7[7]Sandler A N. Update on postoperative pain management. Can J Anaesth 1992, May, 39(5(pt2)): R53-9(43ref.).
8[8]Tejwani GA, Rsttan AK, Gudehithlu KP et al. Modulation of mu.Kappa and delta opioid receptors in the rat brain by isoflurane and enfflurane Neuropbarmacology 1991, Jun; 30(6): 643~649.
9[9] Hayashi Y, Maze M. Alpha 2 adrenoc-eptor agonists and anaesthesia. Br J Anaeath 1993, Jul; 71(1): 108-18(156ref.).
10[10]Cotecchia S, kobilka K, Daniel KW, et al. Multiple second messenger pathways of alpha-adrenergic receptor subtypes expressed in eukaryotic cell. J biol Chem 1990, Jan 5;265(1):63~69.