1. Traumatic Brain Injury--Football, Warfare, and Long-Term Effects, 363 New Eng;T Steven;J. Med,2010
2. Reports of Concussions From Youth Sports Rise Along With Awareness of the Problem;Mike Mitka;JAMA,2010
3. Having Had a Concussion Aids in Sports Concussion Knowledge Level
4. Bicycling, in addition to being regulated under other laws, is not considered a "youth sport" for the purposes of this Article and shall not be discussed in depth;H Allan;J. Med,2007