Wilkins, J. C., Valovich McLeod, T. C., Perrin, D. H., & Gansneder, B. M. (2004). Performance on the Balance Error Scoring System decreases after fatigue. Journal of athletic training, 39(2), S. 156-161. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC419510/

Wilkins, Joseph C., Tamara C. Valovich McLeod, David H. Perrin, and Bruce M. Gansneder. "Performance On the Balance Error Scoring System Decreases After Fatigue." Journal of Athletic Training 39, no. 2 (2004): S. 156-161.

Wilkins, Joseph C., Tamara C. Valovich McLeod, David H. Perrin, and Bruce M. Gansneder. "Performance On the Balance Error Scoring System Decreases After Fatigue." Journal of Athletic Training 39.2 (2004): S. 156-161.