- Oncology 16
- Biomedicine, general 12
- Cancer Research 10
- Epidemiology 8
- Public Health 8
- Medicine/Public Health, general 7
- Atmospheric Protection/Air Quality Control/Air Pollution 6
- Ecotoxicology 6
- Environment, general 6
- Environmental Chemistry 6
- Environmental Health 6
- Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution 6
- Hematology 5
- Surgical Oncology 5
- Cardiology 3
- Infectious Diseases 3
- Health Promotion and Disease Prevention 2
- Gynecology 1
- Pharmacology/Toxicology 1
- Reproductive Medicine 1