Limalvin, Nicholas Prathama, and Fajar Kurniawan. “Difficult Airway Management in an Ankylosing Spondylitis Case Using Video Laryngoscope: A Case Report”. International Journal of Research in Medical Sciences 11, no. 6 (May 29, 2023): 2279–2283. Accessed October 14, 2025. https://www.msjonline.org/index.php/ijrms/article/view/12150.