For citations:
Godzhello E.A., Khrustaleva M.V., Bulganina N.A., Shatveryan D.G., Dekhtyar M.A. Endoscopic Balloon Dilation for Achalasia in the Era of Peroral Endoscopic Myotomy (POEM). Thirty years’ experience. Experimental and Clinical Gastroenterology. 2019;(4):105-110. (In Russ.) https://doi.org/10.31146/1682-8658-ecg-164-4-105-110