Successful peroral endoscopic myotomy for radical treatment of sigmoid-type esophageal achalasia by Greek gastroenterologists Authors Nikolas Eleftheriadis, Andreas Protopapas, John Katsogridakis, Apostolos I. Hatzitolios. PDF HTML Published 2014-10-02 Issue Volume 27, No 4 (2014) Section Letter to the Editor
