This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Zohreh Bari
Fellow of Gastroenterology, Mazandaran University of Medical Sciences, Sari, Iran
Hafez Fakheri
Professor of Gastroenterology, Inflammatory Diseases of the Upper Gastrointestinal Tract Research Center, Mazandaran University of Medical Sciences, Sari, Iran
Hossein Sardarian
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