4Lequesne M. Indices of severity and disease activity for os- teohitis[J]. Seminars in Arthritis and Rheumatism, 1991, 20(6 Suppl 2) :48-54.
5Delanois RE, McGrath MS, Ulrich SD, et al. Results of total knee re- placement for isolated patellofemoral arthritis :when not to perform a patel- lofemoral arthroplasty[J]. Orthop Clin North Am,2008 ;39 (3) : 381-8.
6Calpur OU, Ozcan M, Gurbuz H, et al. Full arthroscopie lateral retinac- ular release with hook knife and quadriceps pressure-pull test : long-term follow-up[J]. Knee Surg Sports Traumatol Arthrose ,2005 ; 13 ( 3 ) :222- 30.
7Leadbetter WB. Patellofemoral arthroplasty in the treatment of patel- lofemoral arthritis : rationale and outcomes in younger patients [ J ]. Or- thop Clin North Am, 2008 ;39 (3) :363-80.
8Kirkley A, Birminghm TB, Litchfield RB, et al. A randomized trial of ar- throscopie surgery for osteoarthritis of the knee [J]/ N Engl J Med, 2008 ;359( 11 ) : 1097-107.
9Day B. The indications for arthroscopic debridement for osteoarthritis of the knee[J]. Orthop Clin North Am,2005 ;36(4) :413-7.
10Stuart MJ, Lubowit JH, What if any Br th irdicatioaj for arthroscopiedobridoment of the osteom'thritic knee[ J] ? Arthroscopy,2006 ;22(3 ) : 238-9,.
