Human leukemia: genetic and environmental clusters.
D000368:Aged; D000818:Animals; D001856:Bone Marrow Examination; D002417:Cattle; D002418:Cattle Diseases / Q000635:transmission; D003612:Dairying; D004781:Environmental Exposure; D005260:Female; D006801:Humans; D007125:Immunogenetics; D007165:Immunosuppression Therapy; D007938:Leukemia / Q000453:epidemiology*; D007945:Leukemia, Lymphoid / Q000235:genetics*; D007958:Leukocyte Count; D008213:Lymphocyte Activation; D008297:Male; D008875:Middle Aged; D012882:Skin Tests