| 2023 | 2022 Seoul Consensus on Clinical Practice Guidelines for Functional Constipation | 정혜경 | Article |
| 2014 | Achalasia in Korea: An epidemiologic study using a national healthcare database | 정혜경 | Article |
| 2010 | Antipsychotic effects of quetiapine in naturalistic long term follow up study | 임원정 | Article |
| 2011 | Associations between single nucleotide polymorphisms of MMP2, VEGF, and HIF1A genes and the risk of developing colorectal cancer | 문일환; 이선영; 유권; 정성애; 정혜경; 심기남; 김태헌; 김성은 | Article |
| 2008 | Brown bowel syndrome that developed after total gastrectomy - A case report | 조민선; 정혜경 | Article |
| 2020 | Clinical Guidelines for Drug-induced Peptic Ulcer, 2020 Revised Edition | 정혜경 | Review |
| 2020 | Clinical Guidelines for Drug-Related Peptic Ulcer, 2020 Revised Edition | 정혜경 | Review |
| 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 |
| 2014 | Clinical practice guidelines for gastric cancer in Korea: An evidence-based approach | 정혜경; 김용일 | Article |
| 2018 | Clinical practice guidelines for irritable bowel syndrome in korea, 2017 revised edition | 정혜경 | Review |
| 2014 | Clinicopathological characteristics and prognosis of signet ring cell carcinoma of the stomach | 정성애; 정혜경; 심기남; 김성은 | Article |
| 2003 | Colonic transit time in diabetic patients - Comparison with healthy subjects and the effect of autonomic neuropathy | 문일환; 홍영선; 정혜경 | 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 |
| 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 |
| 2020 | Comparison of subjective quality of life after endoscopic submucosal resection or surgery for early gastric cancer | 정혜경; 심기남; 태정현 | 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 |
| 2012 | Constipation is also an important cause of fecal incontinence in old people: Author's reply | 정혜경 | Letter |
| 2014 | Current status of functional dyspepsia in Korea | 정혜경 | Review |
| 2013 | Determinants of symptoms in gastroesophageal reflux disease: Nonerosive reflux disease, symptomatic, and silent erosive reflux disease | 정성애; 정혜경; 심기남 | Article |
| 2013 | Development and validation of the korean rome III questionnaire for diagnosis of functional gastrointestinal disorders | 정혜경 | Article |
| 2022 | Development and Validity Assessment of a Self-evaluation Questionnaire for Functional Dyspepsia: A Multicenter Prospective Study in Korea | 정혜경; 태정현 | Article |
| 2010 | Diarrhea-predominant irritable bowel syndrome is associated with diverticular disease: A population-based study | 정혜경 | Article |
| 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 |
| 2014 | Does the Difference of Invasiveness between Totally Laparoscopic Distal Gastrectomy and Laparoscopy-Assisted Distal Gastrectomy Lead to a Difference in Early Surgical Outcomes? A Prospective Randomized Trial | 정혜경; 이주호; 심기남; 이현국 | Article in Press |
| 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 |
| 2011 | Epidemiology of gastroesophageal reflux disease in asia: A systematic review | 정혜경 | Review |
| 2014 | Estimating the burden of irritable bowel syndrome: Analysis of a nationwide korean database | 정혜경 | Article |
| 2022 | Fasting Blood Glucose Variability and Unfavorable Trajectory Patterns Are Associated with the Risk of Colorectal Cancer | 정성애; 정혜경; 심기남; 김성은; 이지은; 문창모; 이혜아 | Article |
| 2014 | Guidelines for the diagnosis and treatment of Helicobacter pylori infection in Korea, 2013 revised edition | 정혜경 | Review |
