1)Oyama T. Counter traction makes endoscopic submucosal dissection easier. Clin Endosc 45:375-378, 2012
2)2)Hashimoto S, Kobayashi M, Takeuchi M, et al. The efficacy of endoscopic triamcinolone injection for the prevention of esophageal stricture after endoscopic submucosal dissection. Gastrointest Endosc 74:1389-1393, 2011
3)Hanaoka N, Ishihara R, Takeuchi Y, et al. Intralesional steroid injection to prevent stricture after endoscopic submucosal dissection for esophageal cancer:a controlled prospective study. Endoscopy 44:1007-1011, 2012
4)Yamaguchi N, Isomoto H, Nakayama T, et al. Usefulness of oral prednisolone in the treatment of esophageal stricture after endoscopic submucosal dissection for superficial esophageal squamous cell carcinoma. Gastrointest Endosc 73:1115-1121, 2011