. A, Lal PK. STUDY TO ASSESS THE EUSTACHIAN TUBE FUNCTION BEFORE AND AFTER TYMPANOPLASTY: A COMPARATIVE STUDY. IJMBS [Internet]. 2020 Apr. 30 [cited 2026 Apr. 16];4(4). Available from: https://mail.ijmbs.info/index.php/ijmbs/article/view/1340