![Injury Surveillance in Major League Soccer: A 4-Year Comparison of Injury on Natural Grass Versus Artificial Turf Field]()
Injury Surveillance in Major League Soccer: A 4-Year Comparison of Injury on Natural Grass Versus Artificial Turf FieldCalloway, 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. · The American Journal of Sports Medicine · 2019