Sick pets and human leukemia.
D000328:Adult; D000367:Age Factors; D000818:Animals; D001715:Bird Diseases; D001717:Birds; D002371:Cat Diseases; D002415:Cats; D002648:Child; D004197:Disease Reservoirs; D004283:Dog Diseases; D004285:Dogs; D006801:Humans; D007938:Leukemia / Q000453:epidemiology*; D007945:Leukemia, Lymphoid / Q000453:epidemiology; D008396:Maryland; D008910:Minnesota; D009518:New York; D012190:Retroviridae; D015047:Zoonoses