title: Letter: Awareness during anaesthesia.
mesh_terms: D000758:Anesthesia; D000771:Anesthesia, Intravenous; D003071:Cognition; D004361:Drug Tolerance; D006801:Humans; D010551:Personality; D011300:Preoperative Care; D013874:Thiopental / Q000494:pharmacology
chemical_list: D013874:Thiopental