1.
Pal R, Chauhan S, Ved BK, Lad SR. Evaluation of laryngoscopic view, intubation difficulty and sympathetic response during direct laryngoscopy in sniffing position and simple head extension: a prospective and randomized comparative study. Int J Res Med Sci [Internet]. 2017 Jan. 10 [cited 2025 Oct. 13];3(8):1895-901. Available from: https://www.msjonline.org/index.php/ijrms/article/view/1627