Smit, Pieter J. S., Masood A. Shariff, John P. Nabagiez, Muhammad A. Khan, Scott M. Sadel, and Joseph T. McGinn. “Experience With a Minimally Invasive Approach to Combined Valve Surgery and Coronary Artery Bypass Grafting through Bilateral Thoracotomies”. The Heart Surgery Forum 16, no. 3 (June 26, 2013): E125-E131. Accessed September 19, 2020.