1. 1) Brouwer, R., et al.: Patellar height and the inclination of the tibial plateau after high tibial osteotomy. The open versus the closed-wedge technique. J. Bone Joint Surg. Br., 87(9): 1227-1232, 2005.
2. 2) El Amrani, M.H., et al.: Patellar height relevance in opening-wedge high tibial osteotomy. Orthop. Traumatol. Surg. Res., 96(1): 37-43, 2010.
3. 3) El-Azab, H., et al.: Patellar height and posterior tibial slope after open- and closed-wedge high tibial osteotomy: a radiological study on 100 patients. Am. J. Sports Med., 38(2): 323-329, 2010.
4. 4) Elmali, N., et al.: Monoplanar versus biplanar medial open-wedge proximal tibial osteotomy for varus gonarthrosis: a comparison of clinical and radiological outcomes. Knee Surg. Sports Traumatol. Arthrosc., 21(12): 2689-2695, 2013.
5. 5) Esenkaya, I., et al.: Proximal medial tibial biplanar retrotubercle open wedge osteotomy in medial knee artrosis. Knee, 19(4): 416-421, 2011.