Indirect laryngoscopy is more effective than direct laryngoscopy when tracheal intubation is performed by novice operators: a systematic review, meta-analysis, and trial sequential analysis.
Hoshijima H, Mihara T, Shiga T, Mizuta K.
Can J Anaesth. 2024 Feb;71(2):201-212. doi: 10.1007/s12630-023-02642-9. Epub 2023 Nov 21.