title: Risk analysis in acute lymphoblastic leukaemia: problems and pitfalls.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D054198:Precursor Cell Lymphoblastic Leukemia-Lymphoma / Q000145:classification / Q000188:drug therapy*; D011379:Prognosis; D012307:Risk Factors; D016896:Treatment Outcome