title: The importance of being negative.
authors.forename: Kate
authors.initials: K
authors.lastname: Leslie
authors.forename: Timothy G
authors.initials: TG
authors.lastname: Short
mesh_terms: D018685:Anesthetics, Inhalation / Q000009:adverse effects*; D056805:Consciousness Monitors; D005260:Female; D006801:Humans; D008297:Male; D008738:Methyl Ethers / Q000009:adverse effects*; D016343:Monitoring, Intraoperative / Q000295:instrumentation*; D009369:Neoplasms / Q000209:etiology*; D000077149:Sevoflurane; D013514:Surgical Procedures, Operative / Q000009:adverse effects*
chemical_list: D018685:Anesthetics, Inhalation; D008738:Methyl Ethers; D000077149:Sevoflurane