Akhtar, Naeem, Muhammad Haneef, and Asma Naeem. “Chronic Suppurative Otitis Media Contributory Factors and Their Prevention”. Annals of Punjab Medical College 14, no. 3 (September 30, 2020): 209-213. Accessed July 3, 2024. https://apmcfmu.com/index.php/apmc/article/view/858.