Gopalakrishnan, G. and George, S. (2022) “Role of preoperative tympanometric evaluation of eustachian tube in patients undergoing type-1 tympanoplasty for chronic otitis media”, International Journal of Otorhinolaryngology and Head and Neck Surgery, 8(5), pp. 479–483. doi: 10.18203/issn.2454-5929.ijohns20221059.