- Science, Humanities and Social Sciences, multidisciplinary 16,177
- Science, multidisciplinary 14,541
- Characterization and Evaluation of Materials 11,125
- Oncology 10,199
- Biochemistry, general 9,877
- Cell Biology 9,876
- Internal Medicine 9,571
- Biomedicine, general 9,295
- Medicine/Public Health, general 8,968
- Life Sciences, general 8,676
- Cancer Research 8,210
- Biotechnology 7,798
- Nanotechnology 7,740
- Materials Science, general 7,608
- Physical Chemistry 5,880
- Plant Sciences 5,163
- Microbiology 4,875
- Neurosciences 4,866
- Immunology 4,657
- Polymer Sciences 4,565