Nigam, R., Bairwa, R.K. and Goel, A. 2019. Study of clinical profile, pathological and functional changes in contralateral ear in patients of chronic suppurative otitis media. International Journal of Otorhinolaryngology and Head and Neck Surgery. 5, 5 (Aug. 2019), 1368–1371. DOI:https://doi.org/10.18203/issn.2454-5929.ijohns20193885.