Ejiofor JI, Hirji SA, Ramirez-Del Val F, Norman AV, McGurk S, Aranki SF, Shekar PS, Kaneko T. Outcomes of repeat mitral valve replacement in patients with prior mitral surgery: A benchmark for transcatheter approaches. J Thorac Cardiovasc Surg. 2018 08; 156(2):619-627.e1.