| 2018 | | Efficacy and tolerability of ramucirumab monotherapy or in combination with paclitaxel in gastric cancer patients from the Expanded Access Program Cohort by the Korean Cancer Study Group (KCSG) | 이현우 |
| 2019 | | Efficacy and Tolerability of Telmisartan/Amlodipine and Rosuvastatin Coadministration in Hypertensive Patients with Hyperlipidemia: A Phase III, Multicenter, Randomized, Double-blind Study | 윤명호 |
| 2017 | | Efficacy and tolerability of two different formulations of atorvastatin in Korean patients with hypercholesterolemia: a multicenter, prospective, randomized clinical trial | 탁승제 |
| 2013 | | Efficacy of 3 different steroid treatments for sudden sensorineural hearing loss: a prospective, randomized trial. | 박기현, 박헌이, 임혜진, 정연훈 |
| 2009 | | Efficacy of a 14Fr Blake Drain for Pleural Drainage Following Video-Assisted Thoracic Surgery | 이성수, 최진욱, 최호 |
| 2019 | | Efficacy of a Novel Annular Closure Device after Lumbar Discectomy in Korean Patients : A 24-Month Follow-Up of a Randomized Controlled Trial | 조평구 |
| 2015 | | Efficacy of a Once-Monthly Pill Containing Ibandronate and Cholecalciferol on the Levels of 25-Hydroxyvitamin D and Bone Markers in Postmenopausal Women with Osteoporosis. | 정윤석 |
| 2022 | | Efficacy of Abatacept Versus Tumor Necrosis Factor Inhibitors in Anti-citrullinated Protein Antibody-Positive Patients with Rheumatoid Arthritis: Results from a Korean Nationwide Biologics Registry | 김현아 |
| 2022 | | Efficacy of Adductor Canal Block on Medial Knee Pain in Patients with Knee Osteoarthritis: A Randomized Single-Blind Placebo-Controlled Study | 박도영, 윤승현, 정길용 |
| 2010 | | Efficacy of adjuvant gemcitabine-cisplatin chemotherapy: a comparative study between locally advanced transitional cell carcinoma of the bladder and upper urinary tract. | 김세중 |
| 2023 | | Efficacy of as-needed intravitreal injection compared to 3-monthly loading of anti-vascular endothelial growth factor agents for branch retinal vein occlusion | 이기황, 정유리 |
| 2005 | | Efficacy of AST to Platelet Ratio Index in Predicting Severe Hepatic Fibrosis and Cirrhosis in Chronic Hepatitis B Virus Infection | - |
| 2012 | | Efficacy of clotinab in acute myocardial infarction trial-ST elevation myocardial infarction (ECLAT-STEMI) | 탁승제 |
| 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 |
| 2014 | | Efficacy of combination treatment with intracoronary abciximab and aspiration thrombectomy on myocardial perfusion in patients with ST-segment elevation myocardial infarction undergoing primary coronary stenting. | 탁승제 |
| 2021 | | Efficacy of concurrent chemoradiotherapy for patients with limited-disease small-cell lung cancer: a retrospective, nationwide, population-based cohort study | 이현우 |
| 2001 | | Efficacy of Conization in Patients with Cervical Intraepithelial Neoplasia | 박영한, 오기석, 유희석, 이정필, 장기홍 |
| 2014 | | Efficacy of continuous wound infiltration of local anesthetic for pain relief after gynecologic laparoscopy | 공태욱, 민상기, 유희석, 정지윤 |
| 2016 | | Efficacy of DA-9701 (Motilitone) in Functional Dyspepsia Compared to Pantoprazole: A Multicenter, Randomized, Double-blind, Non-inferiority Study | 이광재 |
