Ahmed A. Alsaddique1, Colin F. Royse2, Mohammed A. Fouda3 and Alistair G. Royse4 1Professor of Cardiac Surgery King Fahad Cardiac Center, College of Medicine, King Saud University, Riyadh, 2Professor of Anaesthesia and Pain Management Unit Department of Pharmacology, University of Melbourne 3Professor of Cardiac Surgery King Fahad Cardiac Center, College of Medicine, King Saud University, Riyad...
