Document Type : Original Article
Authors
1 Department of Anesthesiology and Center Care , Faculty of Midicine , Sohag University.
2 Department , of Anesthesiology , Faculty of Medicine, Cairo University
3 Department,of Neurosurgery and Spine Institute of Oncology , Cairo , University
4 Department , of Anesthesiology, Faculty of Medicine, Sohag University
Abstract
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