Real-world investigation on discontinuation of oral anticoagulation after paroxysmal atrial fibrillation catheter ablation in China - Yu, Ronghui; Xi, Hui; Lu, Jun; Xu, Fengqiang; Shi, Lisheng; Kong, Qiang; Hu, Yucai; Zhao, Xin; Liu, Nian (Annals of Palliative Medicine, 2020)