Development and validation of a bleeding risk model for off-pump coronary artery bypass grafting: a multi-center retrospective cohort study. - Zi Wang 005; Runhua Ma; Qiming Wang; Fan Yang; Xiaotong Xia; Xiaoyu Li; Qing Xu; Yao yao; Hongyi Wu; Chunsheng Wang; Qianzhou Lv (Int. J. Medical Informatics, 2026)