Liu, Jun, Yiping Wu, Shurui Li, Lihong Song, and Chengdong Hu. 2020. “The Efficacy of Non–Vitamin K Antagonist Oral Anticoagulants in the Prevention of Left Atrial Thrombus in Patients With Atrial Fibrillation Compared With Vitamin K Antagonists: A Meta-Analysis”. The Heart Surgery Forum 23 (6):E733-E739. https://doi.org/10.1532/hsf.3203.