Carbon dioxide is a cost-effective contrast medium to guide revascularization of TASC A and TASC B femoropopliteal occlusive disease - Mendes, Cynthia de Almeida; Martins, Alexandre de Arruda; Teivelis, Marcelo Passos; Kuzniec, Sergio; Nishinari, Kenji; Krutman, Mariana; Halpern, Helio; Wolosker, Nelson (Annals of Vascular Surgery, 2014)