Anterior knee pain following anterior cruciate ligament reconstruction does not increase the risk of patellofemoral osteoarthritis at 15- and 20-year follow-ups. Culvenor, Adam G., Øiestad, Britt Elin, Holm, Inger, Gunderson, Ragnhild B., Crossley, Kay M., Risberg, May Arna (2016-09-30)