Bidirectional two-sample Mendelian randomization study of atrial fibrillation and breast cancer - Ding, Fan; Chen, Chen; Wang, Yuling; Zhu, Tingting; Jiao, Linke; Shen, Zihuan; Zhang, Zhiwei; Lv, Lifei; Cui, Xiangning; Lu, Yingdong (Frontiers in Cardiovascular Medicine, 2024)