| 2020 | | Obesity increases the incidence of new-onset lupus nephritis and organ damage during follow-up in patients with systemic lupus erythematosus | 김현아 |
| 2017 | | Obesity Is Inversely Related to Hydrogen-Producing Small Intestinal Bacterial Overgrowth in Non-Constipation Irritable Bowel Syndrome | 김규남, 주남석 |
| 2020 | | Occupational radiation exposure in femoral artery approach is higher than radial artery approach during coronary angiography or percutaneous coronary intervention | 윤명호 |
| 2005 | | Occupations and Parkinson's disease: a multi-center case-control study in South Korea. | 방오영 |
| 2021 | | Ocular biometric features of pediatric patients with fibroblast growth factor receptor-related syndromic craniosynostosis | 이기황, 정승아 |
| 2016 | | Ocular Myasthenia Gravis in Monozygotic Twins with Mirror-image Myopic Anisometropia | 정승아 |
| 2007 | | Odour identification test and its relation to cardiac 123I-metaiodobenzylguanidine in patients with drug induced parkinsonism. | 용석우, 이필휴 |
| 2010 | | Oestrogen and progesterone receptor expression in melasma: an immunohistochemical analysis. | 강희영, 김유찬, 이은소, 장용현 |
| 2018 | | Off-label use of tocilizumab to treat non-juvenile idiopathic arthritis in pediatric rheumatic patients: a literature review | 김현아, 서창희, 정주양 |
| 2016 | | Olfactory dysfunction is related to postoperative delirium in Parkinson's disease | 윤정한, 홍지만 |
| 2015 | | Olfactory function and neuropsychological profile to differentiate dementia with Lewy bodies from Alzheimer's disease in patients with mild cognitive impairment: A 5-year follow-up study. | 문소영, 윤정한, 홍지만 |
| 2002 | | Oligodendrocytes from human donors differ in resistance to herpes simplex virus 1 (HSV-1). | 김승업 |
| 2019 | | Olmesartan is not associated with the risk of enteropathy: a Korean nationwide observational cohort study | 박래웅, 윤덕용 |
| 2021 | | Omentum preservation as an oncologically comparable and surgically superior alternative to total omentectomy during radical gastrectomy for T3–T4 gastric cancer | 노철규 |
| 2015 | | On the Estimation of Heritability with Family-Based and Population-Based Samples. | 조남한 |
| 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 |
| 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 |
| 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 |
| 2014 | | Onset time of hyperkalaemia after angiotensin receptor blocker initiation: when should we start serum potassium monitoring? | 김흥수, 박래웅, 박인휘, 신규태, 신승수 |
| 2020 | | Operative Results of Plantar Plating for Fifth Metatarsal Stress Fracture | 박영욱 |
| 2015 | | Ophthalmic findings in children with nonsyndromic craniosynostosis treated by expansion cranioplasty. | 윤일석, 정승아 |
| 2017 | | Opposite effects of non-thermal plasma on cell migration and collagen production in keloid and normal fibroblasts | 강성운, 강희영, 김철호, 신유섭, 이윤상 |
| 2005 | | Optic nerve injury secondary to endoscopic sinus surgery: an analysis of three cases. | 김현준 |
| 2020 | | Optic nerve sheath diameter change in prediction of malignant cerebral edema in ischemic stroke: an observational study | 박범희, 이성은, 이성준, 이진수, 최문희, 홍지만 |
| 2018 | | Optical assessment of the in vivo tympanic membrane status using a handheld optical coherence tomography-based otoscope | 장정훈 |
| 2020 | | Optical coherence tomographic features of macular telangiectasia type 2: Korean Macular Telangiectasia Type 2 Study-Report No. 1 | 이기황, 정유리 |
| 2012 | | Optical coherence tomography findings of very late stent thrombosis after drug-eluting stent implantation | 최소연 |
| 2010 | | Optimal bolus dose of alfentanil for successful tracheal intubation during sevoflurane induction with and without nitrous oxide in children. | 김종엽, 김진수, 민상기 |
| 2012 | | Optimal cut points of waist circumference (WC) and visceral fat area (VFA) predicting for metabolic syndrome (MetS) in elderly population in the Korean Longitudinal Study on Health and Aging (KLoSHA) | 조남한 |
| 2020 | | Optimal cut-off value of high-sensitivity troponin I in diagnosing myocardial infarction in patients with end-stage renal disease | 이민정, 임은수 |
| 2018 | | Optimal dose of combined rocuronium and cisatracurium during minor surgery: A randomized trial | 최종범 |
| 2013 | | Optimal dose of intra-articular corticosteroids for adhesive capsulitis: a randomized, triple-blind, placebo-controlled trial. | 곽규성, 윤승현 |
| 2016 | | Optimal effect-site concentration of remifentanil for preventing cough during removal of the double-lumen endotracheal tube from sevoflurane-remifentanil anesthesia: A prospective clinical trial | 김대희, 김종엽, 노고운, 박성용, 유지영, 이숙영 |
| 2011 | | Optimal intravascular ultrasound criteria and their accuracy for defining the functional significance of intermediate coronary stenoses of different locations. | 양형모, 윤명호, 임홍석, 탁승제 |
| 2014 | | Optimal Intravascular Ultrasound Criteria for Defining the Functional Significance of Intermediate Coronary Stenosis: An International Multicenter Study | 양형모, 윤명호, 탁승제 |
| 2018 | | Optimal Phase of Dynamic Computed Tomography for Reliable Size Measurement of Metastatic Neuroendocrine Tumors of the Liver: Comparison between Pre- and Post-Contrast Phases | 허지미 |
| 2017 | | Optimal radiation dose for patients with one to three lymph node positive breast cancer following breast-conserving surgery and anthracycline plus taxane-based chemotherapy: A retrospective multicenter analysis (KROG 1418) | 전미선 |
| 2011 | | Optimizing outcome of charles procedure for chronic lower extremity lymphoedema. | 이일재 |
| 2023 | | Optimum selection criteria for secondary cytoreductive surgery in patients with recurrent epithelial ovarian cancer: A multicenter study from the Gynecologic Oncology Research Investigators coLLaborAtion group (GORILLA-3001) | 공태욱, 손주혁, 장석준 |
| 2001 | | Oral administration of IL-12 suppresses anaphylactic reactions in a murine model of peanut hypersensitivity. | 이수영 |
| 2019 | | Oral Glucose Tolerance Testing Allows Better Prediction of Diabetes in Women with a History of Gestational Diabetes Mellitus | 조남한 |
| 2015 | | Oral Maintenance Chemotherapy with 6-Mercaptopurine and Methotrexate in Patients with Acute Myeloid Leukemia Ineligible for Transplantation. | 강석윤, 박준성, 안미선, 이현우, 정성현, 최용원, 최진혁 |
| 2012 | | Oral muscle relaxant may induce immediate allergic reactions | 박해심, 예영민 |
| 2020 | | Ordinary Responses to an Extraordinary Disaster: Sewol Ferry Sinking and the Victim Families' Experience | 조선미 |
| 2013 | | Organizational factors associated with work-related sleep problems in a nationally representative sample of Korean workers. | 박재범 |
| 2011 | | Orthodontic miniplate with tube as an efficient tool for borderline cases. | 정규림 |
| 2020 | | Osimertinib for Patients With Non-Small-Cell Lung Cancer Harboring Uncommon EGFR Mutations: A Multicenter, Open-Label, Phase II Trial (KCSG-LU15-09) | 안미선 |
| 2013 | | Osteogenesis imperfecta type V: clinical and radiographic manifestations in mutation confirmed patients. | 김옥화 |
| 2013 | | Osteogenesis imperfecta Type VI with severe bony deformities caused by novel compound heterozygous mutations in SERPINF1. | 손영배 |
| 2020 | | Osteopontin contributes to late-onset asthma phenotypes in adult asthma patients | 김승현, 박해심 |
| 2018 | | Outcome and predictors of renal survival in patients with lupus nephritis: Comparison between cyclophosphamide and mycophenolate mofetil | 김현아, 서창희 |
| 2012 | | Outcome and safety of self-expandable metallic stents for malignant colon obstruction: a Korean multicenter randomized prospective study | 김진홍 |
| 2017 | | Outcome of Reinduction Chemotherapy with a Modified Dose of Idarubicin for Children with Marrow-Relapsed Acute Lymphoblastic Leukemia: Results of the Childhood Acute Lymphoblastic Leukemia (CALL)-0603 Study | 박준은 |
| 2007 | | Outcome study of two standard and graduated augmented modified Kestenbaum surgery protocols for abnormal head postures in infantile nystagmus. | 장윤희 |
| 2021 | | Outcomes after liver transplantation in korea: Incidence and risk factors from korean transplantation registry | 김봉완 |
| 2012 | | Outcomes after unrestricted use of everolimus-eluting and sirolimus-eluting stents in routine clinical practice: a multicenter, prospective cohort study | 탁승제 |
| 2011 | | Outcomes and prognostic factors of intracranial unruptured vertebrobasilar artery dissection. | 김세혁 |
