| 1 | Chemistry | 5,258 | 380.7K | 28 | 23 |
| 2 | Physics | 4,256 | 230.6K | 68 | 135 |
| 3 | Biology | 2,937 | 198.4K | 95 | 150 |
| 4 | Materials | 2,435 | 185.3K | 45 | 21 |
| 5 | Science | 2,964 | 182.6K | 82 | 164 |
| 6 | Nanotechnology | 2,626 | 167.4K | 14 | 16 |
| 7 | Molecular Biology | 3,051 | 139.8K | 38 | 95 |
| 8 | Medicine | 3,807 | 131.9K | 58 | 129 |
| 9 | Biocompatible Materials | 1,815 | 125.7K | 8 | 8 |
| 10 | Materials Science | 1,474 | 93.5K | 50 | 26 |
| 11 | Biochemistry | 2,851 | 85.3K | 104 | 192 |
| 12 | Research | 2,543 | 79.8K | 52 | 89 |
| 13 | Cytology | 1,511 | 74.3K | 44 | 115 |
| 14 | Cancer | 1,563 | 64.7K | 20 | 35 |
| 15 | Cell Biology | 1,126 | 60.4K | 54 | 138 |
| 16 | Optical materials | 834 | 60.3K | 12 | 9 |
| 17 | Natural history | 153 | 57.9K | 415 | 267 |
| 18 | nanoscience | 835 | 57.4K | 19 | 19 |
| 19 | Catalysis | 1,074 | 57.0K | 31 | 35 |
| 20 | Polymers | 1,788 | 54.9K | 26 | 33 |
| 21 | Biotechnology | 1,213 | 53.2K | 40 | 78 |
| 22 | Environmental Health | 983 | 49.2K | 37 | 59 |
| 23 | Neurology | 1,267 | 47.4K | 132 | 239 |
| 24 | Nanostructured Materials | 853 | 46.7K | 18 | 17 |
| 25 | Analytical Chemistry | 1,375 | 44.9K | 17 | 18 |
| 26 | polymerization | 1,434 | 43.6K | 25 | 32 |
| 27 | Pharmacology | 1,560 | 39.9K | 32 | 78 |
| 28 | Pollution | 844 | 38.1K | 75 | 117 |
| 29 | Chemical Engineering | 660 | 37.4K | 118 | 78 |
| 30 | Biophysics | 1,360 | 36.4K | 70 | 110 |
| 31 | Microbiology | 884 | 35.6K | 190 | 317 |
| 32 | Bioengineering | 627 | 35.3K | 52 | 88 |
| 33 | Environment | 461 | 33.0K | 147 | 160 |
| 34 | Solid State Physics | 1,216 | 32.4K | 85 | 135 |
| 35 | Environmental Engineering | 559 | 31.9K | 39 | 50 |
| 36 | Virology | 423 | 31.9K | 123 | 183 |
| 37 | Condensed Matter | 1,296 | 31.2K | 72 | 143 |
| 38 | Electrochemistry | 677 | 31.0K | 70 | 26 |
| 39 | Nuclear Physics | 1,326 | 30.1K | 184 | 295 |
| 40 | Ecology | 608 | 27.5K | 246 | 341 |
| 41 | Oncology | 477 | 27.2K | 23 | 45 |
| 42 | Nanoparticles | 459 | 26.3K | 8 | 7 |
| 43 | Human genetics | 255 | 26.2K | 120 | 280 |
| 44 | fuel cells | 204 | 25.8K | 20 | 8 |
| 45 | Nanostructures | 270 | 25.7K | 19 | 15 |
| 46 | Colloids | 650 | 25.6K | 45 | 53 |
| 47 | miniaturization | 309 | 25.5K | 36 | 40 |
| 48 | Genetics | 609 | 25.4K | 106 | 218 |
| 49 | Microelectronics | 361 | 24.9K | 26 | 32 |
| 50 | Immunology | 585 | 24.2K | 160 | 249 |
| 51 | Surface Chemistry | 636 | 22.7K | 45 | 54 |
| 52 | Biomedical Engineering | 920 | 22.5K | 23 | 67 |
| 53 | Optics | 965 | 21.4K | 77 | 91 |
| 54 | China | 1,349 | 20.8K | 14 | 20 |
| 55 | Cell death | 494 | 20.8K | 7 | 18 |
| 56 | Biochemical Engineering | 443 | 19.9K | 51 | 151 |
| 57 | Mathematics | 1,700 | 18.8K | 50 | 93 |
| 58 | sanitation | 275 | 18.6K | 37 | 62 |
| 59 | Medical Oncology | 642 | 17.6K | 43 | 52 |
| 60 | Energy Conversion | 159 | 17.3K | 43 | 37 |
| 61 | Liver diseases | 270 | 16.9K | 34 | 71 |
| 62 | Medical genetics | 440 | 16.6K | 107 | 194 |
| 63 | Public Health | 560 | 16.1K | 189 | 272 |
| 64 | Environmental monitoring | 365 | 15.9K | 50 | 67 |
| 65 | Signal Transduction | 254 | 14.7K | 13 | 15 |
| 66 | Toxicology | 582 | 14.6K | 82 | 160 |
| 67 | Statistical physics | 670 | 14.5K | 84 | 151 |
| 68 | Photonics | 340 | 14.3K | 23 | 41 |
| 69 | environmental protection | 332 | 13.7K | 30 | 40 |
| 70 | environmental pollution | 428 | 13.7K | 101 | 187 |
| 71 | Pharmaceutical Chemistry | 570 | 13.5K | 62 | 168 |
| 72 | Environmental Policy | 237 | 13.3K | 73 | 96 |
| 73 | Geophysics | 426 | 13.2K | 284 | 337 |
| 74 | Immunity | 265 | 13.1K | 71 | 229 |
| 75 | Environmental Chemistry | 82 | 12.7K | 170 | 61 |
| 76 | Genomics | 481 | 12.6K | 31 | 101 |
| 77 | Organic Chemistry | 461 | 12.6K | 51 | 84 |
| 78 | Botany | 241 | 12.4K | 367 | 337 |
| 79 | Immunotherapy | 407 | 12.0K | 11 | 73 |
| 80 | nucleic acids | 183 | 11.3K | 82 | 173 |
| 81 | Oncogenes | 189 | 11.3K | 28 | 58 |
| 82 | Physiology | 346 | 11.2K | 242 | 307 |
| 83 | Physical Chemistry | 178 | 11.1K | 107 | 77 |
| 84 | Neurochemistry | 352 | 10.6K | 69 | 136 |
| 85 | Clinical Chemistry | 401 | 10.6K | 48 | 110 |
| 86 | Atmospheric Physics | 305 | 10.5K | 79 | 137 |
| 87 | Developmental Biology | 181 | 10.4K | 173 | 217 |
| 88 | Electronics | 433 | 10.3K | 101 | 105 |
| 89 | Bioorganic chemistry | 341 | 10.2K | 44 | 79 |
| 90 | Psychiatry | 279 | 10.2K | 332 | 442 |
| 91 | Artificial Intelligence | 427 | 10.1K | 67 | 130 |
| 92 | Environmental Toxicology | 225 | 10.0K | 36 | 63 |
| 93 | Bioinformatics | 290 | 10.0K | 27 | 133 |
| 94 | Environmental Law | 156 | 9.9K | 16 | 21 |
| 95 | Computational Biology | 298 | 9.7K | 56 | 174 |
| 96 | Epidemiology | 315 | 9.4K | 188 | 252 |
| 97 | Carbon | 116 | 9.3K | 58 | 36 |
| 98 | Quantum Gravity | 343 | 9.3K | 184 | 290 |
| 99 | management | 225 | 9.1K | 173 | 287 |
| 100 | Mathematical Physics | 344 | 9.1K | 91 | 142 |
| 101 | Cell differentiation | 189 | 9.0K | 88 | 207 |
| 102 | Green Chemistry | 192 | 8.9K | 42 | 64 |
| 103 | Neurophysiology | 256 | 8.9K | 216 | 385 |
| 104 | Magnetic Materials | 256 | 8.4K | 18 | 22 |
| 105 | Oxidative stress | 199 | 8.4K | 6 | 6 |
| 106 | proteins | 292 | 8.3K | 30 | 76 |
| 107 | Neurobiology | 140 | 8.3K | 145 | 164 |
| 108 | plant molecular biology | 101 | 8.3K | 141 | 166 |
| 109 | Aging | 353 | 8.1K | 90 | 171 |
| 110 | Image Processing | 257 | 8.0K | 28 | 57 |
| 111 | Biomass Energy | 104 | 7.8K | 199 | 133 |
| 112 | Brain | 295 | 7.8K | 128 | 263 |
| 113 | Diagnostic Imaging | 333 | 7.8K | 20 | 64 |
| 114 | Nonlinear Dynamics | 248 | 7.8K | 92 | 99 |
| 115 | Plant cells | 74 | 7.7K | 175 | 205 |
| 116 | Atmospheric Chemistry | 153 | 7.7K | 91 | 137 |
| 117 | genome | 133 | 7.6K | 83 | 185 |
| 118 | Spectrum analysis | 384 | 7.5K | 312 | 671 |
| 119 | Medical Microbiology | 174 | 7.4K | 129 | 214 |
| 120 | Radiobiology | 417 | 7.3K | 63 | 95 |
| 121 | Composite Materials | 154 | 7.2K | 214 | 194 |
| 122 | Environmental Management | 145 | 7.1K | 116 | 121 |
| 123 | Meteorology | 386 | 7.0K | 103 | 273 |
| 124 | Endocrinology | 219 | 7.0K | 272 | 485 |
| 125 | Ophthalmology | 389 | 6.9K | 39 | 124 |
| 126 | Emerging infectious diseases | 148 | 6.8K | 3 | 3 |
| 127 | Nutrition | 302 | 6.7K | 208 | 435 |
| 128 | Pathology | 300 | 6.7K | 72 | 232 |
| 129 | Geriatrics | 245 | 6.7K | 177 | 213 |
| 130 | Metabolism | 238 | 6.7K | 208 | 434 |
| 131 | Leukemia | 35 | 6.7K | 409 | 104 |
| 132 | Metabolic diseases | 134 | 6.7K | 281 | 365 |
| 133 | Economics | 347 | 6.7K | 216 | 329 |
| 134 | Plants | 161 | 6.6K | 114 | 223 |
| 135 | Renewable Energy Sources | 46 | 6.6K | 430 | 214 |
| 136 | Diabetes | 164 | 6.5K | 188 | 325 |
| 137 | Production Management | 93 | 6.4K | 53 | 50 |
| 138 | actuators | 168 | 6.4K | 73 | 77 |
| 138 | transducers | 168 | 6.4K | 73 | 77 |
| 140 | Neurons | 34 | 6.4K | 179 | 191 |
| 141 | Cardiovascular system | 114 | 6.4K | 185 | 264 |
| 142 | cytokines | 252 | 6.3K | 16 | 22 |
| 143 | Plant physiology | 93 | 6.3K | 250 | 197 |
| 144 | Reproduction | 280 | 6.2K | 63 | 153 |
| 145 | Inflammation | 139 | 6.2K | 13 | 15 |
| 146 | Economic History | 336 | 6.2K | 73 | 103 |
| 147 | Biosensors | 133 | 6.1K | 30 | 45 |
| 148 | Genetic engineering | 217 | 6.0K | 35 | 113 |
| 149 | free radicals | 116 | 6.0K | 67 | 74 |
| 150 | Sustainable Engineering | 137 | 6.0K | 45 | 54 |
| 151 | Chromatographic analysis | 281 | 5.9K | 14 | 14 |
| 152 | Water | 74 | 5.9K | 377 | 287 |
| 153 | Signal Processing | 351 | 5.9K | 21 | 44 |
| 154 | Proteome | 140 | 5.8K | 28 | 53 |
| 155 | Diabetes mellitus | 140 | 5.7K | 192 | 337 |
| 156 | Technology | 262 | 5.7K | 186 | 258 |
| 157 | Neural circuitry | 210 | 5.7K | 47 | 61 |
| 158 | Oxidation-reduction | 87 | 5.6K | 14 | 24 |
| 159 | Electrophoresis | 211 | 5.6K | 14 | 26 |
| 160 | Nervous system | 178 | 5.5K | 151 | 317 |
| 161 | cell physiology | 134 | 5.5K | 87 | 173 |
| 162 | Drug delivery systems | 136 | 5.5K | 24 | 69 |
| 163 | Water pollution | 85 | 5.4K | 337 | 253 |
| 164 | Engineering | 211 | 5.4K | 213 | 168 |
| 165 | Energy Storage | 105 | 5.3K | 56 | 44 |
| 166 | Zeolites | 116 | 5.3K | 13 | 9 |
| 167 | Chromatography | 236 | 5.3K | 9 | 14 |
| 168 | Cytogenetics | 90 | 5.2K | 163 | 228 |
| 169 | Information Technology | 271 | 5.2K | 18 | 37 |
| 170 | gene mapping | 219 | 5.2K | 50 | 207 |
| 171 | Immunopharmacology | 204 | 5.1K | 17 | 16 |
| 172 | Proteomics | 121 | 4.9K | 17 | 48 |
| 173 | Pharmacognosy | 165 | 4.9K | 52 | 82 |
| 174 | Pharmacy | 144 | 4.9K | 152 | 128 |
| 175 | Pediatrics | 141 | 4.9K | 306 | 401 |
| 176 | Solid State Chemistry | 209 | 4.8K | 92 | 104 |
| 177 | viruses | 112 | 4.7K | 175 | 254 |
| 178 | Climatology | 281 | 4.7K | 70 | 251 |
| 179 | Mental Disorders | 161 | 4.6K | 277 | 494 |
| 180 | Cellular senescence | 134 | 4.5K | 8 | 13 |
| 181 | Bioelectronics | 88 | 4.5K | 42 | 55 |
| 182 | Genetic regulation | 73 | 4.5K | 94 | 161 |
| 183 | Stem cells | 217 | 4.4K | 31 | 126 |
| 184 | Recombinant DNA | 177 | 4.2K | 21 | 54 |
| 185 | Nanobiotechnology | 101 | 4.2K | 6 | 13 |
| 186 | Hypertension | 85 | 4.2K | 251 | 331 |
| 187 | Chromosome mapping | 202 | 4.2K | 39 | 164 |
| 188 | Immune system | 78 | 4.2K | 92 | 263 |
| 189 | cell interaction | 167 | 4.2K | 9 | 21 |
| 190 | mathematical analysis | 359 | 4.2K | 22 | 61 |
| 191 | Host-parasite interactions | 67 | 4.1K | 148 | 218 |
| 192 | Microbial Ecology | 66 | 4.1K | 401 | 428 |
| 193 | Vaccines | 169 | 4.0K | 80 | 141 |
| 194 | Molecules | 86 | 4.0K | 170 | 97 |
| 195 | Energy Policy | 66 | 4.0K | 346 | 301 |
| 196 | drugs | 156 | 4.0K | 82 | 126 |
| 197 | Plant Genetics | 46 | 3.9K | 69 | 49 |
| 198 | Alternative Medicine | 194 | 3.9K | 35 | 50 |
| 199 | biological evolution | 107 | 3.9K | 227 | 405 |
| 200 | Computer Vision | 86 | 3.9K | 69 | 125 |
| 201 | Pharmaceutical Technology | 120 | 3.9K | 38 | 64 |
| 202 | complementary therapies | 191 | 3.9K | 37 | 51 |
| 203 | Environmental pollutants | 184 | 3.9K | 48 | 129 |
| 204 | United States | 149 | 3.9K | 598 | 644 |
| 205 | carcinogens | 116 | 3.9K | 36 | 54 |
| 206 | Energy Harvesting | 43 | 3.9K | 45 | 38 |
| 207 | Light | 26 | 3.9K | 238 | 151 |
| 208 | biopolymers | 113 | 3.8K | 49 | 55 |
| 209 | Molecular cloning | 143 | 3.8K | 23 | 61 |
| 210 | Statistics | 228 | 3.8K | 133 | 281 |
| 211 | economic policy | 187 | 3.7K | 64 | 96 |
| 212 | Europe | 177 | 3.7K | 227 | 242 |
| 213 | Biodiversity conservation | 30 | 3.7K | 549 | 436 |
| 214 | Alzheimer's disease | 155 | 3.7K | 143 | 124 |
| 215 | Genetic recombination | 135 | 3.7K | 26 | 63 |
| 216 | Climate change | 19 | 3.6K | 447 | 346 |
| 217 | Hematology | 267 | 3.6K | 444 | 759 |
| 218 | biological factors | 111 | 3.6K | 65 | 99 |
| 219 | Numerical Analysis | 208 | 3.6K | 44 | 95 |
| 220 | Information Science | 130 | 3.6K | 125 | 181 |
| 221 | Medicinal plants | 132 | 3.6K | 39 | 59 |
| 222 | Medical Physics | 210 | 3.6K | 91 | 180 |
| 223 | Membranes | 54 | 3.6K | 332 | 251 |
| 224 | Health Policy | 105 | 3.5K | 227 | 206 |
| 225 | Cell metabolism | 46 | 3.5K | 46 | 164 |
| 226 | Astrophysics | 154 | 3.5K | 725 | 1079 |
| 226 | Molecular evolution | 127 | 3.5K | 83 | 210 |
| 228 | Soft Condensed Matter | 99 | 3.5K | 62 | 56 |
| 229 | Embryology | 100 | 3.5K | 197 | 334 |
| 230 | Developing countries | 116 | 3.5K | 136 | 159 |
| 231 | Clinical Immunology | 119 | 3.5K | 50 | 61 |
| 232 | Organometallic compounds | 98 | 3.4K | 57 | 55 |
| 233 | Drug design | 119 | 3.4K | 34 | 76 |
| 234 | Carcinogenesis | 96 | 3.4K | 37 | 63 |
| 235 | Physical organic chemistry | 100 | 3.4K | 40 | 29 |
| 236 | drug evaluation | 140 | 3.4K | 10 | 16 |
| 237 | Mental illness | 103 | 3.4K | 216 | 384 |
| 238 | health planning | 190 | 3.4K | 35 | 73 |
| 239 | Remote Sensing | 22 | 3.3K | 424 | 18 |
| 240 | Automation | 83 | 3.3K | 176 | 186 |
| 241 | Critical Care | 81 | 3.3K | 218 | 381 |
| 242 | System analysis | 85 | 3.3K | 218 | 130 |
| 243 | environmental exposure | 154 | 3.3K | 41 | 106 |
| 244 | Eutrophication | 17 | 3.3K | 480 | 384 |
| 245 | Virulence | 69 | 3.3K | 127 | 236 |
| 246 | natural products | 114 | 3.3K | 81 | 104 |
| 247 | Business | 42 | 3.3K | 456 | 328 |
| 248 | Allergy | 45 | 3.2K | 268 | 361 |
| 249 | biocatalysis | 14 | 3.2K | 26 | 31 |
| 249 | Homogeneous catalysis | 14 | 3.2K | 26 | 31 |
| 249 | Heterogeneous catalysis | 14 | 3.2K | 26 | 31 |
| 252 | Homeostasis | 28 | 3.2K | 86 | 180 |
| 253 | Metals | 89 | 3.2K | 335 | 315 |
| 254 | Critical Care Medicine | 72 | 3.2K | 247 | 394 |
| 255 | Molecular Genetics | 109 | 3.2K | 172 | 335 |
| 256 | Psychology | 170 | 3.2K | 576 | 843 |
| 257 | Operations Research | 109 | 3.1K | 182 | 224 |
| 258 | Asia | 219 | 3.1K | 62 | 82 |
| 259 | mutagens | 85 | 3.1K | 38 | 67 |
| 260 | Behavior | 91 | 3.1K | 488 | 659 |
| 261 | Obstetrics | 180 | 3.1K | 248 | 343 |
| 262 | Immunopathology | 115 | 3.1K | 73 | 139 |
| 263 | Psychophysiology | 73 | 3.0K | 639 | 661 |
| 264 | Parasitic Diseases | 99 | 3.0K | 165 | 240 |
| 265 | Genetic therapy | 125 | 3.0K | 51 | 146 |
| 266 | Gene expression regulation | 56 | 3.0K | 92 | 170 |
| 267 | finance | 147 | 3.0K | 101 | 229 |
| 268 | energy resources | 44 | 3.0K | 188 | 201 |
| 269 | Surgery | 90 | 3.0K | 321 | 648 |
| 270 | infection | 119 | 3.0K | 75 | 214 |
| 271 | Evidence-Based Medicine | 162 | 2.9K | 26 | 33 |
| 272 | Diet | 109 | 2.9K | 225 | 444 |
| 273 | Molecular structure | 108 | 2.8K | 156 | 331 |
| 274 | Systems Biology | 132 | 2.8K | 32 | 75 |
| 275 | Combinatorial chemistry | 69 | 2.8K | 45 | 79 |
| 276 | Socioeconomic Factors | 95 | 2.8K | 12 | 22 |
| 277 | soil microbiology | 50 | 2.8K | 247 | 288 |
| 278 | pollutants | 134 | 2.8K | 59 | 185 |
| 279 | Functional Analysis | 179 | 2.7K | 14 | 41 |
| 280 | Tourism | 73 | 2.7K | 154 | 206 |
| 281 | Lipids | 98 | 2.7K | 51 | 162 |
| 282 | commerce | 93 | 2.7K | 61 | 177 |
| 283 | Medical Laboratory Science | 81 | 2.7K | 156 | 231 |
| 284 | Clinical Pharmacology | 137 | 2.7K | 54 | 101 |
| 285 | Therapeutics | 76 | 2.7K | 238 | 316 |
| 286 | gene therapy | 95 | 2.7K | 57 | 151 |
| 287 | human behavior | 75 | 2.6K | 350 | 590 |
| 288 | Control Theory | 72 | 2.6K | 212 | 139 |
| 289 | Differential Equations | 119 | 2.5K | 22 | 32 |
| 290 | Urology | 154 | 2.5K | 176 | 377 |
| 291 | Developmental Genetics | 16 | 2.5K | 251 | 195 |
| 292 | Nuclear Medicine | 111 | 2.5K | 69 | 141 |
| 293 | atmosphere | 103 | 2.5K | 27 | 39 |
| 294 | drug therapy | 130 | 2.5K | 245 | 417 |
| 295 | lasers | 142 | 2.5K | 75 | 74 |
| 296 | viral genetics | 11 | 2.5K | 187 | 161 |
| 297 | Semiconductors | 210 | 2.5K | 51 | 115 |
| 298 | Medical Technology | 131 | 2.4K | 26 | 95 |
| 299 | Chemical analysis | 108 | 2.4K | 42 | 42 |
| 300 | Respiration | 106 | 2.4K | 118 | 250 |
| 301 | Catalysts | 73 | 2.4K | 22 | 26 |
| 302 | catalytic activity | 59 | 2.4K | 37 | 45 |
| 303 | Neurosurgery | 78 | 2.4K | 84 | 130 |
| 304 | Herbal medicine | 68 | 2.4K | 30 | 29 |
| 305 | Diagnostic microbiology | 36 | 2.4K | 311 | 353 |
| 306 | Industrial Microbiology | 78 | 2.4K | 138 | 269 |
| 307 | Egypt | 27 | 2.3K | 51 | 14 |
| 308 | marketing | 64 | 2.3K | 258 | 355 |
| 308 | Gastrointestinal diseases | 121 | 2.3K | 4 | 8 |
| 310 | Planets | 117 | 2.3K | 272 | 515 |
| 311 | Neuropsychology | 95 | 2.3K | 294 | 439 |
| 312 | Molecular Pharmacology | 54 | 2.3K | 50 | 80 |
| 313 | Cell communication | 86 | 2.2K | 15 | 26 |
| 314 | Fractals | 77 | 2.2K | 48 | 46 |
| 315 | Medical innovations | 66 | 2.2K | 71 | 269 |
| 316 | Economic Development | 75 | 2.2K | 145 | 265 |
| 317 | Dementia | 121 | 2.2K | 161 | 175 |
| 318 | probabilities | 102 | 2.2K | 104 | 62 |
| 319 | Solitons | 72 | 2.2K | 34 | 39 |
| 319 | Chaos | 72 | 2.2K | 34 | 39 |
| 321 | Histology | 99 | 2.2K | 163 | 333 |
| 322 | Sustainable Development | 55 | 2.2K | 184 | 259 |
| 323 | Agricultural Chemistry | 54 | 2.1K | 462 | 380 |
| 324 | biochemical markers | 124 | 2.1K | 5 | 9 |
| 325 | Cerebral cortex | 73 | 2.1K | 80 | 194 |
| 326 | Data Mining | 67 | 2.1K | 68 | 213 |
| 327 | Antioxidants | 35 | 2.1K | 60 | 112 |
| 328 | Molecular Imaging | 87 | 2.1K | 41 | 123 |
| 329 | Biopharmaceutics | 45 | 2.1K | 138 | 98 |
| 330 | Environmental Microbiology | 41 | 2.0K | 213 | 298 |
| 330 | Infections | 63 | 2.0K | 110 | 240 |
| 332 | Microorganisms | 43 | 2.0K | 172 | 262 |
| 333 | arthritis | 51 | 2.0K | 270 | 385 |
| 334 | Radiation | 137 | 2.0K | 100 | 230 |
| 335 | Public Policy | 53 | 2.0K | 269 | 222 |
| 336 | Orthopedics | 132 | 2.0K | 100 | 284 |
| 337 | Anatomy | 47 | 2.0K | 453 | 472 |
| 338 | Obesity | 68 | 2.0K | 352 | 514 |
| 339 | Electromagnetism | 92 | 2.0K | 18 | 27 |
| 340 | Nanoelectronics | 119 | 2.0K | 25 | 20 |
| 341 | Radiation Oncology | 92 | 2.0K | 7 | 10 |
| 342 | Industrial Engineering | 67 | 2.0K | 228 | 235 |
| 343 | Database Management | 59 | 1.9K | 94 | 104 |
| 344 | Electrochemical Analysis | 74 | 1.9K | 130 | 159 |
| 345 | Developmental Immunology | 69 | 1.9K | 24 | 49 |
| 346 | Systems Engineering | 62 | 1.9K | 231 | 155 |
| 346 | environmental indicators | 31 | 1.9K | 136 | 87 |
| 348 | Semiconductor industry | 102 | 1.9K | 18 | 19 |
| 349 | Recycling | 33 | 1.9K | 45 | 71 |
| 350 | Parasitology | 90 | 1.9K | 288 | 383 |
| 351 | Digestive system diseases | 112 | 1.9K | 39 | 90 |
| 352 | Process Control | 28 | 1.8K | 138 | 139 |
| 353 | Metallurgy | 60 | 1.8K | 493 | 478 |
| 354 | Social Sciences | 92 | 1.8K | 455 | 408 |
| 355 | International Finance | 96 | 1.8K | 66 | 171 |
| 356 | Clinical Biochemistry | 40 | 1.8K | 252 | 149 |
| 357 | Mass Spectrometry | 91 | 1.8K | 80 | 171 |
| 358 | Organometallic chemistry | 81 | 1.8K | 130 | 109 |
| 359 | Plastics | 85 | 1.8K | 112 | 145 |
| 360 | Nonlinear functional analysis | 124 | 1.8K | 15 | 42 |
| 361 | Gerontology | 131 | 1.8K | 180 | 283 |
| 362 | city planning | 55 | 1.8K | 219 | 183 |
| 363 | mycoses | 33 | 1.7K | 108 | 212 |
| 364 | Sociology | 107 | 1.7K | 342 | 550 |
| 365 | Multimedia Systems | 105 | 1.7K | 69 | 70 |
| 366 | cloning | 31 | 1.7K | 83 | 160 |
| 367 | Educational Technology | 104 | 1.7K | 38 | 118 |
| 368 | Primary health care | 74 | 1.7K | 205 | 234 |
| 369 | Ecological Engineering | 35 | 1.7K | 41 | 42 |
| 370 | Bacterial infections | 37 | 1.7K | 112 | 252 |
| 371 | Growth | 35 | 1.6K | 343 | 478 |
| 372 | Antibacterial agents | 55 | 1.6K | 27 | 47 |
| 373 | Adolescent Medicine | 12 | 1.6K | 305 | 180 |
| 373 | Mechanics | 75 | 1.6K | 81 | 100 |
| 375 | Fiber Optics | 103 | 1.6K | 9 | 9 |
| 376 | Hormones | 57 | 1.6K | 169 | 291 |
| 377 | Pharmacogenetics | 66 | 1.6K | 75 | 192 |
| 378 | Andrology | 96 | 1.6K | 13 | 52 |
| 379 | Drug targeting | 46 | 1.6K | 8 | 7 |
| 380 | histological techniques | 51 | 1.6K | 51 | 98 |
| 381 | Telecommunication | 133 | 1.6K | 99 | 234 |
| 382 | healthcare disparities | 67 | 1.6K | 17 | 24 |
| 383 | Orthopedic Surgery | 97 | 1.6K | 30 | 92 |
| 384 | Kidney diseases | 69 | 1.6K | 88 | 160 |
| 385 | Plant Ecology | 41 | 1.6K | 390 | 483 |
| 386 | fertility | 52 | 1.6K | 247 | 322 |
| 387 | Neuroimmunology | 32 | 1.6K | 137 | 144 |
| 387 | Infertility | 51 | 1.6K | 238 | 306 |
| 389 | Geography | 42 | 1.6K | 574 | 442 |
| 390 | poverty | 65 | 1.5K | 7 | 19 |
| 391 | Psychopharmacology | 45 | 1.5K | 410 | 539 |
| 392 | Radio | 50 | 1.5K | 67 | 50 |
| 393 | Earth Sciences | 116 | 1.5K | 378 | 858 |
| 394 | Astronomy | 94 | 1.5K | 812 | 1201 |
| 395 | Ultrasonics | 68 | 1.5K | 49 | 120 |
| 396 | Dermatology | 100 | 1.5K | 227 | 426 |
| 397 | data collection | 30 | 1.5K | 118 | 218 |
| 397 | brain mapping | 46 | 1.5K | 84 | 166 |
| 399 | Cell cycle | 52 | 1.5K | 13 | 26 |
| 399 | cell proliferation | 52 | 1.5K | 13 | 28 |
| 401 | energy conservation | 37 | 1.5K | 343 | 450 |
| 402 | Technological Innovations | 41 | 1.5K | 67 | 57 |
| 403 | Psychoneuroimmunology | 27 | 1.5K | 143 | 138 |
| 404 | Databases | 44 | 1.4K | 57 | 59 |
| 405 | Biodiversity | 55 | 1.4K | 376 | 593 |
| 406 | rehabilitation | 87 | 1.4K | 237 | 485 |
| 407 | ovary | 80 | 1.4K | 2 | 2 |
| 408 | Computer Graphics | 67 | 1.4K | 197 | 284 |
| 409 | Evolution | 37 | 1.4K | 529 | 677 |
| 410 | Diagnosis | 114 | 1.4K | 5 | 15 |
| 411 | Quality of life | 68 | 1.4K | 96 | 290 |
| 412 | Tropical Medicine | 53 | 1.4K | 245 | 232 |
| 413 | Manufacturing Processes | 29 | 1.4K | 721 | 434 |
| 414 | pain | 41 | 1.4K | 301 | 422 |
| 415 | analysis | 30 | 1.4K | 54 | 61 |
| 416 | Child Development | 48 | 1.4K | 442 | 534 |
| 417 | Photochemistry | 58 | 1.4K | 163 | 271 |
| 418 | health services accessibility | 29 | 1.4K | 197 | 102 |
| 419 | occupational diseases | 38 | 1.4K | 145 | 145 |
| 420 | Engineering Mathematics | 170 | 1.4K | 91 | 268 |
| 421 | computer networks | 83 | 1.3K | 198 | 340 |
| 422 | Food | 46 | 1.3K | 705 | 800 |
| 423 | Wireless Communication Systems | 109 | 1.3K | 110 | 231 |
| 424 | Health Services Research | 70 | 1.3K | 235 | 339 |
| 425 | Pediatric Neurology | 27 | 1.3K | 350 | 557 |
| 426 | Cardiovascular diseases | 92 | 1.3K | 171 | 369 |
| 427 | DNS | 105 | 1.3K | 4 | 30 |
| 428 | Surface properties | 41 | 1.3K | 95 | 164 |
| 429 | Reproductive health | 52 | 1.3K | 63 | 90 |
| 430 | Nanochemistry | 77 | 1.3K | 26 | 48 |
| 431 | Surface-Active Agents | 37 | 1.3K | 103 | 152 |
| 432 | Dynamics | 70 | 1.3K | 147 | 164 |
| 433 | DNA | 103 | 1.2K | 3 | 18 |
| 434 | Biomarkers | 52 | 1.2K | 9 | 7 |
| 434 | energy development | 16 | 1.2K | 210 | 248 |
| 436 | Animal Behavior | 16 | 1.2K | 946 | 666 |
| 437 | Plant genetic engineering | 24 | 1.2K | 248 | 242 |
| 438 | Ultrasound | 62 | 1.2K | 25 | 51 |
| 439 | Urban Policy | 30 | 1.2K | 94 | 86 |
| 440 | Pharmacokinetics | 45 | 1.2K | 87 | 125 |
| 441 | Immunochemistry | 51 | 1.2K | 94 | 114 |
| 442 | Marine Meteorology | 80 | 1.2K | 48 | 112 |
| 443 | Japan | 47 | 1.2K | 415 | 239 |
| 444 | plant communities | 17 | 1.2K | 465 | 381 |
| 445 | biomedicine | 85 | 1.2K | 28 | 65 |
| 446 | epilepsy | 43 | 1.2K | 135 | 158 |
| 447 | Computer Science | 169 | 1.2K | 35 | 193 |
| 448 | Parasites | 48 | 1.2K | 226 | 292 |
| 449 | Quantum theory | 47 | 1.1K | 108 | 119 |
| 450 | Respiratory system | 55 | 1.1K | 30 | 74 |
| 451 | synthesis | 89 | 1.1K | 29 | 36 |
| 452 | Ethology | 12 | 1.1K | 872 | 603 |
| 453 | Molecular Microbiology | 24 | 1.1K | 300 | 403 |
| 454 | Rheumatology | 43 | 1.1K | 260 | 456 |
| 455 | Thrombosis | 61 | 1.1K | 137 | 350 |
| 456 | disease outbreaks | 14 | 1.1K | 209 | 116 |
| 456 | Epidemics | 14 | 1.1K | 203 | 114 |
| 458 | Audiology | 39 | 1.1K | 162 | 189 |
| 459 | Bioinorganic chemistry | 50 | 1.1K | 206 | 264 |
| 460 | pigments | 43 | 1.1K | 85 | 84 |
| 461 | Photobiology | 44 | 1.1K | 115 | 186 |
| 462 | internet | 45 | 1.1K | 113 | 145 |
| 463 | Ceramic materials | 35 | 1.1K | 246 | 219 |
| 464 | Communication | 66 | 1.1K | 301 | 416 |
| 465 | drug development | 37 | 1.1K | 140 | 500 |
| 466 | Global Health | 29 | 1.1K | 205 | 113 |
| 467 | Quantum electronics | 53 | 1.0K | 65 | 42 |
| 468 | Fracture mechanics | 58 | 1.0K | 192 | 292 |
| 469 | Soil biology | 14 | 1.0K | 451 | 403 |
| 470 | Neuroplasticity | 52 | 1.0K | 5 | 8 |
| 471 | cell adhesion molecules | 41 | 1.0K | 23 | 51 |
| 472 | Bacteriology | 21 | 1.0K | 830 | 885 |
| 473 | neuronal plasticity | 50 | 1.0K | 3 | 6 |
| 474 | sustainability | 16 | 997 | 215 | 245 |
| 475 | air quality management | 35 | 996 | 28 | 59 |
| 476 | protein | 58 | 995 | 155 | 368 |
| 477 | Genes | 77 | 993 | 64 | 193 |
| 478 | Nanophotonics | 33 | 987 | 16 | 30 |
| 478 | eye | 20 | 987 | 27 | 125 |
| 480 | Optical Communications | 55 | 986 | 37 | 52 |
| 481 | Marine Biology | 22 | 985 | 1175 | 940 |
| 482 | international trade | 21 | 980 | 122 | 110 |
| 483 | Electrical Engineering | 137 | 962 | 404 | 503 |
| 484 | Health | 63 | 959 | 361 | 653 |
| 485 | Muscles | 34 | 958 | 158 | 265 |
| 486 | Child | 60 | 952 | 484 | 731 |
| 487 | Parenteral nutrition | 37 | 951 | 201 | 401 |
| 488 | Sleep | 71 | 945 | 270 | 543 |
| 489 | Geometry | 96 | 942 | 60 | 92 |
| 490 | Solar Energy | 25 | 932 | 429 | 478 |
| 491 | Sleep Disorders | 66 | 926 | 291 | 547 |
| 492 | Cybernetics | 35 | 924 | 244 | 309 |
| 492 | multimedia | 43 | 924 | 22 | 28 |
| 492 | Interactive multimedia | 43 | 924 | 27 | 31 |
| 495 | tomography | 66 | 922 | 16 | 44 |
| 496 | Pregnancy | 70 | 921 | 44 | 148 |
| 497 | Food additives | 29 | 917 | 250 | 331 |
| 498 | Regional Planning | 25 | 912 | 503 | 379 |
| 498 | Public Administration | 52 | 912 | 229 | 265 |
| 498 | Analytical Biochemistry | 64 | 912 | 142 | 475 |
| 501 | enzymes | 33 | 909 | 348 | 455 |
| 502 | Autism | 14 | 908 | 303 | 228 |
| 503 | Geology | 23 | 906 | 1424 | 1125 |
| 503 | Phytotherapy | 39 | 906 | 71 | 108 |
| 505 | mass transfer | 31 | 905 | 433 | 483 |
| 506 | Radiology | 87 | 899 | 137 | 324 |
| 507 | gastrointestinal tract | 20 | 895 | 29 | 50 |
| 508 | Ultrasonic Imaging | 44 | 894 | 28 | 45 |
| 509 | biological invasions | 15 | 882 | 187 | 97 |
| 510 | United Kingdom | 38 | 880 | 399 | 655 |
| 511 | Health Services Administration | 47 | 875 | 131 | 239 |
| 512 | Enteral nutrition | 32 | 869 | 155 | 323 |
| 513 | Oceanography | 68 | 867 | 382 | 735 |
| 514 | Econometrics | 63 | 864 | 171 | 379 |
| 514 | Biomechanics | 71 | 864 | 144 | 437 |
| 516 | Soil Science | 16 | 854 | 840 | 619 |
| 517 | Chromosomes | 30 | 851 | 206 | 318 |
| 518 | DNA polymerases | 14 | 844 | 167 | 329 |
| 519 | solar cells | 18 | 842 | 248 | 266 |
| 520 | Schizophrenia | 22 | 840 | 445 | 471 |
| 521 | Pancreatic diseases | 51 | 836 | 65 | 55 |
| 522 | Leadership | 3 | 835 | 548 | 157 |
| 523 | solar power | 17 | 828 | 217 | 228 |
| 524 | Agriculture | 18 | 826 | 1002 | 713 |
| 525 | indoor air pollution | 26 | 811 | 41 | 74 |
| 525 | Ventilation | 26 | 811 | 80 | 88 |
| 525 | Sick building syndrome | 26 | 811 | 41 | 74 |
| 528 | Mechanical Engineering | 53 | 810 | 498 | 495 |
| 529 | Superconductors | 37 | 808 | 121 | 113 |
| 530 | Mycology | 35 | 802 | 412 | 598 |
| 531 | Chemotherapy | 46 | 794 | 283 | 471 |
| 532 | food technology | 29 | 787 | 788 | 929 |
| 533 | Systems Analysis | 30 | 785 | 177 | 139 |
| 534 | older people | 103 | 783 | 170 | 313 |
| 535 | Cosmology | 63 | 782 | 208 | 318 |
| 535 | Ethnology | 19 | 782 | 537 | 208 |
| 537 | Robotics | 23 | 780 | 541 | 415 |
| 538 | Social Change | 20 | 779 | 218 | 317 |
| 538 | toxicity testing | 37 | 779 | 75 | 137 |
| 540 | Health Education | 29 | 774 | 589 | 542 |
| 541 | Wetland ecology | 10 | 764 | 165 | 75 |
| 542 | Bifurcation Theory | 33 | 763 | 74 | 80 |
| 543 | Luminescence | 67 | 759 | 75 | 178 |
| 544 | Ocean Engineering | 24 | 752 | 577 | 527 |
| 545 | Molecular Spectroscopy | 59 | 748 | 197 | 419 |
| 546 | Integrative Medicine | 70 | 745 | 13 | 21 |
| 546 | RNA | 13 | 745 | 219 | 198 |
| 548 | Political Science | 58 | 741 | 354 | 440 |
| 549 | drug resistance | 31 | 734 | 58 | 127 |
| 549 | Sarcopenia | 16 | 734 | 64 | 127 |
| 551 | Calculus of Variations | 78 | 727 | 10 | 43 |
| 552 | libraries | 11 | 722 | 363 | 54 |
| 553 | Internet of Things | 39 | 720 | 90 | 112 |
| 553 | hydrocolloids | 11 | 720 | 295 | 279 |
| 555 | Vision | 24 | 717 | 195 | 256 |
| 555 | cardiac catheterization | 37 | 717 | 170 | 196 |
| 557 | Land use | 12 | 714 | 517 | 283 |
| 557 | biofuels | 11 | 714 | 98 | 109 |
| 559 | Forensic Genetics | 35 | 713 | 30 | 63 |
| 560 | Wetland conservation | 8 | 710 | 148 | 60 |
| 560 | Wetlands | 8 | 710 | 151 | 60 |
| 562 | rare diseases | 48 | 709 | 41 | 207 |
| 563 | behavioral medicine | 30 | 708 | 327 | 554 |
| 564 | anesthesia | 57 | 707 | 20 | 18 |
| 565 | disease susceptibility | 63 | 704 | 7 | 18 |
| 565 | symptoms | 63 | 704 | 7 | 18 |
| 567 | Radio waves | 31 | 701 | 48 | 39 |
| 568 | Radiography | 37 | 700 | 145 | 254 |
| 569 | Social work | 28 | 698 | 408 | 302 |
| 570 | Biological Systems | 25 | 696 | 83 | 97 |
| 571 | Ecosystem management | 11 | 693 | 332 | 204 |
| 572 | Cognitive Science | 40 | 691 | 254 | 600 |
| 573 | Autoimmunity | 26 | 688 | 173 | 346 |
| 574 | Cell division | 32 | 687 | 50 | 106 |
| 575 | Retina | 5 | 684 | 120 | 164 |
| 576 | Functional Genomics | 6 | 682 | 190 | 87 |
| 577 | Biogeography | 9 | 679 | 643 | 580 |
| 578 | Women's health | 46 | 675 | 161 | 314 |
| 579 | planning | 42 | 674 | 53 | 82 |
| 580 | Microbial Biotechnology | 25 | 667 | 137 | 187 |
| 581 | Informatics | 29 | 663 | 116 | 263 |
| 582 | Crystal growth | 25 | 662 | 243 | 268 |
| 583 | Geriatric Psychiatry | 33 | 661 | 230 | 395 |
| 584 | Breeding | 17 | 656 | 526 | 460 |
| 585 | disease vectors | 38 | 654 | 139 | 276 |
| 585 | Memory | 24 | 654 | 800 | 900 |
| 587 | Medical Anthropology | 24 | 648 | 378 | 624 |
| 588 | Adolescent | 39 | 644 | 522 | 761 |
| 589 | glycoproteins | 35 | 643 | 45 | 160 |
| 589 | Glycoconjugates | 35 | 643 | 45 | 160 |
| 589 | peptides | 52 | 643 | 40 | 104 |
| 589 | glycolipids | 35 | 643 | 45 | 160 |
| 593 | vascular diseases | 23 | 637 | 221 | 369 |
| 594 | Mobile Computing | 49 | 628 | 77 | 175 |
| 594 | preventive medicine | 29 | 628 | 384 | 616 |
| 596 | ecosystem | 9 | 625 | 882 | 717 |
| 597 | particles | 31 | 623 | 123 | 169 |
| 598 | biological monitoring | 14 | 619 | 115 | 95 |
| 599 | Metallography | 13 | 618 | 319 | 173 |
| 600 | Hemodynamics | 16 | 616 | 283 | 363 |
| 601 | Metastasis | 14 | 608 | 25 | 101 |
| 601 | Biomolecules | 23 | 608 | 56 | 179 |
| 601 | drug toxicity | 21 | 608 | 38 | 59 |
| 604 | Food service management | 9 | 607 | 156 | 160 |
| 605 | Birds | 21 | 602 | 474 | 344 |
| 605 | Decision making | 44 | 602 | 210 | 500 |
| 607 | Gene library | 11 | 598 | 20 | 14 |
| 608 | Neurotoxicology | 27 | 597 | 55 | 152 |
| 608 | Endocrine glands | 11 | 597 | 78 | 167 |
| 610 | Phylogeny | 25 | 596 | 211 | 412 |
| 611 | micromechanics | 15 | 594 | 204 | 157 |
| 612 | Biogeochemistry | 10 | 591 | 704 | 664 |
| 612 | Capital market | 31 | 591 | 30 | 82 |
| 612 | Detectors | 55 | 591 | 60 | 77 |
| 615 | Immunogenetics | 20 | 588 | 225 | 252 |
| 615 | X-rays | 58 | 588 | 24 | 93 |
| 617 | mutation | 17 | 586 | 179 | 266 |
| 618 | Humanities | 46 | 580 | 165 | 173 |
| 619 | Organizational change | 10 | 578 | 314 | 169 |
| 619 | Autoimmune diseases | 22 | 578 | 141 | 247 |
| 621 | Geochemistry | 30 | 576 | 783 | 1104 |
| 622 | Intelligent Transportation Systems | 37 | 575 | 88 | 148 |
| 623 | Neuropsychiatry | 11 | 574 | 516 | 366 |
| 624 | acupuncture | 79 | 573 | 6 | 2 |
| 625 | preimplantation genetic diagnosis | 34 | 571 | 35 | 86 |
| 625 | embryo transfer | 34 | 571 | 42 | 94 |
| 627 | Graphene | 6 | 570 | 35 | 27 |
| 628 | Stochastic Processes | 35 | 569 | 109 | 129 |
| 629 | bioclimatology | 27 | 567 | 132 | 219 |
| 630 | hygiene | 21 | 566 | 93 | 96 |
| 631 | Microwaves | 79 | 564 | 86 | 157 |
| 632 | Plant Biotechnology | 13 | 562 | 328 | 298 |
| 633 | Algebra | 67 | 560 | 202 | 227 |
| 633 | Statistical Mechanics | 74 | 560 | 94 | 246 |
| 635 | Business Ethics | 16 | 557 | 317 | 541 |
| 636 | Chemical Oceanography | 4 | 556 | 306 | 172 |
| 636 | Autoantibodies | 21 | 556 | 126 | 227 |
| 636 | gene transfer | 40 | 556 | 5 | 41 |
| 636 | genetic transformation | 40 | 556 | 5 | 41 |
| 640 | Housing | 9 | 555 | 223 | 107 |
| 641 | Heart Failure | 4 | 551 | 470 | 222 |
| 642 | Clinical Psychology | 17 | 550 | 679 | 884 |
| 642 | Social Psychology | 40 | 550 | 546 | 1017 |
| 642 | Regeneration | 19 | 550 | 6 | 4 |
| 645 | Population | 19 | 549 | 328 | 306 |
| 646 | Jurisprudence | 42 | 546 | 157 | 253 |
| 647 | Histocompatibility Testing | 12 | 543 | 263 | 106 |
| 648 | software | 38 | 541 | 53 | 297 |
| 649 | Nonlinear mechanics | 9 | 540 | 173 | 58 |
| 650 | Health promotion | 27 | 538 | 456 | 630 |
| 650 | transport vesicles | 5 | 538 | 158 | 353 |
| 652 | Randomized Controlled Trials | 67 | 534 | 97 | 267 |
| 653 | personality | 29 | 528 | 449 | 762 |
| 654 | Developmental Psychology | 14 | 526 | 479 | 541 |
| 655 | Geobiology | 11 | 525 | 221 | 162 |
| 656 | Nitric oxide | 31 | 520 | 18 | 39 |
| 657 | Eastern Europe | 25 | 519 | 165 | 67 |
| 658 | eugenics | 19 | 518 | 149 | 154 |
| 659 | Insects | 11 | 516 | 898 | 507 |
| 659 | Australia | 41 | 516 | 365 | 558 |
| 661 | Hematopoietic stem cell transplantation | 22 | 510 | 43 | 157 |
| 661 | Antigens | 13 | 510 | 481 | 415 |
| 663 | Quality Control | 12 | 509 | 851 | 611 |
| 664 | Child psychology | 14 | 508 | 791 | 884 |
| 664 | Developed countries | 14 | 508 | 25 | 55 |
| 666 | Hemostasis | 33 | 503 | 144 | 274 |
| 667 | Screening | 13 | 498 | 37 | 20 |
| 668 | Biochemical Genetics | 44 | 494 | 14 | 33 |
| 669 | Development | 15 | 492 | 294 | 390 |
| 670 | econometric models | 24 | 490 | 53 | 131 |
| 671 | Nephrology | 8 | 487 | 420 | 353 |
| 672 | medical education | 27 | 483 | 604 | 713 |
| 673 | Food Microbiology | 15 | 480 | 552 | 737 |
| 674 | Water quality management | 26 | 479 | 480 | 607 |
| 675 | Information Systems | 22 | 478 | 351 | 488 |
| 676 | economic indicators | 37 | 477 | 5 | 10 |
| 676 | Economic Assistance | 11 | 477 | 326 | 359 |
| 676 | world | 11 | 477 | 354 | 440 |
| 679 | Bacterial diseases | 17 | 475 | 23 | 49 |
| 680 | Bibliometrics | 18 | 474 | 20 | 37 |
| 680 | Chemical industry | 40 | 474 | 237 | 322 |
| 682 | Investment analysis | 36 | 472 | 49 | 208 |
| 682 | visualization | 92 | 472 | 94 | 249 |
| 684 | Sports Medicine | 60 | 471 | 527 | 1139 |
| 685 | Genetic Toxicology | 17 | 467 | 107 | 219 |
| 686 | Ornithology | 18 | 463 | 391 | 309 |
| 687 | food handling | 7 | 458 | 554 | 358 |
| 688 | Occupational Health | 18 | 457 | 406 | 354 |
| 688 | Astrocytes | 18 | 457 | 122 | 343 |
| 690 | Economic Thought | 10 | 455 | 94 | 186 |
| 690 | Microprocessors | 19 | 455 | 86 | 49 |
| 690 | economic conditions | 10 | 455 | 303 | 207 |
| 693 | Tissue Engineering | 24 | 453 | 38 | 106 |
| 694 | Transportation | 17 | 452 | 718 | 748 |
| 695 | Artificial Organs | 19 | 449 | 237 | 190 |
| 696 | Bioenergetics | 11 | 445 | 446 | 428 |
| 697 | Urban Economics | 7 | 442 | 203 | 184 |
| 697 | urban population | 7 | 442 | 112 | 139 |
| 699 | Cheminformatics | 6 | 441 | 212 | 228 |
| 700 | Molecular ecology | 16 | 439 | 529 | 828 |
| 701 | Neonatology | 20 | 437 | 137 | 202 |
| 701 | Evolutionary Genetics | 34 | 437 | 41 | 190 |
| 701 | Molecular Epidemiology | 34 | 437 | 41 | 190 |
| 704 | Learning | 16 | 435 | 593 | 681 |
| 705 | radiative transfer | 48 | 434 | 78 | 211 |
| 706 | Mutagenesis | 18 | 433 | 74 | 95 |
| 707 | Apoptosis | 21 | 431 | 23 | 63 |
| 707 | neurotoxins | 21 | 431 | 23 | 63 |
| 707 | Neurotoxic agents | 21 | 431 | 23 | 63 |
| 707 | Nerve regeneration | 21 | 431 | 23 | 63 |
| 711 | Agricultural Ecology | 7 | 429 | 793 | 721 |
| 712 | Soil ecology | 9 | 425 | 434 | 410 |
| 713 | Securities | 21 | 424 | 14 | 77 |
| 713 | Insect biochemistry | 6 | 424 | 319 | 211 |
| 715 | Oral Medicine | 26 | 421 | 93 | 109 |
| 716 | Transgenic plants | 15 | 418 | 145 | 202 |
| 717 | Hydrology | 24 | 417 | 987 | 1303 |
| 718 | Computer Architecture | 14 | 415 | 139 | 80 |
| 719 | amino acids | 13 | 411 | 150 | 191 |
| 720 | Steroids | 23 | 408 | 309 | 513 |
| 720 | weather | 17 | 408 | 117 | 193 |
| 722 | Computer-Aided Design | 20 | 404 | 337 | 444 |
| 722 | big data | 23 | 404 | 24 | 110 |
| 724 | Quantitative Research | 17 | 403 | 54 | 98 |
| 725 | East Asia | 35 | 401 | 46 | 60 |
| 725 | heredity | 37 | 401 | 85 | 241 |
| 727 | Music | 26 | 397 | 181 | 201 |
| 727 | Transplantation | 31 | 397 | 428 | 953 |
| 729 | voice | 25 | 396 | 74 | 129 |
| 730 | Radioisotopes | 20 | 395 | 423 | 337 |
| 730 | Climate | 13 | 395 | 216 | 282 |
| 732 | Histochemistry | 39 | 392 | 166 | 472 |
| 733 | Education | 42 | 391 | 1078 | 1442 |
| 733 | chromatin | 4 | 391 | 108 | 60 |
| 735 | Population Genetics | 17 | 390 | 564 | 866 |
| 736 | Urban Planning | 8 | 389 | 206 | 146 |
| 736 | community development | 8 | 389 | 323 | 153 |
| 738 | Marine Pollution | 11 | 388 | 625 | 728 |
| 739 | Plant tissue culture | 14 | 386 | 251 | 294 |
| 739 | Elderly | 80 | 386 | 166 | 276 |
| 741 | Ferroelectricity | 34 | 384 | 175 | 210 |
| 742 | Plant cell culture | 11 | 380 | 270 | 293 |
| 743 | Cytokine | 19 | 379 | 50 | 254 |
| 744 | Bones | 26 | 378 | 279 | 618 |
| 745 | Continental shelf | 4 | 375 | 398 | 206 |
| 746 | Spine | 21 | 371 | 263 | 515 |
| 747 | global environmental change | 12 | 369 | 380 | 618 |
| 747 | language | 9 | 369 | 447 | 367 |
| 749 | Cognition | 33 | 368 | 511 | 1029 |
| 750 | Human-Computer Interaction | 29 | 366 | 269 | 639 |
| 750 | Multilingualism | 11 | 366 | 74 | 50 |
| 752 | Software Engineering | 23 | 365 | 249 | 319 |
| 752 | Waste management | 18 | 365 | 444 | 474 |
| 754 | coal | 12 | 362 | 822 | 1032 |
| 755 | Human Geography | 8 | 361 | 716 | 460 |
| 756 | Laser therapy | 43 | 360 | 21 | 71 |
| 757 | Carbohydrates | 19 | 355 | 92 | 254 |
| 758 | Computational Chemistry | 22 | 352 | 134 | 386 |
| 758 | Geriatric Oncology | 18 | 352 | 174 | 334 |
| 760 | foreign exchange | 16 | 348 | 63 | 173 |
| 761 | Multiple sclerosis | 19 | 344 | 166 | 145 |
| 762 | Nuclear Engineering | 59 | 342 | 254 | 413 |
| 762 | Ceramics | 20 | 342 | 570 | 757 |
| 764 | Tribology | 20 | 340 | 411 | 531 |
| 765 | Oligosaccharides | 23 | 339 | 21 | 74 |
| 766 | Sound | 19 | 337 | 216 | 162 |
| 767 | Radio frequency | 18 | 336 | 52 | 94 |
| 768 | optical devices | 25 | 328 | 57 | 120 |
| 769 | Hydrodynamics | 26 | 321 | 116 | 324 |
| 770 | Multivariate Analysis | 23 | 317 | 93 | 204 |
| 770 | Simulation Methods | 9 | 317 | 504 | 264 |
| 770 | Mass Media | 27 | 317 | 214 | 153 |
| 773 | Particle Physics | 27 | 316 | 156 | 301 |
| 774 | transgenic organisms | 11 | 314 | 60 | 100 |
| 774 | Parkinson's disease | 15 | 314 | 39 | 96 |
| 776 | Long-Term Care | 8 | 311 | 359 | 399 |
| 776 | Long-term care facilities | 8 | 311 | 353 | 399 |
| 778 | Community Psychiatry | 8 | 309 | 686 | 643 |
| 779 | primary prevention | 4 | 307 | 425 | 174 |
| 780 | Radiochemistry | 50 | 306 | 158 | 361 |
| 780 | Plant hormones | 3 | 306 | 352 | 139 |
| 782 | Cognitive Therapy | 3 | 305 | 741 | 332 |
| 783 | Oligosaccharide | 12 | 304 | 105 | 229 |
| 784 | Forest Ecology | 5 | 301 | 968 | 735 |
| 784 | Forest Management | 5 | 301 | 918 | 671 |
| 786 | Geomorphology | 8 | 300 | 978 | 988 |
| 786 | Politics | 8 | 300 | 416 | 213 |
| 786 | government | 8 | 300 | 482 | 273 |
| 789 | vibration | 19 | 299 | 432 | 604 |
| 789 | Social behavior | 12 | 299 | 604 | 753 |
| 791 | Environmental Geology | 11 | 298 | 821 | 903 |
| 791 | Respiratory Infections | 14 | 298 | 107 | 133 |
| 791 | Europa | 6 | 298 | 357 | 218 |
| 794 | Child welfare | 17 | 297 | 398 | 508 |
| 795 | Cognitive neuroscience | 13 | 296 | 498 | 827 |
| 796 | transgenic animals | 9 | 293 | 67 | 114 |
| 796 | Emulsions | 10 | 293 | 125 | 57 |
| 796 | Growth factors | 10 | 293 | 74 | 266 |
| 799 | soil conservation | 10 | 287 | 340 | 411 |
| 800 | Telecommunication Systems | 21 | 286 | 471 | 660 |
| 800 | Transnational corporations | 7 | 286 | 116 | 103 |
| 802 | stocks | 8 | 285 | 25 | 46 |
| 803 | Emergency Medicine | 19 | 284 | 714 | 853 |
| 804 | Nuclear Chemistry | 47 | 283 | 175 | 453 |
| 804 | Flexible electronics | 8 | 283 | 16 | 35 |
| 806 | Otolaryngology | 23 | 282 | 188 | 358 |
| 806 | Nuclear Energy | 50 | 282 | 234 | 472 |
| 806 | Microcirculation | 17 | 282 | 106 | 229 |
| 809 | Teratology | 5 | 281 | 288 | 218 |
| 809 | abnormalities | 5 | 281 | 153 | 117 |
| 811 | soil pollution | 9 | 280 | 210 | 192 |
| 812 | Cell survival | 8 | 279 | 71 | 99 |
| 812 | cultural pluralism | 6 | 279 | 239 | 89 |
| 812 | molecular chaperones | 8 | 279 | 86 | 99 |
| 815 | Information Retrieval | 10 | 278 | 186 | 265 |
| 815 | Liquid Crystals | 31 | 278 | 228 | 233 |
| 815 | Influenza | 13 | 278 | 67 | 99 |
| 818 | Water Purification | 15 | 277 | 409 | 484 |
| 818 | Eating Disorders | 10 | 277 | 532 | 581 |
| 818 | Feeding and Eating Disorders | 10 | 277 | 519 | 554 |
| 821 | World Wide Web | 36 | 276 | 16 | 88 |
| 822 | machinery | 13 | 275 | 291 | 292 |
| 823 | Palliative Care | 16 | 274 | 350 | 449 |
| 824 | Agricultural Science | 1 | 273 | 530 | 251 |
| 824 | Agronomy | 1 | 273 | 1161 | 414 |
| 826 | Entomology | 14 | 272 | 1347 | 1235 |
| 827 | Raman spectroscopy | 14 | 271 | 276 | 392 |
| 827 | Entropy | 29 | 271 | 127 | 321 |
| 829 | Archaeology | 32 | 269 | 399 | 689 |
| 829 | Financial management | 12 | 269 | 194 | 363 |
| 831 | Plant diseases | 14 | 268 | 1080 | 1195 |
| 832 | Structural Engineering | 6 | 267 | 1351 | 876 |
| 832 | Smart Materials | 17 | 267 | 296 | 471 |
| 834 | Plant breeding | 17 | 266 | 299 | 465 |
| 835 | Electrophysiology | 27 | 265 | 333 | 615 |
| 836 | Perception | 13 | 264 | 1194 | 1501 |
| 837 | Measurement | 20 | 263 | 345 | 608 |
| 838 | Information Theory | 37 | 262 | 190 | 637 |
| 838 | Sonochemistry | 6 | 262 | 379 | 499 |
| 838 | antibiotics | 12 | 262 | 167 | 209 |
| 841 | dietary supplements | 16 | 260 | 185 | 462 |
| 841 | Hypertension in pregnancy | 12 | 260 | 109 | 45 |
| 841 | Psychiatric Epidemiology | 5 | 260 | 448 | 394 |
| 841 | alcoholism | 20 | 260 | 620 | 1106 |
| 845 | Regional Economics | 2 | 259 | 650 | 192 |
| 846 | Lipid metabolism | 9 | 258 | 179 | 327 |
| 846 | Lipid | 9 | 258 | 180 | 327 |
| 848 | Bone diseases | 15 | 257 | 126 | 484 |
| 848 | Industry | 2 | 257 | 294 | 187 |
| 850 | Glass | 16 | 254 | 490 | 792 |
| 850 | pottery | 16 | 254 | 487 | 787 |
| 850 | Attention | 13 | 254 | 1092 | 1437 |
| 853 | Earthquake Engineering | 4 | 252 | 1224 | 845 |
| 853 | Solar System | 4 | 252 | 872 | 645 |
| 855 | atmospheric models | 14 | 251 | 370 | 635 |
| 855 | Fuzzy systems | 20 | 251 | 482 | 610 |
| 857 | Land Use Planning | 3 | 250 | 413 | 245 |
| 857 | Visual Perception | 12 | 250 | 1095 | 1396 |
| 859 | Asthma | 16 | 245 | 225 | 331 |
| 860 | Patient education | 6 | 243 | 499 | 500 |
| 860 | counseling | 7 | 243 | 1033 | 811 |
| 862 | Metabolic syndrome | 18 | 241 | 25 | 59 |
| 863 | Conservation Biology | 12 | 238 | 600 | 965 |
| 863 | health behavior | 13 | 238 | 480 | 680 |
| 863 | Small Business | 4 | 238 | 721 | 739 |
| 866 | Algorithms | 27 | 237 | 80 | 297 |
| 866 | locomotion | 10 | 237 | 384 | 447 |
| 866 | posture | 10 | 237 | 384 | 447 |
| 866 | Capitalism | 5 | 237 | 98 | 42 |
| 866 | gait | 10 | 237 | 384 | 447 |
| 866 | sports injuries | 25 | 237 | 75 | 204 |
| 866 | walking | 10 | 237 | 384 | 447 |
| 873 | Infection control | 8 | 235 | 423 | 429 |
| 874 | International Relations | 28 | 234 | 323 | 461 |
| 874 | Applied Linguistics | 12 | 234 | 220 | 230 |
| 876 | health services | 17 | 233 | 414 | 622 |
| 877 | Structural dynamics | 9 | 232 | 643 | 808 |
| 877 | Research Design | 15 | 232 | 525 | 926 |
| 877 | Blood vessels | 12 | 232 | 103 | 204 |
| 880 | scientific societies | 8 | 231 | 522 | 533 |
| 881 | violence | 7 | 230 | 654 | 631 |
| 882 | Zoology | 16 | 229 | 1420 | 1624 |
| 882 | Thin Films | 13 | 229 | 179 | 211 |
| 884 | Hazardous waste | 9 | 228 | 477 | 867 |
| 885 | Evolutionary Psychology | 19 | 227 | 11 | 50 |
| 885 | Contraception | 16 | 227 | 228 | 419 |
| 887 | Imaging systems | 24 | 226 | 91 | 209 |
| 888 | Optoelectronics | 32 | 225 | 62 | 116 |
| 888 | Pacific Islands | 18 | 225 | 61 | 66 |
| 890 | Integrated Circuits | 62 | 224 | 30 | 118 |
| 890 | Neuromuscular diseases | 18 | 224 | 247 | 561 |
| 892 | Post-traumatic stress disorder | 7 | 223 | 526 | 594 |
| 893 | Mesoporous materials | 6 | 222 | 51 | 64 |
| 893 | Approximation Theory | 13 | 222 | 155 | 134 |
| 895 | Cosmochemistry | 21 | 220 | 267 | 723 |
| 895 | pharmaceutical industry | 14 | 220 | 173 | 257 |
| 897 | adolescence | 13 | 219 | 419 | 681 |
| 897 | Neuropharmacology | 14 | 219 | 184 | 453 |
| 897 | Phylogenetics | 7 | 219 | 39 | 20 |
| 900 | Mental Health Services | 13 | 218 | 644 | 821 |
| 901 | Industrial Safety | 5 | 217 | 1070 | 691 |
| 902 | Cardiovascular Pharmacology | 10 | 216 | 106 | 135 |
| 902 | Religion | 13 | 216 | 489 | 177 |
| 902 | Atomic spectroscopy | 30 | 216 | 260 | 697 |
| 905 | Substance Abuse | 18 | 215 | 632 | 1068 |
| 906 | Magnetic Resonance Imaging | 22 | 214 | 141 | 346 |
| 906 | Developmental Neurobiology | 12 | 214 | 184 | 305 |
| 908 | Social welfare | 8 | 213 | 337 | 274 |
| 909 | Genetic testing | 22 | 211 | 28 | 69 |
| 910 | Pharmacogenomics | 9 | 210 | 100 | 228 |
| 910 | Drug delivery devices | 5 | 210 | 89 | 128 |
| 910 | Developmental Disabilities | 11 | 210 | 551 | 888 |
| 913 | Body Image | 2 | 209 | 302 | 173 |
| 914 | hospice care | 13 | 208 | 201 | 251 |
| 914 | Expert Systems | 2 | 208 | 302 | 57 |
| 916 | Emergency Medical Services | 12 | 205 | 349 | 404 |
| 916 | Crystallography | 38 | 205 | 424 | 761 |
| 918 | Reproductive toxicology | 10 | 204 | 218 | 363 |
| 918 | Hearing | 11 | 204 | 369 | 466 |
| 920 | Optoelectronic devices | 22 | 203 | 152 | 234 |
| 921 | Radio wave propagation | 20 | 202 | 220 | 338 |
| 922 | Computational Complexity | 24 | 201 | 176 | 378 |
| 922 | sex crimes | 4 | 201 | 591 | 373 |
| 924 | Operator theory | 22 | 199 | 48 | 60 |
| 924 | Consciousness | 11 | 199 | 171 | 315 |
| 926 | Nuclear Fusion | 22 | 198 | 258 | 381 |
| 927 | Biofilms | 3 | 197 | 145 | 113 |
| 928 | Psycholinguistics | 11 | 196 | 529 | 781 |
| 928 | Mineral resources | 11 | 196 | 154 | 402 |
| 930 | Landscape Ecology | 7 | 195 | 294 | 406 |
| 931 | Computational Intelligence | 26 | 194 | 126 | 386 |
| 931 | Social policy | 12 | 194 | 483 | 520 |
| 933 | Power Electronics | 16 | 193 | 197 | 359 |
| 933 | Environmentalism | 2 | 193 | 209 | 105 |
| 935 | Neurotransmitters | 21 | 192 | 147 | 335 |
| 935 | calcification | 9 | 192 | 327 | 531 |
| 937 | Anti-inflammatory agents | 5 | 191 | 132 | 124 |
| 937 | drug addiction | 11 | 191 | 696 | 1087 |
| 939 | Travel | 9 | 190 | 477 | 472 |
| 939 | Fluorescence | 11 | 190 | 125 | 140 |
| 941 | Iron | 3 | 188 | 494 | 241 |
| 942 | Mental Health | 15 | 187 | 773 | 1145 |
| 942 | Magnetic Resonance Spectroscopy | 21 | 187 | 481 | 866 |
| 942 | mental processes | 9 | 187 | 167 | 168 |
| 945 | Structural design | 11 | 186 | 365 | 530 |
| 945 | breastfeeding | 12 | 186 | 186 | 336 |
| 947 | Microfabrication | 10 | 184 | 157 | 207 |
| 947 | Smoking | 8 | 184 | 527 | 725 |
| 947 | Birth control | 11 | 184 | 188 | 350 |
| 950 | income | 2 | 183 | 258 | 113 |
| 950 | Input-output analysis | 2 | 183 | 385 | 174 |
| 950 | Wealth | 2 | 183 | 258 | 113 |
| 950 | international cooperation | 13 | 183 | 200 | 446 |
| 954 | Psychometrics | 8 | 182 | 284 | 355 |
| 954 | consumer behavior | 8 | 182 | 270 | 423 |
| 954 | Biometrics | 20 | 182 | 430 | 849 |
| 957 | Wildlife conservation | 6 | 181 | 997 | 1269 |
| 957 | Flow cytometry | 7 | 181 | 246 | 318 |
| 959 | Physical fitness | 10 | 180 | 618 | 849 |
| 960 | Bioremediation | 9 | 179 | 327 | 622 |
| 960 | geological modeling | 9 | 179 | 240 | 325 |
| 962 | Gene expression | 10 | 177 | 110 | 234 |
| 963 | Microfluidics | 6 | 176 | 121 | 139 |
| 964 | Chemical processes | 17 | 175 | 175 | 365 |
| 965 | Radiation Protection | 30 | 174 | 102 | 232 |
| 965 | radiation monitoring | 30 | 174 | 85 | 218 |
| 965 | Technology Assessment | 4 | 174 | 275 | 305 |
| 965 | Antibodies | 6 | 174 | 574 | 628 |
| 965 | Protein engineering | 8 | 174 | 124 | 216 |
| 965 | molecular design | 8 | 174 | 138 | 228 |
| 971 | Telecommunications | 9 | 173 | 375 | 311 |
| 971 | soil management | 2 | 173 | 796 | 555 |
| 971 | tillage | 2 | 173 | 594 | 461 |
| 974 | Psychosomatic Medicine | 5 | 171 | 803 | 852 |
| 975 | Risk | 11 | 170 | 260 | 470 |
| 976 | Animal welfare | 10 | 169 | 118 | 222 |
| 977 | bioluminescence | 12 | 168 | 85 | 100 |
| 977 | innovation | 5 | 168 | 495 | 689 |
| 979 | Probability | 13 | 166 | 231 | 467 |
| 979 | Androgens | 2 | 166 | 385 | 242 |
| 979 | Meteorites | 4 | 166 | 997 | 1097 |
| 982 | Computer Engineering | 6 | 164 | 525 | 347 |
| 982 | Physical Therapy | 8 | 164 | 966 | 1346 |
| 982 | Superconductivity | 16 | 164 | 183 | 300 |
| 985 | Language Disorders | 10 | 163 | 485 | 622 |
| 985 | Paleoclimatology | 6 | 163 | 908 | 1062 |
| 985 | liver | 11 | 163 | 115 | 208 |
| 988 | Visual Communication | 14 | 162 | 103 | 187 |
| 988 | Image enhancement | 14 | 162 | 74 | 176 |
| 988 | radioactive waste | 4 | 162 | 723 | 1033 |
| 988 | industrial waste | 4 | 162 | 761 | 1029 |
| 992 | Neuroimaging | 9 | 161 | 137 | 170 |
| 992 | Oral Pathology | 8 | 161 | 26 | 59 |
| 992 | Longevity | 11 | 161 | 38 | 148 |
| 995 | Risk Management | 8 | 159 | 411 | 547 |
| 995 | labor | 3 | 159 | 402 | 206 |
| 997 | Biodegradation | 6 | 158 | 486 | 681 |
| 997 | Corporate governance | 14 | 158 | 110 | 433 |
| 997 | Hippocampus | 6 | 158 | 221 | 399 |
| 1000 | Macroeconomics | 11 | 156 | 127 | 224 |