| 2023 | | Randomised clinical trial: comparison of tegoprazan and lansoprazole as maintenance therapy for healed mild erosive oesophagitis | 이광재 |
| 2020 | | Randomised clinical trial: tegoprazan, a novel potassium-competitive acid blocker, or lansoprazole in the treatment of gastric ulcer | 이기명 |
| 2019 | | Randomised phase 3 trial: tegoprazan, a novel potassium-competitive acid blocker, vs. esomeprazole in patients with erosive oesophagitis | 이광재 |
| 2005 | | Randomized comparison of carbon ion-implanted stent versus bare metal stent in coronary artery disease: the Asian Pacific Multicenter Arthos Stent Study (PASS) trial. | 탁승제 |
| 2019 | | Randomized comparison of McGrath MAC videolaryngoscope, Pentax Airway Scope, and Macintosh direct laryngoscope for nasotracheal intubation in patients with manual in-line stabilization | 김종엽 |
| 2019 | | Randomized control trial comparing the effect of cilostazol and aspirin on changes in carotid intima-medial thickness | 이관우 |
| 2022 | | Randomized controlled trial to evaluate the efficacy and safety of fexuprazan compared with esomeprazole in erosive esophagitis | 이광재 |
| 2022 | | Randomized multicenter phase II trial of prophylactic irradiation of para-aortic lymph nodes in advanced cervical cancer according to tumor hypoxia: Korean Radiation Oncology Group (KROG 07-01) study | 장석준 |
| 2019 | | Randomized Phase III Trial of Irinotecan Plus Cisplatin versus Etoposide Plus Cisplatin in Chemotherapy-Naive Korean Patients with Extensive-Disease Small Cell Lung Cancer | 최진혁 |
| 2000 | | Randomized trial of N-butyl-2-cyanoacrylate compared with injection of hypertonic saline-epinephrine in the endoscopic treatment of bleeding peptic ulcers. | 김진홍, 이광재, 조성원, 함기백 |
| 2011 | | Randomized trial of stents versus bypass surgery for left main coronary artery disease. | 탁승제 |
| 2015 | | Randomized Trial of Stents Versus Bypass Surgery for Left Main Coronary Artery Disease: 5-Year Outcomes of the PRECOMBAT Study. | 탁승제 |
| 2015 | | Randomized, Controlled, Multi-center Trial: Comparing the Safety and Efficacy of DA-9701 and Itopride Hydrochloride in Patients With Functional Dyspepsia. | 이광재 |
| 2023 | | Randomized, multicenter, parallel, open, phase 4 study to compare the efficacy and safety of rosuvastatin/amlodipine polypill versus atorvastatin/amlodipine polypill in hypertension patient with dyslipidemia | 신준한 |
| 2017 | | Randomized, noninferiority study between video versus hand ultrasound with wet foam dressing materials to simulate B-lines in lung ultrasound: A CONSORT-compliant article | 박은정, 안정환 |
| 2021 | | Range of forced cyclorotation in superior oblique palsy and V-pattern strabismus | 정승아 |
| 2023 | | Ranitidine Use and Incident Cancer in a Multinational Cohort | 박래웅 |
| 2012 | | Ranitidine-induced anaphylaxis with detection of serum specific IgE to ranitidine and human serum albumin conjugates | 박해심, 예영민 |
| 2006 | | Ranitidine-induced anaphylaxis: detection of serum specific IgE antibody. | 박해심 |
| 2007 | | RANTES, MCP-1, CCR2, CCR5, CXCR1 and CXCR4 gene polymorphisms are not associated with the outcome of hepatitis B virus infection: results from a large scale single ethnic population. | 김진홍, 정재연, 조성원 |
