Alapach, S., and A. Khaimook. “Comparison Between Ligation of Intersphincteric Fistula Tract (LIFT) Technique and Conventional Fistulotomy in the Treatment of Fistula-in-Ano at Hat Yai Regional Hospital”. The Thai Journal of Surgery, vol. 35, no. 1, Mar. 2018, pp. 20-23, https://he02.tci-thaijo.org/index.php/ThaiJSurg/article/view/227738.