1. Effect of a rule change on concussions and other injuries in professional baseball. Issue 11 (25th May 2017) Authors: Gary, Green; D'Angelo, John; Coyles, Jon; Valadka, Alex Journal: British journal of sports medicine Issue: Volume 51:Issue 11(2017) Page Start: A64 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗