Al-Hamoudi Waleed K
Associate Professor, Gastroenterology and Hepatology Unit (59), Department of Medicine, King Saud University, P.O. Box 2925, Riyadh 11461, Saudi Arabia.
Saudi J Gastroenterol. 2014 Nov-Dec;20(6):331-2. doi: 10.4103/1319-3767.145313.