Nair, Aditya, Siva Ganesan, R Lakshmanabharathi, M N Anusha, and M Rajasuman. 2021. “Referral Rates of Transient Evoked Otoacoustic Emission and Distortion Product Otoacoustic Emission in Neonatal Hearing Screening: Two-Step Protocol in Chennai”. Asian Journal of Clinical Pediatrics and Neonatology 9 (3), 11-16. https://aijournals.com/index.php/ajcpn/article/view/2091.