Guleria, T. C., Mohindroo, S., Azad, R. K. and Mohindroo, N. K. (2017) “Hearing impairment in rural area of Himalaya: prevalence and etiology”, International Journal of Otorhinolaryngology and Head and Neck Surgery, 3(3), pp. 624–627. doi: 10.18203/issn.2454-5929.ijohns20173036.