Meo Sultan Ayoub
Professor of Physiology, Department of Physiology, College of Medicine, King Khalid University Hospital, King Saud University, P.O. Box 2925. Riyadh 11461, Saudi Arabia. E-mail:
Saudi J Anaesth. 2013 Oct;7(4):363-4. doi: 10.4103/1658-354X.121039.