title: Prevalence of Chlamydia psittaci in imported psittacine birds from 1981 to 1983.
mesh_terms: D000818:Animals; D000829:Animals, Domestic / Q000382:microbiology*; D001715:Bird Diseases / Q000382:microbiology*; D002691:Chlamydophila psittaci / Q000302:isolation & purification*; D007564:Japan; D011563:Psittaciformes / Q000382:microbiology*; D009956:Psittacosis / Q000382:microbiology / Q000662:veterinary*