| 2015 | Clinicopathologic factors and molecular markers related to lymph node metastasis in early gastric cancer | 정성애; 심기남 | Article |
| 2014 | Clinicopathological characteristics and prognosis of signet ring cell carcinoma of the stomach | 정성애; 정혜경; 심기남; 김성은 | Article |
| 2011 | [Clinicopathological characteristics of gastric cancer and survival improvement by surgical treatment in the elderly]. | 문일환; 유권; 정성애; 정혜경; 심기남; 김태헌; 김성은; 태정현 | Article |
| 2009 | Colorectal neoplasm in asymptomatic average-Risk Koreans: The KASID prospective multicenter colonoscopy survey | 정성애 | Article |
| 2017 | Comparing the clinical outcomes of young-onset and adult-onset ulcerative colitis: a multi-center Korean Association for the Study for Intestinal Diseases study | 정성애 | Article |
| 2015 | Comparison between the effectiveness of oral phloroglucin and cimetropium bromide as premedication for diagnostic esophagogastroduodenoscopy: An open-label, randomized, comparative study | 정성애; 정혜경; 심기남; 김성은 | Article |
| 2009 | Comparison of clinical characteristics and outcomes between geriatric and non-geriatric patients in peptic ulcer bleeding | 문일환; 유권; 정성애; 심기남; 김성은 | Article |
| 2017 | Comparison of clinical outcomes after endoscopic submucosal dissection and surgery in the treatment of early gastric cancer: A single-institute study | 정성애; 조민선; 정혜경; 이주호; 심기남; 김성은; 문창모 | Article |
| 2016 | Comparison of clinical outcomes between young and adult-onset ulcerative colitis: a multicentre KASID study | 정성애 | Meeting Abstract |
| 2002 | Comparison of oral omeprazole and endoscopic ethanol injection therapy for prevention of recurrent bleeding from peptic ulcers with nonbleeding visible vessels or fresh adherent clots | 문일환; 유권; 정성애 | 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 |
| 2007 | Contribution of nasal methicillin-resistant Staphylococcus aureus colonization to percutaneous endoscopic gastrostomy site infection and risk factors of wound infection | 유권; 정성애; 최희정; 심기남; 김태헌 | Article |
| 2011 | Criteria for decision making after endoscopic resection of well-differentiated rectal carcinoids with regard to potential lymphatic spread | 정성애 | Article |
| 2018 | Crohn's Disease with Jejunal Involvement as a Predictor of Long-Term Clinical Outcomes | 정성애 | Editorial Material |
| 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 |
| 2013 | Determinants of symptoms in gastroesophageal reflux disease: Nonerosive reflux disease, symptomatic, and silent erosive reflux disease | 정성애; 정혜경; 심기남 | Article |
| 2016 | Development, validation and clinical application of a novel tool to measure disease-related knowledge in patients with inflammatory bowel disease: IBD-KNOW | 정성애 | Meeting Abstract |
| 2019 | Development, validation, and application of a novel tool to measure disease-related knowledge in patients with inflammatory bowel disease | 정성애 | Article |
| 2011 | Development, validation, and responsiveness of a novel disease activity index for intestinal Behcet's disease | 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 |
| 2012 | Differential diagnosis of inflammatory bowel disease: What is the role of colonoscopy? | 정성애 | Review |
| 2002 | Differential expression of transforming growth factor-beta receptors in the liver of rats with acinar zonal hepatic fibrosis. | 정성애 | Meeting Abstract |
| 2019 | Diffuse splenic FDG uptake is predictive of clinical outcomes in patients with rectal cancer | 정성애; 정혜경; 심기남; 김성은; 김범산; 문창모; 윤혜전; 임지영; 태정현 | Article |
| 2010 | Effect of probiotic lactobacillus (Lacidofil® Cap) for the prevention of antibiotic-associated diarrhea: A prospective, randomized, double-blind, multicenter study | 정성애; 박혜숙; 김성은 | Article |
| 2007 | Effects of pelvic floor muscle contraction on anal canal pressure | 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 |
| 2008 | Efficacy of levofloxacin-based triple therapy as second-line Helicobacter pylori eradication | 유권; 정성애; 심기남 | Article |
| 2009 | Electron Microscopic Study of Patients with Ulcerative Colitis by Colonosocopic Biopsy | 문일환; 유권; 정성애; 정혜경; 심기남; 김성은; 송동은 | Meeting Abstract |
