Evaluation of Hearing Status in Pre and Postoperative Canal Wall Down Mastoidectomy with Type III Tympanoplasty with or without Cartilage Augmentation. Bangladesh J of Otorhinolaryngology [Internet]. 2020 Dec. 9 [cited 2026 Jun. 29];26(2):86-94. Available from: https://www.banglajol.info/index.php/BJO/article/view/50607