Tansawet, Amarit. “Per-Oral Endoscopic Myotomy (POEM): Its Complications and Beyond”. Vajira Medical Journal : Journal of Urban Medicine 59, no. 3 (April 4, 2016): 45. Accessed May 13, 2024. https://he02.tci-thaijo.org/index.php/VMED/article/view/54161.