| 2013 | | Efficacy of intraoperative gastroscopy for tumor localization in totally laparoscopic distal gastrectomy for cancer in the middle third of the stomach. | 변철수, 조용관, 한상욱, 허훈 |
| 2016 | | Efficacy of Intravenous Lidocaine During Endoscopic Submucosal Dissection for Gastric Neoplasm: A Randomized, Double-Blind, Controlled Study | 김지은, 최종범 |
| 2022 | | Efficacy of Intravenous Mesenchymal Stem Cells for Motor Recovery after Ischemic Stroke: A Neuroimaging Study | 이진수 |
| 2015 | | Efficacy of laparoscopic subtotal gastrectomy with D2 lymphadenectomy for locally advanced gastric cancer: the protocol of the KLASS-02 multicenter randomized controlled clinical trial. | 한상욱, 허훈 |
| 2015 | | Efficacy of Magnesium Trihydrate of Ursodeoxycholic Acid and Chenodeoxycholic Acid for Gallstone Dissolution: A Prospective Multicenter Trial. | 김진홍, 유병무 |
| 2000 | | Efficacy of MRI in complicated congenital heart disease with visceral heterotaxy syndrome. | 원제환 |
| 2005 | | Efficacy of myocardial contrast echocardiography in the diagnosis and risk stratification of acute coronary syndrome. | 강수진 |
| 2013 | | Efficacy of neoadjuvant chemotherapy in patients with FIGO stage IB1 to IIA cervical cancer: an international collaborative meta-analysis. | 유희석 |
| 2020 | | Efficacy of neoadjuvant endocrine therapy compared with neoadjuvant chemotherapy in pre-menopausal patients with oestrogen receptor-positive and HER2-negative, lymph node-positive breast cancer | 정용식 |
| 2011 | | Efficacy of NiTi Hand CAC 30 for jejunojejunostomy in gastric cancer surgery: results from a multicenter prospective randomized trial | 한상욱, 허훈 |
| 1994 | | Efficacy of polyadenylic.polyuridylic acid in the treatment of chronic active hepatitis B. | 윤정구, 함기백 |
| 2013 | | Efficacy of Prophylactic Antibiotics in Spinal Surgery | 전창훈, 정남수 |
| 1999 | | Efficacy of questionnaire for the diagnosis of diabetic peripheral neuropathy in koreans | 김현만, 신영구, 이관우, 정윤석 |
| 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 |
| 2011 | | Efficacy of risedronate with cholecalciferol on 25-hydroxyvitamin D level and bone turnover in Korean patients with osteoporosis. | 정윤석 |
| 2019 | | Efficacy of risedronate with cholecalciferol on bone mineral density in Korean patients with osteoporosis | 원예연 |
| 2011 | | Efficacy of Roux-en-Y Reconstruction Using Two Circular Staplers after Subtotal Gastrectomy: Results from a Pilot Study Comparing with Billroth-I Reconstruction | 안창욱, 조용관, 한상욱, 허훈 |
| 1998 | | Efficacy of Sclerotherapy for Management of Recurrent Benign Adnexal Cys | 권혁찬, 오기석, 유희석, 이은주, 장기홍, 황경주 |
| 2023 | | Efficacy of Second-Line Treatments in Chronic Urticaria Refractory to Standard Dose Antihistamines | 박해심, 신유섭, 예영민 |
| 2014 | | Efficacy of short-term growth hormone treatment in prepubertal children with idiopathic short stature. | 황진순 |
