Initial Otoacoustic Emission Hearing Screening Results in Newborns with Patent Ear Canals, Vernix Caseosa and Collapsed Ear Canals. Acta Med Philipp [Internet]. 2017 Mar. 31 [cited 2025 Oct. 3];51(1). Available from: https://luna.upm.edu.ph/index.php/acta/article/view/634