Dr. S. M. Kanade. 2019. “ETIOLOGY, INCIDENCE AND PREVALENCE OF OSSICULAR CHAIN EROSION AMONG MUCOSAL AND SQUAMOUS TYPES OF CHRONIC SUPPURITIVE OTITIS MEDIA- AN OBSERVATIONAL STUDY”. International Journal of Medical Science And Diagnosis Research 3 (11). https://ijmsdr.com/index.php/ijmsdr/article/view/510.