title: Comments on epidemiologic implications of feline leukemia virus.
mesh_terms: D000818:Animals; D002371:Cat Diseases / Q000453:epidemiology* / Q000382:microbiology; D002415:Cats; D004285:Dogs; D006801:Humans; D007938:Leukemia / Q000453:epidemiology / Q000382:microbiology / Q000662:veterinary*; D008223:Lymphoma / Q000453:epidemiology / Q000382:microbiology / Q000662:veterinary; D012190:Retroviridae / Q000472:pathogenicity*; D014481:United States; D014777:Virus Diseases / Q000453:epidemiology / Q000662:veterinary*; D015047:Zoonoses / Q000453:epidemiology