Clinical diagnosis and therapeutic strategies of duodenal papillary lesions with endoscopic techniques

Proton pump inhibitor has no effect in the prevention of post-endoscopic sphincterotomy delayed bleeding: a prospective randomized controlled trial

• Zhengping Yu
• Jinli He
• Ronglai Cao
• Zhenzhen Yang
• Baolian Li
• Junbo Hong
• Youxiang Chen
• Liang Zhu