[On the problem of bovine leukosis].
D000818:Animals; D001354:Avian Leukosis Virus / Q000472:pathogenicity; D002417:Cattle; D002418:Cattle Diseases / Q000209:etiology*; D007938:Leukemia / Q000209:etiology / Q000662:veterinary*; D009052:Leukemia Virus, Murine / Q000472:pathogenicity; D051379:Mice; D011201:Poultry Diseases
Zur Problematik der Rinderleukose.