Zeitschrift 192 Pe ́riodiques 89 Diseases 71 Research 66 Mathematics 41 Medicine 37 Online-Ressource 37 Data processing 35 Psychology 33 Publications pe ́riodiques 33 History 32 methods 29 Biochemistry 28 Cancer 28 Surgery 28 Chemistry 26 Science 25 Law 24 Nervous system 24 Neurology 24 Physics 24 Biology 23 Study and teaching 23 therapy 23 Histoire 22 Molecular Biology 22 Periodicals 22 Psychotherapy 22 Recherche 22 Droit 21