Effects of Clustered Comorbid Conditions on Walking Capacity in Patients with Peripheral Artery Disease - Farah, Breno Quintella; Ritti-Dias, Raphael Mendes; Cucato, Gabriel Grizzo; Chehuen, Marcel da Rocha; Barbosa, João Paulo dos Anjos Souza; Zeratti, Antonio Eduardo; Wolosker, Nelson; Puech-Leao, Pedro (Annals of Vascular Surgery, 2014)