Fan, Guangpu, Jing Liu, Suixin Dong, and Yu Chen. “Postoperative Atrial Fibrillation After Minimally Invasive Direct Coronary Artery Bypass: A Single-Center, 5-Year Follow-Up Study: POAF After MIDCAB”. The Heart Surgery Forum 24, no. 3 (May 24, 2021): E456-E460. Accessed June 21, 2021. https://journal.hsforum.com/index.php/HSF/article/view/3621.