A. Muttalib, Ali, and Ali. “Middle Ear Effusion: Tympanometry Versus Operative Findings”. Annals of the College of Medicine, Mosul 31, no. 1 (June 24, 2025): 22–26. Accessed August 4, 2025. https://rjps.uomosul.edu.iq/index.php/mmed/article/view/15294.