Nijs، J.؛ Van Geel، C.؛ Van der Auwera، C. (2006). "Diagnostic value of five clinical tests in patellofemoral pain syndrome". Manual Therapy. ج. 11 ع. 1: 69–77. DOI:10.1016/j.math.2005.04.002. PMID:15950517.
Nijs، J.؛ Van Geel، C.؛ Van der Auwera، C. (2006). "Diagnostic value of five clinical tests in patellofemoral pain syndrome". Manual Therapy. ج. 11 ع. 1: 69–77. DOI:10.1016/j.math.2005.04.002. PMID:15950517.