Agel, J., Dompier, T. P., Dick, R., & Marshall, S. W. (2007). Descriptive epidemiology of collegiate men's ice hockey injuries: National Collegiate Athletic Association Injury Surveillance System, 1988–1989 through 2003–2004. Journal of athletic training, 42(2), S. 241-248. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1941284/

Agel, Julie, Thomas P. Dompier, Randall Dick, and Stephen W. Marshall. "Descriptive Epidemiology of Collegiate Men's Ice Hockey Injuries: National Collegiate Athletic Association Injury Surveillance System, 1988–1989 Through 2003–2004." Journal of Athletic Training 42, no. 2 (2007): S. 241-248.

Agel, Julie, Thomas P. Dompier, Randall Dick, and Stephen W. Marshall. "Descriptive Epidemiology of Collegiate Men's Ice Hockey Injuries: National Collegiate Athletic Association Injury Surveillance System, 1988–1989 Through 2003–2004." Journal of Athletic Training 42.2 (2007): S. 241-248.