[1
]
Department of Anaesthesia, Faculty of Medicine, Beni-Suef University, Beni-Suef, Egypt;
Department of Anaesthesia, Pain Medicine and Critical Care, Tallaght University Hospital,
Dublin, Ireland. Electronic address: carnitin7@yahoo.com.
[2
]
Department of Anaesthesia, Faculty of Medicine, Beni-Suef University, Beni-Suef, Egypt.