Subfield
- Education177
- Infectious Diseases163
- Safety Research95
- Political Science and International Relations84
- Public Health, Environmental and Occupational Health73
- Linguistics and Language70
- General Agricultural and Biological Sciences69
- General Health Professions69
- Human Factors and Ergonomics69
- Parasitology66
- Language and Linguistics65
- Agronomy and Crop Science63
- Gender Studies61
- Obstetrics and Gynecology60
- Soil Science60
- Developmental and Educational Psychology53
- Pediatrics, Perinatology and Child Health50
- Development45
- Accounting43
- Demography40