title: Philadelphia chromosome positive leukaemias.
mesh_terms: D000328:Adult; D002648:Child; D002904:Chromosomes, Human, 21-22 and Y; D006801:Humans; D007945:Leukemia, Lymphoid / Q000209:etiology / Q000235:genetics* / Q000517:prevention & control; D007951:Leukemia, Myeloid / Q000235:genetics* / Q000473:pathology / Q000628:therapy; D011379:Prognosis; D014178:Translocation, Genetic