Arab Journal of Gastroenterology (2013) - Comments
pubmed: 23820499  doi: 10.1016/j.ajg.2013.05.002  issn: 2090-2387  issn: 1687-1979 

---

Ayman Yosry Abd El Rihim, Rabab Fouad Omar, Waleed Fathalah, Inas El Attar, Hanan Abdel Hafez, Wesam Ibrahim