title: Current world literature.
mesh_terms: D000776:Anesthesiology; D020927:Dexmedetomidine; D004636:Emergency Service, Hospital; D016099:Endoscopy, Gastrointestinal; D006801:Humans; D006993:Hypnotics and Sedatives; D009407:Nerve Block / Q000379:methods; D010146:Pain / Q000517:prevention & control; D059408:Pain Management; D015742:Propofol
chemical_list: D006993:Hypnotics and Sedatives; D020927:Dexmedetomidine; D015742:Propofol