Chauhan, S., Shende, S. and Vinayak Shidhaye, R. (2016) “Evaluation of laryngoscopic view, intubation difficulty and sympathetic response during direct laryngoscopy in sniffing position versus simple head extension: a clinical comparative study”, International Journal of Medical Research and Review, 4(9), pp. 1531-1537. doi: 10.17511/ijmrr.2016.i09.03.