Morphology of the natural infection in lambs with the virus of lamb abortion.
D000818:Animals; D002689:Chlamydia / Q000302:isolation & purification*; D005260:Female; D066298:In Vitro Techniques; D012157:Mononuclear Phagocyte System / Q000473:pathology*; D011247:Pregnancy; D012756:Sheep; D012757:Sheep Diseases / Q000473:pathology*