Saidha, P.K., Kapoor, S., Suri, A., Gupta, A. and Kakkar, V. 2021. Evaluation of the role of middle ear risk index as a prognostic tool in cases of tympanoplasty in chronic suppurative otitis media. International Journal of Otorhinolaryngology and Head and Neck Surgery. 7, 4 (Mar. 2021), 622–626. DOI:https://doi.org/10.18203/issn.2454-5929.ijohns20211183.