Prediction of Difficult Airway by Correlating Physical Indices with Maxillo-Pharyngeal Angle, Measured on Lateral Cervical Radiograph-an Analytical Study - Usman Anwar; Kumkum Gupta; Prashant K Gupta; Ivesh Singh; Abhishake Kumar; Pavitra Kalra (Academia Anesthesiologica International, 2018)