Nilsuwankhosit, Chalermchai, Jeamjai Jeeraumporn, Sumalee Dechongkit, and Kunlawat Thadanipon. 2024. “A comparison of the phonation quotient between patients with voice disorders caused by benign vocal fold lesions and normal adults 20-80 years of age”. Journal of Associated Medical Sciences 57 (2):101-6. https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/264273.