Khoo, Lee Kian, Sutichai Norranitchaiyakul, Suphachai Suphangul, and Natthamet Wongsirichat. “Overview of Surgical Therapies for Obstructive Sleep Apnea: A Concise Review Literature”. Siriraj Medical Journal 72, no. 1 (December 13, 2019): 87–94. Accessed December 8, 2022. https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/229165.