title: Proceedings: Comparison between collagenase activity in rectal biopsies and plasma carcinoembryonic antigen (CEA) levels in patients with carcinoma of the colon and rectum.
mesh_terms: D001706:Biopsy; D002272:Carcinoembryonic Antigen / Q000032:analysis*; D003110:Colonic Neoplasms / Q000175:diagnosis*; D006801:Humans; D003012:Microbial Collagenase / Q000378:metabolism*; D012004:Rectal Neoplasms / Q000175:diagnosis*
chemical_list: D002272:Carcinoembryonic Antigen; D003012:Microbial Collagenase