Cem Şİmşek. “Considering the First Randomized Trial of Peroral Endoscopic Myotomy Versus Surgical Myotomy for Achalasia”. Turkish Journal of Gastroenterology, vol. 31, no. 2, Mar. 2020, pp. 190-2, https://tjg.avesjournals.com/index.php/tjg/article/view/3864.