. Author manuscript; available in PMC: 2012 Jun 1.
Published in final edited form as: J Vasc Interv Radiol. 2011 Apr 22;22(6):755–761. doi: 10.1016/j.jvir.2011.01.451
© 2011 The Society of Interventional Radiology. Published by Elsevier Inc. All rights reserved.