title: Topical anesthesia in endoscopy; a critical evaluation with case reports and survey of current opinion.
authors.forename: M R
authors.initials: MR
authors.lastname: HIMALSTEIN
mesh_terms: D000758:Anesthesia; D000772:Anesthesia, Local; D000776:Anesthesiology; D004724:Endoscopy; D006801:Humans