Javellana, Anne Elizabeth M., and Ray U. Casile. “The Correlation of Results Between Pure Tone Audiometry and the Virtual Audiometer: A Simulated Air-Conduction Clinic-Based Audiometer”. Philippine Journal of Otolaryngology Head and Neck Surgery 23, no. 1 (June 30, 2008): 9–14. Accessed February 12, 2025. https://pjohns.pso-hns.org/index.php/pjohns/article/view/761.