Santichatngam, Prinya. 2024. “The New Surgical Technique Compared to Longo’s Technique in Stapled Hemorrhidectomy”. Maharat Nakhon Ratchasima Hospital Journal 26 (1). Nakhon Ratchasima,Thailand:29-40. https://he04.tci-thaijo.org/index.php/MNRHJ/article/view/2153.