title: The use of glucagon during upper gastrointestinal endoscopy.
mesh_terms: D005769:Gastrointestinal Motility / Q000187:drug effects*; D005773:Gastroscopy; D005934:Glucagon / Q000494:pharmacology*; D006801:Humans; D007275:Injections, Intravenous
chemical_list: D005934:Glucagon