Bovine leukaemia virus infection in Peru.
D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology*; D002980:Climate; D005260:Female; D005779:Immunodiffusion / Q000662:veterinary; D007938:Leukemia / Q000453:epidemiology / Q000662:veterinary*; D001909:Leukemia Virus, Bovine / Q000276:immunology; D008297:Male; D010568:Peru
D000914:Antibodies, Viral