- Elementary Particles, Quantum Field Theory 38
- Quantum Field Theories, String Theory 34
- Internal Medicine 27
- Science, Humanities and Social Sciences, multidisciplinary 26
- Quantum Physics 25
- Science, multidisciplinary 25
- Nuclear Energy 22
- Biomedicine, general 21
- Nuclear Physics, Heavy Ions, Hadrons 21
- Astronomy, Astrophysics and Cosmology 20
- Measurement Science and Instrumentation 20
- Biochemistry, general 17
- Medicine/Public Health, general 17
- Oncology 17
- Cancer Research 15
- Physical Chemistry 15
- Classical and Quantum Gravitation, Relativity Theory 14
- Biotechnology 13
- Characterization and Evaluation of Materials 13
- Medical Microbiology 13