| 2008 | Clinical significance of distal colon polyps for the prediction of an advanced proximal neoplasm: The KASID prospective multicenter study | 정성애 | Article |
| 2008 | Clinicopathologic characteristics and malignant potential of colorectal flat neoplasia compared with that of polypoid neoplasia | 정성애 | Article |
| 2009 | Colorectal neoplasm in asymptomatic average-Risk Koreans: The KASID prospective multicenter colonoscopy survey | 정성애 | Article |
| 2011 | Criteria for decision making after endoscopic resection of well-differentiated rectal carcinoids with regard to potential lymphatic spread | 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 |
| 2006 | Diagnostic yield of advanced colorectal neoplasia at colonoscopy, according to indications: An investigation from the Korean Association for the Study of Intestinal Diseases (KASID) | 정성애 | 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 |
| 2022 | Efficacy and safety of split-dose bowel preparation with 1 L polyethylene glycol and ascorbate compared with 2 L polyethylene glycol and ascorbate in a Korean population: a phase IV, multicenter, randomized, endoscopist-blinded study | 정성애 | Article |
| 2014 | Long-term outcome of capsule endoscopy in obscure gastrointestinal bleeding: A nationwide analysis | 심기남 | Article |
| 2014 | Portal hypertensive enteropathy diagnosed by capsule endoscopy in cirrhotic patients: A nationwide multicenter study | 심기남 | 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 |
| 2006 | Risk factors for immediate postpolypectomy bleeding of the colon: A multicenter study | 정성애 | Article |
| 2010 | The prevalence of colorectal neoplasia in patients with gastric cancer: A korean association for the study of intestinal disease (KASID) study | 심기남 | Article |
