Effect of polyglycolic acid sheet plus esophageal stent placement in preventing esophageal stricture after endoscopic submucosal dissection in patients with earlystage esophageal cancer: A randomized,controlled trial
Ning-Li Chai, Jia Feng, Long-Song Li, Sheng-Zhen Liu, Chen Du, Qi Zhang, En-Qiang Linghu, Department of Gastroenterology, Chinese PLA General Hospital, Beijing 100853, China