Lea, Lee Kai, Nik Fariza Husna Nik Hassan, and Irfan Mohamad. “Acoustic Analysis of Voice in Post-Tonsillectomy Patients”. Bangladesh Journal of Medical Science 17, no. 3 (June 29, 2018): 382–387. Accessed May 19, 2024. https://banglajol.info/index.php/BJMS/article/view/36992.