| 2005 | Pathophysiology and treatment of functional dyspepsia. | 이광재 |
| 2004 | Pathophysiology of functional dyspepsia. | 이광재 |
| 2008 | Pepsin detection in the sputum/saliva for the diagnosis of gastroesophageal reflux disease in patients with clinically suspected atypical gastroesophageal reflux disease symptoms. | 이광재, 여말희, 조성원 |
| 2015 | Pharmacologic Agents for Chronic Diarrhea. | 이광재 |
| 2015 | Pharmacologic treatment for inflammatory bowel disease | 이광재 |
| 2009 | Plasma ghrelin levels and their relationship with gastric emptying in patients with dysmotility-like functional dyspepsia. | 이광재, 여말희, 조성원 |
| 1997 | Possibility of chemoprevention by the eradication of Helicobacter pylori: oxidative DNA damage and apoptosis in H. pylori infection. | 함기백, 이광재, 김진홍, 조성원, 임현이 |
| 2011 | Practice pattern of gastroenterologists for the management of GERD under the minimal influence of the insurance reimbursement guideline: a multicenter prospective observational study. | 이광재 |
| 2013 | Preoperative colonoscopy for detection of synchronous neoplasms after insertion of self-expandable metal stents in occlusive colorectal cancer: comparison of covered and uncovered stents. | 임선교, 이광재, 서광욱, 오승엽, 김순선, 유준환 |
| 2014 | Preoperative Localization of Early Colorectal Cancer or a Malignant Polyp by Using the Patient’s Own Blood | 김도윤, 오승엽, 이광재, 서광욱 |
| 2009 | Prevalence and risk factors for overlaps between gastroesophageal reflux disease, dyspepsia, and irritable bowel syndrome: a population-based study. | 이순영, 이광재, 김수정, 조성원 |
| 2005 | Prevalence of acid reflux in functional dyspepsia and its association with symptom profile. | 이광재 |
| 2013 | Prevalence of asymptomatic erosive esophagitis and factors associated with symptom presentation of erosive esophagitis.[ | 이광재, 김광민, 임선교 |
| 2010 | Prevalence of Barrett's esophagus remains low in the Korean population: nationwide cross-sectional prospective multicenter study. | 이광재 |
| 2006 | Prevalence of ineffective esophageal motility and its relevance to symptoms and esophageal acid exposure in korean patients referred for foregut symptoms. | 이광재, 김진홍, 조성원 |
| 2008 | Prospective Evaluation of Ultrathin Transnasal Esophagogastroduodenoscopy: Its Feasibility, Safety and Tolerance | 정성현, 황재철, 신성재, 정재연, 이기명, 유병무, 이광재, 김진홍 |
| 2004 | Protective mechanism of epigallocatechin-3-gallate against Helicobacter pylori-induced gastric epithelial cytotoxicity via the blockage of TLR-4 signaling. | 이기명, 정재연, 이광재, 김진홍, 함기백 |
| 2013 | Proteomic identification of proteins suggestive of immune-mediated response or neuronal degeneration in serum of achalasia patients. | 임선교, 이광재 |
| 2009 | Quality of life of patients with irritable bowel syndrome in Korea. | 이광재 |
| 1998 | Quantitative and qualitative usefulness of rebamipide in eradication regimen of Helicobacter pylori. | 함기백, 이광재, 김영수, 김진홍, 조성원, 임현이, 주희재 |
| 2000 | Randomized trial of N-butyl-2-cyanoacrylate compared with injection of hypertonic saline-epinephrine in the endoscopic treatment of bleeding peptic ulcers. | 이광재, 김진홍, 함기백, 조성원 |
| 2015 | Randomized, Controlled, Multi-center Trial: Comparing the Safety and Efficacy of DA-9701 and Itopride Hydrochloride in Patients With Functional Dyspepsia. | 이광재 |
| 2006 | Relationship of underlying abnormalities in rectal sensitivity and compliance to distension with symptoms in irritable bowel syndrome. | 이광재, 김진홍, 조성원 |
| 2012 | Risk factors for perforations associated with endoscopic submucosal dissection in gastric lesions: emphasis on perforation type | 유준환, 신성재, 이기명, 김동훈, 임선교, 황재철, 정재연, 유병무, 이광재, 김진홍, 조성원 |
| 2011 | Role of corticotrophin-releasing factor in the stress-induced dilation of esophageal intercellular spaces | 김장희, 임현이, 이다미, 임선교, 이광재 |
| 2001 | Self-expanding coil stent with a long delivery system for palliation of unresectable malignant gastric outlet obstruction: a prospective study. | 김진홍, 유병무, 이광재, 함기백, 조성원 |
| 2006 | Short-term effects of magnetic sacral dermatome stimulation for idiopathic slow transit constipation: sham-controlled, cross-over pilot study. | 이광재, 김진홍, 조성원 |
| 2010 | Stress-induced alterations in mast cell numbers and proteinase-activated receptor-2 expression of the colon: role of corticotrophin-releasing factor. | 김장희, 김영배, 이광재 |
| 2010 | Study on Association between an H-RAS Gene Polymorphism and Gastric Cancer Development | 이광재, 조성원 |
| 2011 | Study on Association between Single Nucleotide Polymorphisms of MMP7, MMP8, MMP9 Genes and Development of Gastric Cancer and Lymph Node Metastasis | 이광재, 조성원 |
| 1999 | Tc-99m MIBI SPECT is useful for noninvasively predicting the presence of MDR1 gene-encoded P-glycoprotein in patients with hepatocellular carcinoma. | 김영수, 조성원, 이광재, 함기백, 왕희정, 임현이, 진윤미, 박찬희 |
| 2008 | The alteration of enterochromaffin cell, mast cell, and lamina propria T lymphocyte numbers in irritable bowel syndrome and its relationship with psychological factors. | 이광재, 김영배, 김장희, 조성원 |
| 2014 | The clinical characteristics of colonic pseudo-obstruction and the factors associated with medical treatment response: a study based on a multicenter database in Korea. | 이광재 |
| 2013 | The effect of acute auditory stress on gastric motor responses to a meal in healthy volunteers. | 안영실, 강준구, 유준환, 이광재 |
| 2017 | The Effect of Acute Stress on Esophageal Motility and Gastroesophageal Reflux in Healthy Humans | 노충균, 이광재 |
| 2010 | The loss of phenol sulfotransferase 1 in hepatocellular carcinogenesis. | 여말희, 김영배, 왕희정, 정재연, 이광재, 조성원 |
| 2017 | The NO/cGMP pathway in duodenal motor, mechano- and chemosensory responses to acid: A randomized, placebo-controlled study with sildenafil in healthy volunteers | 이광재 |
| 2006 | The Relevance of Plasma Leptin Levels to Dysmotility-Like Functional | 한종대, 이광재, 김진홍, 조성원 |
| 1997 | The usefulness of Tc-99m HMPAO labeled WBC SPECT in eosinophilic gastroenteritis. | 이광재, 함기백, 김연수, 김진홍, 조성원, 박찬희, 임현이 |
| 2012 | Treatment of fecal incontinence | 이광재 |
| 2011 | Treatment of Irritable Bowel Syndrome | 이광재 |
| 2015 | Underlying Mechanisms and Management of Refractory Gastroesophageal Reflux Disease | 이광재 |
| 2012 | Updated Guidelines 2012 for Gastroesophageal Reflux Disease | 이광재, 신인순, 한상욱 |
