| 2011 | Occupational Asthma Induced by the Reactive Dye Synozol Red-K 3BS. | 진현정, 예영민, 박해심 |
| 2012 | Occupational rhinitis induced by capsaicin | 황의경, 신유섭, 예영민, 박해심 |
| 2013 | Occupational Stress, Job Satisfaction and Job Performance among Nurses in Cambodia | MANNDY, NGET |
| 2005 | Occupations and Parkinson's disease: a multi-center case-control study in South Korea. | 방오영 |
| 2002 | Occurrence and Genotypic Distributions of Plasmid-Mediated AmpC β-Lactamase-producing Escherichia coil and Klebsiella pneumoniae in korea | - |
| 2013 | Ocular Abnormality of Korean Patients with Molecular Genetically Confirmed Gaucher Disease | 김현주, 정선용 |
| - | Ocular findings in children who underwent expansion cranioplasty with distraction osteogenesis for Nonsyndromic craniosynostosis | - |
| 2006 | Ocular Manifestation of Kawasaki Disease | 이마빈 |
| 2010 | Ocular Manifestations of Herpes Zoster Ophthalmicus | 정유리, 양홍석 |
| 2016 | Ocular Myasthenia Gravis in Monozygotic Twins with Mirror-image Myopic Anisometropia | 정승아 |
| 2009 | Oculomotor nerve palsy associated with rupture of middle cerebral artery aneurysm. | 임용철 |
| 2007 | Odour identification test and its relation to cardiac 123I-metaiodobenzylguanidine in patients with drug induced parkinsonism. | 이필휴, 용석우 |
| 2010 | Oestrogen and progesterone receptor expression in melasma: an immunohistochemical analysis. | 장용현, 강희영, 이은소, 김유찬 |
| - | Ofloxacin-induced Anaphylaxis mediated by a Direct Basophil Activation Mechanism | - |
| 1998 | Oilseed rape allergy presented as occupational asthma in the grain industry. | 박해심, 남동호 |
| 2016 | Olfactory dysfunction is related to postoperative delirium in Parkinson's disease | 윤정한, 홍지만 |
| 2007 | Olfactory Function and Its Correlation with Cardiac 123I-MIBG in Patients with Parkinson’s Disease and Multiple System Atrophy | 김현준, 이필휴 |
| 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. | 윤정한, 문소영, 홍지만 |
| 2002 | Oligodendrocytes from human donors differ in resistance to herpes simplex virus 1 (HSV-1). | 김승업 |
| 2004 | Oligomer synthesis by priming deficient polymerase in hepatitis B virus core particle. | 신호준, 박선, 김경민 |
