title: Value of endoscopic mucosal biopsies in normal-appearing colonic mucosa.
authors.affiliation: Massachusetts General Hospital, Boston, MA.
authors.forename: Harland
authors.initials: H
authors.lastname: Winter
authors.forename: Melvin
authors.initials: M
authors.lastname: Heyman
mesh_terms: D003106:Colon / Q000473:pathology*; D003113:Colonoscopy / Q000379:methods*; D006801:Humans; D015212:Inflammatory Bowel Diseases / Q000473:pathology*; D007413:Intestinal Mucosa / Q000473:pathology*