Bargo, Roselle C., and Samantha S. Castañeda. “Alternative Self-Retaining Retractors for Head and Neck Surgery”. Philippine Journal of Otolaryngology Head and Neck Surgery 24, no. 2 (November 29, 2009): 36–37. Accessed November 24, 2024. https://pjohns.pso-hns.org/index.php/pjohns/article/view/687.