title: Ph-positive and -negative myeloproliferative syndromes may co-exist.
authors.forename: M J
authors.initials: MJ
authors.lastname: Mauro
authors.forename: M
authors.initials: M
authors.lastname: Loriaux
authors.forename: M W
authors.initials: MW
authors.lastname: Deininger
mesh_terms: D001856:Bone Marrow Examination; D002999:Clone Cells / Q000473:pathology; D006801:Humans; D015464:Leukemia, Myelogenous, Chronic, BCR-ABL Positive / Q000175:diagnosis / Q000473:pathology; D054438:Leukemia, Myeloid, Chronic, Atypical, BCR-ABL Negative / Q000175:diagnosis / Q000473:pathology; D009196:Myeloproliferative Disorders / Q000175:diagnosis / Q000235:genetics* / Q000473:pathology