Transcanal Endoscopic Antrostomy Hole : Its Utility in Restoring Ventilation Pathway to Epitympanum and Mastoid Antrum During Tympanoplasty. Bangla J. Endosurg. [Internet]. 2014 Jul. 19 [cited 2026 Jul. 12];2(1):9-14. Available from: https://www.banglajol.info/index.php/BJE/article/view/19588