Ablation index value for transmural lesions based on unipolar electrograms in patients with paroxysmal atrial fibrillation undergoing pulmonary vein isolation - Sun, Yijun; Wang, Binhao; Feng, Mingjun; Yu, Yibo; Gao, Fang; Zhuo, Weidong; Qi, Yingbo; Qiu, Xinhui; Chu, Huimin; Fu, Guohua (Frontiers in Cardiovascular Medicine, 2024)