Kala, G.P., Kumar, S.A., Sandeep, G., Khawar, A. and Mazar, I. 2019. Comparison of Upper Lip Bite Test with Modified Mallampati Classification for Prediction of Difficult Endotracheal Intubation. Med Phoenix. 4, 1 (Sep. 2019), 21–26. DOI:https://doi.org/10.3126/medphoenix.v4i1.25747.