Obesity
Obesity Reviews
Oceania
Oikos
Oil and Energy Trends
Oil and Energy Trends: Annual Statistical Review
OPEC Energy Review
Opflow
Ophthalmic and Physiological Optics
Optimal Control Applications and Methods
Oral Diseases
Oral Science International
Oral Surgery
Orbis Litterarum
Orthodontics & Craniofacial Research
Otolaryngology-Head and Neck Surgery
Oxford Bulletin of Economics and Statistics
Oxford Journal of Archaeology