Vignadutt, P. and Shaik, A. (2019) “Retracted: A retrospective study on middle ear risk indices in analysing the postoperative outcome following tympanoplasty”, International Journal of Otorhinolaryngology and Head and Neck Surgery, 5(5), pp. 1234–1239. doi: 10.18203/issn.2454-5929.ijohns20193861.