1. Injury Surveillance in Major League Soccer: A 4-Year Comparison of Injury on Natural Grass Versus Artificial Turf Field. Issue 10 (August 2019) Authors: Calloway, Sean P.; Hardin, David M.; Crawford, Matthew D.; Hardin, J. Michael; Lemak, Lawrence J.; Giza, Eric; Forsythe, Brian; Lu, Yining; Patel, Bhavik H.; Osbahr, Daryl C.; Gerhardt, Michael B.; Mandelbaum, Bert R.; Baldwin, William W. Journal: American journal of sports medicine Issue: Volume 47:Issue 10(2019) Page Start: 2279 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗