2Zalunardo MP, Zollinger A, Spahn DR, et al. Effects of intravenous and oral clonidine on hemodynamic and plasma-catecholamine response due to endotracheal intubation. J Clin Anesth, 1997,9:143-147.
3Imai Y, Mammoto T, Murakami K, et al. The effects of preanesthetic oral clonidine on total requirement of propofol for general anesthesia. J Clin Anesth, 1998,10: 660-665.
5Alexander SL, Irvine CH. The effect of the alpha-2-adreergic agonist,clonidine, on secretion patterns and rates of adrenocorticotropic hormone and its secretagogues in the horse. J Neuroendocrinal, 2000, 12: 874-880.
6Gold MS, de Crosta D, Rizzuto C, et al. The effect of lumber epidural and general. anesthesia on plasma catecholamine and hemodynamic during abdominal aortic aneurysm repair . Anesth Analg, 1994,78: 225-230.
7Stevens RA, Artuso JD, Kao TC, et, al. Changes in human plasma catecholamine concentrations during epidural anesthesia depend on the level of t block. Anesthesiology, 1991,74:1029-1034.
9Casati A,Albertin A,Danelli G,et al.Implamenting sevoflurane anesthesia with small doses opium for upper abdominal surgery.Postoperative respiratory function after either remifentanil or fentanyl.Minerva Anestesiol,2001,67:621-628.
10Shajar MA,Thompson JP,Hall AP,et al.Effect of a remifentanil bolus dose on the cardiovascular response to emergence from anaesthesia and tracheal extubation.Br J Anaesth,1999,83:654-656.
