“Evaluation of an Investigational Hearing Screening Device (HeLe) to Demonstrate Acoustic Brainstem Response Among Normal-Hearing Adults”. Acta Medica Philippina 57, no. 9 (September 27, 2023). Accessed April 12, 2025. https://actamedicaphilippina.upm.edu.ph/index.php/acta/article/view/4366.