title: Infection of lambs by orally administered ovine abortion strain of Chlamydia psittaci.
mesh_terms: D000034:Abortion, Veterinary / Q000209:etiology*; D000818:Animals; D002691:Chlamydophila psittaci / Q000302:isolation & purification / Q000472:pathogenicity*; D005260:Female; D011247:Pregnancy; D009956:Psittacosis / Q000473:pathology / Q000662:veterinary*; D012756:Sheep; D012757:Sheep Diseases / Q000382:microbiology* / Q000473:pathology