[Progress in bovine leukosis control in the Federal Republic of Germany].
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000517:prevention & control*; D005860:Germany, West; D007938:Leukemia / Q000517:prevention & control / Q000662:veterinary*
Fortschritte in der Bekämpfung der Leukose des Rindes in der Bundesrepublik Deutschland