4Jones JG. Perception and memory during general anaesthesia. Br J Anaesth, 1994,73:31-37.
5Russell IF. Comparision of wakefulness with two anaesthetic regimens. Br J Anaesth, 1986,58 : 965-968.
6Schultetus RR, Hill CR,Dharamraj CM, et al. Wakefulness during cesarean section after anesthetic induction with ketamine,thiopental,or ketamine and thiopental combined. Anesth Analg.1986,65 : 723-728.
7Olofsen E,Dahan A. The dynamic relationship between end-tidal sevoflurane and isoflurane concentrations and bispectral index and spectral edge frequency of the electroencephalogram. Anesthesiology, 1999,90 : 1345-1353.
8Veselis RA,Reinsel RA,Feshchenko VA, et al. The comparative amnestic effects of midazolam, propofol, thiopental, and fentanyl at equisedative concentrations. Anesthesiology, 1997, 87: 749-764.
9Kehlet H,Dahl JB.Anaesthesia,surgery and challenges for postoperative recovery.Lancet,2003,362:1921-1928.
10Enright PL,McBurnie MA,Bittner V,et al.The 6-min Walk Test:a quick measure of functional status in elderly adults.Chest,2003,123:387-398.
