Measurement of forces applied during Macintosh direct laryngoscopy compared with GlideScope video laryngoscopy. Russell T, Khan S, Elman J, Katznelson R, Cooper RM. Anaesthesia. 2012 Jun; 67(6):626-31.

doi: 10.1111/j.1365-2044.2012.07087.x. Epub 2012 Feb 21

**  Cooper, R.M., Pacey, J.A., Bishop, M.J. et al. Early clinical experience with a new videolaryngoscope (GlideScope®) in 728 patients. Can J Anaesth 52, 191 (2005).

*** Height at camera comparison of the LoPro S3 to GVL 3 Stat