3Koshy G,Nair S,Nokus EP.Propofol versus midazolam and meperidine for conscious sedation in GI endscopy[J].Am J Gastmenterol,2000,95(6):1476-1479.
4Schwieler L,Delbro DS,Engberg G,et al.The anesthetic agent propofol in teeacts with GABA(B)receptors:an electrophysiological study in rat[J].Life Sci,2003,72(24):2793-2801.