J. Sepmiko, T. G. A. Senapathi, M. Wiryana, I. P. Kurniyanta, I. M. G. Widnyana, and I. B. K. Jaya Sutawan, “The Efficacy of O-Mac®, Patent Video Laryngoscope, and Conventional Laryngoscope for Intubation in the Operating Room”, Open Access Maced J Med Sci, vol. 9, no. B, pp. 646–650, Aug. 2021.