Acute patellar dislocation. EBSCO DynaMed website. Available at: https://dynamed.ebscohost.com/about/about-us. Updated August 26, 2012. Accessed November 5, 2013.
Panni AS, Vasso M, et al. Acute patellar dislocation: What to do? Knee Surg Sports Traumatol Arthrosc. 2013;21(2):275-278.
Unstable kneecap. American Academy of Orthopaedic Surgeons Ortho Info website. Available at: http://orthoinfo.aaos.org/topic.cfm?topic=A00350. Updated August 2007. Accessed November 5, 2013.
American Academy of Family Physicians
American Academy of Orthopaedic Surgeons
Canadian Association of General Surgeons
Canadian Orthopaedic Foundation