Mathematics 74 Radiology 53 Engineering 44 Technology and Engineering 44 Social sciences 41 Astronomy 39 Humanities 37 Humanities and Social Sciences 37 Life Sciences 34 Life sciences 34 Applications of Mathematics 32 Health Sciences 27 Medical sciences 27 Astronomy, Cosmology and Space Sciences 26 Physical Sciences 24 Science 24 Differential Equations 23 Differential equations 23 Health Promotion and Disease Prevention 21 Health promotion 21 Mathematical physics 21 Medicine, Preventive 21 Statistics  20 Astronomy, Observations and Techniques 19 Astronomy-Observations 19 Cardiology 19 Analysis 18 Mathematical analysis 18 Mathematics and Computing 18 Neurology 18