Manochiopinig S, Chuangsuwanich A, Taweepraditpol S. The Nasoendoscopy Study of Velopharyngeal Closure Patterns in Normal Thai Volunteers. Siriraj Med J [internet]. 2005 May 1 [cited 2026 Aug. 29];57(5):118-21. available from: https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/245585