7Frederiok J. Matrix metalloproteinases and their inhibitors in con- nective tissue remodeling[J]. FASB J, 1991,5 (8) : 2145-2154.
8Tchetverikov I, Lohmander LS, Verzijl N, et al. MMP protein and activity levels in synovial fluid from patients with joint injury, in- flammatory arthritis and osteoarthris[J]. Ann Rheum Dis, 2005, 64(7) : 694-698.
9Pelletier JP, Lascau Coman V,Jovanocic D, et al. Selective inhibi- tion of inducible nitric oxide synthase in experimental osteoarthri- tis is associated with reduction in tissue levels of catabolic factors [J]. J Rheumatol,1999,26(9) :2002-2014.