- Oncology 17
- Epidemiology 13
- Public Health 12
- Cancer Research 7
- Biomedicine, general 5
- Hematology 5
- Medicine/Public Health, general 5
- Quality of Life Research 4
- Nursing 3
- Nursing Research 3
- Pain Medicine 3
- Rehabilitation Medicine 3
- Research Methodology 3
- Social Structure, Social Inequality 3
- Statistics for Life Sciences, Medicine, Health Sciences 3
- Drug Resistance 2
- Environmental Health 2
- Biochemistry, general 1
- Biomedical Engineering and Bioengineering 1
- Biostatistics 1