title: Chromosomal findings in acute lymphoblastic leukaemia of childhood: an independent prognostic factor.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D002869:Chromosome Aberrations; D005260:Female; D006801:Humans; D007945:Leukemia, Lymphoid / Q000235:genetics*; D008297:Male; D011003:Ploidies; D011379:Prognosis