title: Letter: Secular trends in leukaemia mortality.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007938:Leukemia / Q000401:mortality*; D007945:Leukemia, Lymphoid / Q000401:mortality; D015470:Leukemia, Myeloid, Acute / Q000401:mortality; D008297:Male; D009820:Ohio; D012744:Sex Ratio