Venugopal M, Siddique SM. An analysis on evaluation of surgical outcomes in zetaplasty for circumferential collapse of velopharynx: a case series. Int J Otorhinolaryngol Head Neck Surg [Internet]. 2019 Aug. 27 [cited 2025 Nov. 1];5(5):1259-63. Available from: https://www.ijorl.com/index.php/ijorl/article/view/1568