- Elementary Particles, Quantum Field Theory 138
- Quantum Field Theories, String Theory 137
- Science, Humanities and Social Sciences, multidisciplinary 126
- Science, multidisciplinary 125
- Quantum Physics 110
- Classical and Quantum Gravitation, Relativity Theory 108
- Biomedicine, general 98
- Cancer Research 92
- Oncology 90
- Cell Biology 81
- Internal Medicine 79
- Metallic Materials 74
- Medicine/Public Health, general 71
- Life Sciences, general 66
- Biochemistry, general 61
- Immunology 49
- Physical Chemistry 47
- Biotechnology 46
- Materials Science, general 46
- Characterization and Evaluation of Materials 42