1. Valid but Invalid: Suboptimal ImPACT Baseline Performance in University Athletes. Issue 7 (July 2018) Authors: WALTON, SAMUEL R.; BROSHEK, DONNA K.; FREEMAN, JASON R.; CULLUM, C. MUNRO; RESCH, JACOB E. Journal: Medicine and science in sports and exercise Issue: Volume 50:Issue 7(2018) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗