title: Colonoscopy and missed colon cancers.
authors.forename: D E
authors.initials: DE
authors.lastname: Langdon
mesh_terms: D003110:Colonic Neoplasms / Q000175:diagnosis*; D003113:Colonoscopy / Q000009:adverse effects / Q000379:methods*; D006801:Humans; D010146:Pain / Q000209:etiology