- Science, Humanities and Social Sciences, multidisciplinary 30,303
- Science, multidisciplinary 27,127
- Artificial Intelligence 22,264
- Characterization and Evaluation of Materials 22,210
- Oncology 19,349
- Cell Biology 18,128
- Internal Medicine 18,120
- Biochemistry, general 18,085
- Medicine/Public Health, general 16,737
- Biomedicine, general 16,657
- Life Sciences, general 15,585
- Cancer Research 15,095
- Nanotechnology 15,035
- Materials Science, general 14,303
- Biotechnology 14,181
- Computer Communication Networks 13,356
- Physical Chemistry 10,892
- Plant Sciences 9,960
- Information Systems Applications (incl. Internet) 9,870
- Neurosciences 9,561