[Health and fertility of German black-pied cattle after a difficult twin birth].
D000818:Animals; D002417:Cattle; D005260:Female; D005298:Fertility; D049590:Postpartum Period; D011247:Pregnancy; D011270:Pregnancy, Animal; D014427:Twins
Gesundheit und Fruchtbarkeit von deutschen schwarzbuten Rindern nach erschwerter Zwillingsgeburt.