- Cancer Research 35
- Science, Humanities and Social Sciences, multidisciplinary 33
- Science, multidisciplinary 31
- Oncology 29
- Cell Biology 24
- Biomedicine, general 22
- Medicine/Public Health, general 21
- Plant Sciences 21
- Life Sciences, general 19
- Agriculture 18
- Computer Communication Networks 18
- Characterization and Evaluation of Materials 16
- Biochemistry, general 15
- Biotechnology 14
- Immunology 14
- Nanotechnology 14
- Materials Science, general 12
- Surgical Oncology 12
- Analytical Chemistry 11
- Internal Medicine 11