- Classical and Quantum Gravitation, Relativity Theory 16
- Elementary Particles, Quantum Field Theory 16
- Quantum Field Theories, String Theory 16
- Quantum Physics 16
- Physical Chemistry 10
- Biomedicine, general 9
- Oncology 7
- Biochemistry, general 6
- Cell Biology 6
- Inorganic Chemistry 6
- Internal Medicine 5
- Life Sciences, general 4
- Plant Sciences 4
- Solid State Physics 4
- Analytical Chemistry 3
- Apoptosis 3
- Atomic, Molecular, Optical and Plasma Physics 3
- Atomic/Molecular Structure and Spectra 3
- Characterization and Evaluation of Materials 3
- Condensed Matter Physics 3