Worrell, T., Ingersoll, C., Bockrath-Pugliese, K., & Minis, P. (1998). Effect of patellar taping and bracing on patellar position as determined by MRI in patients with patellofemoral pain. Journal of athletic training, 33(1), S. 16-20. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1320369/pdf/jathtrain00009-0018.pdf

Worrell, T., C.D Ingersoll, K. Bockrath-Pugliese, and P. Minis. "Effect of Patellar Taping and Bracing On Patellar Position As Determined By MRI in Patients With Patellofemoral Pain." Journal of Athletic Training 33, no. 1 (1998): S. 16-20.

Worrell, T., C.D Ingersoll, K. Bockrath-Pugliese, and P. Minis. "Effect of Patellar Taping and Bracing On Patellar Position As Determined By MRI in Patients With Patellofemoral Pain." Journal of Athletic Training 33.1 (1998): S. 16-20.