- Elementary Particles, Quantum Field Theory 32
- Quantum Field Theories, String Theory 32
- Nuclear Physics, Heavy Ions, Hadrons 25
- Astronomy, Astrophysics and Cosmology 16
- Measurement Science and Instrumentation 16
- Nuclear Energy 16
- Classical and Quantum Gravitation, Relativity Theory 7
- Quantum Physics 7
- Orthopedics 5
- Surgical Orthopedics 5
- Computer Communication Networks 4
- Physics, general 4
- Communications Engineering, Networks 3
- Conservative Orthopedics 3
- Information Storage and Retrieval 3
- Information Systems Applications (incl. Internet) 3
- Internal Medicine 3
- Rheumatology 3
- Science, Humanities and Social Sciences, multidisciplinary 3
- Traumatic Surgery 3