PubMed:: "Matrix Metalloproteinase 9"[Mesh] OR "matrix metalloproteinase 9"[tiab] OR "matrix metalloproteinase nine"[tiab] OR "matrixmetalloproteinase 9"[tiab] OR "matrixmetalloproteinase nine"[tiab] OR mmp9[tiab] OR "mmp 9"[tiab];; Embase.com:: 'gelatinase b'/exp OR 'matrix metalloproteinase 9':ab,ti OR 'matrix metalloproteinase nine':ab,ti OR 'matrixmetalloproteinase 9':ab,ti OR 'matrixmetalloproteinase nine':ab,ti OR mmp9:ab,ti OR 'mmp 9':ab,ti OR gelatinaseb:ab,ti OR 'gelatinase b':ab,ti
