| 2014 | Clinical features and predictors of clinical outcomes in Korean patients with Crohn's disease: A Korean Association for the Study of Intestinal Diseases multicenter study | 정성애 | Article |
| 2020 | Clinical impact of pre-hypertension on the risk of cancer in male and female subjects | 장중현; 정성애; 정혜경; 심기남; 권기환; 편욱범; 김성은; 문창모; 박준범; 이혜아 | Article |
| 2016 | Clinical Outcome of Endoscopic Submucosal Dissection Versus Surgery for Early Gastric Cancer; A Single Institute Experience in Korea | 이선영; 정성애; 정혜경; 이주호; 심기남; 김성은; 문창모; 태정현 | Meeting Abstract |
| 2016 | Clinical outcome of endoscopic submucosal dissection versus surgery for patients with early gastric cancer | 정성애; 정혜경; 이주호; 심기남; 김성은; 문창모; 태정현 | Meeting Abstract |
| 2021 | Clinical Outcomes and Response Predictors of Vedolizumab Induction Treatment for Korean Patients With Inflammatory Bowel Diseases Who Failed Anti-TNF Therapy: A KASID Prospective Multicenter Cohort Study | 정성애 | Article |
| 2022 | Clinical outcomes of acute upper gastrointestinal bleeding according to the risk indicated by Glasgow-Blatchford risk score-computed tomography score in the emergency room | 정성애; 정혜경; 심기남; 김성은; 문창모; 태정현; 변주란; 조현지 | Article |
| 2008 | Clinical significance of distal colon polyps for the prediction of an advanced proximal neoplasm: The KASID prospective multicenter study | 정성애 | Article |
| 2007 | Clinical significance of small colorectal adenoma less than 10mm: The KASID study | 정성애 | Article |
| 2007 | Clinical significance of tissue levels of matrix metalloproteinases and tissue inhibitors of metalloproteinases in gastric cancer | 유권; 정성애; 심기남 | Article |
| 2008 | Clinicopathologic characteristics and malignant potential of colorectal flat neoplasia compared with that of polypoid neoplasia | 정성애 | Article |
| 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 |
| 2019 | Comparison of the diagnostic ability of endoscopic ultrasonography and abdominopelvic computed tomography in the diagnosis of gastric subepithelial tumors | 이주호; 정성애; 정혜경; 심기남; 김성은; 문창모; 임지영; 태정현; 최아름 | 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 |
| 2021 | Cost-Effectiveness, Efficacy, and Safety Analysis of Tailored Therapy in Patients with Helicobacter pylori Infection | 정성애; 심기남; 태정현; 송은미; 박예현; 최아름 | 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 |
| 2023 | Development of functional gastrointestinal disorder symptoms following laparoscopic cholecystectomy: a prospective cohort study | 정성애; 정혜경; 심기남; 민석기; 김성은; 문창모 | Article |
