5Harris RM. Fractttres of the patella and injuries to the extensor mechanism[A]. In: Bucholz RW, Heckman JD, Court Brown CM eds.Rockwood and Green's Fractures in Adults[M]. 6th ed, Philadephia: Lippincott,2006:1970- 1997
6Grelsamer RIP, Weinstein CH. Applied biomechanics of the patella. Clin Orthop, 2001;389:9-14
7Huberti HH, Hayes WC Patellofemoral contact pressures. The influence of q-angle and tendofemoral contact. J Bone Joint Surg Am, 1984; 66(5):715-724
9Carpenter JE, Kasman R, Matthews LS. Fractures of the patella. Instr Course Lect, 1994; 43:97-108
10Marder RA, Swanson TV, Sharkey NA, et al. Effects of partial patellectomy and reattachment of the patellar tendon on patdlofemoral contact areas and pressures. J Bone Joint Surg Am, 1993;7(1):35-45
