1. Ackroyd CE, Newman JH, Evans R, Eldridge JD, Joslin CC (2007) The Avon patellofemoral arthroplasty: five year survivorship and functional results. J Bone Joint Surg Br 89:310–315
2. Bindelglass DF, Cohen JL, Dorr LD (1993) Patellar tilt and subluxation in total knee arthroplasty. Relationship to pain, fixation, and design. Clin Orthop Relat Res 286:103–109
3. Dahm DL, Al-Rayashi W, Dajani K, Shah JP, Levy BA, Stuart MJ (2010) Patellofemoral arthroplasty versus total knee arthroplasty in patients with isolated patellofemoral arthritis. Am J Orthop 39:487–491
4. Farr J 2nd, Barrett D (2008) Optimizing patellofemoral arthroplasty. Knee 15:339–347
5. Gomes LS, Bechtold JE, Gustilo RB (1988) Patellar prosthesis positioning in total knee arthroplasty. A roentgenographic study. Clin Orthop Relat Res 236:72–81