Affiliation: | 1. Kayyali Chair for Pharmaceutical Industry, Pharmaceutical Technology Center, College of Pharmacy, King Saud University, Riyadh, Kingdom of Saudi Arabiaialsarra@ksu.edu.sa;3. Kayyali Chair for Pharmaceutical Industry, Pharmaceutical Technology Center, College of Pharmacy, King Saud University, Riyadh, Kingdom of Saudi Arabia;4. Gastroenterology Division, Department of Medicine, Riyadh Military Hospital, Riyadh, Saudi Arabia |