Klepchick Paul R, McLean Gordon K
Department of Radiology, Division of Vascular and Interventional Radiology, The Western Pennsylvania Hospital, 4800 Friendship Avenue, Pittsburgh, PA 15224, USA.
J Vasc Interv Radiol. 2006 Jul;17(7):1091-4. doi: 10.1097/01.RVI.0000223675.79345.97.