title: Premedication for colonoscopy: randomized, double-blind study of glucagon versus placebo.
mesh_terms: D002986:Clinical Trials as Topic; D003106:Colon; D004311:Double-Blind Method; D004724:Endoscopy / Q000379:methods*; D005934:Glucagon / Q000627:therapeutic use*; D006801:Humans; D010919:Placebos; D011292:Premedication
chemical_list: D010919:Placebos; D005934:Glucagon