- Surgery 6
- Surgical Oncology 5
- Orthopedics 4
- Science, Humanities and Social Sciences, multidisciplinary 3
- Science, multidisciplinary 3
- Cancer Research 2
- Internal Medicine 2
- Medicine/Public Health, general 2
- Metabolic Diseases 2
- Oncology 2
- Abdominal Surgery 1
- Gastroenterology 1
- Information Systems Applications (incl. Internet) 1
- Models and Principles 1
- Pharmacology/Toxicology 1
- Plant Biochemistry 1
- Plant Ecology 1
- Plant Physiology 1
- Plant Sciences 1
- Programming Languages, Compilers, Interpreters 1