:Humans; D009956:Psittacosis; D014141:Trachoma; D015022:Yugoslavia
chemical_list: D000906:Antibodies; D000941:Antigens
keywords: CHLAMYDIA; COMPLEMENT FIXATION TESTS; MIYAGAWANELLA; YUGOSLAVIA