1[1]Eckardt VF,Aignherr C,Bernhard G.Predictors of outcome in patients with achalasia treated by pneumatic dilation[J].Gastroenterology，1992，103(6):1732～1738
2[2]Schwartz HM,Cahow CE,Tranbe M.Outcome after perforation sustained during pneumatic dilation for achalasia[J].Dig dis Sci，1993,38(8):1409～1413
3Pasricha P J, Hawari R, Ahmed I. et al.Submucosal Endoscopic Esophageal Myotomy:a Novel Experimental Approach for the Treatment of Achalasia[ J ]. Endoscopy,2007, 39(8): 761-764.
4Inoue H, Minami H, Kobayashi Y, et al. Peroral Endoscopic Myotomy (POEM) for Esophageal Achalasia [ J ].Endoscopy, 2010,42(6):265 -271.
5Schwartz HM,Cahow CE,Tranbe M. Outcome after perforation auatnined during pneumatic dilation for achalasia.Dig dis Sei,1993,38(8):1409-1413.
