1. Physical therapy for patellofemoral pain. a randomized, double-blinded, placebo-controlled trial;Crossley;Am J Sports Med.,2002
2. The efficacy of patella mobilisation in patients suffering from patellofemoral pain syndrome;Rowlands;J Neuromusculoskelet Syst,1999
3. An investigation into the effect of exercise combined with patella mobilisation/manipulation in the treatment of patellofemoral pain syndrome;Taylor;Euro J Chiropr,2003
4. Orthotic devices for treating patellofemoral pain syndrome;D'hondt;Cochrane Database Syst Rev,2002
5. Exercise therapy for patellofemoral pain syndrome;Heities;Cochrane Database Syst Rev,2003