Angkurawaranon, C. (2026) “Per-oral Endoscopic Myotomy for Treatment of Achalasia, A Single Center Case Series”, Journal of the Association of General Surgeons of Thailand under the Royal of Patronage of HM the King , 11(1), pp. 14–26. available at: https://he02.tci-thaijo.org/index.php/agstjournal/article/view/279067 (accessed: 19 September 2026).