Bolgla, L. A., Jones, D. L., Keskula, D. R., & Duncan, J. B. (2001). Hip pain in a high school football player: A case report. Journal of athletic training, 36(1), S. 81-84. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC155407/

Bolgla, Lori A., Dana L. Jones, Douglas R. Keskula, and Jewell B. Duncan. "Hip Pain in a High School Football Player: A Case Report." Journal of Athletic Training 36, no. 1 (2001): S. 81-84.

Bolgla, Lori A., Dana L. Jones, Douglas R. Keskula, and Jewell B. Duncan. "Hip Pain in a High School Football Player: A Case Report." Journal of Athletic Training 36.1 (2001): S. 81-84.