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

Endoscopic radial pyloromyotomy for adult idiopathic hypertrophic pyloric stenosis Xuelian Li; Liansong Ye; Feng Pan;

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