1Ben-David B,Solomon E,Levin H,et al.Admoni H: Intrathecal fentanyl with small-dose dilute bupivacaine: better anesthesia without prolonging recovery[].Anesthesia and Analgesia.1997
2Vercauteren MP,Coppejans HC,Hoffmann VL,et al.Adriaensen HA: Small- dose hyperbaric versus plain bupivacine during spinal anesthesia for cesarean section[].Anesthesia and Analgesia.1998
3Maves TJ,Gebhart GF.Antinociceptive synergy between intrathecal morphine and lidocaine during visceral and somatic nociceptione in the rat[].Anesthesiology.1992
3Svensson LG, Klepp P, Hinder RA. Spinal cord anesthesia of the baboon comparison with man and implications of spinal cord blood flow during thoraci aortic corss-clamping. A Afr J Surg, 1986, 24:32 - 34.
