Sikka, R., Fetzer, G., Hunkele, T., Sugarman, E., & Boyd, J. (2015). Femur Fractures in Professional Athletes: A Case Series. Journal of athletic training, 50(4), S. 442-448. doi:http://dx.doi.org/10.4085/1062-6050-49.5.10

Sikka, Robby, Gary Fetzer, Thomas Hunkele, Eric Sugarman, and Joel Boyd. "Femur Fractures in Professional Athletes: A Case Series." Journal of Athletic Training 50, no. 4 (2015): S. 442-448.

Sikka, Robby, et al. "Femur Fractures in Professional Athletes: A Case Series." Journal of Athletic Training 50.4 (2015): S. 442-448.