citation journal title = Diseases of the Colon amp Rectum citation issn = 00123706 citation volume = 49 citation issue = 8 citation doi = 101007/s1035000605880 citation firstpage = 1184 citation lastpage = 1192 citation publication date = 2006/08/01 citation title = Cyclooxygenase2 Expression Correlates With Membranetype1 Matrix Metalloproteinase Expression in Colorectal Cancer Tissue