title: Development of polycythemia vera in a patient with myeloid metaplasia and myelofibrosis. Report of a case with a comment on its significance in relation to prevailing views on myeloid metaplasia.
mesh_terms: D000328:Adult; D006801:Humans; D008297:Male; D009196:Myeloproliferative Disorders / Q000150:complications; D011087:Polycythemia Vera / Q000209:etiology* / Q000473:pathology; D055728:Primary Myelofibrosis / Q000150:complications* / Q000209:etiology / Q000473:pathology