P. K. Singh, N. Kumar, D. Kumar, N. Shrivastava, and A. Kumar, “A prospective study for hearing screening of 4356 newborns by transient evoked oto-acoustic emissions and brainstem evoked response audiometry: a study of high risk factors for hearing loss”, Int J Res Med Sci, vol. 5, no. 4, pp. 1554–1557, Mar. 2017.