doi:10.1182/blood-2011-12-391268 2012 119: 1097-1098 Yogen Saunthararajah and Jaroslaw Maciejewski Polycomb segment myeloid malignancies http://bloodjournal.hematologylibrary.org/content/119/5/1097.full.html Updated information and services can be found at: http://bloodjournal.hematologylibrary.org/site/misc/rights.xhtml#repub_requests Information about reproducing this article in parts or in its entirety may be found online at: http://bloodjournal.hematologylibrary.org/site/misc/rights.xhtml#reprints Information about ordering reprints may be found online at: http://bloodjournal.hematologylibrary.org/site/subscriptions/index.xhtml Information about subscriptions and ASH membership may be found online at: Copyright 2011 by The American Society of Hematology; all rights reserved. Washington DC 20036. by the American Society of Hematology, 2021 L St, NW, Suite 900, Blood (print ISSN 0006-4971, online ISSN 1528-0020), is published weekly personal use only. For at CLEVELAND CLINIC FOUNDATION on February 14, 2012. bloodjournal.hematologylibrary.org From