1. Emergency visits for sports-related injuries;Burt;Ann Emerg Med,2001
2. Non-fatal sports- and recreation-related injuries treated in emergency departments, United States, July 2000–June 2001;Centers for Disease Control and Prevention;MMWR Morb Mortal Wkly Rep,2002
3. Nonfatal traumatic brain injuries from sports and recreation activities – United States, 2001–2005;Centers for Disease Control and Prevention;MMWR Morb Mortal Wkly Rep,2007
4. Injury surveillance in young athletes – a clinician's guide to sports injury literature;Goldberg;Sports Med,2007