- Classical and Quantum Gravitation, Relativity Theory 36
- Quantum Physics 36
- Elementary Particles, Quantum Field Theory 33
- Quantum Field Theories, String Theory 33
- Anesthesiology 11
- Intensive / Critical Care Medicine 11
- Surgery 9
- Neurosurgery 6
- Emergency Medicine 5
- Pain Medicine 5
- Pharmacology/Toxicology 5
- Theoretical, Mathematical and Computational Physics 5
- Cell Biology 4
- Complex Systems 4
- Engineering Fluid Dynamics 4
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- Neurology 4
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- Fluid- and Aerodynamics 3