Biliary-intestinal anastomosis leads to alterations in intestinal flora and its flora metabolites and increases the risk of long-term postoperative complications: a case-control study - Li, Baicheng; Chen, Zhao; Wang, Guangzhi; Chen, Yuzhuo; Hou, Xingdong; Lu, Bowei; Ning, Shili (Frontiers in Microbiology, 2025)