. Author manuscript; available in PMC: 2011 Jun 1.
Published in final edited form as: J Vasc Interv Radiol. 2010 Apr 22;21(6):903–909. doi: 10.1016/j.jvir.2010.02.023
© 2010 The Society of Interventional Radiology. Published by Elsevier Inc. All rights reserved.