Huffman, E. A., Yard, E. E., Fields, S. K., Collins, C. L., & Comstock, R. D. (2008). Epidemiology of Rare Injuries and Conditions Among United States High School Athletes During the 2005–2006 and 2006–2007 School Years. The National Athletic Trainers' Association, Inc.

Huffman, Elizabeth A., Ellen E. Yard, Sarah K. Fields, Christy L. Collins, and R Dawn Comstock. Epidemiology of Rare Injuries and Conditions Among United States High School Athletes During the 2005–2006 and 2006–2007 School Years. The National Athletic Trainers' Association, Inc, 2008.

Huffman, Elizabeth A., et al. Epidemiology of Rare Injuries and Conditions Among United States High School Athletes During the 2005–2006 and 2006–2007 School Years. The National Athletic Trainers' Association, Inc, 2008.