1. Concussions in the National Football League: the evolution of video review for assessing the frequency and reliability of visible signs. Issue 4 (1st October 2020) Authors: Zuckerman, Scott L.; Elbin, R.J.; Sills, Allen K.; Crandall, Jeff R.; Lessley, David J.; Moran, Caitlin M.; Moran, Caroline D.; Solomon, Gary S. Journal: Physician and sportsmedicine Issue: Volume 48:Issue 4(2020) Page Start: 424 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗