Chan-Zamora, Jacquelyn, Joseph Richard Ray Cedeño, Patricio Guzman, and Jomar Bigalbal. “Determination of Ambient Noise Levels in the Medical and Surgical Intensive Care Units and Adult Ward of the Makati Medical Center”. Philippine Journal of Otolaryngology Head and Neck Surgery 36, no. 2 (November 11, 2021): 18. Accessed November 23, 2024. https://pjohns.pso-hns.org/index.php/pjohns/article/view/1795.