a clinical COMpARISON OF PROLONGED SEVOFLURANE VERSUS ISOFLURANE ANESTHESIA Research Abstract elminia med bull vol 14 no 1 jan 2003 Research Authors mohamed S Hassanein*, Hatem HM Maghraby*, Abdel Hameed HElbaz*, Fatma G Askar* and Tarek A El Gamal Research Department Department of Anesthesia and Intensive Care Research Member Mohamed Sayed Hasanein Omar