Olofsen, E Permutation entropy of the electroencephalogram: a measure of anaesthetic drug effect. [electronic resource] - British journal of anaesthesia Dec 2008 - 810-21 p. digital Publication Type: Journal Article ISSN: 1471-6771 Standard No.: 10.1093/bja/aen290 doi Subjects--Topical Terms: AlgorithmsAnesthetics, General--pharmacologyAnesthetics, Inhalation--pharmacologyAnesthetics, Intravenous--pharmacologyArtifactsBlinking--physiologyConsciousness--drug effectsElectroencephalography--drug effectsEntropyHumansMethyl Ethers--pharmacologyMonitoring, Intraoperative--methodsPropofol--pharmacologySevofluraneSignal Processing, Computer-Assisted