4[2]Scott LI, Perry CM. Tramadol: a review of its use iu perioperative pain. Drugs,2000,60:139-176.
5[3]Dayer P, Collart I, Desmeules J. The pharmacology of tramadol. Drugs, 1994,47(Suppl 1):3-7.
6[4]Lee CR, McTavish D,Sorkin EM. Tramadol: a preliminary review of its pharmacodynamic and pharmacokinetic properties,and therapeutie potential in acute and chronic pain states. Drugs,1993,46:313-340.
7[5]Bamigbade TA, Iangford RM. The clinical use of tramadol. Pain Reviews, 1998,5:155-182.
8[6]EL-Borolossy K. The potential constipating effect of tramaelol hydroclonde in experimental animals in compariscon to morphine. 7th World Congress on Pain, 1993, Aug 22-27.
9Fredrikson M, Hursti T, Furst CJ, et al. Nausea in cancer chemotherapy is inversely related to urinary cortisol excretion.Br J Cancer, 1992,65:779-780.
10Livrea P, Trojano M,Simone IL, et al. Acute changes in bloodCSF barrier permselectivity to serum proteins after intrathecal methotrexate and CNS irradiation. J Neurol, 1985,231 : 336-339.
8Lehrer P, Vaschillo E, Lu S E,et al. Heart rate variability bio-feedback:effects of age on heart rate variability, baroreflexgain, and asthma [ J]. Chest, 2006,129 ( 2 ) : 278-284.
9Fujiwara W, Kurokawa S, Asakura Y,et al. Correlationbetween heart rate variability and haemodynamic fluctuationduring induction of general anaesthesia:comparison between linear and non-linear analysis[ J]. Anaesthesia ,2007,62 (2) : 117-121.