1. Fulkerson JP. Patellofemoral pain disorders: evaluation and management. J Am Acad Orthop Surg. 1994;2(2):124–32.
2. Madott SD, Burak JS, Math KR, Waz DM. Knee Imagin Techniques and Norml Anatomy In Insall & Scott Surgery of the Knee. W. Norman Scott. 5th ed. Churchill Livingstone; 2012;223:252.
3. Fulkerson JP. Disorders of the patellofemoral joint. Philadelphia: Lippincott Williams & Wilkins; 2004. p. 76–106.
4. Miranda VE, Muñoz-Ch S, Paolinelli GP, Astudillo AC, Wainer EM, Duboy UJ. Imaging studies of the patellofemoral joint: current reality. Rev Chile Radiol. 2010;16(3):101–15.
5. Endo Y, Shubin Stein BE, Potter HG. Radiologic assessment of patellofemoral pain in the athlete. Sports Health. 2011;3(2):195–210.