| 2015 | Oncological and functional results after the surgical treatment of parotid cancer | 노영수 | Article |
| 2011 | One year follow-up result of Doppler-guided hemorrhoidal artery ligation and recto-anal repair in 97 consecutive patients | 정순섭 | Article |
| 2024 | One-year antibody durability induced by EuCorVac-19, a liposome-displayed COVID-19 receptor binding domain subunit vaccine, in healthy Korean subjects | 김충종 | Article |
| 2019 | One-year antibody persistence and safety of a 4-dose schedule of menacwy-crm in healthy infants from South Korea | 김경효 | Article |
| 2008 | ONE-YEAR FOLLOW-UP OF BIOCHEMICAL AND VIROLOGICAL RESPONSE OF CLEVUDINE THERAPY IN PATIENTS WITH CHRONIC HEPATITIS B-ASSOCIATED LIVER CIRRHOSIS | 문일환; 유권; 김태헌; 정규원; 김성은 | Meeting Abstract |
| 2016 | Online Registry for Nationwide Database of Current Trend of Helicobacter pylori Eradication in Korea: Interim Analysis | 심기남 | Article |
| 2019 | Online registry for nationwide database of Helicobacter pylori eradication in Korea: Correlation of antibiotic use density with eradication success | 심기남 | Article |
| 1996 | Ontogeny of amino acid transport system A in rat placenta | 서정완 | Article |
| 2023 | Open Reduction and Internal Fixation for Vancouver B1 and B2 Periprosthetic Femoral Fractures: A Proportional Meta-Analysis | 노영학; 윤병호 | Article |
| 2023 | Open-labeled, multicenter phase II study of prophylactic administration of pegylated granulocyte colony-stimulating factor in relapsed or refractory multiple myeloma who received pomalidomide-based regimens (KMM170) | 문영철 | Article |
| 2014 | Opioid-induced hyperalgesia | 이희승 | Article |
| 2013 | Opioid-induced hyperalgesia is a paradox for perioperative physician | 이희승 | Editorial |
| 2000 | Opposite ictal perfusion patterns of subtracted SPECT - Hyperperfusion and hypoperfusion | 이향운 | Article |
| 2000 | Opposite ictal perfusion patterns of subtracted SPECT: Hyperperfusion and hypoperfusion | 이향운 | Article |
| 2017 | Opsonophagocytic Antibodies to Serotype Ia, Ib, and III Group B Streptococcus among Korean Infants and in Intravenous Immunoglobulin Products | 김경효; 이소영; 김한울 | Article |
| 2016 | Optic nerve integrity as a visuospatial cognitive predictor in Parkinson's disease | 신나영 | Article |
| 2020 | Optic nerve sheath diameter as a predictor of acute cerebellar infarction in acute vertigo patients without brain computed tomography abnormalities | 이선화 | Article |
| 2021 | Optic nerve sheath diameter as a predictor of altered mental status in drug intoxication patients | 이선화; 김건 | Article |
| 2018 | Optic nerve sheath diameter measured using early unenhanced brain computed tomography shows no correlation with neurological outcomes in patients undergoing targeted temperature management after cardiac arrest | 한철 | Article |
| 2020 | Optic nerve sheath diameter measurement for predicting raised intracranial pressure in adult patients with severe traumatic brain injury: A meta-analysis | 이선화 | Article |
