6Terato K,Nagal Y,Kawanishi K,et al.A rapid assay method of collagenase activity using14 C-labeled soluble collagen as substrate[J].Biochimc Biophy Acta,1976,445:753
7Bond m d,auld d s,lobb r r,et al.A conveninent fluorescent assay for vertebrate collagenase[J].Anal Biochem,1986,155:315
8Imanuel Bergman,Roy Loxley.Two improved and simplified methods for the spctrophotometric determination of hydroxyproline[J].Analytical chemistry,1963,35(12):1 961-1 965
9Golub L M,Wolff M,Lee H M,et al.Further evidence that tetracyclines inhibit collagenase activity in human crevicular fluid and from other mammalian source[J].J Periodontal Res,1985,20:12
10Golub L M,Lee H M,Lehrer G,et al.Minocycline reduces gingival collagenolytic activity during diabetes,preliminary observations and a proposed new mechanism of action[J].J Periodontal Res,1983,18:516
