The control of lymphosarcoma/leukaemia and feline leukaemia virus.
D000818:Animals; D002371:Cat Diseases / Q000517:prevention & control*; D002415:Cats; D007938:Leukemia / Q000517:prevention & control / Q000662:veterinary*; D005256:Leukemia Virus, Feline; D008228:Lymphoma, Non-Hodgkin / Q000517:prevention & control / Q000662:veterinary*