| 2018 | Clinical practice guidelines for irritable bowel syndrome in korea, 2017 revised edition | 정혜경 | Review |
| 2003 | Clinical significance of serum CA 125 in patients with chronic liver diseases | 문일환; 유권; 정혜경 | Article |
| 2001 | Clinical significance of serum p53 protein in patients with pancreatic carcinoma | 이선영; 정혜경 | Meeting Abstract |
| 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 |
| 2007 | Colonic diverticular disease and diarrhea-predominant irritable bowel syndrome: An etiological link? | 정혜경 | Meeting Abstract |
| 2003 | Colonic transit time in diabetic patients - Comparison with healthy subjects and the effect of autonomic neuropathy | 문일환; 홍영선; 정혜경 | Article |
| 2019 | Comparative efficacy of per-oral endoscopic myotomy and Heller myotomy in patients with achalasia: a meta-analysis | 정혜경 | Review |
| 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 |
| 2004 | Comparison of midazolam versus midazolam/meperidine during colonoscopy in a prospective, randomized, double-blind study | 정혜경 | 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 |
| 2019 | Degranulated Eosinophils Contain More Fine Nerve Fibers in the Duodenal Mucosa of Patients With Functional Dyspepsia | 정혜경; 문영철; 박상희 | Article |
| 2013 | Determinants of symptoms in gastroesophageal reflux disease: Nonerosive reflux disease, symptomatic, and silent erosive reflux disease | 정성애; 정혜경; 심기남 | Article |
| 2018 | Development and Psychometric Assessment of a Self-evaluation Questionnaire for Gastroesophageal Reflux Disease | 정혜경 | 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 |
| 2023 | Development of functional gastrointestinal disorder symptoms following laparoscopic cholecystectomy: a prospective cohort study | 정성애; 정혜경; 심기남; 민석기; 김성은; 문창모 | Article |
| 2010 | [Diagnosis of functional dyspepsia: a systematic review]. | 정혜경 | Review |
| 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 |
| 2003 | Effects of gender and menstrual cycle on colonic transit time in healthy subjects. | 문일환; 정혜경 | Article |
| 2023 | Efficacy and safety of HIP1601 (dual delayed-release esomeprazole) 40 mg in erosive esophagitis compared to HGP1705 (delayed-release esomeprazole) 40 mg: a multicenter, randomized, double-blind, non-inferiority study | 정혜경 | Article |
| 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 |
| 2009 | Electron Microscopic Study of Patients with Ulcerative Colitis by Colonosocopic Biopsy | 문일환; 유권; 정성애; 정혜경; 심기남; 김성은; 송동은 | Meeting Abstract |
