Are MpI glycosylation defects in polycythemia vera secondary to artifactual hypoglycemia

To the editor: Are MpI glycosylation defects in polycythemia vera secondary to artifactual hypoglycemia? In their report on altered processing of the thrombopoietin receptor (Mpl) in patients with polycythemia vera, Moliterno and Spivak[1][1] (Oct 15 issue) show that Mpl glycosylation is