title: [Effectiveness of vaccination against Chlamydia abortion in sheep].
mesh_terms: D000034:Abortion, Veterinary / Q000517:prevention & control*; D000818:Animals; D002690:Chlamydia Infections / Q000517:prevention & control / Q000662:veterinary*; D005260:Female; D011247:Pregnancy; D012756:Sheep; D012757:Sheep Diseases / Q000517:prevention & control*; D014611:Vaccination
vernacular_title: Untersuchungen zur Wirksamkeit der Vakzination gegen den Chlamydienabort des Schafes