title: Collagenase activity in rectal and colonic biopsies.
mesh_terms: D001706:Biopsy; D003093:Colitis, Ulcerative / Q000201:enzymology*; D003106:Colon / Q000201:enzymology*; D003110:Colonic Neoplasms / Q000201:enzymology*; D006801:Humans; D003012:Microbial Collagenase / Q000378:metabolism*; D012004:Rectal Neoplasms / Q000201:enzymology*; D012007:Rectum / Q000201:enzymology*
chemical_list: D003012:Microbial Collagenase