Randomized Controlled Trial

A Macintosh laryngoscope blade for videolaryngoscopy reduces stylet use in patients with normal airways.

Anesth. Analg. 2009 Sep 1;109(3):825-31.
Review

Glidescope® video-laryngoscopy versus direct laryngoscopy for endotracheal intubation: a systematic review and meta-analysis.

Can J Anaesth. 2012 Jan 1; 59 (1): 41-52.
Randomized Controlled Trial

A comparative trial of the GlideScope(R) video laryngoscope to direct laryngoscope in children with difficult direct laryngoscopy and an evaluation of the effect of blade size.

Anesth. Analg.. 2013 Jul 1;117(1):176-81.