Comparison of McGrath, Pentax, and Macintosh laryngoscope in normal and cervical immobilized manikin by novices: a randomized crossover trial.
In Kyong YiHyun Jeong KwakKyung Cheon LeeJi Hyea LeeSang Kee MinJong Yeop KimPublished in: European journal of medical research (2020)
ClinicalTrials.gov (NCT03161730), May 22, 2017 https://clinicaltrials.gov/ct2/hom.