- Elementary Particles, Quantum Field Theory 402
- Quantum Field Theories, String Theory 402
- Quantum Physics 290
- Classical and Quantum Gravitation, Relativity Theory 288
- Science, Humanities and Social Sciences, multidisciplinary 145
- Science, multidisciplinary 143
- Nuclear Energy 124
- Measurement Science and Instrumentation 119
- Astronomy, Astrophysics and Cosmology 118
- Nuclear Physics, Heavy Ions, Hadrons 117
- Internal Medicine 76
- Oncology 74
- Biochemistry, general 68
- Biomedicine, general 63
- Cell Biology 63
- Characterization and Evaluation of Materials 51
- Pharmacology/Toxicology 50
- Immunology 49
- Medical Microbiology 48
- Nanotechnology 46