8Johansson N,Ahonen M,Kahari VM.Matrix metaloproteinases in tumor invasion.Cell Mol Life Sci,2000,57:5-15.
9Visse R,Nagase H.Matrix metaloproteinases and tissue inhibitors of metaloproteinases:structure,function,and biochemistry.Circ Res,2003,92:827-839.
10Nagel H, Laskawi R, Wahlers A, et al. Expression of matrix metalloproteinases MMP-2, MMP-9 and their tissue inhibitors TIMP-I, -2, and -3 in benign and malignant tumours of the salivary gland. Histopathology, 2004,44:222-231.
