Yang, J., Tibbetts, A. S., Covassin, T., Cheng, G., Nayar, S., & Heiden, E. (2012). Epidemiology of overuse and acute injuries among competitive collegiate athletes. Journal of athletic training, 47(2), S. 198-204. http://natajournals.org/doi/pdf/10.4085/1062-6050-47.2.198

Yang, Jingzhen, Abigail S. Tibbetts, Tracey Covassin, Gang Cheng, Saloni Nayar, and Erin Heiden. "Epidemiology of Overuse and Acute Injuries Among Competitive Collegiate Athletes." Journal of Athletic Training 47, no. 2 (2012): S. 198-204.

Yang, Jingzhen, et al. "Epidemiology of Overuse and Acute Injuries Among Competitive Collegiate Athletes." Journal of Athletic Training 47.2 (2012): S. 198-204.