title: Letter: Philadelphia-chromosome-positive preleukaemic state.
mesh_terms: D000328:Adult; D001772:Blood Cell Count; D001854:Bone Marrow Cells; D002869:Chromosome Aberrations; D002904:Chromosomes, Human, 21-22 and Y; D005260:Female; D006801:Humans; D007938:Leukemia / Q000235:genetics*; D007951:Leukemia, Myeloid / Q000097:blood / Q000235:genetics; D015470:Leukemia, Myeloid, Acute / Q000209:etiology / Q000235:genetics