- Science, Humanities and Social Sciences, multidisciplinary 30,381
- Science, multidisciplinary 27,204
- Artificial Intelligence 22,286
- Characterization and Evaluation of Materials 22,218
- Oncology 19,368
- Internal Medicine 18,155
- Cell Biology 18,153
- Biochemistry, general 18,100
- Medicine/Public Health, general 16,752
- Biomedicine, general 16,684
- Life Sciences, general 15,609
- Cancer Research 15,113
- Nanotechnology 15,049
- Materials Science, general 14,323
- Biotechnology 14,197
- Computer Communication Networks 13,361
- Physical Chemistry 10,909
- Plant Sciences 9,967
- Information Systems Applications (incl. Internet) 9,872
- Neurosciences 9,573