Tonsillectomy and leukaemia.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007938:Leukemia / Q000209:etiology*; D007945:Leukemia, Lymphoid / Q000209:etiology; D015470:Leukemia, Myeloid, Acute / Q000209:etiology; D009518:New York; D013997:Time Factors; D014068:Tonsillectomy