[Pathology of leukemia in the childhood].
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007564:Japan; D007938:Leukemia / Q000145:classification / Q000453:epidemiology / Q000473:pathology*; D008297:Male