- Science, Humanities and Social Sciences, multidisciplinary 10,463
- Artificial Intelligence 10,098
- Science, multidisciplinary 9,367
- Cell Biology 7,330
- Internal Medicine 6,880
- Oncology 6,785
- Medicine/Public Health, general 6,460
- Biomedicine, general 6,338
- Biochemistry, general 6,311
- Life Sciences, general 6,226
- Cancer Research 5,830
- Computer Communication Networks 5,741
- Biotechnology 5,107
- Characterization and Evaluation of Materials 4,456
- Information Systems Applications (incl. Internet) 4,226
- Plant Sciences 3,826
- Materials Science, general 3,765
- Nanotechnology 3,564
- Immunology 3,545
- Computational Intelligence 3,437