| 2015 | Optimal Candidates for the Switch from Glimepiride to Sitagliptin to Reduce Hypoglycemia in Patients with Type 2 Diabetes Mellitus
| Endocrinology and Metabolism (대한내분비학회지) |
| 2021 | Optimal combinations of systolic and diastolic blood pressure in Korea: A nationwide population-based cohort study
| JOURNAL OF CLINICAL HYPERTENSION |
| 2008 | Optimal conditions for the removal of house dust mite, dog dander, and pollen allergens using mechanical laundry | ANNALS OF ALLERGY ASTHMA & IMMUNOLOGY |
| 2020 | Optimal conditions for the storage of German cockroach extract | MOLECULAR MEDICINE REPORTS |
| 2019 | Optimal criteria for hepatocellular carcinoma diagnosis using CT in patients undergoing liver transplantation | EUROPEAN RADIOLOGY |
| 2016 | Optimal Cut-Off Values of Lymph Node Ratio Predicting Recurrence in Papillary Thyroid Cancer
| MEDICINE |
| 2017 | Optimal diagnosis and disease activity monitoring of intestinal Behçet's disease
| INTESTINAL RESEARCH |
| 2017 | Optimal dose and volume for postoperative radiotherapy in brain oligometastases from lung cancer: a retrospective study
| RADIATION ONCOLOGY JOURNAL |
| 2021 | Optimal drainage of anastomosis stricture after living donor liver transplantation | SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES |
| 2021 | Optimal Duration for Dual Antiplatelet Therapy After Left Main Coronary Artery Stenting
| CIRCULATION JOURNAL |
| 2018 | Optimal duration of DAPT after second-generation drug-eluting stent in acute coronary syndrome
| PLOS ONE |
| 2012 | Optimal duration of dual antiplatelet therapy after drug-eluting stent implantation. | EXPERT REVIEW OF CARDIOVASCULAR THERAPY |
| 2020 | Optimal Endoscopy Timing in Patients With Acute Variceal Bleeding: A Systematic Review and Meta-Analysis
| SCIENTIFIC REPORTS |
| 2014 | Optimal glycated albumin cutoff value to diagnose diabetes in Korean adults: A retrospective study based on the oral glucose tolerance test | CLINICA CHIMICA ACTA |
| 2021 | Optimal hemostasis duration for percutaneous coronary intervention via the snuffbox approach: A prospective, multi-center, observational study (HEMOBOX) | INTERNATIONAL JOURNAL OF CARDIOLOGY |
| 2021 | Optimal indications and limitations of endoscopic transorbital superior eyelid surgery for spheno-orbital meningiomas | JOURNAL OF NEUROSURGERY |
| 2022 | Optimal Low-Density Lipoprotein Cholesterol Levels in Adults Without Diabetes Mellitus: A Nationwide Population-Based Study Including More Than 4 Million Individuals From South Korea
| FRONTIERS IN CARDIOVASCULAR MEDICINE |
| 2022 | Optimal office blood pressure levels in younger ( <50 years old) Korean hypertensive patients: a nationwide cohort study in South Korea | JOURNAL OF HYPERTENSION |
| 2010 | Optimal pharmacologic approach to patients with hypertriglyceridemia and low high-density lipoprotein-cholesterol: randomized comparison of fenofibrate 160 mg and niacin 1500 mg. | ATHEROSCLEROSIS |
| 2014 | Optimal Proteinuria Target for Renoprotection in Patients with IgA Nephropathy
| PLOS ONE |
