Long-term results of arthroscopically assisted anatomical single-bundle anterior cruciate ligament reconstruction using patellar tendon autograft: Are there any predictors for the development of osteoarthritis? - Gerhard, P; Bolt, R; Duck, K; Mayer, R; Friederich, N F; Hirschmann, M T (Knee Surg Sports Traumatol Arthrosc, 2013)