| 2007 | Efficacy and safety of uro-vaxom treatment for patients with recurrent cystitis: An open multicenter study | 심봉석 | Article |
| 2007 | Efficacy and tolerability of OROS methylphenidate in Korean children with Attention-Deficit/Hyperactivity Disorder | 김의정 | Article |
| 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) | 이경은 | Article |
| 2018 | Efficacy of a clinical pathway for patients with thyroid cancer | 문병인; 임우성; 백남선; 권형주; 우주현 | Article |
| 2019 | Efficacy of a Decision Aid Consisting of a Video and Booklet on Advance Care Planning for Advanced Cancer Patients: Randomized Controlled Trial | 남은미 | Article |
| 2012 | Efficacy of a modified pharmacomechanical thrombolysis technique for endovascular treatment of thrombosed prosthetic arteriovenous grafts | 최선영 | Article |
| 2016 | Efficacy of a Subacromial Corticosteroid Injection for Persistent Pain After Arthroscopic Rotator Cuff Repair | 신상진 | Article |
| 2013 | Efficacy of a training program for long-term disease-free cancer survivors as health partners: A randomized controlled trial in Korea | 이순남 | Article |
| 2012 | Efficacy of Bowel Preparation With the Use of a General Diet Versus a Clear Liquid Diet With Polyethylene Glycol Electrolyte Solution | 김성은 | Meeting Abstract |
| 2016 | Efficacy of da-9701 (motilitone) in functional dyspepsia compared to pantoprazole: A multicenter, randomized, double-blind, non-inferiority study | 정혜경 | Article |
| 2021 | Efficacy of erector spinae plane block with opioid-sparing analgesic technique in breast-conserving surgery | 임우성; 김원중 | Article |
| 2011 | Efficacy of fluoroscopy-guided cutting needle lung biopsy in patients with diffuse infiltrative lung disease | 김정숙 | Article |
| 2018 | Efficacy of granulocyte colony stimulating factor in patients with severe alcoholic hepatitis with partial or null response to steroid (GRACIAH trial): study protocol for a randomized controlled trial | 김휘영 | Article |
| 2020 | Efficacy of health coaching and a web-based program on physical activity, weight, and distress management among cancer survivors: A multi-centered randomised controlled trial | 문병인; 우주현 | Article |
| 2016 | Efficacy of Helicobacter pylori eradication on functional dyspepsia in Korean patients; A prospective, multi-center, randomized, open-label, parallel design clinical trial | 심기남 | Meeting Abstract |
| 2009 | Efficacy of ICT with Deferasirox in Transfusional Iron Overloaded Patients with MDS or AA | 성주명 | Meeting Abstract |
| 2017 | Efficacy of levofloxacin-based third-line therapy for the eradication of helicobacter pylori in peptic ulcer disease | 심기남 | Article |
| 2008 | Efficacy of levofloxacin-based triple therapy as second-line Helicobacter pylori eradication | 유권; 정성애; 심기남 | Article |
| 2015 | Efficacy of Once-Daily Administration of Udenafil for 24 Weeks on Erectile Dysfunction: Results from a Randomized Multicenter Placebo-Controlled Clinical Trial | 정우식 | Article |
| 2024 | Efficacy of preoperative lymphoscintigraphy in predicting surgical outcomes of lymphaticovenous anastomosis in lower extremity lymphedema: Clinical correlations in gynecological cancer-related lymphedema | 김범산; 윤혜전; 우경제; 문병석; 강서영; 유민영 | Article |
