Singh, C., L. Sameeri, and A. Singh. “A Prospective Study of Clinicopathological Evaluation of the Patients With Hoarseness of Voice”. International Journal of Health and Clinical Research, vol. 4, no. 8, Apr. 2021, pp. 108-11, https://www.ijhcr.com/index.php/ijhcr/article/view/1422.