Comparison of preferred double guidewire technique and transpancreatic sphincterotomy for difficult biliary cannulation

Abstract Supplementary Information: The online version contains supplementary material available at 10.1038/s41598-025-25120-2. Article type: Research Article Keywords: Cholangiopancreatography, Endoscopic rretrograde, Catheterization, Sphincterotomy, Endoscopic, Adverse effects, Retrospective studies, Humans, Bile duct disease, Gastroenterology Authors: Junjun Bao, Shaofei Wang, Bingqing Bai, Qiming Huang, Liping Zhang, Xinwen Chen, Chenyu Zhang, Yuanyuan Fang, Lei Jie, Zhangwei Xu, Xiaochang Liu, Qiao Mei, Rutao Hong Affiliations: https://ror.org/03t1yn780grid.412679.f0000 0004 1771 3402Department of Gastroenterology, The First Affiliated Hospital of Anhui Medical University, Jixi Road 218, Hefei, 230022 China;