title: Premedication and anesthesia for gastrointestinal endoscopy.
mesh_terms: D000779:Anesthetics, Local / Q000008:administration & dosage / Q000009:adverse effects; D004945:Esophagoscopy; D005773:Gastroscopy; D006801:Humans; D011229:Preanesthetic Medication
chemical_list: D000779:Anesthetics, Local