Large scale serological detection in Belgium of enzootic bovine leukosis.
D000818:Animals; D001530:Belgium; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology*; D005779:Immunodiffusion; D007938:Leukemia / Q000453:epidemiology / Q000662:veterinary*; D001909:Leukemia Virus, Bovine