Shrestha, Susmita, and Anil Kumar Adhikari. “Comparison of Maximum Phonation Duration and S/Z Ratio in Individuals With Asthma, Tuberculosis and Clinically Normal Voice”. Medical Journal of Shree Birendra Hospital 18, no. 2 (July 12, 2019): 16–21. Accessed May 5, 2024. https://www.nepjol.info/index.php/MJSBH/article/view/24089.