B. Durga Prasad, and Raju Naik Ajmeera. 2021. “A Hospital Based Study of Preoperative Indicators of Ossicular Defect in Mucosal Type of Chronic Suppurative Otitis Media”. International Journal of Health and Clinical Research 4 (21):16-18. https://ijhcr.com/index.php/ijhcr/article/view/3320.