title: Trends in survival and classification for patients with leukemia diagnosed 1940-69.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007938:Leukemia / Q000453:epidemiology* / Q000401:mortality; D007945:Leukemia, Lymphoid / Q000453:epidemiology; D007951:Leukemia, Myeloid / Q000453:epidemiology; D015470:Leukemia, Myeloid, Acute / Q000453:epidemiology; D008875:Middle Aged; D011379:Prognosis; D014481:United States