Piva, Sara R., G. Kelley Fitzgerald, Stephen Wisniewski, and Anthony Delitto. “Predictors of Pain and Function Outcome After Rehabilitation in Patients With Patellofemoral Pain Syndrome”. Journal of Rehabilitation Medicine 41, no. 8 (May 19, 2009): 604–612. Accessed July 17, 2024. https://medicaljournalssweden.se/jrm/article/view/18030.