Aslan, Fatih, Zehra Akpınar, Emrah Alper, Aynur Atay, Derya Aslan Yurtlu, Cem Çekiç, Serhat Bor, and Belkis Ünsal. “The Last Innovation in Achalasia Treatment; Per-Oral Endoscopic Myotomy”. Turkish Journal of Gastroenterology 26, no. 3 (January 3, 2015): 218–223. Accessed January 1, 2026. https://www.turkjgastroenterol.org/index.php/tjg/article/view/2751.