网页The complete evidence-based guideline, Treatment of Osteoarthritis of the Knee: Evidence-Based Guideline, 2nd Edition, includes all tables, figures, and appendices, and is available at http://www.aaos.org/guidelines. J Am Acad Orthop Surg 2013;21: 571-576. http://dx.doi.org/10.5435/ JAAOS-21-09-571.