Endoscopic removal of intrahepatic biliary ascaris Chun-Cheng Wu; Jiang Du; Ke Liao; Bing Hu;

Endoscopic retrieval of large nails in the distal duodenum Liansong Ye; Wenjuan Yang; Jiang Du; Ke Liao; Bing Hu;

An innovative steroid application for preventing esophageal stricture in patients undergoing circumferential endoscopic submucosal dissection Yonghong Luo; Tingfa Peng; Bing Hu; Liansong Ye;