5Insall JN, Scott WN. Surgery of the knee. 3rd ed. New York:Churchill Livingstone, 2001. 1295-1304.
6Goodfellow J, Hungerford DS, Zindel M. Patello-femoral joint mechanics and pathology: 1. Functional anatomy of the patello-femoral joint. J Bone Joint Surg (Br), 1976, 58: 287-290.
7Hungerford DS, Barry M. Biomechanics of the patellofemoral joint.Clin Orthop, 1979, (144): 9-15.
8Reilly DT, Martens M. Experimental analysis of the quadriceps muscle force and patello-femoral joint reaction force for various activities. Acta Orthop Scand 1972. 43: 126-137.
9Johnson EE. Fracture of the knee. In: Rockwood CA, Green DP, Bucholz RW, eds. Fractures in adults. 3rd ed. Philadelphia: JB Lippincott, 1991. 1762-1777.