title: Letter: No chromosome 9q plus in Ph1-negative CML.
mesh_terms: D001854:Bone Marrow Cells; D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D002904:Chromosomes, Human, 21-22 and Y; D002906:Chromosomes, Human, 6-12 and X; D006801:Humans; D007621:Karyotyping; D007951:Leukemia, Myeloid / Q000235:genetics*; D008938:Mitosis