Pasupathy, S., and H. S. Kumar. “Critical Appraisal of Appropriate Method for Early Detection of Hearing Impairment in Newborns in a Tertiary Care Centre”. International Journal of Contemporary Pediatrics, vol. 5, no. 6, Oct. 2018, pp. 2064-70, doi:10.18203/2349-3291.ijcp20183843.