Bovine RNA tumor viruses.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology / Q000382:microbiology; D001909:Leukemia Virus, Bovine / Q000254:growth & development / Q000276:immunology; D008213:Lymphocyte Activation; D008228:Lymphoma, Non-Hodgkin / Q000453:epidemiology / Q000382:microbiology / Q000662:veterinary; D012190:Retroviridae