title: [Megakaryoblastic transformation in polycythemia vera--a case of megakaryoblastic leukemia associated with myelofibrosis and elevation of serum PDGF-like activity].
mesh_terms: D000368:Aged; D006801:Humans; D008297:Male; D010982:Platelet-Derived Growth Factor / Q000097:blood*; D011087:Polycythemia Vera / Q000473:pathology*; D055728:Primary Myelofibrosis / Q000097:blood* / Q000150:complications; D013920:Thrombocythemia, Essential / Q000097:blood* / Q000473:pathology
chemical_list: D010982:Platelet-Derived Growth Factor