Try and navigate your way through all the bias in this paper! ergeron L, Bouchard S, Bonapace-Potvin M, Bergeron F. Intraoperative Surgical Navigation Reduces the Surgical Time Required to Treat Acute Major Facial Fractures. Plast Reconstr Surg. 2019 Oct;144(4):923-931. doi: 10.1097/PRS.0000000000006040