Bovine leukosis in Nigeria--a preliminary study.
D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis*; D002417:Cattle; D002418:Cattle Diseases / Q000276:immunology*; D007938:Leukemia / Q000276:immunology / Q000662:veterinary*; D001909:Leukemia Virus, Bovine / Q000276:immunology*; D008228:Lymphoma, Non-Hodgkin / Q000276:immunology / Q000662:veterinary*; D012190:Retroviridae / Q000276:immunology*
D000914:Antibodies, Viral