title: Ph1-negative CGL still a possibility.
authors.forename: S
authors.initials: S
authors.lastname: Selvaggi
mesh_terms: D001853:Bone Marrow / Q000473:pathology; D003114:Colony-Forming Units Assay; D006801:Humans; D007951:Leukemia, Myeloid / Q000235:genetics* / Q000473:pathology; D010677:Philadelphia Chromosome