| 2014 | Current status of functional dyspepsia in Korea | 정혜경 | Review |
| 2013 | Development and validation of the korean rome III questionnaire for diagnosis of functional gastrointestinal disorders | 정혜경 | Article |
| 2014 | Efficacy and safety of tiropramide in the treatment of patients with irritable bowel syndrome: A multicenter, randomized, double-blind, non-inferiority trial, compared with octylonium | 정혜경 | Article |
| 2016 | Efficacy of da-9701 (motilitone) in functional dyspepsia compared to pantoprazole: A multicenter, randomized, double-blind, non-inferiority study | 정혜경 | Article |
| 2009 | Extracolonic findings of computed tomographic colonography in Koreans | 심기남 | Article |
| 2013 | Incidence and clinical features of Clostridium difficile infection in Korea: A nationwide study | 정성애 | Article |
| 2015 | Meta-analysis of predictive clinicopathologic factors for lymph node metastasis in patients with early colorectal carcinoma | 정성애; 심기남 | Article |
| 2008 | Normal ambulatory 24-hour esophageal pH values in Koreans-A multicenter study- | 심기남 | Article |
| 2010 | Prevalence of Barrett's esophagus remains low in the korean population: Nationwide cross-sectional prospective multicenter study | 심기남 | Article |
| 2014 | Prevalence of Uninvestigated Dyspepsia and Gastroesophageal Reflux Disease in Korea: A Population-Based Study Using the Rome III Criteria | 정혜경 | Article in Press |
| 2017 | Quality of life, patient satisfaction, and disease burden in patients with gastroesophageal reflux disease with or without laryngopharyngeal reflux symptoms | 정혜경 | Article |
| 2013 | Quantifying exposure to diagnostic radiation and factors associated with exposure to high levels of radiation in korean patients with inflammatory bowel disease | 정성애 | Article |
| 2015 | Sodium picosulfate with magnesium citrate (SPMC) plus laxative is a good alternative to conventional large volume polyethylene glycol in bowel preparation: A multicenter randomized single-blinded trial | 김성은 | Article |
| 2014 | Stricture occurring after endoscopic submucosal dissection for esophageal and gastric tumors | 정성애 | Article |
| 2021 | The effect of metformin in treatment of adenomas in patients with familial adenomatous polyposis | 문창모 | Article |
