4Commiskey S,Fan LW,Ho IK,et al.Butorphanol:effects of a prototypical agonist-antagonist analgesic on kappa-opioid receptors[J].J Pharmacol Sci,2005,98(2):109-116.
3Chemik DA,Gllings D,Laine H,et all.Validity and reliability of the observer's assessment of alertness/sedation scale study with intravenous inidazolam.J Clin Psychophamacol,1990,10:244-245.