| 2007 | Can we predict spontaneous capsule passage after retention? A nationwide study to evaluate the incidence and clinical outcomes of capsule retention | 심기남 | Article |
| 2010 | Capsule endoscopy in small bowel tumors: A multicenter Korean study | 심기남 | Article |
| 2007 | Comparison of postpolypectomy bleeding between epinephrine and saline submucosal injection for large colon polyps by conventional polypectomy: A prospective randomized, multicenter study | 정성애 | Article |
| 2011 | Criteria for decision making after endoscopic resection of well-differentiated rectal carcinoids with regard to potential lymphatic spread | 정성애 | Article |
| 2015 | Cytokine expression of microscopic colitis including interleukin-17 | 구혜수; 정성애 | Article |
| 2012 | Cytomegalovirus infection in patients with new onset ulcerative colitis: A prospective study | 정성애 | Article |
| 2011 | Diagnostic utility of anti-Saccharomyces cerevisiae antibody (ASCA) and Interferon-? assay in the differential diagnosis of Crohn's disease and intestinal tuberculosis | 정성애 | Article |
| 2017 | Diagnostic Yield and Clinical Impact of Video Capsule Endoscopy in Patients with Chronic Diarrhea: A Korean Multicenter CAPENTRY Study | 심기남 | Article |
| 2016 | Efficacy and safety of infliximab therapy and predictors of response in korean patients with crohn’s disease: A nationwide, multicenter study | 정성애 | Article |
| 2016 | Factors contributing to the preference of Korean patients with Crohn's disease when selecting an anti-tumor necrosis factor agent (Choice study) | 정성애 | Article |
| 2014 | Genome-wide association study of Crohn's disease in Koreans revealed three new susceptibility loci and common attributes of genetic susceptibility across ethnic populations | 정성애 | Article |
| 2013 | Incidence and clinical features of Clostridium difficile infection in Korea: A nationwide study | 정성애 | Article |
| 2010 | Inter-observer agreement on the interpretation of capsule endoscopy findings based on capsule endoscopy structured terminology: A multicenter study by the Korean gut image study group | 심기남 | Article |
| 2013 | Learning curve of capsule endoscopy | 김성은 | Article |
| 2014 | Long-term outcomes of cytomegalovirus reactivation in patients with moderate to severe ulcerative colitis: A multicenter study | 정성애 | Conference Paper |
| 2015 | Meta-analysis of predictive clinicopathologic factors for lymph node metastasis in patients with early colorectal carcinoma | 정성애; 심기남 | Article |
| 2020 | Multidisciplinary and multisociety practice guideline on reprocessing flexible gastrointestinal endoscopes and endoscopic accessories: Korean association for the study of the liver, the korean society of infectious diseases, korean college of helicobacter and upper gastrointestinal research, the korean society of gastroenterology, korean society of gastrointestinal cancer, korean society of neurogastroenterology and motility, korean association for the study of intestinal diseases, korean pancreatobiliary association, the korean society of gastrointestinal endoscopy nurses and associates and korean society of gastrointestinal endoscopy | 윤원재 | Review |
| 2022 | Perspectives of East Asian patients and physicians on complementary and alternative medicine use for inflammatory bowel disease: Results of a cross-sectional, multinational study | 정성애; 태정현 | Article |
| 2011 | Prospective evaluation of the clinical utility of interferon-γ assay in the differential diagnosis of intestinal tuberculosis and Crohn's disease | 정성애 | Article |
| 2014 | Stricture occurring after endoscopic submucosal dissection for esophageal and gastric tumors | 정성애 | Article |
| 2012 | The prevalence and efficacy of ganciclovir on steroid-refractory ulcerative colitis with cytomegalovirus infection:a prospective multicenter study | 정성애 | Article |
