[Infectious abortion in Bang-negative cattle].
D000034:Abortion, Veterinary / Q000209:etiology*; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000209:etiology*; D005260:Female; D007922:Leptospirosis / Q000662:veterinary*; D011247:Pregnancy; D014895:Weil Disease / Q000662:veterinary*
Infektiöser Abortus bei bangnegativen Rindern.