| 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 |
