[The occurrence of the tumorons form of enzoctic bovine leukosis in Lower Saxony].
D000367:Age Factors; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology*; D005860:Germany, West; D007938:Leukemia / Q000097:blood / Q000453:epidemiology / Q000662:veterinary*; D008218:Lymphocytosis / Q000662:veterinary
Erhebungen zum Vorkommen der tumorösen Form der enzootischen Rinderleukose im Lande Niedersachsen.