Machine-learning model for predicting left atrial thrombus in patients with paroxysmal atrial fibrillation - Wanli Xiong; Qiqi Cao; Lu Jia; Min Chen; Tao Liu; Qingyan Zhao; Yanhong Tang; Bo Yang; Li Li; Shaobo Shi; He Huang; Congxin Huang; et al. (BMC Cardiovascular Disorders, 2025)