Abaalkhail Faisal, Elsiesy Hussien, AlOmair Ahmed, Alghamdi Mohammed Y, Alalwan Abduljaleel, AlMasri Nasser, Al-Hamoudi Waleed
Department of Liver and Small Bowel Transplantation, King Faisal Specialist Hospital and Research Center; Gastroenterology Unit, College of Medicine, King Saud University, Riyadh, Saudi Arabia.
Saudi J Gastroenterol. 2014 Jan-Feb;20(1):5-25. doi: 10.4103/1319-3767.126311.