Mohanty, P. R., and A. Fasal. “Efficacy of Tympanometry Screening Methods for Early Clinical Diagnosis of Otosclerosis”. International Journal of Otorhinolaryngology and Head and Neck Surgery, vol. 6, no. 2, Jan. 2020, pp. 400-2, doi:10.18203/issn.2454-5929.ijohns20200159.