Heparin-bonded, Expanded Polytetrafluoroethylene-lined Stent Graft in the Treatment of Femoropopliteal Artery Disease: 1-Year Results of the VIPER (Viabahn Endoprosthesis with Heparin Bioactive Surface in the Treatment of Superficial Femoral Artery Obstructive Disease) TrialRichard R. Saxon, Michael J. Rush, Paul A. Jones et al.|Journal of Vascular and Interventional Radiology|2013Cited by 171