| 2023 | | Efficacy and Safety of Fexuprazan in Patients with Acute or Chronic Gastritis | 이광재 |
| 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 | 이광재 |
| 2023 | | Efficacy and Safety of Infliximab in Intestinal Behçet's Disease: A Multicenter, Phase 3 Study (BEGIN) | 신성재 |
| 2016 | | Efficacy and Safety of Infliximab Therapy and Predictors of Response in Korean Patients with Crohn's Disease: A Nationwide, Multicenter Study | 신성재 |
| 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. | 이광재 |
| 2018 | | Efficacy and Safety of UI05MSP015CT in Functional Dyspepsia: A Randomized, Controlled Trial | 이기명 |
| 2012 | | Efficacy and tolerability of peginterferon alpha plus ribavirin in the routine daily treatment of chronic hepatitis C patients in Korea: a multi-center, retrospective observational study | 정재연, 조성원 |
| 2023 | | Efficacy of Co-Medications in Patients with Alcoholic Liver Disease | 박래웅, 정재연 |
| 2015 | | Efficacy of combination therapy with probiotics and mosapride in patients with IBS without diarrhea: a randomized, double-blind, placebo-controlled, multicenter, phase II trial. | 이광재 |
| 2016 | | Efficacy of DA-9701 (Motilitone) in Functional Dyspepsia Compared to Pantoprazole: A Multicenter, Randomized, Double-blind, Non-inferiority Study | 이광재 |
| 2011 | | Efficacy of Endoscopic Ultrasonography for Prediction of Tumor Depth in Gastric Cancer | 안창욱, 이기명, 조용관, 한상욱, 허훈 |
| 2015 | | Efficacy of Magnesium Trihydrate of Ursodeoxycholic Acid and Chenodeoxycholic Acid for Gallstone Dissolution: A Prospective Multicenter Trial. | 김진홍, 유병무 |
| 1994 | | Efficacy of polyadenylic.polyuridylic acid in the treatment of chronic active hepatitis B. | 윤정구, 함기백 |
| 2011 | | Efficacy of ramosetron in the treatment of male patients with irritable bowel syndrome with diarrhea: a multicenter, randomized clinical trial, compared with mebeverine. | 이광재 |
| 1996 | | Electrogastrographic Study in Patients with Gastric Cancer according to Location and Depth of Invasion | 김명욱, 김진홍, 이광재, 조성원, 조용관, 함기백 |
| 2004 | | Elevated level of serum tryptase in a patient with exercise-inuced anaphylaxis | 남동호, 박해심, 서유진, 서창희, 예영민, 임선교, 최정희 |
| 2014 | | Embolization of percutaneous transhepatic portal venous access tract with N-butyl cyanoacrylate. | 김봉완, 김순선, 김진우, 왕희정, 원제환, 정재연, 조성원 |
| 2012 | | Endoscopic approach for postoperative complications following laparoscopic-assisted gastrectomy in early gastric cancer: literature review | 김순선, 김진홍, 신성재, 이기명, 임선교, 조성원, 한상욱, 황재철 |
| 1994 | | Endoscopic demonstration of colonic involvement by a prosthetic graft. | 함기백 |
| 2016 | | Endoscopic Hands-Off Technique versus Conventional Technique for Conversion from an Orobiliary to a Nasobiliary Tube | 김순선, 김진홍, 노충균, 양민재, 유병무, 황재철 |
