title: [ISOLATION OF AN AGENT OF THE PSITTACOSIS-ORNITHOSIS GROUP FROM CALVES WITH PNEUMONIA].
mesh_terms: D000818:Animals; D002031:Bulgaria; D002417:Cattle; D002418:Cattle Diseases; D002642:Chick Embryo; D002689:Chlamydia; D002691:Chlamydophila psittaci; D003168:Complement Fixation Tests; D051379:Mice; D011014:Pneumonia; D011022:Pneumonia, Rickettsial; D009956:Psittacosis; D012106:Research
keywords: BULGARIA; CATTLE DISEASES; CHICK EMBRYO; COMPLEMENT FIXATION TESTS; EXPERIMENTAL LAB STUDY; MICE; MIYAGAWANELLA; PNEUMONIA, RICKETTSIAL
vernacular_title: ISOLIERUNG EINES AGENS DER PSITTAKOSE-ORNITHOSE-GRUPPE VON PNEUMONIEKRANKEN KAELBERN.