title: Indications for colonoscopy.
authors.forename: J H
authors.initials: JH
authors.lastname: Bortz
mesh_terms: D001466:Barium Sulfate; D003108:Colonic Diseases / Q000175:diagnosis*; D003113:Colonoscopy / Q000009:adverse effects; D004733:Enema; D006801:Humans; D012004:Rectal Neoplasms / Q000175:diagnosis; D012812:Sigmoidoscopy
chemical_list: D001466:Barium Sulfate