| 2022 | | On-demand Versus Continuous Maintenance Treatment of Gastroesophageal Reflux Disease With Proton Pump Inhibitors: A Systematic Review and Meta-analysis | 이광재 |
| 2023 | | On-demand Versus Continuous Maintenance Treatment With a Proton Pump Inhibitor for Mild Gastroesophageal Reflux Disease: A Prospective Randomized Multicenter Study | 이광재 |
| 2018 | | Once-Weekly Administration of Sustained-Release Growth Hormone in Korean Prepubertal Children with Idiopathic Short Stature: A Randomized, Controlled Phase II Study | 이해상, 황진순 |
| 2016 | | Oncogenic microtubule hyperacetylation through BEX4-mediated sirtuin 2 inhibition | 조혜성, 최경숙 |
| 2009 | | Oncogenic Ras signals through activation of both phosphoinositide 3-kinase and Rac1 to induce c-Jun NH2-terminal kinase-mediated, caspase-independent cell death. | 윤계순 |
| 2017 | | Oncologic Outcome of ypT1-2N0 Rectal Cancer After Neoadjuvant Chemoradiotherapy Compared With pT1-2N0 Rectal Cancer | 김영배, 서광욱, 오승엽 |
| 2013 | | Oncologic outcomes after adjuvant chemotherapy using FOLFOX in MSI-H sporadic stage III colon cancer. | 김도윤, 김영배, 서광욱, 오승엽 |
| 2015 | | Oncologic outcomes following metastasectomy in colorectal cancer patients developing distant metastases after initial treatment. | 서광욱, 오승엽 |
| 2007 | | Oncological Safety of a Metallic Stent for a Left-sided Obstructive Colorectal Carcinoma | 김진홍, 서광욱, 오승엽, 이광재 |
| 1996 | | One Case of Mucinous Ductal Ectasia Diagnosed with Ultrathin Pancreatoxcopy | - |
| 1999 | | One Family of Familial Combined Hyperlipidemia Associated with Various Metabolic Abnormalities | 김현만, 이관우, 정윤석 |
| 2017 | | One-hour postload plasma glucose concentration in people with normal glucose homeostasis predicts future diabetes mellitus: a 12-year community-based cohort study | 조남한 |
| 2005 | | One-stage embolization in patients with acutely ruptured poor-grade aneurysm. | 김선용, 김세혁, 신용삼, 안영환, 윤수한, 조경기, 조기홍 |
| 2014 | | One-step transfistula large versus conventional balloon dilation following precut fistulotomy in difficult biliary cannulation for the removal of biliary stones: a multicenter retrospective study. | 양민재, 황재철 |
| 2012 | | One-Step Transpapillary Balloon Dilation under Cap-Fitted Endoscopy without a Preceding Sphincterotomy for the Removal of Bile Duct Stones in Billroth II Gastrectomy | 김진홍, 유병무, 황재철 |
| 2021 | | Ongoing outbreak of human adenovirus-associated acute respiratory illness in the Republic of Korea military, 2013 to 2018 | 허중연 |
| 2014 | | Onset time of hyperkalaemia after angiotensin receptor blocker initiation: when should we start serum potassium monitoring? | 김흥수, 박래웅, 박인휘, 신규태, 신승수 |
| 2018 | | OP0074: Association between brain-derived neurotrophic factor gene polymorphisms and fibromyalgia in a korean population: a multi-centre study | 김현아 |
| 2019 | | Open Access in Perspectives of Authors and Readers | 정민석 |
| 1999 | | Open Clinical Trial of Methotrexate Alone and Combination of Methotrexate and Hydroxychloroquine in the Treatment of Rheumatoid Arthritis | 서창희 |
