| 1 | Medicine | 4,467 | 382.5K | 29 | 22 |
| 2 | Biology | 3,480 | 330.4K | 56 | 64 |
| 3 | Science | 3,012 | 317.6K | 71 | 66 |
| 4 | Biochemistry | 4,815 | 280.1K | 27 | 23 |
| 5 | Physics | 1,825 | 222.3K | 236 | 133 |
| 6 | Molecular Biology | 2,446 | 200.6K | 52 | 45 |
| 7 | Neurology | 2,408 | 166.0K | 44 | 50 |
| 8 | Cytology | 1,266 | 154.1K | 38 | 41 |
| 9 | Cell Biology | 1,019 | 139.5K | 43 | 41 |
| 10 | Natural history | 344 | 130.2K | 145 | 91 |
| 11 | Human genetics | 510 | 117.4K | 36 | 41 |
| 12 | Research | 2,442 | 109.6K | 46 | 42 |
| 13 | Chemistry | 1,522 | 100.7K | 264 | 238 |
| 14 | Virology | 697 | 100.2K | 43 | 42 |
| 15 | Pharmacology | 1,468 | 96.5K | 26 | 5 |
| 16 | Microbiology | 1,262 | 95.7K | 86 | 71 |
| 17 | Surgery | 453 | 87.3K | 25 | 23 |
| 18 | Psychology | 1,282 | 87.0K | 38 | 27 |
| 19 | Genetics | 779 | 80.8K | 56 | 40 |
| 20 | Pediatrics | 1,262 | 78.5K | 20 | 17 |
| 21 | Biophysics | 1,640 | 75.0K | 33 | 28 |
| 22 | Psychiatry | 1,057 | 72.1K | 46 | 44 |
| 23 | United States | 1,457 | 68.6K | 65 | 39 |
| 24 | Education | 1,612 | 66.6K | 4 | 5 |
| 25 | Astrophysics | 772 | 63.4K | 199 | 188 |
| 26 | Developmental Biology | 574 | 57.5K | 32 | 24 |
| 27 | Cancer | 846 | 56.7K | 34 | 28 |
| 28 | Endocrinology | 1,047 | 55.4K | 28 | 50 |
| 29 | Neurophysiology | 753 | 55.3K | 41 | 41 |
| 30 | Toxicology | 2,246 | 54.7K | 3 | 4 |
| 31 | Immunology | 692 | 52.0K | 65 | 58 |
| 32 | Medical genetics | 671 | 50.7K | 39 | 43 |
| 33 | Cardiovascular system | 616 | 50.0K | 22 | 33 |
| 34 | Hematology | 926 | 47.6K | 45 | 52 |
| 35 | Nanotechnology | 481 | 47.2K | 209 | 123 |
| 36 | Nuclear Physics | 1,384 | 45.8K | 150 | 187 |
| 37 | Child Development | 637 | 44.8K | 11 | 13 |
| 38 | Hypertension | 641 | 44.5K | 16 | 28 |
| 39 | Biotechnology | 424 | 44.0K | 194 | 92 |
| 40 | Physiology | 894 | 43.3K | 61 | 61 |
| 41 | drug therapy | 650 | 43.0K | 5 | 4 |
| 42 | Spectrum analysis | 649 | 42.7K | 144 | 151 |
| 43 | Immunity | 315 | 42.0K | 41 | 49 |
| 44 | Child psychology | 535 | 40.9K | 19 | 18 |
| 45 | Psychophysiology | 752 | 40.8K | 40 | 49 |
| 46 | Therapeutics | 543 | 40.6K | 6 | 5 |
| 47 | Astronomy | 648 | 40.3K | 201 | 205 |
| 48 | Child | 739 | 40.1K | 12 | 3 |
| 49 | Metabolic diseases | 616 | 39.3K | 23 | 44 |
| 50 | Public Health | 774 | 38.6K | 102 | 93 |
| 51 | Metabolism | 765 | 38.1K | 17 | 58 |
| 52 | Critical Care | 512 | 37.5K | 9 | 11 |
| 53 | Critical Care Medicine | 506 | 37.4K | 9 | 11 |
| 54 | Bioengineering | 293 | 37.1K | 162 | 76 |
| 55 | Growth | 267 | 36.6K | 34 | 22 |
| 56 | Urology | 913 | 35.4K | 15 | 17 |
| 57 | Embryology | 326 | 32.6K | 29 | 25 |
| 58 | Special Education | 613 | 32.2K | 1 | 1 |
| 59 | Oncology | 365 | 31.8K | 31 | 28 |
| 60 | Cell differentiation | 298 | 31.1K | 38 | 33 |
| 61 | Anatomy | 321 | 31.0K | 33 | 24 |
| 62 | Epidemiology | 398 | 30.5K | 98 | 56 |
| 63 | Nuclear Engineering | 852 | 30.2K | 11 | 2 |
| 64 | Nutrition | 551 | 27.6K | 54 | 55 |
| 65 | Social Psychology | 336 | 27.0K | 61 | 56 |
| 66 | Behavior | 502 | 26.9K | 64 | 68 |
| 67 | Mental Disorders | 422 | 26.4K | 69 | 73 |
| 68 | Pharmaceutical Chemistry | 541 | 25.5K | 44 | 43 |
| 69 | Diabetes | 434 | 25.5K | 24 | 37 |
| 70 | marketing | 83 | 25.1K | 179 | 28 |
| 71 | Diabetes mellitus | 427 | 25.1K | 22 | 33 |
| 72 | viruses | 356 | 25.0K | 24 | 31 |
| 73 | Biomedical Engineering | 658 | 24.2K | 71 | 77 |
| 74 | miniaturization | 167 | 23.8K | 87 | 43 |
| 75 | Clinical Psychology | 288 | 23.8K | 10 | 7 |
| 76 | Developmental Disabilities | 413 | 23.3K | 1 | 4 |
| 77 | Neurochemistry | 405 | 22.9K | 38 | 39 |
| 78 | Computational Biology | 235 | 22.1K | 71 | 52 |
| 79 | Intellectual disability | 391 | 21.9K | 1 | 1 |
| 80 | cell physiology | 328 | 21.8K | 14 | 18 |
| 81 | Microelectronics | 156 | 21.4K | 95 | 40 |
| 82 | Perception | 482 | 20.9K | 30 | 23 |
| 83 | Brain | 358 | 20.7K | 89 | 76 |
| 84 | Ecology | 235 | 20.6K | 568 | 405 |
| 85 | Cytogenetics | 178 | 20.4K | 49 | 39 |
| 86 | Materials | 341 | 20.1K | 500 | 355 |
| 87 | Neurobiology | 253 | 20.1K | 52 | 44 |
| 88 | Pathology | 411 | 19.7K | 26 | 43 |
| 89 | Host-parasite interactions | 197 | 19.5K | 21 | 23 |
| 90 | Economics | 433 | 19.3K | 140 | 103 |
| 91 | Oncogenes | 191 | 19.0K | 18 | 12 |
| 92 | Psychopharmacology | 270 | 18.9K | 30 | 37 |
| 93 | human behavior | 276 | 18.4K | 70 | 76 |
| 94 | Bioinformatics | 172 | 18.4K | 78 | 46 |
| 95 | Neurons | 100 | 18.3K | 48 | 57 |
| 96 | genome | 131 | 17.8K | 63 | 57 |
| 97 | Immune system | 58 | 17.1K | 98 | 52 |
| 98 | Genomics | 360 | 17.1K | 51 | 49 |
| 99 | Developmental Genetics | 118 | 17.0K | 27 | 30 |
| 100 | Mental illness | 239 | 16.9K | 68 | 67 |
| 101 | Genetic regulation | 130 | 16.9K | 32 | 31 |
| 102 | psychotherapy | 156 | 16.2K | 48 | 22 |
| 103 | transport vesicles | 15 | 16.0K | 24 | 36 |
| 104 | Medical Oncology | 315 | 15.8K | 40 | 38 |
| 105 | Nervous system | 237 | 15.7K | 90 | 87 |
| 106 | Memory | 341 | 15.6K | 42 | 41 |
| 107 | nucleic acids | 174 | 15.5K | 77 | 95 |
| 108 | Cognitive neuroscience | 172 | 15.4K | 30 | 33 |
| 109 | Cognition | 317 | 15.3K | 36 | 50 |
| 110 | Gene expression regulation | 108 | 15.2K | 33 | 31 |
| 111 | Analytical Chemistry | 271 | 15.1K | 276 | 148 |
| 112 | Learning disabilities | 315 | 14.8K | 3 | 2 |
| 113 | Ophthalmology | 337 | 14.8K | 47 | 43 |
| 114 | free radicals | 183 | 14.6K | 13 | 14 |
| 115 | Medical Microbiology | 219 | 14.5K | 76 | 65 |
| 116 | Proteome | 156 | 13.7K | 20 | 12 |
| 117 | Materials Science | 312 | 13.7K | 274 | 276 |
| 118 | Obstetrics | 392 | 13.7K | 58 | 57 |
| 119 | Schizophrenia | 190 | 13.7K | 29 | 17 |
| 120 | Virulence | 169 | 13.6K | 22 | 26 |
| 121 | Cell metabolism | 69 | 13.5K | 17 | 21 |
| 122 | Community Psychology | 192 | 13.4K | 3 | 2 |
| 123 | Homeostasis | 62 | 13.4K | 15 | 21 |
| 124 | Econometrics | 100 | 13.3K | 84 | 37 |
| 125 | Medical Physics | 420 | 13.2K | 28 | 40 |
| 126 | Sociology | 259 | 13.2K | 116 | 90 |
| 127 | Lipids | 173 | 13.2K | 9 | 7 |
| 128 | Clinical Chemistry | 268 | 12.9K | 81 | 65 |
| 129 | nanoscience | 172 | 12.8K | 188 | 154 |
| 130 | Political Science | 280 | 12.8K | 38 | 30 |
| 131 | Diagnostic microbiology | 156 | 12.2K | 27 | 30 |
| 132 | Biochemical Engineering | 61 | 11.9K | 633 | 237 |
| 133 | Pollution | 143 | 11.9K | 613 | 439 |
| 134 | Learning | 193 | 11.7K | 29 | 27 |
| 135 | viral genetics | 50 | 11.6K | 39 | 32 |
| 136 | Environment | 252 | 11.6K | 325 | 492 |
| 137 | Attention | 324 | 11.6K | 38 | 36 |
| 138 | Allergy | 217 | 11.6K | 27 | 80 |
| 139 | Cognitive Science | 141 | 11.5K | 36 | 37 |
| 140 | Radiography | 278 | 11.5K | 8 | 19 |
| 140 | Educational Psychology | 235 | 11.5K | 23 | 24 |
| 142 | finance | 79 | 11.4K | 295 | 63 |
| 143 | Quantum Gravity | 354 | 11.4K | 188 | 248 |
| 144 | Diet | 236 | 11.3K | 53 | 87 |
| 145 | proteins | 207 | 11.3K | 49 | 43 |
| 146 | Health | 243 | 11.3K | 56 | 43 |
| 147 | Emergency Medicine | 370 | 11.2K | 10 | 13 |
| 148 | Solid State Physics | 262 | 11.2K | 420 | 326 |
| 149 | Electronics | 266 | 11.1K | 175 | 128 |
| 150 | Environmental Health | 201 | 11.0K | 388 | 352 |
| 151 | Autism | 221 | 11.0K | 4 | 7 |
| 152 | Diagnostic Imaging | 261 | 11.0K | 32 | 32 |
| 153 | Statistics | 195 | 10.9K | 159 | 101 |
| 154 | Hemodynamics | 201 | 10.9K | 9 | 20 |
| 155 | Mathematics | 633 | 10.8K | 246 | 192 |
| 156 | Dermatology | 288 | 10.8K | 56 | 51 |
| 157 | Transplantation | 226 | 10.8K | 41 | 48 |
| 158 | Geriatrics | 340 | 10.8K | 94 | 116 |
| 159 | Neuropsychology | 241 | 10.8K | 78 | 74 |
| 160 | Condensed Matter | 216 | 10.5K | 439 | 339 |
| 161 | Chronic diseases | 52 | 10.5K | 77 | 49 |
| 162 | medical education | 308 | 10.5K | 44 | 35 |
| 163 | pain | 158 | 10.3K | 58 | 62 |
| 164 | Health Policy | 319 | 10.3K | 50 | 51 |
| 165 | Biocompatible Materials | 224 | 10.2K | 290 | 349 |
| 166 | Medical innovations | 110 | 10.2K | 30 | 34 |
| 167 | Obesity | 215 | 10.0K | 70 | 75 |
| 168 | drug development | 128 | 10.0K | 25 | 32 |
| 169 | gene mapping | 181 | 10.0K | 56 | 69 |
| 170 | Visual Perception | 302 | 10.0K | 38 | 40 |
| 171 | Speech Disorders | 369 | 9.9K | 13 | 20 |
| 172 | Mass Spectrometry | 132 | 9.8K | 19 | 5 |
| 173 | management | 129 | 9.5K | 334 | 269 |
| 174 | personality | 84 | 9.3K | 163 | 87 |
| 175 | Research Design | 146 | 8.8K | 33 | 48 |
| 176 | Membranes | 164 | 8.7K | 80 | 80 |
| 177 | Molecular structure | 135 | 8.7K | 96 | 75 |
| 178 | Engineering | 236 | 8.7K | 181 | 95 |
| 179 | Pediatric Neurology | 93 | 8.6K | 63 | 74 |
| 180 | Disease | 31 | 8.5K | 12 | 48 |
| 181 | Vision | 145 | 8.5K | 17 | 21 |
| 182 | Sports Medicine | 165 | 8.4K | 145 | 91 |
| 183 | Thrombosis | 132 | 8.4K | 47 | 35 |
| 184 | Vaccines | 227 | 8.3K | 23 | 30 |
| 185 | Adolescent | 298 | 8.2K | 41 | 56 |
| 186 | Environmental Policy | 68 | 8.2K | 470 | 188 |
| 187 | Bacterial infections | 67 | 8.2K | 30 | 27 |
| 188 | psychopathology | 57 | 8.1K | 13 | 9 |
| 189 | diseases | 18 | 8.0K | 39 | 53 |
| 190 | enzymes | 135 | 8.0K | 38 | 12 |
| 191 | mycoses | 56 | 7.9K | 34 | 26 |
| 192 | Analytical Biochemistry | 128 | 7.9K | 28 | 26 |
| 193 | Immunotherapy | 88 | 7.9K | 143 | 108 |
| 194 | Language Disorders | 257 | 7.9K | 10 | 13 |
| 195 | Proteomics | 88 | 7.8K | 27 | 14 |
| 196 | Kidney diseases | 215 | 7.7K | 10 | 12 |
| 197 | rehabilitation | 170 | 7.7K | 100 | 82 |
| 198 | biological evolution | 75 | 7.7K | 291 | 214 |
| 199 | Teaching | 222 | 7.5K | 26 | 37 |
| 200 | vascular diseases | 113 | 7.5K | 30 | 30 |
| 201 | Chromosome mapping | 154 | 7.5K | 49 | 62 |
| 202 | Image Processing | 49 | 7.5K | 417 | 134 |
| 203 | Developmental Psychology | 141 | 7.4K | 41 | 53 |
| 203 | Reproduction | 205 | 7.4K | 104 | 102 |
| 205 | Animal Behavior | 91 | 7.4K | 262 | 173 |
| 206 | Molecular Pharmacology | 117 | 7.4K | 13 | 13 |
| 207 | arthritis | 147 | 7.3K | 62 | 81 |
| 208 | Bacteriology | 129 | 7.3K | 144 | 152 |
| 209 | Liver diseases | 104 | 7.3K | 119 | 145 |
| 210 | carcinogens | 101 | 7.3K | 28 | 12 |
| 211 | Parenteral nutrition | 121 | 7.3K | 17 | 39 |
| 212 | Hearing | 283 | 7.2K | 5 | 9 |
| 213 | Audiology | 198 | 7.2K | 14 | 20 |
| 214 | Pharmacogenetics | 160 | 7.2K | 5 | 11 |
| 215 | Carcinogenesis | 103 | 7.2K | 20 | 10 |
| 216 | Nanostructures | 33 | 7.1K | 406 | 89 |
| 217 | Evolution | 71 | 6.9K | 280 | 187 |
| 218 | Bioorganic chemistry | 232 | 6.9K | 65 | 127 |
| 219 | Environmental Engineering | 112 | 6.9K | 356 | 308 |
| 220 | Orthopedics | 187 | 6.8K | 52 | 46 |
| 221 | Reading | 115 | 6.7K | 9 | 4 |
| 222 | Social Sciences | 241 | 6.7K | 126 | 133 |
| 223 | Emotions | 96 | 6.7K | 10 | 15 |
| 224 | mutagens | 85 | 6.7K | 22 | 10 |
| 225 | Speech | 250 | 6.7K | 14 | 27 |
| 226 | Psychometrics | 97 | 6.6K | 26 | 26 |
| 227 | Signal Transduction | 104 | 6.6K | 51 | 51 |
| 228 | Optics | 232 | 6.6K | 401 | 299 |
| 229 | Organic Chemistry | 275 | 6.6K | 91 | 190 |
| 230 | Nephrology | 169 | 6.5K | 14 | 15 |
| 231 | Heart Failure | 143 | 6.3K | 12 | 17 |
| 232 | Signal Processing | 39 | 6.3K | 678 | 223 |
| 233 | consumer behavior | 52 | 6.3K | 19 | 10 |
| 234 | Ethology | 63 | 6.3K | 256 | 159 |
| 235 | Thorax | 165 | 6.2K | 14 | 11 |
| 236 | Radiobiology | 202 | 6.2K | 48 | 81 |
| 237 | Artificial Intelligence | 149 | 6.1K | 259 | 267 |
| 238 | Nuclear Medicine | 46 | 6.1K | 156 | 33 |
| 239 | Rheumatology | 117 | 6.0K | 50 | 66 |
| 240 | United Kingdom | 103 | 6.0K | 105 | 86 |
| 241 | Hormones | 106 | 6.0K | 57 | 32 |
| 242 | Europe | 54 | 5.9K | 589 | 136 |
| 243 | Geology | 84 | 5.8K | 577 | 317 |
| 244 | Robotics | 112 | 5.8K | 89 | 55 |
| 245 | Statistical physics | 181 | 5.7K | 431 | 391 |
| 246 | Lung Transplantation | 121 | 5.6K | 17 | 17 |
| 246 | Heart transplantation | 121 | 5.6K | 17 | 17 |
| 248 | Health promotion | 131 | 5.6K | 56 | 60 |
| 249 | Antioxidants | 61 | 5.6K | 18 | 13 |
| 250 | Health Education | 132 | 5.5K | 128 | 85 |
| 251 | nuclear magnetic resonance | 150 | 5.5K | 40 | 33 |
| 252 | Aging | 230 | 5.5K | 141 | 202 |
| 253 | Chemical Engineering | 106 | 5.4K | 788 | 656 |
| 254 | Experimental Psychology | 102 | 5.4K | 5 | 17 |
| 255 | Adolescent Medicine | 104 | 5.3K | 26 | 38 |
| 256 | Clinical Immunology | 178 | 5.3K | 17 | 26 |
| 257 | Magnetic Resonance Spectroscopy | 134 | 5.3K | 47 | 28 |
| 258 | Social behavior | 112 | 5.3K | 50 | 66 |
| 259 | Respiration | 157 | 5.2K | 65 | 105 |
| 260 | Sleep Disorders | 124 | 5.2K | 83 | 76 |
| 261 | infection | 89 | 5.1K | 115 | 77 |
| 262 | Surface Chemistry | 134 | 5.1K | 470 | 436 |
| 263 | Molecular Imaging | 21 | 5.0K | 167 | 32 |
| 264 | Sleep | 122 | 5.0K | 88 | 84 |
| 265 | Photonics | 76 | 5.0K | 279 | 205 |
| 266 | Medical Technology | 123 | 5.0K | 26 | 19 |
| 267 | Nanostructured Materials | 125 | 5.0K | 385 | 363 |
| 268 | Oxidation-reduction | 58 | 4.9K | 33 | 35 |
| 269 | Histology | 101 | 4.9K | 148 | 120 |
| 270 | behavior therapy | 127 | 4.9K | 35 | 42 |
| 271 | Catalysis | 114 | 4.8K | 644 | 654 |
| 272 | Cybernetics | 52 | 4.8K | 225 | 111 |
| 273 | Colloids | 119 | 4.8K | 523 | 500 |
| 274 | sanitation | 50 | 4.7K | 279 | 263 |
| 275 | Medical Anthropology | 76 | 4.7K | 122 | 112 |
| 276 | Community Psychiatry | 135 | 4.7K | 29 | 40 |
| 277 | Economic History | 152 | 4.7K | 217 | 149 |
| 278 | behavioral medicine | 118 | 4.7K | 55 | 105 |
| 279 | health services | 100 | 4.7K | 65 | 33 |
| 280 | behavior modification | 118 | 4.7K | 12 | 20 |
| 281 | Environmental Economics | 18 | 4.7K | 48 | 7 |
| 282 | Clinical Trials | 80 | 4.6K | 31 | 13 |
| 283 | Stem cells | 98 | 4.6K | 98 | 97 |
| 284 | Cerebral cortex | 107 | 4.6K | 41 | 74 |
| 285 | Biometrics | 127 | 4.6K | 51 | 61 |
| 286 | Decision making | 123 | 4.6K | 40 | 70 |
| 287 | General Surgery | 200 | 4.5K | 12 | 7 |
| 288 | Systems Biology | 113 | 4.4K | 47 | 40 |
| 289 | Health Services Administration | 99 | 4.4K | 43 | 33 |
| 290 | Medical Laboratory Science | 92 | 4.4K | 148 | 180 |
| 291 | Molecular Spectroscopy | 117 | 4.4K | 52 | 33 |
| 292 | School Psychology | 72 | 4.3K | 30 | 18 |
| 293 | human development | 83 | 4.3K | 45 | 44 |
| 294 | Otolaryngology | 165 | 4.3K | 14 | 17 |
| 295 | Physical Chemistry | 108 | 4.3K | 225 | 251 |
| 296 | Petrology | 43 | 4.3K | 231 | 105 |
| 297 | Industrial Safety | 73 | 4.3K | 52 | 26 |
| 298 | Sports | 40 | 4.1K | 502 | 152 |
| 298 | fertility | 98 | 4.1K | 67 | 82 |
| 300 | Genetic therapy | 90 | 4.1K | 61 | 62 |
| 301 | Infertility | 95 | 4.1K | 62 | 78 |
| 302 | health behavior | 101 | 4.1K | 62 | 59 |
| 303 | Genetic engineering | 76 | 4.0K | 181 | 167 |
| 304 | Anxiety Disorders | 71 | 4.0K | 27 | 40 |
| 305 | protein | 96 | 4.0K | 56 | 83 |
| 306 | Water | 87 | 4.0K | 303 | 380 |
| 307 | gene therapy | 79 | 4.0K | 60 | 70 |
| 308 | Spine | 93 | 3.9K | 30 | 59 |
| 309 | System analysis | 97 | 3.9K | 180 | 114 |
| 310 | Neurotoxicology | 74 | 3.9K | 4 | 3 |
| 310 | Anxiety | 70 | 3.9K | 28 | 41 |
| 312 | preventive medicine | 105 | 3.8K | 71 | 105 |
| 313 | counseling | 140 | 3.8K | 69 | 80 |
| 314 | Space telescopes | 3 | 3.8K | 164 | 13 |
| 315 | Polymers | 114 | 3.8K | 751 | 673 |
| 316 | collagen | 33 | 3.8K | 13 | 8 |
| 317 | adolescence | 78 | 3.8K | 71 | 60 |
| 318 | Production Management | 56 | 3.7K | 100 | 122 |
| 319 | Communication | 92 | 3.7K | 196 | 196 |
| 320 | Extracellular matrix | 31 | 3.7K | 14 | 6 |
| 321 | Information Science | 83 | 3.7K | 208 | 183 |
| 322 | Chromosomes | 34 | 3.6K | 134 | 35 |
| 323 | Developing countries | 84 | 3.6K | 192 | 153 |
| 324 | Molecular Genetics | 58 | 3.6K | 276 | 245 |
| 325 | histological techniques | 71 | 3.6K | 18 | 20 |
| 326 | Substance Abuse | 92 | 3.6K | 133 | 91 |
| 327 | Physical Therapy | 108 | 3.6K | 89 | 114 |
| 328 | Molecular Microbiology | 44 | 3.6K | 136 | 137 |
| 329 | Electrophysiology | 106 | 3.5K | 42 | 34 |
| 330 | Performance | 50 | 3.5K | 7 | 4 |
| 331 | Environmental monitoring | 68 | 3.5K | 575 | 513 |
| 332 | Technology | 112 | 3.4K | 422 | 398 |
| 333 | Psycholinguistics | 94 | 3.4K | 70 | 100 |
| 334 | Energy Conversion | 18 | 3.4K | 452 | 237 |
| 335 | Chemotherapy | 94 | 3.4K | 79 | 60 |
| 336 | environmental pollution | 64 | 3.4K | 846 | 711 |
| 337 | Leukemia | 79 | 3.4K | 91 | 150 |
| 338 | Mineralogy | 42 | 3.3K | 312 | 164 |
| 339 | Infections | 51 | 3.3K | 133 | 110 |
| 340 | Sales management | 12 | 3.3K | 73 | 19 |
| 340 | selling | 12 | 3.3K | 73 | 19 |
| 342 | Pharmacy | 49 | 3.3K | 357 | 165 |
| 343 | mutation | 26 | 3.3K | 83 | 22 |
| 344 | Microbial Ecology | 50 | 3.3K | 431 | 412 |
| 345 | Nursing | 197 | 3.3K | 46 | 71 |
| 346 | Bones | 65 | 3.3K | 43 | 64 |
| 347 | Botany | 103 | 3.2K | 646 | 741 |
| 348 | drugs | 102 | 3.2K | 140 | 147 |
| 349 | cell interaction | 65 | 3.2K | 36 | 23 |
| 350 | Drug design | 65 | 3.2K | 83 | 62 |
| 351 | alcoholism | 106 | 3.1K | 131 | 155 |
| 352 | Adolescent Psychology | 74 | 3.1K | 49 | 52 |
| 353 | at-risk youth | 46 | 3.1K | 2 | 1 |
| 354 | prostaglandins | 65 | 3.1K | 7 | 4 |
| 355 | Microscopy | 91 | 3.1K | 46 | 55 |
| 356 | Business | 64 | 3.0K | 291 | 380 |
| 357 | Radiology | 180 | 3.0K | 33 | 48 |
| 358 | Mental Health | 101 | 3.0K | 103 | 89 |
| 359 | Mechatronics | 53 | 2.9K | 72 | 34 |
| 360 | Economic Development | 61 | 2.9K | 173 | 191 |
| 361 | Operations Research | 59 | 2.8K | 390 | 253 |
| 362 | Combinatorial chemistry | 30 | 2.8K | 120 | 67 |
| 362 | Light | 29 | 2.8K | 188 | 194 |
| 364 | epilepsy | 90 | 2.8K | 34 | 37 |
| 365 | Criminology | 47 | 2.8K | 162 | 76 |
| 366 | Biomechanics | 65 | 2.8K | 143 | 158 |
| 367 | heredity | 41 | 2.8K | 53 | 18 |
| 368 | Environmental Toxicology | 43 | 2.8K | 424 | 267 |
| 369 | cytokines | 27 | 2.8K | 216 | 65 |
| 370 | Meteorology | 40 | 2.8K | 514 | 404 |
| 371 | Electrochemistry | 284 | 2.8K | 285 | 621 |
| 372 | psychophysics | 66 | 2.7K | 4 | 3 |
| 373 | Personality Assessment | 44 | 2.7K | 47 | 46 |
| 374 | Water pollution | 64 | 2.7K | 438 | 470 |
| 375 | organization | 36 | 2.7K | 121 | 152 |
| 376 | Health insurance | 58 | 2.7K | 40 | 43 |
| 377 | Ergonomics | 88 | 2.7K | 81 | 58 |
| 378 | Growth factors | 24 | 2.7K | 9 | 8 |
| 379 | Youth | 40 | 2.6K | 82 | 50 |
| 380 | commerce | 48 | 2.6K | 143 | 172 |
| 381 | Metastasis | 16 | 2.6K | 14 | 6 |
| 382 | Molecular evolution | 51 | 2.6K | 199 | 218 |
| 383 | Educational Technology | 97 | 2.6K | 38 | 74 |
| 384 | Geochemistry | 37 | 2.5K | 563 | 415 |
| 385 | Metallurgy | 38 | 2.5K | 550 | 313 |
| 386 | Clinical Pharmacology | 72 | 2.5K | 102 | 93 |
| 387 | Drug delivery systems | 24 | 2.5K | 400 | 178 |
| 388 | Muscles | 55 | 2.5K | 63 | 67 |
| 389 | Digestive system diseases | 75 | 2.5K | 67 | 45 |
| 390 | eugenics | 49 | 2.5K | 35 | 13 |
| 391 | polymerization | 79 | 2.5K | 774 | 701 |
| 392 | Computer Vision | 39 | 2.5K | 163 | 174 |
| 393 | DNA polymerases | 25 | 2.5K | 64 | 85 |
| 394 | Metals | 32 | 2.5K | 521 | 316 |
| 395 | calcification | 17 | 2.4K | 142 | 26 |
| 396 | Cytokine | 19 | 2.4K | 46 | 13 |
| 397 | Histochemistry | 40 | 2.4K | 116 | 43 |
| 398 | Geophysics | 64 | 2.4K | 771 | 703 |
| 399 | Molecular ecology | 26 | 2.3K | 291 | 231 |
| 400 | Alzheimer's disease | 282 | 2.3K | 53 | 142 |
| 401 | North America | 58 | 2.3K | 62 | 25 |
| 402 | visualization | 187 | 2.3K | 34 | 60 |
| 403 | Pharmacokinetics | 46 | 2.3K | 51 | 31 |
| 404 | Environmental Chemistry | 23 | 2.3K | 557 | 396 |
| 405 | Cardiovascular diseases | 113 | 2.3K | 100 | 195 |
| 406 | Building Materials | 7 | 2.3K | 1,183 | 321 |
| 407 | Population Genetics | 26 | 2.3K | 336 | 226 |
| 408 | Developmental Immunology | 24 | 2.3K | 83 | 19 |
| 409 | Transportation | 64 | 2.2K | 250 | 223 |
| 410 | Patient education | 43 | 2.2K | 63 | 50 |
| 411 | Genetic epidemiology | 35 | 2.2K | 35 | 21 |
| 412 | Women's health | 105 | 2.2K | 45 | 77 |
| 413 | Mental Health Services | 75 | 2.2K | 100 | 103 |
| 414 | Health Services Research | 92 | 2.2K | 137 | 189 |
| 415 | Lipid metabolism | 28 | 2.1K | 24 | 13 |
| 415 | Lipid | 28 | 2.1K | 26 | 13 |
| 417 | Gerontology | 144 | 2.1K | 136 | 209 |
| 418 | Classification | 3 | 2.1K | 261 | 28 |
| 419 | Organizational Behavior | 34 | 2.1K | 73 | 91 |
| 420 | Optical materials | 54 | 2.1K | 543 | 586 |
| 421 | Neuromuscular diseases | 48 | 2.1K | 53 | 53 |
| 422 | Cell death | 45 | 2.1K | 172 | 259 |
| 423 | Steroids | 63 | 2.1K | 63 | 65 |
| 424 | mathematical analysis | 102 | 2.0K | 266 | 197 |
| 425 | brain mapping | 52 | 2.0K | 57 | 98 |
| 426 | Neuropsychiatry | 70 | 2.0K | 47 | 66 |
| 427 | Food | 43 | 2.0K | 672 | 548 |
| 428 | Clinical Biochemistry | 61 | 2.0K | 80 | 103 |
| 429 | Endocrine glands | 18 | 2.0K | 33 | 27 |
| 430 | Risk | 61 | 2.0K | 17 | 49 |
| 431 | Cardiac electrophysiology | 56 | 2.0K | 14 | 27 |
| 431 | arrhythmia | 56 | 2.0K | 14 | 27 |
| 433 | cloning | 26 | 2.0K | 92 | 93 |
| 434 | Liposomes | 49 | 1.9K | 17 | 52 |
| 435 | Mathematical Physics | 90 | 1.9K | 462 | 464 |
| 436 | drug addiction | 59 | 1.9K | 149 | 176 |
| 437 | Lipid bilayers | 47 | 1.9K | 11 | 52 |
| 438 | Immunopathology | 60 | 1.9K | 154 | 178 |
| 439 | Information Theory | 51 | 1.9K | 202 | 191 |
| 440 | Renewable Energy Sources | 12 | 1.9K | 1,374 | 761 |
| 441 | Dementia | 269 | 1.9K | 53 | 147 |
| 442 | Insects | 31 | 1.9K | 297 | 134 |
| 443 | computer networks | 38 | 1.9K | 566 | 345 |
| 444 | Automation | 49 | 1.9K | 432 | 489 |
| 445 | Composite Materials | 37 | 1.9K | 726 | 663 |
| 446 | Magnetic Materials | 15 | 1.9K | 671 | 188 |
| 447 | Communication in medicine | 28 | 1.9K | 91 | 43 |
| 448 | child abuse | 46 | 1.8K | 104 | 113 |
| 449 | Engineering Mathematics | 54 | 1.8K | 236 | 159 |
| 450 | Machine Learning | 10 | 1.8K | 112 | 57 |
| 451 | Social problems | 39 | 1.8K | 60 | 81 |
| 452 | environmental protection | 50 | 1.8K | 646 | 689 |
| 453 | Hearing Aids | 70 | 1.8K | 2 | 3 |
| 454 | Radio | 39 | 1.8K | 336 | 303 |
| 455 | Depression | 29 | 1.8K | 37 | 56 |
| 456 | International Relations | 50 | 1.8K | 154 | 100 |
| 456 | Molecules | 70 | 1.8K | 213 | 229 |
| 458 | Carbon | 36 | 1.7K | 202 | 278 |
| 459 | city planning | 24 | 1.7K | 461 | 202 |
| 460 | Neuropharmacology | 31 | 1.7K | 63 | 33 |
| 461 | Computer-Aided Design | 47 | 1.7K | 141 | 129 |
| 462 | Family Therapy | 49 | 1.7K | 87 | 48 |
| 463 | Retina | 9 | 1.6K | 50 | 53 |
| 463 | eye | 9 | 1.6K | 64 | 53 |
| 465 | Medical Ethics | 166 | 1.6K | 32 | 60 |
| 466 | Parasitology | 72 | 1.6K | 268 | 320 |
| 467 | Primary health care | 79 | 1.6K | 155 | 219 |
| 468 | Writing | 27 | 1.6K | 21 | 10 |
| 469 | Numerical Analysis | 68 | 1.6K | 289 | 259 |
| 470 | blood transfusion | 106 | 1.6K | 31 | 61 |
| 471 | mental health policy | 48 | 1.6K | 12 | 17 |
| 472 | Neurosurgery | 53 | 1.6K | 84 | 146 |
| 473 | Social work | 76 | 1.6K | 158 | 150 |
| 474 | Fracture mechanics | 35 | 1.5K | 327 | 204 |
| 475 | Hydrology | 46 | 1.5K | 487 | 476 |
| 476 | child behavior | 39 | 1.5K | 34 | 44 |
| 477 | Combustion | 40 | 1.5K | 247 | 206 |
| 478 | Electromagnetism | 4 | 1.5K | 874 | 125 |
| 479 | Political Sociology | 26 | 1.5K | 69 | 38 |
| 480 | language | 74 | 1.5K | 46 | 112 |
| 481 | Genes | 34 | 1.5K | 157 | 95 |
| 482 | Energy Policy | 19 | 1.5K | 1,053 | 717 |
| 483 | peace | 31 | 1.5K | 77 | 67 |
| 484 | international trade | 35 | 1.5K | 49 | 70 |
| 485 | Anthropology | 108 | 1.5K | 144 | 203 |
| 486 | Political Psychology | 31 | 1.5K | 40 | 40 |
| 487 | Biopharmaceutics | 32 | 1.5K | 152 | 137 |
| 488 | Information Systems | 91 | 1.5K | 33 | 129 |
| 488 | child mental health | 44 | 1.5K | 31 | 23 |
| 490 | Child welfare | 61 | 1.5K | 101 | 111 |
| 491 | Enteral nutrition | 52 | 1.4K | 49 | 158 |
| 491 | Recombinant DNA | 41 | 1.4K | 200 | 198 |
| 493 | Computer Graphics | 37 | 1.4K | 366 | 279 |
| 494 | Bone diseases | 11 | 1.4K | 157 | 102 |
| 495 | energy resources | 15 | 1.4K | 508 | 386 |
| 496 | Regional Planning | 14 | 1.4K | 660 | 254 |
| 497 | Family | 32 | 1.4K | 199 | 146 |
| 498 | Plant cells | 13 | 1.4K | 509 | 481 |
| 499 | Molecular cloning | 37 | 1.4K | 204 | 181 |
| 499 | Genetic recombination | 37 | 1.4K | 196 | 177 |
| 499 | Geriatric Oncology | 24 | 1.4K | 86 | 45 |
| 499 | Telecommunication | 18 | 1.4K | 1,075 | 555 |
| 503 | DNA repair | 26 | 1.4K | 29 | 22 |
| 504 | Criminal psychology | 18 | 1.4K | 263 | 123 |
| 505 | Psychosomatic Medicine | 66 | 1.4K | 53 | 138 |
| 506 | Energy Storage | 13 | 1.4K | 538 | 239 |
| 507 | biological factors | 33 | 1.4K | 385 | 314 |
| 508 | Public Policy | 47 | 1.4K | 270 | 295 |
| 508 | Microorganisms | 17 | 1.4K | 320 | 252 |
| 510 | innovation | 18 | 1.3K | 113 | 188 |
| 511 | Educational evaluation | 18 | 1.3K | 19 | 5 |
| 512 | crime | 17 | 1.3K | 234 | 98 |
| 513 | natural products | 27 | 1.3K | 455 | 253 |
| 514 | Parasitic Diseases | 28 | 1.3K | 485 | 339 |
| 515 | economic conditions | 31 | 1.3K | 71 | 71 |
| 516 | Human-Computer Interaction | 29 | 1.3K | 269 | 184 |
| 517 | Criminal Law | 8 | 1.3K | 139 | 19 |
| 518 | children | 25 | 1.3K | 66 | 54 |
| 519 | Immunogenetics | 34 | 1.3K | 74 | 69 |
| 520 | Economic Thought | 27 | 1.3K | 31 | 64 |
| 521 | Hemostasis | 29 | 1.3K | 123 | 62 |
| 522 | Philosophy | 185 | 1.3K | 80 | 164 |
| 522 | Agricultural Chemistry | 8 | 1.3K | 1,384 | 500 |
| 524 | Literacy | 25 | 1.3K | 31 | 6 |
| 525 | Uncertainty | 33 | 1.3K | 4 | 15 |
| 526 | Nutrition physiology | 22 | 1.3K | 146 | 106 |
| 526 | water supply | 32 | 1.3K | 197 | 237 |
| 528 | older people | 138 | 1.3K | 110 | 184 |
| 529 | Pharmacogenomics | 36 | 1.3K | 4 | 10 |
| 530 | isomerism | 34 | 1.3K | 11 | 6 |
| 530 | Chirality | 34 | 1.3K | 11 | 6 |
| 532 | International Finance | 33 | 1.2K | 363 | 289 |
| 533 | Artificial Organs | 71 | 1.2K | 30 | 37 |
| 534 | scientific societies | 35 | 1.2K | 92 | 82 |
| 535 | Entomology | 37 | 1.2K | 543 | 372 |
| 536 | economic policy | 83 | 1.2K | 225 | 324 |
| 537 | Bioethics | 86 | 1.2K | 55 | 65 |
| 538 | health planning | 47 | 1.2K | 321 | 277 |
| 539 | Archaeology | 55 | 1.2K | 219 | 210 |
| 540 | Investment analysis | 15 | 1.2K | 224 | 73 |
| 541 | Precision medicine | 36 | 1.2K | 12 | 9 |
| 542 | Music | 42 | 1.2K | 93 | 54 |
| 543 | Developmental Neurobiology | 29 | 1.2K | 37 | 30 |
| 544 | chronic disease | 28 | 1.2K | 42 | 40 |
| 545 | Linguistics | 52 | 1.2K | 225 | 215 |
| 546 | Insect biochemistry | 17 | 1.2K | 111 | 55 |
| 547 | Smart Materials | 12 | 1.2K | 392 | 123 |
| 548 | biomedicine | 36 | 1.2K | 23 | 28 |
| 549 | Functional Analysis | 69 | 1.2K | 107 | 154 |
| 550 | Energy Harvesting | 9 | 1.2K | 213 | 163 |
| 551 | Information Technology | 35 | 1.2K | 452 | 504 |
| 552 | Meteorites | 15 | 1.2K | 419 | 357 |
| 553 | Synapses | 20 | 1.2K | 45 | 28 |
| 554 | Structural optimization | 14 | 1.2K | 102 | 52 |
| 555 | Reproductive toxicology | 13 | 1.2K | 94 | 48 |
| 556 | Zoology | 30 | 1.2K | 778 | 500 |
| 557 | nuclear magnetic resonance spectroscopy | 25 | 1.2K | 149 | 77 |
| 558 | speech therapy | 56 | 1.2K | 23 | 38 |
| 559 | Photochemistry | 25 | 1.2K | 432 | 289 |
| 560 | Biodiversity | 20 | 1.2K | 735 | 544 |
| 561 | vitamin C | 19 | 1.1K | 31 | 24 |
| 561 | vitamin E | 19 | 1.1K | 31 | 24 |
| 563 | Nuclear Chemistry | 75 | 1.1K | 62 | 86 |
| 564 | Software Engineering | 26 | 1.1K | 231 | 189 |
| 565 | technology transfer | 3 | 1.1K | 251 | 20 |
| 566 | Harmonic Analysis | 17 | 1.1K | 25 | 20 |
| 567 | Long-Term Care | 36 | 1.1K | 61 | 105 |
| 567 | Long-term care facilities | 36 | 1.1K | 61 | 105 |
| 569 | Randomized Controlled Trials | 53 | 1.1K | 97 | 85 |
| 570 | Environmental Law | 22 | 1.1K | 273 | 373 |
| 570 | tomography | 21 | 1.1K | 69 | 25 |
| 570 | conflict management | 23 | 1.1K | 28 | 37 |
| 573 | energy development | 4 | 1.1K | 686 | 243 |
| 574 | Biosensors | 21 | 1.1K | 369 | 405 |
| 574 | Oxidative stress | 24 | 1.1K | 107 | 211 |
| 576 | voice | 24 | 1.1K | 75 | 32 |
| 577 | Structuralism | 6 | 1.1K | 78 | 38 |
| 577 | Social Networks | 6 | 1.1K | 140 | 42 |
| 579 | Mechanical Engineering | 38 | 1.1K | 612 | 393 |
| 580 | concrete | 15 | 1.1K | 343 | 298 |
| 581 | Ethnology | 57 | 1.1K | 144 | 132 |
| 582 | Futures | 10 | 1.1K | 89 | 6 |
| 583 | Comparative Physiology | 31 | 1.1K | 142 | 160 |
| 584 | Organometallic compounds | 35 | 1.1K | 273 | 268 |
| 585 | families | 21 | 1.1K | 239 | 119 |
| 586 | fuel cells | 16 | 1.1K | 492 | 423 |
| 586 | Development | 18 | 1.1K | 212 | 178 |
| 588 | world | 18 | 1.1K | 188 | 191 |
| 589 | Radiation | 40 | 1.1K | 414 | 346 |
| 590 | Genetic disorders | 21 | 1.1K | 108 | 74 |
| 591 | Economic Assistance | 17 | 1.1K | 184 | 163 |
| 592 | Pharmacognosy | 26 | 1.1K | 510 | 485 |
| 593 | Public Administration | 24 | 1.1K | 387 | 256 |
| 594 | Culture techniques | 26 | 1.0K | 29 | 23 |
| 595 | Politics | 38 | 1.0K | 68 | 85 |
| 595 | government | 38 | 1.0K | 86 | 107 |
| 597 | Astrocytes | 23 | 1.0K | 68 | 137 |
| 598 | planning | 5 | 1.0K | 544 | 46 |
| 599 | foreign exchange | 17 | 1.0K | 39 | 31 |
| 599 | Approximation Theory | 54 | 1.0K | 19 | 21 |
| 601 | Graph Theory | 79 | 1.0K | 30 | 44 |
| 602 | Planets | 27 | 1.0K | 507 | 564 |
| 603 | Microfabrication | 21 | 1.0K | 49 | 20 |
| 604 | Neuroimmunology | 21 | 1.0K | 152 | 186 |
| 604 | International security | 11 | 1.0K | 79 | 55 |
| 606 | Environmental Psychology | 13 | 999 | 81 | 82 |
| 607 | Cognitive Therapy | 39 | 992 | 56 | 91 |
| 608 | Glass | 21 | 989 | 319 | 244 |
| 609 | RNA | 15 | 987 | 154 | 109 |
| 610 | Systems Engineering | 39 | 983 | 414 | 474 |
| 611 | complementary therapies | 49 | 980 | 135 | 211 |
| 612 | Orthopedic Surgery | 46 | 974 | 82 | 121 |
| 613 | cell movement | 18 | 973 | 35 | 26 |
| 613 | Tropical Medicine | 50 | 973 | 211 | 276 |
| 615 | Asthma | 26 | 972 | 80 | 58 |
| 615 | food technology | 16 | 972 | 1,107 | 739 |
| 617 | Respiratory system | 32 | 968 | 70 | 95 |
| 618 | Disability Law | 22 | 965 | 7 | 4 |
| 619 | Maternal health services | 37 | 964 | 36 | 39 |
| 620 | Industrial Microbiology | 16 | 960 | 728 | 588 |
| 621 | Geography | 56 | 959 | 351 | 540 |
| 622 | Safety management | 34 | 956 | 19 | 15 |
| 623 | Semiconductors | 29 | 951 | 562 | 328 |
| 624 | income | 3 | 947 | 146 | 10 |
| 624 | Input-output analysis | 3 | 947 | 230 | 18 |
| 624 | Wealth | 3 | 947 | 146 | 10 |
| 627 | Flow cytometry | 26 | 941 | 22 | 30 |
| 628 | Smoking | 37 | 936 | 127 | 183 |
| 629 | Nanoparticles | 34 | 934 | 403 | 530 |
| 629 | Earth Sciences | 21 | 934 | 1,266 | 951 |
| 631 | Electrophoresis | 21 | 932 | 483 | 329 |
| 632 | Food additives | 31 | 926 | 168 | 287 |
| 633 | Dynamics | 43 | 922 | 228 | 202 |
| 633 | Measurement | 39 | 922 | 189 | 194 |
| 635 | Industrial Engineering | 35 | 917 | 411 | 454 |
| 636 | Wireless Communication Systems | 19 | 914 | 968 | 620 |
| 637 | Palliative Care | 41 | 912 | 107 | 115 |
| 638 | Chemical analysis | 33 | 910 | 149 | 185 |
| 639 | Ultrasonics | 28 | 905 | 246 | 281 |
| 639 | Ultrasound | 28 | 905 | 146 | 131 |
| 641 | Vocational guidance | 65 | 902 | 101 | 286 |
| 642 | Restorative justice | 2 | 900 | 222 | 2 |
| 642 | Psychoneuroimmunology | 18 | 900 | 143 | 185 |
| 644 | Diagnosis | 93 | 897 | 4 | 21 |
| 644 | environmental exposure | 20 | 897 | 570 | 491 |
| 646 | Dietetics | 39 | 896 | 103 | 118 |
| 647 | Wildlife conservation | 10 | 895 | 570 | 386 |
| 648 | healthcare disparities | 35 | 893 | 41 | 49 |
| 649 | educational innovations | 35 | 891 | 30 | 65 |
| 650 | Lattice Theory | 69 | 888 | 4 | 4 |
| 651 | Food Microbiology | 15 | 885 | 436 | 373 |
| 652 | Trace elements | 14 | 884 | 36 | 15 |
| 653 | Dyslexia | 17 | 882 | 21 | 10 |
| 654 | biochemical markers | 22 | 880 | 68 | 29 |
| 654 | race relations | 25 | 880 | 106 | 68 |
| 656 | Pharmaceutical Technology | 15 | 872 | 620 | 384 |
| 657 | Intelligent Control Systems | 5 | 868 | 891 | 59 |
| 658 | Neuroimaging | 39 | 860 | 20 | 32 |
| 659 | Bioelectronics | 14 | 858 | 420 | 422 |
| 660 | Hippocampus | 18 | 849 | 56 | 92 |
| 661 | Behavioral research | 20 | 844 | 49 | 26 |
| 662 | Atherosclerosis | 13 | 827 | 35 | 12 |
| 663 | Investments | 11 | 824 | 140 | 25 |
| 664 | Nonlinear Dynamics | 37 | 820 | 597 | 653 |
| 665 | Game Theory | 35 | 819 | 68 | 91 |
| 665 | school psychologists | 18 | 819 | 50 | 55 |
| 667 | Quality Assurance | 26 | 817 | 20 | 9 |
| 667 | Jurisprudence | 28 | 817 | 206 | 150 |
| 669 | Fluorescence spectroscopy | 35 | 816 | 10 | 14 |
| 670 | Demography | 25 | 812 | 121 | 145 |
| 671 | Geometry | 51 | 797 | 151 | 109 |
| 671 | Andrology | 27 | 797 | 85 | 90 |
| 671 | international cooperation | 19 | 797 | 138 | 120 |
| 674 | Combinatorial analysis | 68 | 796 | 81 | 107 |
| 675 | Lymphatic system | 21 | 792 | 6 | 6 |
| 676 | Androgens | 23 | 790 | 22 | 39 |
| 677 | Microeconomics | 28 | 788 | 39 | 68 |
| 678 | Radiation Protection | 27 | 787 | 77 | 18 |
| 678 | Disability Studies | 18 | 787 | 16 | 4 |
| 680 | structural stability | 13 | 785 | 92 | 71 |
| 681 | Financial management | 31 | 780 | 41 | 121 |
| 682 | Organ transplantation | 75 | 776 | 20 | 31 |
| 683 | Electrical Engineering | 170 | 775 | 234 | 677 |
| 683 | Ceramics | 20 | 775 | 460 | 326 |
| 683 | pottery | 18 | 775 | 333 | 276 |
| 683 | gastrointestinal tract | 21 | 775 | 30 | 75 |
| 687 | Biomolecules | 9 | 774 | 163 | 111 |
| 688 | actuators | 28 | 773 | 639 | 776 |
| 688 | transducers | 28 | 773 | 639 | 776 |
| 690 | feeding behavior | 26 | 772 | 156 | 200 |
| 690 | Antigens | 15 | 772 | 269 | 184 |
| 692 | Radioisotopes | 44 | 771 | 122 | 116 |
| 693 | Development Economics | 17 | 764 | 53 | 55 |
| 694 | Portfolio Management | 9 | 763 | 131 | 20 |
| 695 | Respiratory Infections | 36 | 762 | 13 | 26 |
| 696 | Social Issues | 23 | 757 | 35 | 48 |
| 697 | Nuclear Energy | 10 | 753 | 483 | 160 |
| 698 | Endocrine system | 95 | 752 | 20 | 24 |
| 699 | individual differences | 25 | 751 | 22 | 55 |
| 700 | Telecommunication Systems | 14 | 750 | 662 | 267 |
| 701 | Zeolites | 7 | 748 | 583 | 249 |
| 701 | mammals | 24 | 748 | 235 | 203 |
| 703 | Business Ethics | 8 | 745 | 576 | 481 |
| 704 | Personality Disorders | 7 | 743 | 141 | 55 |
| 705 | Solid State Chemistry | 19 | 741 | 1,130 | 737 |
| 706 | Student Health Services | 5 | 737 | 207 | 31 |
| 707 | Quality of life | 16 | 734 | 457 | 400 |
| 708 | Hospitals | 55 | 733 | 52 | 72 |
| 709 | Microfluidics | 10 | 724 | 68 | 19 |
| 709 | Inflammation | 13 | 724 | 402 | 362 |
| 711 | Cytoskeleton | 24 | 711 | 31 | 47 |
| 712 | Intelligent Transportation Systems | 11 | 707 | 502 | 371 |
| 713 | Computer Science | 34 | 704 | 362 | 324 |
| 714 | Roads | 44 | 702 | 136 | 145 |
| 715 | Sound | 31 | 700 | 201 | 200 |
| 716 | Appetite | 21 | 699 | 150 | 186 |
| 717 | Structural dynamics | 16 | 695 | 393 | 373 |
| 718 | Influenza | 34 | 694 | 4 | 17 |
| 719 | Preoperative Care | 16 | 693 | 5 | 3 |
| 719 | perioperative care | 16 | 693 | 5 | 3 |
| 721 | Genetic markers | 14 | 689 | 18 | 3 |
| 722 | Pediatric Nursing | 36 | 688 | 38 | 51 |
| 723 | rare diseases | 20 | 687 | 142 | 146 |
| 723 | school failure | 7 | 687 | 25 | 1 |
| 725 | Risk Management | 32 | 685 | 64 | 124 |
| 726 | radiation monitoring | 25 | 684 | 72 | 23 |
| 726 | language therapy | 27 | 684 | 14 | 13 |
| 728 | Cell communication | 8 | 683 | 273 | 137 |
| 729 | Law | 44 | 682 | 196 | 154 |
| 730 | Early Childhood Education | 24 | 680 | 120 | 87 |
| 731 | Neurolinguistics | 29 | 679 | 51 | 134 |
| 732 | Environmental Microbiology | 10 | 678 | 673 | 564 |
| 732 | cardiac catheterization | 43 | 678 | 82 | 115 |
| 734 | Probability | 27 | 677 | 80 | 121 |
| 735 | Manufacturing Processes | 21 | 675 | 836 | 757 |
| 736 | drug abuse | 27 | 674 | 110 | 120 |
| 737 | Mobile Computing | 10 | 672 | 541 | 283 |
| 738 | Neurogenetics | 20 | 666 | 44 | 34 |
| 738 | Ferroelectricity | 26 | 666 | 257 | 159 |
| 740 | Data Mining | 32 | 661 | 101 | 250 |
| 741 | Global Health | 32 | 659 | 153 | 162 |
| 742 | Chronobiology | 7 | 658 | 227 | 67 |
| 742 | Control Theory | 26 | 658 | 562 | 503 |
| 742 | Circadian rhythms | 7 | 658 | 146 | 62 |
| 742 | biological clocks | 7 | 658 | 227 | 67 |
| 742 | circadian rhythm | 7 | 658 | 227 | 67 |
| 742 | biological rhythms | 7 | 658 | 203 | 67 |
| 748 | Cell migration | 9 | 654 | 6 | 5 |
| 748 | Cell adhesion | 9 | 654 | 28 | 12 |
| 750 | Particle Physics | 12 | 653 | 53 | 74 |
| 751 | Cerebellum | 8 | 651 | 114 | 74 |
| 751 | Cerebellar ataxia | 8 | 651 | 114 | 74 |
| 753 | Elementary particles | 10 | 648 | 47 | 66 |
| 754 | vitamins | 13 | 647 | 10 | 11 |
| 755 | sports injuries | 35 | 645 | 39 | 45 |
| 756 | African Americans | 14 | 639 | 43 | 5 |
| 757 | Genetic Counseling | 28 | 638 | 38 | 31 |
| 757 | Multicultural Education | 11 | 638 | 127 | 38 |
| 757 | Antibodies | 13 | 638 | 208 | 150 |
| 757 | Hazardous waste | 18 | 638 | 214 | 370 |
| 761 | Urban Education | 17 | 637 | 8 | 10 |
| 762 | Cognitive Learning | 37 | 635 | 3 | 5 |
| 763 | Health Physics | 22 | 628 | 9 | 6 |
| 763 | men | 25 | 628 | 8 | 13 |
| 765 | Malaria | 16 | 626 | 199 | 172 |
| 766 | Industrial Policy | 13 | 624 | 152 | 124 |
| 767 | industrial waste | 19 | 619 | 161 | 363 |
| 768 | Menopause | 24 | 618 | 42 | 54 |
| 769 | Welfare Economics | 32 | 616 | 47 | 105 |
| 769 | Differential Equations | 18 | 616 | 366 | 237 |
| 771 | mass transfer | 15 | 615 | 761 | 664 |
| 772 | radioactive waste | 16 | 614 | 184 | 360 |
| 773 | Geriatric Nursing | 45 | 612 | 16 | 23 |
| 773 | Structure-activity relationship | 5 | 612 | 139 | 74 |
| 775 | Sustainable Development | 8 | 610 | 1,166 | 740 |
| 776 | Radio frequency | 24 | 609 | 103 | 120 |
| 777 | Osteoporosis | 16 | 607 | 52 | 42 |
| 778 | Geomorphology | 13 | 604 | 654 | 586 |
| 778 | Paleoecology | 27 | 604 | 281 | 406 |
| 780 | Vocational Education | 35 | 602 | 67 | 105 |
| 780 | Autoimmunity | 13 | 602 | 270 | 285 |
| 782 | Behavioral Genetics | 17 | 600 | 56 | 73 |
| 783 | Informatics | 31 | 597 | 93 | 230 |
| 784 | Operator theory | 48 | 596 | 11 | 10 |
| 785 | Lymphoma | 29 | 595 | 32 | 25 |
| 786 | health services accessibility | 29 | 593 | 184 | 236 |
| 787 | Environmental pollutants | 21 | 592 | 701 | 856 |
| 787 | violence | 24 | 592 | 267 | 338 |
| 789 | Melanoma | 10 | 586 | 42 | 33 |
| 790 | Evidence-Based Medicine | 37 | 582 | 65 | 121 |
| 791 | Magnetic Resonance Imaging | 28 | 579 | 67 | 101 |
| 791 | Multiple Myeloma | 27 | 579 | 32 | 24 |
| 793 | Fluid Mechanics | 28 | 577 | 414 | 489 |
| 794 | Autoimmune diseases | 16 | 574 | 165 | 196 |
| 795 | Intelligence | 21 | 568 | 40 | 84 |
| 795 | Suicide | 19 | 568 | 121 | 133 |
| 797 | mental processes | 30 | 566 | 37 | 54 |
| 798 | Pediatric Hematology | 35 | 561 | 20 | 18 |
| 799 | homosexuality | 20 | 558 | 57 | 71 |
| 799 | Asia | 20 | 558 | 888 | 594 |
| 801 | Alternative Medicine | 29 | 557 | 246 | 378 |
| 802 | Bioinorganic chemistry | 22 | 556 | 475 | 494 |
| 802 | Socialization | 20 | 556 | 125 | 217 |
| 802 | Cement | 11 | 556 | 248 | 316 |
| 805 | African American | 7 | 553 | 56 | 4 |
| 806 | Mycology | 45 | 551 | 270 | 596 |
| 807 | Yeast | 11 | 545 | 145 | 125 |
| 808 | Paleoclimatology | 23 | 544 | 341 | 468 |
| 809 | Algebra | 47 | 542 | 284 | 244 |
| 810 | Australia | 21 | 540 | 499 | 422 |
| 811 | Functional Genomics | 12 | 539 | 72 | 86 |
| 812 | Paleogeography | 21 | 537 | 303 | 399 |
| 812 | embryonic development | 15 | 537 | 99 | 93 |
| 814 | Tribology | 24 | 535 | 309 | 348 |
| 815 | Ethics | 39 | 533 | 117 | 175 |
| 815 | Photography | 93 | 533 | 203 | 138 |
| 815 | Cerebrospinal fluid | 13 | 533 | 18 | 22 |
| 818 | Water quality management | 25 | 531 | 472 | 514 |
| 819 | Labor Economics | 11 | 529 | 180 | 131 |
| 820 | Post-traumatic stress disorder | 15 | 528 | 271 | 289 |
| 821 | educational statistics | 6 | 526 | 50 | 31 |
| 822 | Logic | 25 | 522 | 74 | 54 |
| 823 | Plant breeding | 8 | 520 | 407 | 198 |
| 824 | Educational measurement | 35 | 517 | 9 | 29 |
| 825 | Eating Disorders | 23 | 515 | 235 | 304 |
| 826 | sustainability | 7 | 514 | 484 | 395 |
| 827 | Atmospheric Physics | 16 | 510 | 619 | 689 |
| 828 | anesthesia | 47 | 504 | 22 | 28 |
| 828 | internet | 18 | 504 | 532 | 587 |
| 830 | Humanities | 24 | 500 | 349 | 250 |
| 831 | Laser therapy | 26 | 496 | 54 | 47 |
| 831 | Lightweight concrete | 3 | 496 | 411 | 253 |
| 833 | Genetic Toxicology | 11 | 493 | 102 | 136 |
| 833 | Auditing | 8 | 493 | 183 | 115 |
| 835 | Medical Imaging | 22 | 489 | 62 | 75 |
| 836 | Mathematical Economics | 11 | 486 | 122 | 143 |
| 836 | Elderly | 101 | 486 | 111 | 207 |
| 838 | primary prevention | 19 | 485 | 79 | 84 |
| 839 | Physical organic chemistry | 25 | 483 | 384 | 483 |
| 840 | Feeding and Eating Disorders | 21 | 482 | 234 | 305 |
| 841 | Cognitive Behavioral Therapy | 13 | 478 | 35 | 31 |
| 842 | vibration | 16 | 477 | 426 | 408 |
| 842 | Gastrointestinal diseases | 17 | 477 | 123 | 115 |
| 844 | soil microbiology | 7 | 472 | 912 | 855 |
| 845 | Autoantibodies | 12 | 470 | 194 | 210 |
| 845 | concepts | 12 | 470 | 19 | 18 |
| 847 | Telemedicine | 16 | 462 | 66 | 76 |
| 848 | Mathematics Education | 14 | 461 | 121 | 78 |
| 849 | ethnicity | 42 | 458 | 39 | 108 |
| 849 | micromechanics | 16 | 458 | 178 | 189 |
| 851 | biopolymers | 17 | 457 | 436 | 483 |
| 852 | Nonverbal Communication | 16 | 455 | 33 | 65 |
| 852 | Crystallography | 25 | 455 | 536 | 354 |
| 854 | Chromatographic analysis | 19 | 453 | 645 | 560 |
| 855 | nuclear power | 4 | 452 | 384 | 71 |
| 856 | Genetic Research | 7 | 450 | 54 | 22 |
| 856 | Agriculture | 20 | 450 | 669 | 804 |
| 858 | Breeding | 7 | 448 | 738 | 468 |
| 859 | Apoptosis | 11 | 447 | 51 | 46 |
| 859 | neurotoxins | 11 | 447 | 51 | 46 |
| 859 | Neurotoxic agents | 11 | 447 | 51 | 46 |
| 859 | pollutants | 13 | 447 | 793 | 888 |
| 859 | Nerve regeneration | 11 | 447 | 51 | 46 |
| 864 | drug resistance | 8 | 440 | 301 | 211 |
| 864 | Immunochemistry | 16 | 440 | 283 | 295 |
| 866 | Discourse Analysis | 7 | 439 | 192 | 94 |
| 866 | optical instruments | 21 | 439 | 69 | 106 |
| 868 | Plant genetic engineering | 6 | 438 | 569 | 400 |
| 869 | ethnic groups | 15 | 436 | 82 | 77 |
| 870 | industrial relations | 17 | 434 | 291 | 240 |
| 871 | particle accelerators | 8 | 433 | 50 | 25 |
| 871 | particle beams | 8 | 433 | 49 | 25 |
| 873 | Total Quality Management | 8 | 432 | 201 | 90 |
| 874 | Erectile dysfunction | 10 | 430 | 76 | 45 |
| 875 | Southern states | 24 | 428 | 28 | 19 |
| 876 | Social policy | 15 | 427 | 373 | 276 |
| 877 | Cross-Cultural Studies | 16 | 426 | 140 | 166 |
| 877 | Globalization | 5 | 426 | 396 | 142 |
| 879 | Multimedia Systems | 17 | 424 | 670 | 560 |
| 880 | Traffic Engineering | 8 | 423 | 195 | 171 |
| 880 | peptides | 16 | 423 | 182 | 140 |
| 882 | Human Geography | 14 | 422 | 459 | 388 |
| 883 | War and Society | 18 | 421 | 54 | 113 |
| 883 | warfare | 17 | 421 | 75 | 129 |
| 885 | Medicinal plants | 7 | 420 | 842 | 669 |
| 886 | amino acids | 8 | 419 | 250 | 161 |
| 887 | ethanol | 20 | 416 | 106 | 146 |
| 888 | Quantitative Research | 12 | 413 | 92 | 110 |
| 889 | Radiotherapy | 24 | 411 | 74 | 60 |
| 890 | Law and Economics | 21 | 409 | 40 | 37 |
| 890 | Sarcopenia | 7 | 409 | 181 | 203 |
| 892 | Fluid Dynamics | 10 | 406 | 579 | 429 |
| 893 | motivation | 22 | 405 | 49 | 148 |
| 894 | Developmental Toxicology | 1 | 403 | 94 | 9 |
| 894 | Animal ecology | 9 | 403 | 659 | 519 |
| 894 | teratogens | 1 | 403 | 94 | 9 |
| 897 | Systems Analysis | 16 | 401 | 362 | 312 |
| 898 | energy conservation | 13 | 400 | 910 | 1,188 |
| 898 | labor | 9 | 400 | 121 | 96 |
| 900 | Sustainable Engineering | 10 | 397 | 868 | 850 |
| 901 | Neonatology | 12 | 396 | 168 | 159 |
| 901 | Detectors | 11 | 396 | 751 | 541 |
| 903 | Criminal behavior | 3 | 395 | 177 | 31 |
| 904 | Conservation Biology | 4 | 394 | 957 | 541 |
| 904 | cell membrane | 13 | 394 | 243 | 318 |
| 906 | Body Image | 3 | 391 | 210 | 94 |
| 906 | sexual behavior | 10 | 391 | 293 | 275 |
| 908 | working class | 6 | 390 | 91 | 86 |
| 909 | disabilities | 23 | 388 | 141 | 224 |
| 910 | Educational Leadership | 12 | 387 | 24 | 14 |
| 910 | technical education | 16 | 387 | 170 | 146 |
| 912 | Applied Linguistics | 15 | 386 | 176 | 153 |
| 912 | Memory disorders | 3 | 386 | 277 | 84 |
| 914 | Nanoelectronics | 27 | 384 | 147 | 157 |
| 914 | Communication Disorders | 11 | 384 | 94 | 67 |
| 916 | Superconductors | 18 | 383 | 351 | 257 |
| 916 | kidney | 5 | 383 | 43 | 33 |
| 918 | cross-cultural comparison | 15 | 380 | 107 | 111 |
| 919 | Phonetics | 22 | 378 | 69 | 112 |
| 919 | Waste management | 20 | 378 | 385 | 442 |
| 919 | Water Purification | 20 | 378 | 299 | 350 |
| 919 | Algae | 4 | 378 | 624 | 363 |
| 919 | Seaweed | 4 | 378 | 490 | 280 |
| 919 | software | 25 | 378 | 163 | 478 |
| 925 | Forensic Psychiatry | 17 | 376 | 164 | 164 |
| 925 | Advertising | 5 | 376 | 211 | 139 |
| 927 | election law | 16 | 374 | 64 | 84 |
| 928 | Cell survival | 4 | 373 | 137 | 53 |
| 928 | drug evaluation | 14 | 373 | 464 | 483 |
| 928 | molecular chaperones | 4 | 373 | 163 | 53 |
| 931 | Hemophilia | 21 | 371 | 89 | 119 |
| 932 | Cost control | 7 | 370 | 70 | 23 |
| 933 | Multivariate Analysis | 13 | 368 | 194 | 183 |
| 934 | Mitochondria | 15 | 365 | 18 | 88 |
| 935 | Geriatric Psychiatry | 16 | 362 | 321 | 382 |
| 936 | Topology | 23 | 357 | 57 | 55 |
| 937 | Tissue Engineering | 2 | 356 | 453 | 125 |
| 937 | association | 9 | 356 | 15 | 19 |
| 937 | Organizations | 9 | 356 | 17 | 19 |
| 940 | Cosmochemistry | 6 | 355 | 607 | 445 |
| 941 | Matroids | 24 | 354 | 35 | 64 |
| 942 | Elections | 15 | 353 | 115 | 115 |
| 943 | Paleontology | 18 | 352 | 488 | 510 |
| 943 | Juvenile delinquency | 10 | 352 | 128 | 106 |
| 945 | Toxins | 18 | 350 | 170 | 293 |
| 946 | Synaptic Transmission | 12 | 348 | 168 | 194 |
| 946 | venom | 17 | 348 | 156 | 255 |
| 948 | Green Chemistry | 9 | 347 | 1,044 | 1,143 |
| 948 | Contraception | 10 | 347 | 258 | 221 |
| 948 | Political Participation | 14 | 347 | 104 | 122 |
| 951 | Population | 25 | 346 | 168 | 383 |
| 952 | Obstetric Nursing | 27 | 344 | 45 | 77 |
| 953 | Chromatography | 13 | 342 | 707 | 614 |
| 954 | Liquid Crystals | 22 | 339 | 252 | 169 |
| 955 | lasers | 15 | 338 | 969 | 868 |
| 956 | Voting | 13 | 337 | 68 | 83 |
| 957 | Public Health Administration | 16 | 335 | 141 | 119 |
| 957 | Brain damage | 18 | 335 | 81 | 141 |
| 959 | Structural Equation Modeling | 12 | 334 | 30 | 73 |
| 960 | Solar System | 6 | 333 | 514 | 385 |
| 961 | corporate culture | 3 | 331 | 170 | 45 |
| 962 | Power Electronics | 3 | 330 | 989 | 630 |
| 963 | Speech-Language Pathology | 25 | 329 | 21 | 65 |
| 963 | Occupational Health | 14 | 329 | 344 | 337 |
| 965 | Nanophotonics | 7 | 328 | 179 | 154 |
| 965 | intergroup relations | 4 | 328 | 148 | 77 |
| 967 | Plant physiology | 16 | 326 | 915 | 1,298 |
| 967 | magnetic resonance | 5 | 326 | 405 | 108 |
| 969 | Microprocessors | 15 | 325 | 159 | 127 |
| 970 | Structural design | 9 | 324 | 436 | 346 |
| 971 | Nanomedicine | 10 | 323 | 32 | 57 |
| 972 | Immunopharmacology | 11 | 322 | 452 | 458 |
| 972 | Sexuality | 13 | 322 | 61 | 60 |
| 972 | Mechanics | 10 | 322 | 676 | 465 |
| 972 | educational planning | 15 | 322 | 94 | 172 |
| 976 | Executive Power | 16 | 320 | 6 | 6 |
| 976 | Psychiatric hospitals | 26 | 320 | 63 | 119 |
| 978 | Social interaction | 9 | 319 | 142 | 153 |
| 979 | optical phenomena | 13 | 318 | 19 | 34 |
| 980 | embryo transfer | 13 | 317 | 130 | 141 |
| 981 | health and race | 17 | 315 | 25 | 48 |
| 982 | Atmospheric Chemistry | 10 | 314 | 469 | 619 |
| 983 | History | 32 | 312 | 225 | 129 |
| 984 | Macroeconomics | 8 | 311 | 164 | 100 |
| 985 | Vaccination | 7 | 310 | 101 | 80 |
| 986 | risk factors | 19 | 309 | 180 | 321 |
| 986 | Peptide | 10 | 309 | 62 | 48 |
| 986 | probabilities | 21 | 309 | 504 | 462 |
| 989 | Cognitive Psychology | 35 | 306 | 14 | 118 |
| 989 | Quantum electronics | 17 | 306 | 628 | 658 |
| 989 | Sexual health | 38 | 306 | 90 | 260 |
| 992 | extraterrestrial environment | 16 | 303 | 141 | 160 |
| 993 | Ion channels | 12 | 301 | 8 | 18 |
| 994 | Urban Economics | 9 | 300 | 139 | 207 |
| 994 | Production Engineering | 9 | 300 | 1,141 | 818 |
| 994 | urban population | 9 | 300 | 79 | 154 |
| 994 | consumers | 8 | 300 | 162 | 163 |
| 998 | Bioenergetics | 14 | 297 | 318 | 477 |
| 998 | Energy metabolism | 14 | 297 | 249 | 383 |
| 998 | Neural circuitry | 17 | 297 | 760 | 1,160 |