title: Respiratory tract chlamydial infection and importation of psittacine birds.
mesh_terms: D000818:Animals; D002690:Chlamydia Infections / Q000635:transmission*; D006801:Humans; D011563:Psittaciformes; D009956:Psittacosis / Q000635:transmission*; D012141:Respiratory Tract Infections / Q000635:transmission*; D015047:Zoonoses