D. Poudel, K. Pyakurel, B. P. Sah, A. Pokhrel, K. Khanal, and L. K. Rajbanshi, “Comparison between clinical and ultrasonographic parameters in predicting difficult airway: An observational prospective study”, Birat J. Health Sci., vol. 8, no. 2, pp. 2039–2044, Nov. 2023.