McDermott MM, Kramer CM, Tian L, Carr J, Guralnik JM, Polonsky T, Carroll T, Kibbe M, Criqui MH, Ferrucci L, Zhao L, Hippe DS, Wilkins J, Xu D, Liao Y, McCarthy W, Yuan C. Plaque Composition in the Proximal Superficial Femoral Artery and Peripheral Artery Disease Events. JACC Cardiovasc Imaging. 2017 09; 10(9):1003-1012.