Alimadadi , Mehdi, Seyedali Seyedmajidi, Sina Safamanesh, Elena Zanganeh, Seyed Ashkan Hosseini, Shahin Hajiebrahimi, and Mohammadreza Seyyedmajidi. “Preoperative Esophagogastroduodenoscopy Findings and Effects on Laparoscopic Roux-En-Y Gastric Bypass in Area With High Prevalence of Helicobacter Pylori Infection: Multi-Center Experience in Iran”. Gastroenterology and Hepatology from Bed to Bench 15, no. 1 (January 30, 2022). Accessed August 12, 2022. https://journals.sbmu.ac.ir/ghfbb/index.php/ghfbb/article/view/2338.