Docherty, C. L., Arnold, B. L., Gansneder, B. M., Hurwitz, S. R., & Gieck, J. H. (2005). Functional-performance deficits in volunteers with functional ankle instability. Journal of athletic training, 40(1), S. 30-34. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1088342/

Docherty, Carrie L., Brent L. Arnold, Bruce M. Gansneder, Shepard R. Hurwitz, and Joseph H. Gieck. "Functional-performance Deficits in Volunteers With Functional Ankle Instability." Journal of Athletic Training 40, no. 1 (2005): S. 30-34.

Docherty, Carrie L., et al. "Functional-performance Deficits in Volunteers With Functional Ankle Instability." Journal of Athletic Training 40.1 (2005): S. 30-34.