Choudhary, V. K.; Rastogi, B.; Singh, V. P.; Ghalot, S.; Dabass, V.; Ashraf, S. Comparison of Hemodynamic Responses Along With Perfusion Index to Tracheal Intubation With Macintosh and McCoy Laryngoscopes. Int J Res Med Sci 2018, 6, 1673-1681.