P. Pooja, K. Sridevi, A. M. Thomas, A. Rajagopalan Vinayakumar, and P. Arun, “Changes in the hearing threshold using high frequency audiometry in medical personnel exposed to ionizing radiation”, Int J Otorhinolaryngol Head Neck Surg, vol. 4, no. 6, pp. 1411–1416, Oct. 2018.