| 1 | Ecology | 681 | 52.7K | 193 | 158 |
| 2 | Biology | 464 | 38.2K | 589 | 586 |
| 3 | Nuclear Physics | 776 | 38.2K | 264 | 197 |
| 4 | Pollution | 519 | 27.3K | 135 | 170 |
| 5 | Physics | 485 | 26.8K | 773 | 846 |
| 6 | Environment | 295 | 24.5K | 276 | 232 |
| 7 | Telecommunication | 394 | 21.0K | 62 | 57 |
| 8 | Psychology | 534 | 20.4K | 169 | 168 |
| 9 | Science | 392 | 19.1K | 711 | 966 |
| 10 | Environmental Health | 362 | 18.9K | 203 | 205 |
| 11 | Biochemistry | 578 | 17.7K | 649 | 748 |
| 12 | Chemistry | 332 | 16.9K | 1054 | 893 |
| 13 | Neurology | 299 | 15.9K | 501 | 484 |
| 14 | environmental pollution | 320 | 15.8K | 144 | 123 |
| 15 | Wireless Communication Systems | 337 | 14.5K | 59 | 50 |
| 16 | Biophysics | 473 | 12.8K | 285 | 364 |
| 17 | Medicine | 353 | 12.7K | 817 | 904 |
| 18 | Behavior | 197 | 12.7K | 207 | 158 |
| 19 | Psychophysiology | 325 | 12.2K | 140 | 179 |
| 20 | Fisheries | 282 | 11.8K | 25 | 13 |
| 21 | human behavior | 120 | 11.3K | 192 | 125 |
| 22 | United States | 336 | 11.1K | 267 | 238 |
| 23 | Evolution | 75 | 11.0K | 254 | 111 |
| 24 | Molecular Biology | 268 | 11.0K | 848 | 914 |
| 25 | biological evolution | 60 | 10.9K | 344 | 158 |
| 26 | Information Technology | 79 | 10.7K | 159 | 21 |
| 27 | Social Psychology | 235 | 10.7K | 94 | 117 |
| 28 | Toxicology | 290 | 10.6K | 233 | 230 |
| 29 | Animal Behavior | 245 | 10.6K | 82 | 110 |
| 30 | Environmental Engineering | 186 | 10.4K | 193 | 207 |
| 31 | Communication | 109 | 10.2K | 149 | 48 |
| 32 | Criminal psychology | 197 | 10.0K | 8 | 7 |
| 33 | Medical Physics | 355 | 9.6K | 50 | 75 |
| 34 | Physiology | 224 | 9.3K | 333 | 318 |
| 35 | Ethology | 202 | 9.2K | 69 | 99 |
| 36 | Microwaves | 204 | 8.6K | 47 | 21 |
| 37 | Environmental Policy | 150 | 8.6K | 172 | 175 |
| 38 | personality | 174 | 8.6K | 59 | 87 |
| 39 | Child Development | 116 | 8.6K | 191 | 120 |
| 40 | Child psychology | 94 | 8.3K | 182 | 120 |
| 41 | Sociology | 254 | 7.6K | 113 | 163 |
| 42 | Research | 276 | 7.6K | 773 | 894 |
| 43 | Neurophysiology | 172 | 7.6K | 266 | 331 |
| 44 | Quantum Gravity | 260 | 7.5K | 217 | 278 |
| 45 | Botany | 142 | 7.4K | 490 | 448 |
| 46 | Internet of Things | 139 | 7.0K | 40 | 22 |
| 47 | Electronics | 142 | 6.9K | 408 | 227 |
| 48 | internet | 139 | 6.9K | 45 | 28 |
| 49 | sanitation | 110 | 6.9K | 127 | 182 |
| 50 | Mathematics | 522 | 6.8K | 268 | 293 |
| 51 | Wildlife conservation | 75 | 6.5K | 79 | 43 |
| 52 | Geology | 245 | 6.4K | 227 | 272 |
| 53 | Environmental monitoring | 125 | 6.1K | 288 | 272 |
| 54 | Social Sciences | 212 | 6.0K | 142 | 129 |
| 55 | Mathematical Physics | 43 | 5.9K | 711 | 190 |
| 56 | Brain | 130 | 5.9K | 318 | 285 |
| 57 | Automation | 91 | 5.8K | 271 | 214 |
| 58 | Materials | 164 | 5.7K | 932 | 927 |
| 59 | Criminology | 119 | 5.7K | 46 | 23 |
| 60 | Statistics | 272 | 5.6K | 98 | 176 |
| 61 | Optics | 167 | 5.5K | 564 | 367 |
| 62 | correctional psychology | 75 | 5.4K | 2 | 1 |
| 63 | management | 139 | 5.4K | 297 | 377 |
| 64 | Genetics | 87 | 5.4K | 600 | 599 |
| 65 | Public Health | 154 | 5.2K | 533 | 540 |
| 66 | Psychopharmacology | 69 | 5.2K | 200 | 154 |
| 67 | Natural history | 97 | 5.0K | 489 | 1334 |
| 68 | Pharmacology | 132 | 4.9K | 803 | 718 |
| 69 | Geriatrics | 26 | 4.8K | 977 | 245 |
| 70 | Metallurgy | 30 | 4.8K | 725 | 217 |
| 71 | Geophysics | 130 | 4.8K | 539 | 521 |
| 72 | Animal ecology | 95 | 4.8K | 83 | 75 |
| 73 | Biodiversity conservation | 76 | 4.8K | 174 | 269 |
| 74 | Psychiatry | 152 | 4.8K | 447 | 617 |
| 75 | Radio | 68 | 4.7K | 253 | 170 |
| 76 | Mineralogy | 113 | 4.7K | 114 | 98 |
| 77 | behavioral medicine | 16 | 4.6K | 471 | 104 |
| 78 | computer networks | 140 | 4.5K | 136 | 131 |
| 79 | Cybernetics | 82 | 4.5K | 127 | 122 |
| 80 | Geochemistry | 111 | 4.5K | 254 | 263 |
| 81 | Biomedical Engineering | 112 | 4.5K | 670 | 563 |
| 82 | Economics | 258 | 4.5K | 281 | 392 |
| 83 | Software Engineering | 76 | 4.3K | 64 | 36 |
| 84 | Zoology | 165 | 4.3K | 141 | 146 |
| 85 | Environmental Chemistry | 94 | 4.3K | 128 | 245 |
| 86 | Petrology | 103 | 4.3K | 79 | 86 |
| 87 | environmental protection | 102 | 4.3K | 285 | 278 |
| 88 | Medical Laboratory Science | 26 | 4.3K | 641 | 206 |
| 89 | Seismology | 44 | 4.1K | 64 | 21 |
| 90 | Landscape Ecology | 38 | 4.0K | 26 | 10 |
| 91 | Cell Biology | 128 | 4.0K | 550 | 968 |
| 92 | Education | 120 | 3.7K | 368 | 285 |
| 93 | Geography | 103 | 3.7K | 198 | 189 |
| 94 | Analytical Chemistry | 109 | 3.7K | 698 | 656 |
| 94 | Intelligent Transportation Systems | 69 | 3.7K | 79 | 54 |
| 96 | crime | 68 | 3.7K | 40 | 21 |
| 97 | Cytology | 138 | 3.5K | 584 | 1047 |
| 98 | Environmental pollutants | 95 | 3.4K | 136 | 139 |
| 99 | Microbiology | 127 | 3.4K | 1010 | 1432 |
| 100 | pollutants | 90 | 3.3K | 112 | 119 |
| 101 | Social behavior | 59 | 3.3K | 130 | 123 |
| 102 | Growth | 21 | 3.2K | 386 | 244 |
| 103 | Marine Biology | 85 | 3.2K | 367 | 334 |
| 104 | Biotechnology | 93 | 3.2K | 1012 | 1244 |
| 105 | Climate change | 31 | 3.1K | 238 | 313 |
| 106 | Conservation Biology | 38 | 3.1K | 166 | 101 |
| 107 | Environmental Toxicology | 53 | 3.1K | 333 | 252 |
| 108 | Eutrophication | 30 | 3.1K | 240 | 322 |
| 109 | Artificial Intelligence | 109 | 3.0K | 394 | 501 |
| 110 | Periglacial processes | 45 | 3.0K | 5 | 7 |
| 110 | Permafrost | 45 | 3.0K | 5 | 7 |
| 110 | Frozen ground | 45 | 3.0K | 6 | 7 |
| 113 | Economic History | 202 | 2.9K | 142 | 242 |
| 114 | Birds | 102 | 2.8K | 86 | 59 |
| 115 | International Relations | 132 | 2.8K | 33 | 42 |
| 116 | Epidemiology | 56 | 2.8K | 743 | 535 |
| 117 | Fishery management | 99 | 2.6K | 30 | 31 |
| 118 | Geodynamics | 49 | 2.6K | 120 | 100 |
| 119 | Perception | 54 | 2.6K | 358 | 266 |
| 120 | Water pollution | 78 | 2.5K | 380 | 502 |
| 121 | Biogeography | 17 | 2.5K | 313 | 154 |
| 122 | sex crimes | 81 | 2.5K | 14 | 18 |
| 123 | Cognition | 83 | 2.5K | 219 | 267 |
| 124 | Hydrology | 80 | 2.5K | 293 | 332 |
| 125 | Medical Anthropology | 38 | 2.4K | 232 | 195 |
| 126 | Composite Materials | 44 | 2.4K | 659 | 521 |
| 127 | marketing | 64 | 2.4K | 249 | 322 |
| 128 | Systems Engineering | 63 | 2.4K | 243 | 174 |
| 129 | Environmental Law | 41 | 2.4K | 155 | 180 |
| 130 | Energy Policy | 35 | 2.4K | 666 | 465 |
| 131 | Neuropsychology | 77 | 2.4K | 303 | 345 |
| 132 | energy conservation | 40 | 2.4K | 372 | 366 |
| 133 | Mental Disorders | 77 | 2.3K | 410 | 610 |
| 134 | Neurochemistry | 58 | 2.3K | 485 | 501 |
| 135 | Aquatic ecology | 82 | 2.3K | 21 | 23 |
| 136 | Engineering | 69 | 2.2K | 681 | 447 |
| 137 | Endocrinology | 60 | 2.2K | 657 | 796 |
| 138 | Public Administration | 174 | 2.2K | 30 | 126 |
| 139 | Materials Science | 100 | 2.2K | 826 | 1093 |
| 140 | violence | 60 | 2.2K | 91 | 86 |
| 141 | Earth Sciences | 74 | 2.2K | 519 | 547 |
| 141 | Entomology | 85 | 2.2K | 260 | 232 |
| 143 | Business | 59 | 2.2K | 290 | 421 |
| 144 | Developing countries | 133 | 2.2K | 101 | 252 |
| 145 | Signal Processing | 95 | 2.2K | 361 | 498 |
| 146 | Mental illness | 49 | 2.1K | 373 | 457 |
| 147 | Developmental Psychology | 44 | 2.1K | 164 | 152 |
| 148 | ecosystem | 39 | 2.1K | 224 | 216 |
| 149 | Environmental Management | 74 | 2.1K | 326 | 541 |
| 150 | Comparative Physiology | 61 | 2.1K | 55 | 62 |
| 151 | Spectrum analysis | 105 | 2.0K | 710 | 1029 |
| 152 | Political Science | 113 | 2.0K | 151 | 195 |
| 153 | Operations Research | 67 | 2.0K | 296 | 306 |
| 154 | Anthropology | 120 | 2.0K | 117 | 145 |
| 155 | Bioengineering | 51 | 2.0K | 1000 | 1206 |
| 156 | Fracture mechanics | 106 | 1.9K | 97 | 154 |
| 157 | Photonics | 40 | 1.8K | 501 | 455 |
| 158 | Statistical physics | 32 | 1.8K | 1169 | 730 |
| 159 | Sedimentary rocks | 14 | 1.8K | 182 | 31 |
| 160 | Neurobiology | 46 | 1.8K | 391 | 514 |
| 161 | economic policy | 120 | 1.8K | 123 | 203 |
| 162 | Genomics | 56 | 1.8K | 613 | 662 |
| 163 | Socialization | 36 | 1.8K | 49 | 47 |
| 164 | Entrepreneurship | 9 | 1.8K | 441 | 211 |
| 165 | Information Theory | 83 | 1.8K | 137 | 222 |
| 166 | Metals | 25 | 1.8K | 731 | 446 |
| 167 | Chemical Engineering | 46 | 1.8K | 1389 | 1334 |
| 168 | Quality of life | 19 | 1.8K | 433 | 198 |
| 169 | Memory | 35 | 1.7K | 461 | 357 |
| 170 | probabilities | 118 | 1.7K | 61 | 67 |
| 171 | Meteorites | 33 | 1.7K | 264 | 295 |
| 172 | Attention | 28 | 1.7K | 503 | 301 |
| 173 | energy resources | 21 | 1.7K | 394 | 340 |
| 174 | Plants | 18 | 1.7K | 824 | 519 |
| 175 | lasers | 24 | 1.6K | 755 | 277 |
| 176 | Mycology | 45 | 1.6K | 273 | 279 |
| 177 | Economic Development | 63 | 1.6K | 160 | 293 |
| 178 | Computational Biology | 40 | 1.6K | 553 | 581 |
| 179 | Public Policy | 46 | 1.6K | 284 | 255 |
| 180 | environmental exposure | 25 | 1.6K | 482 | 246 |
| 181 | Molecular ecology | 23 | 1.6K | 322 | 304 |
| 182 | innovation | 16 | 1.6K | 127 | 145 |
| 183 | Visual Perception | 31 | 1.6K | 458 | 313 |
| 184 | Culture | 54 | 1.6K | 116 | 50 |
| 185 | Cognitive Science | 46 | 1.6K | 209 | 303 |
| 186 | commerce | 36 | 1.5K | 214 | 238 |
| 187 | Electrochemistry | 95 | 1.5K | 756 | 923 |
| 188 | Econometrics | 65 | 1.5K | 153 | 246 |
| 189 | Mechanical Engineering | 98 | 1.5K | 233 | 272 |
| 190 | Marine Pollution | 34 | 1.5K | 208 | 193 |
| 191 | Plant cells | 16 | 1.5K | 487 | 519 |
| 192 | Nanotechnology | 36 | 1.4K | 1681 | 1594 |
| 193 | Audiology | 32 | 1.4K | 184 | 138 |
| 194 | Analytical Biochemistry | 28 | 1.4K | 381 | 258 |
| 195 | Europe | 78 | 1.4K | 422 | 497 |
| 196 | Biochemical Engineering | 36 | 1.4K | 990 | 1350 |
| 197 | Renewable Energy Sources | 34 | 1.4K | 620 | 912 |
| 198 | Agriculture | 35 | 1.4K | 423 | 367 |
| 199 | international trade | 31 | 1.4K | 70 | 80 |
| 200 | Plant physiology | 26 | 1.4K | 701 | 632 |
| 201 | Human Geography | 58 | 1.4K | 122 | 159 |
| 202 | California | 39 | 1.4K | 56 | 42 |
| 203 | Happiness | 9 | 1.4K | 115 | 15 |
| 204 | Paleoclimatology | 38 | 1.3K | 221 | 238 |
| 204 | immigration | 10 | 1.3K | 43 | 18 |
| 204 | migration policy | 10 | 1.3K | 52 | 18 |
| 204 | Asylum seeker | 10 | 1.3K | 38 | 18 |
| 208 | Fisheries Law | 51 | 1.3K | 3 | 11 |
| 208 | fisheries management | 51 | 1.3K | 3 | 11 |
| 210 | Transportation | 61 | 1.3K | 259 | 340 |
| 211 | Juvenile delinquency | 8 | 1.3K | 161 | 22 |
| 212 | Clinical Psychology | 58 | 1.3K | 189 | 348 |
| 213 | adolescence | 37 | 1.3K | 157 | 182 |
| 214 | Agricultural Ecology | 24 | 1.3K | 229 | 247 |
| 215 | concrete | 12 | 1.3K | 413 | 260 |
| 216 | Eating Disorders | 42 | 1.3K | 131 | 144 |
| 217 | Soil Mechanics | 47 | 1.2K | 201 | 247 |
| 218 | Sustainable Development | 22 | 1.2K | 505 | 385 |
| 219 | Microbial Ecology | 38 | 1.2K | 543 | 784 |
| 220 | Social policy | 81 | 1.2K | 31 | 70 |
| 221 | Ornithology | 48 | 1.2K | 143 | 110 |
| 222 | mammals | 17 | 1.2K | 328 | 107 |
| 223 | Molecular Genetics | 31 | 1.2K | 474 | 544 |
| 224 | Genetic engineering | 44 | 1.2K | 392 | 591 |
| 225 | Mobile Computing | 62 | 1.2K | 93 | 164 |
| 226 | Psychoneuroimmunology | 20 | 1.2K | 135 | 145 |
| 226 | Neuroimmunology | 20 | 1.2K | 162 | 164 |
| 228 | Electronic Packaging | 25 | 1.2K | 42 | 17 |
| 229 | Atomic spectroscopy | 60 | 1.2K | 90 | 135 |
| 230 | Obesity | 35 | 1.2K | 486 | 567 |
| 231 | Earthquake Engineering | 49 | 1.2K | 264 | 321 |
| 232 | Production Management | 9 | 1.2K | 608 | 355 |
| 233 | Environmental Economics | 10 | 1.2K | 109 | 36 |
| 234 | Freeze-Drying | 47 | 1.2K | 13 | 20 |
| 234 | Hypothermia | 47 | 1.2K | 13 | 20 |
| 234 | Freeze Drying | 47 | 1.2K | 13 | 20 |
| 237 | Surface Chemistry | 65 | 1.2K | 868 | 1210 |
| 238 | Polymers | 66 | 1.2K | 1127 | 1378 |
| 238 | Human-Computer Interaction | 36 | 1.2K | 211 | 212 |
| 240 | plant molecular biology | 14 | 1.2K | 699 | 596 |
| 241 | Adolescent | 42 | 1.1K | 414 | 404 |
| 242 | Microwave devices | 59 | 1.1K | 40 | 51 |
| 243 | Oceanography | 30 | 1.1K | 529 | 504 |
| 243 | Computer Graphics | 78 | 1.1K | 190 | 361 |
| 243 | Insects | 38 | 1.1K | 248 | 240 |
| 246 | Aging | 47 | 1.1K | 596 | 703 |
| 247 | Lightweight concrete | 8 | 1.1K | 210 | 110 |
| 248 | alcoholism | 35 | 1.1K | 360 | 379 |
| 249 | Control Theory | 61 | 1.1K | 263 | 328 |
| 250 | Sound | 25 | 1.1K | 274 | 158 |
| 251 | Venture Capital | 3 | 1.1K | 284 | 144 |
| 252 | free radicals | 10 | 1.1K | 770 | 480 |
| 253 | Feeding and Eating Disorders | 34 | 1.1K | 149 | 162 |
| 253 | Business Ethics | 16 | 1.1K | 304 | 292 |
| 255 | Algebra | 95 | 1.1K | 98 | 97 |
| 256 | government | 43 | 1.1K | 86 | 99 |
| 257 | Structural Engineering | 34 | 1.1K | 401 | 345 |
| 258 | Biodiversity | 39 | 1.1K | 427 | 587 |
| 259 | Decision making | 32 | 1.1K | 259 | 284 |
| 260 | psychotherapy | 28 | 1.0K | 353 | 369 |
| 261 | Diplomatic relations | 235 | 1.0K | 4 | 12 |
| 262 | drug addiction | 30 | 1.0K | 297 | 316 |
| 263 | Engineering Geology | 34 | 1.0K | 300 | 305 |
| 264 | sustainability | 23 | 1.0K | 154 | 224 |
| 265 | Roads | 46 | 1.0K | 146 | 106 |
| 266 | Telecommunication Systems | 58 | 1.0K | 137 | 158 |
| 267 | Molecular cloning | 39 | 1.0K | 204 | 292 |
| 267 | Genetic recombination | 39 | 1.0K | 195 | 289 |
| 267 | Recombinant DNA | 39 | 1.0K | 233 | 311 |
| 270 | Mechatronics | 30 | 1.0K | 153 | 135 |
| 271 | Popular culture | 17 | 1.0K | 105 | 7 |
| 271 | Information Science | 61 | 1.0K | 297 | 611 |
| 273 | International Finance | 49 | 990 | 228 | 337 |
| 274 | Data Mining | 25 | 986 | 335 | 401 |
| 275 | Reading | 8 | 979 | 321 | 101 |
| 275 | polymerization | 55 | 979 | 1051 | 1236 |
| 277 | Technology | 60 | 971 | 790 | 1046 |
| 278 | Ocean Engineering | 37 | 968 | 436 | 439 |
| 279 | mutation | 14 | 963 | 187 | 131 |
| 280 | Psychometrics | 23 | 959 | 103 | 119 |
| 281 | Microscopy | 23 | 957 | 309 | 206 |
| 282 | Emotions | 22 | 933 | 143 | 163 |
| 283 | Ecosystem management | 15 | 932 | 215 | 140 |
| 284 | Robotics | 43 | 931 | 317 | 398 |
| 285 | Fungi | 18 | 929 | 355 | 308 |
| 285 | rehabilitation | 19 | 929 | 801 | 588 |
| 287 | Experimental Psychology | 26 | 928 | 134 | 152 |
| 288 | Health | 47 | 905 | 379 | 517 |
| 289 | genome | 8 | 904 | 963 | 701 |
| 290 | Human Rights | 37 | 899 | 47 | 34 |
| 291 | Plant diseases | 28 | 897 | 602 | 499 |
| 291 | Speech | 24 | 897 | 244 | 233 |
| 293 | Bioinformatics | 31 | 895 | 541 | 692 |
| 293 | sexual behavior | 21 | 895 | 143 | 130 |
| 295 | Biosensors | 11 | 892 | 648 | 494 |
| 296 | Population Genetics | 19 | 891 | 422 | 426 |
| 297 | System analysis | 52 | 890 | 353 | 527 |
| 298 | Forensic Psychiatry | 50 | 876 | 40 | 59 |
| 299 | Substance Abuse | 36 | 874 | 334 | 353 |
| 300 | microwave communication systems | 41 | 869 | 37 | 59 |
| 301 | Meteorology | 17 | 865 | 940 | 876 |
| 302 | Biocompatible Materials | 21 | 864 | 1611 | 1690 |
| 303 | Radio waves | 43 | 863 | 198 | 296 |
| 304 | Africa | 64 | 862 | 113 | 129 |
| 305 | Information Systems | 12 | 857 | 574 | 254 |
| 306 | Crime prevention | 44 | 854 | 10 | 8 |
| 307 | Remote Sensing | 73 | 851 | 96 | 167 |
| 308 | Paleoecology | 28 | 848 | 279 | 304 |
| 309 | Astronomy | 38 | 845 | 985 | 1192 |
| 310 | Planets | 29 | 842 | 543 | 677 |
| 311 | Personality Assessment | 20 | 841 | 143 | 155 |
| 312 | Water | 32 | 840 | 721 | 1048 |
| 313 | Fiber Optics | 27 | 839 | 279 | 228 |
| 314 | Paleogeography | 27 | 836 | 237 | 281 |
| 315 | Earthquakes | 16 | 832 | 132 | 55 |
| 316 | Organic Chemistry | 41 | 825 | 954 | 1112 |
| 317 | Linguistics | 40 | 824 | 225 | 249 |
| 318 | Civil Engineering | 39 | 822 | 240 | 122 |
| 319 | role | 18 | 820 | 83 | 86 |
| 320 | Philosophy | 80 | 814 | 214 | 204 |
| 321 | preventive medicine | 19 | 812 | 376 | 381 |
| 322 | Ultrasonics | 18 | 808 | 381 | 307 |
| 323 | cryosphere | 17 | 803 | 128 | 123 |
| 324 | health planning | 26 | 793 | 577 | 401 |
| 325 | Multivariate Analysis | 36 | 788 | 43 | 89 |
| 325 | libraries | 8 | 788 | 270 | 39 |
| 327 | Australia | 51 | 783 | 252 | 335 |
| 328 | Cross-Cultural Studies | 15 | 774 | 176 | 74 |
| 329 | Developmental Neurobiology | 9 | 767 | 208 | 62 |
| 329 | Small Business | 6 | 767 | 474 | 317 |
| 331 | Ecological Engineering | 10 | 766 | 225 | 109 |
| 332 | Speech Perception | 17 | 764 | 95 | 106 |
| 332 | auditory perception | 17 | 764 | 109 | 114 |
| 334 | Nonlinear Dynamics | 5 | 759 | 1527 | 642 |
| 335 | Law | 53 | 750 | 147 | 125 |
| 336 | Neural circuitry | 27 | 743 | 517 | 602 |
| 337 | Genetic Toxicology | 6 | 738 | 278 | 106 |
| 337 | Nanostructures | 1 | 738 | 2990 | 732 |
| 339 | Child | 36 | 733 | 587 | 674 |
| 340 | Plant Ecology | 19 | 731 | 645 | 706 |
| 341 | Aggression | 24 | 729 | 71 | 116 |
| 342 | Food | 33 | 727 | 821 | 1112 |
| 343 | Geotechnical Engineering | 25 | 722 | 105 | 104 |
| 344 | soil microbiology | 16 | 715 | 590 | 686 |
| 345 | Family | 20 | 712 | 288 | 222 |
| 346 | Mental Health | 42 | 708 | 286 | 386 |
| 347 | Structural dynamics | 24 | 704 | 283 | 354 |
| 348 | peace | 30 | 703 | 81 | 125 |
| 349 | Paleontology | 45 | 702 | 264 | 329 |
| 350 | Ventilation | 43 | 700 | 38 | 105 |
| 351 | Solar Energy | 24 | 697 | 451 | 607 |
| 352 | Tourism | 13 | 696 | 658 | 545 |
| 353 | Early Childhood Education | 18 | 694 | 155 | 76 |
| 354 | Combinatorial analysis | 46 | 681 | 129 | 116 |
| 355 | Algorithms | 38 | 679 | 35 | 78 |
| 356 | Vocational guidance | 22 | 678 | 236 | 310 |
| 357 | Atmospheric Physics | 11 | 672 | 844 | 636 |
| 357 | biological invasions | 13 | 672 | 185 | 115 |
| 359 | Electrical Engineering | 82 | 666 | 575 | 789 |
| 360 | Asia | 32 | 665 | 606 | 496 |
| 360 | Neurons | 3 | 665 | 640 | 648 |
| 362 | Electrochemical Analysis | 47 | 661 | 207 | 415 |
| 363 | Virology | 26 | 659 | 1100 | 1851 |
| 363 | Aquaculture | 23 | 659 | 446 | 421 |
| 365 | Adolescent Psychology | 17 | 656 | 270 | 264 |
| 366 | mathematical analysis | 62 | 655 | 423 | 504 |
| 367 | Ergonomics | 48 | 645 | 161 | 237 |
| 368 | epilepsy | 10 | 643 | 482 | 232 |
| 369 | Chemical Ecology | 9 | 642 | 247 | 144 |
| 369 | Smoking | 14 | 642 | 307 | 266 |
| 371 | Proteomics | 28 | 633 | 213 | 422 |
| 372 | Pharmacognosy | 18 | 632 | 643 | 661 |
| 373 | Sonochemistry | 6 | 629 | 362 | 186 |
| 374 | Computer Engineering | 26 | 628 | 125 | 87 |
| 374 | Forensic Psychology | 25 | 628 | 46 | 45 |
| 374 | natural disasters | 8 | 628 | 719 | 331 |
| 377 | Agricultural Chemistry | 19 | 622 | 863 | 847 |
| 378 | Parallel Processing | 16 | 621 | 155 | 178 |
| 378 | pheromones | 7 | 621 | 268 | 142 |
| 378 | Development | 26 | 621 | 149 | 273 |
| 381 | Educational Psychology | 32 | 618 | 344 | 472 |
| 382 | Cognitive Psychology | 12 | 616 | 114 | 37 |
| 382 | Export Marketing | 8 | 616 | 54 | 48 |
| 384 | Astrophysics | 26 | 615 | 1354 | 1455 |
| 385 | administrative agencies | 93 | 613 | 2 | 39 |
| 386 | Health Policy | 22 | 611 | 710 | 731 |
| 386 | families | 15 | 611 | 299 | 186 |
| 388 | Optical materials | 19 | 610 | 1158 | 1216 |
| 389 | Environmental Geology | 13 | 608 | 695 | 463 |
| 390 | global environmental change | 15 | 607 | 264 | 350 |
| 391 | Metallography | 7 | 605 | 528 | 193 |
| 392 | food contamination | 20 | 604 | 204 | 156 |
| 393 | Medical Ethics | 28 | 603 | 251 | 183 |
| 394 | behavior therapy | 7 | 599 | 487 | 299 |
| 395 | Regional Planning | 28 | 595 | 385 | 467 |
| 396 | nucleic acids | 9 | 594 | 1074 | 1007 |
| 397 | Energy Conversion | 3 | 593 | 1287 | 755 |
| 398 | body temperature | 24 | 592 | 29 | 36 |
| 399 | Bioelectronics | 6 | 588 | 809 | 600 |
| 400 | human development | 30 | 587 | 151 | 277 |
| 401 | Political Participation | 28 | 586 | 30 | 64 |
| 402 | Geometry | 39 | 584 | 161 | 118 |
| 402 | Gerontology | 37 | 584 | 439 | 538 |
| 404 | Psycholinguistics | 30 | 582 | 213 | 347 |
| 405 | Quantum electronics | 25 | 580 | 520 | 460 |
| 406 | Engineering Mathematics | 27 | 579 | 440 | 416 |
| 407 | Computer-Aided Design | 16 | 577 | 412 | 325 |
| 407 | Heat Exchangers | 19 | 577 | 381 | 460 |
| 407 | Molecular evolution | 20 | 577 | 471 | 630 |
| 410 | Semantics | 13 | 574 | 32 | 27 |
| 411 | feeding behavior | 17 | 573 | 215 | 238 |
| 412 | Colloids | 26 | 572 | 1463 | 1783 |
| 413 | Consciousness | 49 | 571 | 13 | 101 |
| 414 | cross-cultural comparison | 5 | 570 | 397 | 65 |
| 415 | Politics | 17 | 566 | 159 | 121 |
| 416 | polar regions | 30 | 564 | 101 | 143 |
| 417 | Environmental Psychology | 5 | 563 | 213 | 138 |
| 418 | Geomorphology | 15 | 561 | 591 | 580 |
| 419 | China | 64 | 560 | 458 | 854 |
| 420 | Developmental Biology | 30 | 556 | 569 | 1078 |
| 421 | Economic Assistance | 26 | 552 | 123 | 273 |
| 422 | data collection | 13 | 547 | 368 | 432 |
| 423 | Graph Theory | 42 | 542 | 82 | 100 |
| 423 | Youth | 15 | 542 | 233 | 255 |
| 425 | Geopolitics | 20 | 538 | 21 | 15 |
| 426 | Probability | 18 | 535 | 150 | 165 |
| 427 | Breeding | 8 | 533 | 724 | 457 |
| 428 | finance | 45 | 532 | 477 | 776 |
| 429 | Macroeconomics | 13 | 530 | 81 | 57 |
| 429 | Solid State Physics | 24 | 530 | 1684 | 1606 |
| 431 | Sleep | 8 | 529 | 991 | 589 |
| 432 | Atmospheric Chemistry | 5 | 527 | 704 | 539 |
| 433 | Sleep Disorders | 9 | 526 | 913 | 580 |
| 433 | motivation | 9 | 526 | 143 | 108 |
| 433 | Social work | 51 | 526 | 228 | 341 |
| 436 | research and development | 14 | 525 | 60 | 103 |
| 437 | Emotion | 8 | 520 | 80 | 69 |
| 438 | Technological Innovations | 11 | 517 | 403 | 283 |
| 439 | Insect biochemistry | 20 | 516 | 108 | 156 |
| 440 | Semiconductors | 27 | 515 | 624 | 575 |
| 441 | atmospheric models | 12 | 514 | 316 | 335 |
| 442 | child abuse | 16 | 512 | 279 | 323 |
| 443 | Feminism | 24 | 511 | 89 | 97 |
| 444 | Anatomy | 25 | 508 | 610 | 819 |
| 444 | Cryptography | 49 | 508 | 28 | 62 |
| 444 | Nervous system | 21 | 508 | 933 | 1296 |
| 447 | enzymes | 13 | 506 | 704 | 635 |
| 447 | language | 23 | 506 | 193 | 308 |
| 449 | Aerosols | 16 | 505 | 194 | 189 |
| 450 | Latin America | 37 | 503 | 185 | 111 |
| 451 | Molecular structure | 18 | 502 | 962 | 924 |
| 451 | plant communities | 11 | 502 | 542 | 557 |
| 453 | software | 30 | 500 | 133 | 359 |
| 454 | Social problems | 31 | 495 | 82 | 213 |
| 455 | Oxidative stress | 13 | 494 | 285 | 460 |
| 455 | Group decision making | 29 | 494 | 41 | 113 |
| 455 | Ore deposits | 21 | 494 | 137 | 173 |
| 455 | rivers | 15 | 494 | 53 | 61 |
| 459 | Image Processing | 32 | 492 | 637 | 1015 |
| 460 | Discrete geometry | 28 | 491 | 29 | 33 |
| 461 | Radiography | 8 | 488 | 482 | 466 |
| 462 | Photogrammetry | 58 | 486 | 60 | 49 |
| 463 | Sovereignty | 13 | 483 | 11 | 12 |
| 464 | Condensed Matter | 14 | 481 | 1674 | 1469 |
| 465 | child mental health | 13 | 479 | 164 | 111 |
| 466 | Regional Development | 35 | 476 | 10 | 52 |
| 467 | Industrial Microbiology | 9 | 474 | 1133 | 960 |
| 467 | Prisons | 8 | 474 | 135 | 19 |
| 469 | Nutrition | 25 | 468 | 1534 | 2114 |
| 470 | Database Management | 18 | 466 | 265 | 301 |
| 470 | Bacteriology | 23 | 466 | 629 | 1093 |
| 472 | Family Therapy | 13 | 465 | 305 | 202 |
| 473 | Industrial Policy | 14 | 462 | 132 | 148 |
| 474 | Optical Communications | 22 | 461 | 195 | 184 |
| 475 | Ethnic relations | 20 | 459 | 106 | 83 |
| 476 | Measurement | 21 | 458 | 358 | 362 |
| 477 | foreign exchange | 7 | 454 | 181 | 111 |
| 478 | Distributed Databases | 18 | 452 | 15 | 25 |
| 479 | Rock Mechanics | 21 | 449 | 285 | 401 |
| 480 | data protection | 18 | 445 | 68 | 77 |
| 481 | Electromagnetic compatibility | 18 | 444 | 101 | 91 |
| 481 | Criminal behavior | 14 | 444 | 35 | 24 |
| 483 | Pharmaceutical Chemistry | 19 | 442 | 1736 | 2047 |
| 483 | world | 19 | 442 | 192 | 397 |
| 485 | Number Theory | 46 | 441 | 63 | 53 |
| 485 | Bioethics | 13 | 441 | 362 | 201 |
| 487 | race relations | 19 | 439 | 141 | 149 |
| 488 | Social Ethics | 19 | 437 | 12 | 3 |
| 488 | health services | 22 | 437 | 281 | 332 |
| 490 | Combustion | 19 | 436 | 459 | 513 |
| 491 | civil rights | 17 | 434 | 66 | 42 |
| 492 | Biogeochemistry | 17 | 432 | 425 | 639 |
| 492 | Social Change | 15 | 432 | 308 | 523 |
| 492 | Detectors | 27 | 432 | 356 | 480 |
| 495 | Plant tissue culture | 10 | 431 | 316 | 235 |
| 496 | Obstetrics | 12 | 430 | 1298 | 1055 |
| 496 | Building | 15 | 430 | 167 | 121 |
| 498 | Corporate governance | 18 | 429 | 58 | 134 |
| 499 | School Psychology | 11 | 423 | 182 | 173 |
| 500 | Plant cell culture | 8 | 422 | 339 | 234 |
| 501 | Forest Ecology | 14 | 418 | 433 | 504 |
| 501 | Rock deformation | 14 | 418 | 33 | 44 |
| 501 | big data | 9 | 418 | 198 | 128 |
| 504 | medical education | 20 | 415 | 606 | 624 |
| 505 | Virtual reality | 2 | 412 | 539 | 103 |
| 506 | extraterrestrial environment | 16 | 410 | 184 | 126 |
| 506 | astronomical phenomena | 16 | 410 | 168 | 117 |
| 508 | Chromosome mapping | 13 | 404 | 849 | 999 |
| 508 | gene mapping | 13 | 404 | 952 | 1207 |
| 510 | Soil biology | 3 | 403 | 917 | 587 |
| 510 | Radiobiology | 21 | 403 | 547 | 753 |
| 510 | natural products | 15 | 403 | 715 | 632 |
| 513 | health services accessibility | 12 | 402 | 394 | 324 |
| 513 | Chromosomes | 12 | 402 | 444 | 484 |
| 515 | Critical Care | 9 | 400 | 888 | 1042 |
| 515 | Critical Care Medicine | 9 | 400 | 877 | 1043 |
| 517 | Globalization | 23 | 396 | 67 | 143 |
| 518 | Indoor air quality | 32 | 394 | 2 | 3 |
| 518 | Air Conditioning | 32 | 394 | 11 | 26 |
| 518 | Access to Information | 4 | 394 | 95 | 64 |
| 518 | heating | 32 | 394 | 10 | 26 |
| 518 | Information dissemination | 4 | 394 | 95 | 64 |
| 523 | Acoustics | 6 | 393 | 262 | 104 |
| 523 | Speech acoustics | 6 | 393 | 116 | 90 |
| 523 | conflict management | 13 | 393 | 69 | 86 |
| 526 | Immunology | 27 | 392 | 1225 | 2119 |
| 526 | Cognitive neuroscience | 12 | 392 | 465 | 584 |
| 528 | Physical Chemistry | 17 | 390 | 932 | 1118 |
| 529 | Written communication | 9 | 386 | 23 | 23 |
| 530 | Applied Linguistics | 12 | 385 | 185 | 136 |
| 531 | Cosmochemistry | 16 | 384 | 317 | 443 |
| 532 | Occupational Health | 14 | 382 | 358 | 321 |
| 532 | city planning | 24 | 382 | 428 | 592 |
| 534 | Political Geography | 12 | 380 | 98 | 87 |
| 534 | Citizenship | 13 | 380 | 10 | 17 |
| 536 | Numerical Analysis | 14 | 378 | 1104 | 750 |
| 537 | environmental indicators | 12 | 377 | 472 | 575 |
| 537 | vibration | 13 | 377 | 504 | 456 |
| 537 | Forest Management | 12 | 377 | 466 | 498 |
| 540 | Jurisprudence | 17 | 376 | 301 | 281 |
| 541 | Metabolism | 16 | 375 | 1235 | 1785 |
| 542 | Wildlife management | 20 | 373 | 157 | 170 |
| 543 | Power Electronics | 12 | 371 | 575 | 654 |
| 543 | Coding Theory | 34 | 371 | 21 | 38 |
| 545 | Fluid Mechanics | 21 | 370 | 540 | 663 |
| 545 | Nanostructured Materials | 20 | 370 | 1367 | 1718 |
| 545 | Cognitive Therapy | 4 | 370 | 509 | 241 |
| 548 | Parasitology | 23 | 368 | 780 | 1018 |
| 549 | Biotelemetry | 7 | 367 | 21 | 12 |
| 550 | school psychologists | 7 | 366 | 104 | 108 |
| 551 | Nuclear Energy | 6 | 365 | 811 | 348 |
| 551 | mass transfer | 9 | 365 | 1054 | 861 |
| 553 | Health Education | 12 | 362 | 874 | 725 |
| 553 | Communist countries | 12 | 362 | 29 | 4 |
| 553 | Business communication | 6 | 362 | 87 | 31 |
| 556 | Great Lakes | 20 | 361 | 57 | 79 |
| 557 | Industrial Organization | 13 | 360 | 62 | 104 |
| 557 | Diagnostic Imaging | 11 | 360 | 1044 | 969 |
| 559 | Political Sociology | 17 | 359 | 116 | 160 |
| 560 | Ethnic Conflict | 9 | 358 | 102 | 79 |
| 560 | forced migration | 9 | 358 | 102 | 79 |
| 562 | Food Microbiology | 20 | 357 | 355 | 772 |
| 563 | Organizational Behavior | 5 | 356 | 403 | 344 |
| 564 | industrial relations | 36 | 355 | 135 | 247 |
| 565 | Social interaction | 21 | 354 | 49 | 118 |
| 565 | aerosol | 8 | 354 | 226 | 146 |
| 567 | Catalysis | 18 | 352 | 1772 | 2210 |
| 568 | Building Materials | 17 | 351 | 722 | 1065 |
| 568 | Radiochemistry | 15 | 351 | 390 | 276 |
| 570 | Nuclear Chemistry | 15 | 350 | 453 | 333 |
| 571 | Simulation Methods | 20 | 349 | 166 | 225 |
| 572 | Bioorganic chemistry | 24 | 348 | 1090 | 1643 |
| 573 | Second Language Acquisition | 5 | 347 | 111 | 82 |
| 574 | Financial management | 16 | 345 | 116 | 260 |
| 574 | Public Choice | 21 | 345 | 47 | 115 |
| 576 | Qualitative Research | 26 | 344 | 73 | 160 |
| 577 | Nursing | 9 | 343 | 1069 | 568 |
| 578 | taxation | 8 | 342 | 63 | 45 |
| 578 | drug abuse | 5 | 342 | 508 | 235 |
| 580 | police psychology | 44 | 341 | 1 | 2 |
| 581 | Nuclear Engineering | 42 | 339 | 408 | 553 |
| 582 | Oxidation-reduction | 4 | 338 | 741 | 650 |
| 583 | Medicinal plants | 7 | 337 | 868 | 768 |
| 583 | international cooperation | 20 | 337 | 121 | 230 |
| 585 | Money | 12 | 330 | 50 | 103 |
| 586 | Middle Ages | 21 | 329 | 18 | 4 |
| 586 | Cancer | 8 | 329 | 2337 | 2344 |
| 588 | Medical Technology | 9 | 328 | 933 | 783 |
| 588 | Health Information Management | 5 | 328 | 157 | 277 |
| 588 | Soil fertility | 1 | 328 | 581 | 182 |
| 588 | Soil ecology | 1 | 328 | 1295 | 405 |
| 592 | Ancient civilization | 17 | 327 | 2 | 1 |
| 593 | Adaptive control systems | 20 | 326 | 114 | 133 |
| 594 | Stochastic Processes | 30 | 324 | 108 | 226 |
| 594 | Sedimentology | 11 | 324 | 222 | 277 |
| 596 | harm reduction | 3 | 322 | 214 | 53 |
| 597 | disarmament | 9 | 319 | 61 | 39 |
| 597 | Statistical models | 3 | 319 | 106 | 23 |
| 599 | local government | 6 | 318 | 210 | 124 |
| 600 | Computer Science | 27 | 315 | 463 | 652 |
| 600 | Risk Management | 15 | 315 | 207 | 273 |
| 602 | Magnetic Resonance Spectroscopy | 25 | 314 | 355 | 509 |
| 603 | Risk | 14 | 313 | 171 | 281 |
| 603 | actuators | 11 | 313 | 1250 | 1362 |
| 603 | transducers | 11 | 313 | 1250 | 1362 |
| 606 | Community Psychology | 14 | 312 | 191 | 308 |
| 606 | Speech Disorders | 16 | 312 | 394 | 490 |
| 606 | Learning | 20 | 312 | 424 | 646 |
| 609 | family violence | 4 | 311 | 349 | 184 |
| 610 | Parasitic Diseases | 16 | 309 | 815 | 1078 |
| 610 | Nonprofit organizations | 17 | 309 | 48 | 100 |
| 612 | Morphology | 4 | 308 | 690 | 268 |
| 613 | Climatology | 9 | 307 | 1011 | 1025 |
| 614 | indoor air pollution | 11 | 306 | 121 | 171 |
| 614 | Sick building syndrome | 11 | 306 | 121 | 171 |
| 616 | Student Health Services | 1 | 304 | 478 | 99 |
| 617 | Child welfare | 18 | 303 | 344 | 418 |
| 617 | machinery | 14 | 303 | 232 | 236 |
| 619 | Clinical Chemistry | 7 | 302 | 2135 | 1849 |
| 619 | freshwater biology | 15 | 302 | 292 | 408 |
| 621 | International security | 9 | 301 | 102 | 126 |
| 621 | corrections | 7 | 301 | 77 | 35 |
| 623 | Positive Psychology | 4 | 297 | 119 | 106 |
| 624 | Social Issues | 13 | 296 | 72 | 114 |
| 625 | Cerebral cortex | 16 | 295 | 357 | 613 |
| 626 | Trademarks | 4 | 294 | 42 | 7 |
| 627 | Pesticides | 25 | 291 | 102 | 200 |
| 628 | punishment | 6 | 290 | 32 | 21 |
| 629 | Occupational Therapy | 5 | 289 | 793 | 242 |
| 629 | air quality management | 11 | 289 | 165 | 226 |
| 631 | industrial waste | 14 | 288 | 247 | 625 |
| 632 | Radiology | 16 | 287 | 630 | 631 |
| 632 | Cognitive Radio Networks | 12 | 287 | 50 | 71 |
| 632 | Environmentalism | 5 | 287 | 76 | 68 |
| 635 | intergroup relations | 10 | 286 | 55 | 83 |
| 636 | Japan | 7 | 285 | 1350 | 680 |
| 637 | Manufacturing Processes | 14 | 282 | 1115 | 1251 |
| 638 | Risk assessment | 7 | 281 | 313 | 140 |
| 639 | Metallic Glasses | 5 | 280 | 349 | 225 |
| 640 | Groundwater | 15 | 277 | 178 | 267 |
| 640 | Hazardous waste | 12 | 277 | 349 | 695 |
| 640 | Imagination | 31 | 277 | 3 | 6 |
| 643 | optical instruments | 7 | 276 | 265 | 223 |
| 644 | Neurolinguistics | 11 | 274 | 173 | 281 |
| 645 | Electrophoresis | 10 | 273 | 918 | 912 |
| 646 | Radiation | 33 | 272 | 517 | 1026 |
| 646 | social justice | 21 | 272 | 26 | 34 |
| 646 | radioactive waste | 11 | 272 | 302 | 655 |
| 649 | Membranes | 12 | 271 | 915 | 1282 |
| 650 | Appetite | 9 | 270 | 300 | 371 |
| 651 | Diet | 11 | 269 | 1059 | 1546 |
| 652 | Global Health | 8 | 268 | 635 | 381 |
| 652 | Sports Medicine | 12 | 268 | 1218 | 1205 |
| 652 | Microelectronics | 13 | 268 | 938 | 1180 |
| 652 | children | 15 | 268 | 141 | 246 |
| 656 | organization | 16 | 267 | 262 | 528 |
| 657 | Psychosomatic Medicine | 8 | 265 | 443 | 503 |
| 658 | Naval Architecture | 5 | 264 | 262 | 104 |
| 659 | technology transfer | 5 | 262 | 127 | 108 |
| 660 | Matroids | 14 | 261 | 71 | 82 |
| 661 | Labor Economics | 7 | 260 | 273 | 246 |
| 661 | Mass Spectrometry | 14 | 260 | 527 | 670 |
| 661 | Hippocampus | 5 | 260 | 216 | 221 |
| 661 | Elections | 19 | 260 | 83 | 133 |
| 665 | Molecules | 8 | 259 | 951 | 705 |
| 665 | Parasites | 13 | 259 | 722 | 824 |
| 667 | Orthopedics | 5 | 257 | 1352 | 910 |
| 667 | Industrial Safety | 4 | 257 | 1067 | 554 |
| 669 | Wireless Communication | 19 | 256 | 49 | 82 |
| 670 | Biomechanics | 13 | 255 | 568 | 795 |
| 670 | Molecular Spectroscopy | 15 | 255 | 730 | 894 |
| 670 | older people | 20 | 255 | 540 | 610 |
| 673 | Gender Studies | 7 | 254 | 274 | 196 |
| 674 | Teaching | 11 | 253 | 790 | 751 |
| 675 | Health Risk Assessment | 5 | 252 | 288 | 109 |
| 676 | Pediatrics | 9 | 249 | 1451 | 1732 |
| 677 | Food additives | 4 | 248 | 1076 | 801 |
| 678 | educational accountability | 9 | 247 | 39 | 34 |
| 679 | Cosmology | 9 | 246 | 315 | 321 |
| 679 | Human Resources | 8 | 246 | 199 | 282 |
| 681 | Postcolonialism | 8 | 245 | 33 | 6 |
| 682 | warfare | 9 | 244 | 127 | 169 |
| 682 | child behavior | 10 | 244 | 168 | 264 |
| 684 | Input-output analysis | 10 | 243 | 61 | 116 |
| 684 | proteins | 17 | 243 | 876 | 1292 |
| 686 | nursing ethics | 1 | 241 | 464 | 79 |
| 687 | Energy Consumption | 8 | 240 | 185 | 287 |
| 687 | nuclear astrophysics | 8 | 240 | 247 | 266 |
| 689 | Classification | 5 | 239 | 159 | 113 |
| 690 | Computer Architecture | 8 | 238 | 294 | 167 |
| 690 | ecological risk assessment | 3 | 238 | 257 | 74 |
| 690 | colonies | 7 | 238 | 4 | 4 |
| 693 | Dynamics | 18 | 236 | 501 | 615 |
| 694 | Urban Policy | 13 | 235 | 261 | 442 |
| 694 | Magnetic Materials | 8 | 235 | 1065 | 966 |
| 696 | Cloud Computing | 16 | 234 | 52 | 119 |
| 696 | industrial hygiene | 8 | 234 | 540 | 282 |
| 696 | Foraminifera | 10 | 234 | 16 | 20 |
| 696 | income | 9 | 234 | 42 | 66 |
| 696 | Wealth | 9 | 234 | 42 | 66 |
| 696 | toxicity testing | 7 | 234 | 405 | 380 |
| 702 | Community Psychiatry | 11 | 233 | 441 | 624 |
| 702 | Metabolic diseases | 10 | 233 | 1313 | 1924 |
| 704 | Journalism | 10 | 231 | 212 | 158 |
| 704 | refugees | 15 | 231 | 45 | 68 |
| 704 | women | 15 | 231 | 227 | 211 |
| 707 | Mass Media | 26 | 229 | 125 | 184 |
| 708 | homosexuality | 4 | 228 | 325 | 188 |
| 708 | Autism | 7 | 228 | 433 | 492 |
| 710 | Antarctica | 6 | 227 | 308 | 159 |
| 711 | plasma spraying | 10 | 226 | 90 | 104 |
| 712 | police | 15 | 225 | 105 | 103 |
| 713 | Surgery | 2 | 224 | 2276 | 1605 |
| 714 | Multilingualism | 7 | 223 | 122 | 100 |
| 714 | Mental Health Services | 14 | 223 | 513 | 668 |
| 716 | Language Disorders | 8 | 221 | 488 | 427 |
| 716 | Demography | 6 | 221 | 438 | 408 |
| 716 | food technology | 7 | 221 | 1746 | 1707 |
| 719 | Transportation Engineering | 9 | 218 | 146 | 169 |
| 719 | Primary health care | 11 | 218 | 852 | 952 |
| 721 | Cytogenetics | 6 | 216 | 1100 | 1324 |
| 722 | terrorism | 14 | 215 | 51 | 72 |
| 722 | structural stability | 4 | 215 | 281 | 213 |
| 724 | Functional Analysis | 21 | 213 | 382 | 557 |
| 725 | Anxiety Disorders | 4 | 211 | 443 | 513 |
| 725 | Anxiety | 4 | 211 | 443 | 515 |
| 725 | Post-traumatic stress disorder | 7 | 211 | 459 | 524 |
| 728 | Political Psychology | 8 | 209 | 167 | 239 |
| 728 | Behavioral Genetics | 3 | 209 | 225 | 174 |
| 728 | Political Parties | 7 | 209 | 97 | 98 |
| 728 | cultural pluralism | 7 | 209 | 189 | 124 |
| 732 | Bioenergetics | 11 | 207 | 365 | 607 |
| 732 | Schizophrenia | 3 | 207 | 1049 | 829 |
| 732 | Energy metabolism | 11 | 207 | 280 | 478 |
| 732 | social conflict | 10 | 207 | 51 | 64 |
| 736 | Hydrogeology | 7 | 206 | 403 | 380 |
| 736 | biological factors | 10 | 206 | 1055 | 1229 |
| 738 | election law | 13 | 205 | 72 | 117 |
| 738 | United Kingdom | 19 | 205 | 543 | 1161 |
| 738 | Voting | 13 | 205 | 65 | 115 |
| 741 | Intercultural Communication | 10 | 204 | 131 | 187 |
| 741 | Queer Studies | 3 | 204 | 262 | 140 |
| 741 | Quality Control | 9 | 204 | 889 | 1027 |
| 741 | Solid State Chemistry | 10 | 204 | 1540 | 1491 |
| 745 | Waste management | 17 | 203 | 469 | 744 |
| 745 | educational statistics | 6 | 203 | 52 | 58 |
| 745 | biological monitoring | 7 | 203 | 262 | 302 |
| 748 | Geobiology | 8 | 202 | 239 | 285 |
| 749 | radar | 3 | 201 | 193 | 73 |
| 750 | Coastal zone management | 8 | 200 | 342 | 378 |
| 751 | Mining Engineering | 5 | 198 | 429 | 330 |
| 752 | Queuing Theory | 16 | 197 | 30 | 57 |
| 753 | Feminist Jurisprudence | 7 | 196 | 15 | 7 |
| 753 | magnetic resonance | 19 | 196 | 76 | 199 |
| 755 | Transport | 8 | 194 | 315 | 444 |
| 755 | Cell metabolism | 11 | 194 | 262 | 930 |
| 757 | Organizational change | 6 | 193 | 446 | 388 |
| 757 | Mycotoxins | 9 | 193 | 54 | 60 |
| 759 | Epigenetics | 4 | 192 | 162 | 63 |
| 759 | Epigenomics | 4 | 192 | 159 | 61 |
| 761 | landscapes | 5 | 191 | 103 | 68 |
| 762 | Computational Chemistry | 6 | 190 | 434 | 450 |
| 763 | electric vehicles | 5 | 189 | 228 | 190 |
| 763 | Water quality management | 21 | 189 | 575 | 1057 |
| 763 | Biometrics | 15 | 189 | 450 | 648 |
| 763 | Middle East | 14 | 189 | 306 | 308 |
| 767 | Ecohydrology | 8 | 188 | 134 | 167 |
| 767 | Feminist theory | 10 | 188 | 60 | 69 |
| 767 | nuclear magnetic resonance | 10 | 188 | 605 | 641 |
| 767 | transitional justice | 2 | 188 | 19 | 10 |
| 767 | rule of law | 2 | 188 | 39 | 10 |
| 767 | Suicide | 6 | 188 | 344 | 309 |
| 767 | crimes against humanity | 2 | 188 | 19 | 10 |
| 774 | Health Services Research | 14 | 187 | 696 | 1059 |
| 774 | Research Design | 15 | 187 | 431 | 830 |
| 774 | Writing | 5 | 187 | 177 | 149 |
| 774 | Respiration | 7 | 187 | 1017 | 1126 |
| 778 | nuclear magnetic resonance spectroscopy | 22 | 186 | 171 | 387 |
| 778 | water supply | 7 | 186 | 568 | 749 |
| 778 | coal | 4 | 186 | 1495 | 1390 |
| 778 | Europa | 6 | 186 | 294 | 303 |
| 782 | Feminist criminology | 7 | 185 | 12 | 18 |
| 782 | economic conditions | 16 | 185 | 136 | 357 |
| 782 | Steroids | 4 | 185 | 893 | 693 |
| 785 | miniaturization | 6 | 184 | 1391 | 1561 |
| 786 | Functional Genomics | 3 | 183 | 278 | 260 |
| 787 | Cell survival | 11 | 182 | 37 | 136 |
| 787 | cell membrane | 10 | 182 | 278 | 494 |
| 787 | investigative techniques | 5 | 182 | 54 | 80 |
| 787 | molecular chaperones | 11 | 182 | 46 | 137 |
| 791 | Geomagnetism | 7 | 181 | 400 | 392 |
| 792 | Soil Science | 11 | 180 | 991 | 1390 |
| 792 | Therapeutics | 7 | 180 | 1172 | 1476 |
| 794 | Total Quality Management | 7 | 179 | 221 | 235 |
| 794 | Neuropharmacology | 5 | 179 | 446 | 415 |
| 794 | Ultrasound | 12 | 179 | 320 | 493 |
| 797 | Game Theory | 15 | 178 | 173 | 276 |
| 798 | Marine resources | 9 | 177 | 294 | 401 |
| 798 | Porous materials | 5 | 177 | 560 | 318 |
| 800 | Radio wave propagation | 11 | 174 | 331 | 351 |
| 800 | civil service | 12 | 174 | 124 | 223 |
| 802 | Palliative Care | 7 | 173 | 548 | 493 |
| 803 | Gender identity | 10 | 172 | 80 | 75 |
| 803 | impact | 6 | 172 | 222 | 275 |
| 805 | Medical Oncology | 7 | 171 | 1288 | 1579 |
| 805 | Signal Transduction | 12 | 171 | 702 | 1330 |
| 807 | Actuarial Science | 6 | 170 | 150 | 117 |
| 807 | insurance | 6 | 170 | 220 | 162 |
| 809 | Systems Biology | 10 | 169 | 848 | 1166 |
| 810 | Production Engineering | 6 | 168 | 1495 | 1165 |
| 810 | Smart Materials | 12 | 168 | 379 | 570 |
| 810 | Health insurance | 2 | 168 | 583 | 317 |
| 810 | Computational Complexity | 18 | 168 | 208 | 360 |
| 810 | nanoscience | 8 | 168 | 1963 | 2429 |
| 810 | Testing | 9 | 168 | 13 | 15 |
| 816 | mycoses | 7 | 167 | 487 | 874 |
| 816 | Fishery resources | 10 | 167 | 251 | 436 |
| 818 | Multimedia Systems | 14 | 166 | 781 | 1045 |
| 819 | Special Education | 8 | 165 | 412 | 390 |
| 819 | Computer Vision | 11 | 165 | 554 | 990 |
| 819 | Ubiquitous computing | 7 | 165 | 80 | 28 |
| 822 | psychopathology | 8 | 164 | 187 | 289 |
| 822 | Credit | 4 | 164 | 78 | 79 |
| 824 | ethnicity | 11 | 163 | 265 | 275 |
| 825 | labor | 2 | 162 | 389 | 182 |
| 826 | Neuroendocrinology | 3 | 161 | 117 | 207 |
| 827 | ethnic groups | 10 | 160 | 126 | 186 |
| 828 | Inflammation | 6 | 158 | 791 | 1105 |
| 829 | Sports | 13 | 157 | 900 | 1181 |
| 830 | Employee rights | 2 | 156 | 110 | 27 |
| 831 | Urban Geography | 7 | 154 | 107 | 134 |
| 831 | Knowledge | 8 | 154 | 255 | 207 |
| 833 | Pharmacogenetics | 7 | 153 | 645 | 879 |
| 833 | Raman spectroscopy | 19 | 153 | 149 | 493 |
| 835 | Requirements Engineering | 3 | 152 | 62 | 52 |
| 835 | Drug design | 6 | 152 | 1111 | 1295 |
| 837 | Nondestructive testing | 3 | 151 | 754 | 417 |
| 837 | Land use | 4 | 151 | 980 | 907 |
| 837 | Stress | 5 | 151 | 161 | 181 |
| 840 | Industrial Engineering | 9 | 150 | 1049 | 1362 |
| 840 | Organizational Sociology | 10 | 150 | 114 | 216 |
| 840 | Communication in medicine | 2 | 150 | 626 | 352 |
| 840 | technical education | 9 | 150 | 296 | 344 |
| 844 | Philosophy of Mind | 10 | 149 | 76 | 130 |
| 844 | Neonatology | 6 | 149 | 394 | 414 |
| 846 | Chromatography | 6 | 148 | 1228 | 1140 |
| 846 | European Union | 5 | 148 | 105 | 101 |
| 846 | Chromatographic analysis | 6 | 148 | 1425 | 1252 |
| 849 | Restorative justice | 10 | 147 | 29 | 39 |
| 850 | Educational Technology | 10 | 144 | 758 | 1058 |
| 850 | Electromagnetism | 12 | 144 | 469 | 662 |
| 850 | Boundary Value Problems | 12 | 144 | 300 | 443 |
| 850 | Antenna Arrays | 12 | 144 | 225 | 406 |
| 850 | urban forestry | 8 | 144 | 65 | 139 |
| 850 | Methodology | 20 | 144 | 31 | 181 |
| 856 | Marine Ecology | 9 | 143 | 426 | 500 |
| 856 | Plate Tectonics | 4 | 143 | 235 | 174 |
| 856 | cultural policy | 4 | 143 | 159 | 88 |
| 856 | atmosphere | 5 | 143 | 605 | 642 |
| 860 | Sociolinguistics | 9 | 142 | 192 | 247 |
| 860 | Process Control | 4 | 142 | 793 | 955 |
| 860 | Cement | 4 | 142 | 516 | 659 |
| 863 | Cultural diversity | 3 | 141 | 171 | 149 |
| 863 | clay | 5 | 141 | 582 | 738 |
| 863 | Sea | 7 | 141 | 315 | 453 |
| 863 | NMR | 18 | 141 | 79 | 242 |
| 867 | Greenhouse gases | 4 | 140 | 272 | 347 |
| 867 | War and Society | 7 | 140 | 110 | 204 |
| 867 | Approximation Theory | 4 | 140 | 322 | 177 |
| 867 | diseases | 1 | 140 | 653 | 736 |
| 867 | Disease | 1 | 140 | 668 | 724 |
| 872 | Borderlands | 5 | 139 | 27 | 11 |
| 872 | working class | 2 | 139 | 212 | 189 |
| 874 | Quantum Mechanics | 1 | 138 | 336 | 27 |
| 874 | Critical Legal Studies | 10 | 138 | 25 | 30 |
| 874 | Ethnology | 26 | 138 | 297 | 737 |
| 874 | Ultrasonic Imaging | 7 | 138 | 287 | 387 |
| 874 | Peasants | 3 | 138 | 78 | 68 |
| 879 | Quantum Optics | 9 | 137 | 472 | 546 |
| 879 | Research methodology | 3 | 137 | 91 | 75 |
| 879 | Laser Spectroscopy | 9 | 137 | 439 | 513 |
| 882 | Neurotoxicology | 4 | 136 | 481 | 506 |
| 882 | Structural health monitoring | 2 | 136 | 269 | 176 |
| 882 | Water Purification | 13 | 136 | 472 | 778 |
| 882 | Primates | 3 | 136 | 744 | 494 |
| 886 | Random graphs | 6 | 135 | 88 | 81 |
| 886 | forestry | 5 | 135 | 156 | 160 |
| 886 | mental processes | 8 | 135 | 187 | 210 |
| 886 | Leisure | 7 | 135 | 169 | 247 |
| 890 | Telecommunications | 15 | 134 | 187 | 378 |
| 890 | Women's health | 6 | 134 | 879 | 918 |
| 892 | Optoelectronics | 8 | 133 | 278 | 186 |
| 892 | Food Preservation | 2 | 133 | 992 | 394 |
| 894 | Religion | 90 | 131 | 36 | 262 |
| 895 | Welfare Economics | 9 | 130 | 205 | 347 |
| 896 | Phylogeny | 5 | 129 | 660 | 902 |
| 897 | civilization | 29 | 128 | 186 | 181 |
| 898 | population geography | 4 | 127 | 319 | 274 |
| 899 | Health promotion | 6 | 126 | 792 | 913 |
| 899 | Relationships | 9 | 126 | 52 | 149 |
| 901 | Nanoelectronics | 10 | 125 | 446 | 482 |
| 901 | Cognitive Learning | 4 | 125 | 74 | 52 |
| 903 | Career development | 5 | 124 | 270 | 227 |
| 903 | Proteome | 8 | 124 | 732 | 1265 |
| 903 | cell physiology | 5 | 124 | 1251 | 1707 |
| 906 | Criminal Law | 5 | 123 | 176 | 159 |
| 906 | Geographic information systems | 10 | 123 | 502 | 686 |
| 908 | Nationalism | 9 | 122 | 137 | 144 |
| 908 | East Asia | 6 | 122 | 391 | 241 |
| 910 | Structural design | 7 | 121 | 499 | 620 |
| 910 | Developmental Disabilities | 3 | 121 | 997 | 969 |
| 910 | Reproduction | 10 | 121 | 1330 | 1933 |
| 913 | Scandinavia | 9 | 120 | 269 | 436 |
| 914 | Physical Geography | 3 | 118 | 462 | 339 |
| 914 | Social Movements | 4 | 118 | 53 | 47 |
| 914 | Collective behavior | 4 | 118 | 41 | 44 |
| 914 | Chemical industry | 3 | 118 | 1450 | 876 |
| 918 | Ecophysiology | 8 | 117 | 56 | 133 |
| 918 | Language Policy | 3 | 117 | 95 | 76 |
| 918 | Microbial Metabolism | 1 | 117 | 426 | 197 |
| 918 | European integration | 5 | 117 | 147 | 169 |
| 918 | Elderly | 12 | 117 | 562 | 569 |
| 918 | European Economic Community | 5 | 117 | 147 | 169 |
| 924 | Supramolecular chemistry | 6 | 116 | 126 | 93 |
| 925 | Medical genetics | 3 | 115 | 2682 | 3022 |
| 925 | Nonverbal Communication | 2 | 115 | 254 | 207 |
| 925 | Body language | 2 | 115 | 137 | 125 |
| 925 | Watershed management | 2 | 115 | 300 | 82 |
| 925 | Hearing | 6 | 115 | 459 | 518 |
| 930 | monetary policy | 2 | 114 | 58 | 12 |
| 930 | Economic reform | 2 | 114 | 13 | 8 |
| 930 | pain | 4 | 114 | 1217 | 1335 |
| 933 | War | 6 | 113 | 109 | 103 |
| 933 | Crisis management | 7 | 113 | 38 | 95 |
| 933 | Cell death | 2 | 113 | 1525 | 1473 |
| 936 | community development | 3 | 112 | 580 | 448 |
| 936 | Carcinogenesis | 4 | 112 | 923 | 1137 |
| 936 | Federal government | 8 | 112 | 53 | 67 |
| 939 | Ethics | 12 | 111 | 351 | 598 |
| 939 | Feminist Economics | 5 | 111 | 28 | 69 |
| 939 | Feminist criticism | 11 | 111 | 9 | 53 |
| 939 | Arthropods | 4 | 111 | 169 | 104 |
| 939 | Informatics | 5 | 111 | 684 | 775 |
| 939 | Fuzzy systems | 8 | 111 | 941 | 988 |
| 939 | Mites | 4 | 111 | 348 | 222 |
| 946 | Petroleum Geology | 5 | 109 | 420 | 515 |
| 946 | Food service management | 2 | 109 | 499 | 509 |
| 946 | visualization | 20 | 109 | 509 | 760 |
| 946 | Landslides | 5 | 109 | 157 | 324 |
| 946 | Solar System | 10 | 109 | 440 | 721 |
| 951 | social science | 4 | 108 | 115 | 206 |
| 952 | gene therapy | 3 | 107 | 1174 | 1269 |
| 952 | RNA | 2 | 107 | 652 | 597 |
| 952 | Acarology | 2 | 107 | 379 | 192 |
| 952 | Ticks | 2 | 107 | 363 | 190 |
| 952 | Acari | 2 | 107 | 363 | 190 |
| 952 | Toxins | 2 | 107 | 1084 | 753 |
| 958 | Humanities | 13 | 105 | 638 | 874 |
| 958 | Archaeology | 9 | 105 | 713 | 901 |
| 958 | Economic Thought | 4 | 105 | 256 | 390 |
| 958 | Diagnostic microbiology | 1 | 105 | 1901 | 1677 |
| 958 | Population | 9 | 105 | 440 | 864 |
| 958 | national security | 17 | 105 | 57 | 119 |
| 958 | Criminal investigation | 5 | 105 | 133 | 111 |
| 965 | Biopharmaceutics | 5 | 104 | 862 | 1202 |
| 965 | Molecular Microbiology | 5 | 104 | 663 | 1132 |
| 965 | mediation | 5 | 104 | 41 | 28 |
| 965 | elder abuse | 2 | 104 | 379 | 298 |
| 965 | Oral communication | 6 | 104 | 268 | 339 |
| 965 | Developed countries | 5 | 104 | 144 | 226 |
| 971 | sports administration | 7 | 103 | 142 | 217 |
| 971 | India | 17 | 103 | 351 | 555 |
| 973 | Natural resources | 6 | 102 | 501 | 779 |
| 974 | Biomass Energy | 9 | 101 | 1487 | 2607 |
| 974 | Plant hormones | 1 | 101 | 614 | 331 |
| 974 | hazard mitigation | 4 | 101 | 797 | 867 |
| 974 | Wind power | 4 | 101 | 239 | 220 |
| 978 | Socialism | 6 | 100 | 109 | 111 |
| 979 | occupational diseases | 6 | 99 | 522 | 849 |
| 979 | Intelligent Control Systems | 8 | 99 | 614 | 607 |
| 981 | consumer behavior | 5 | 98 | 365 | 557 |
| 981 | Bioinorganic chemistry | 5 | 98 | 1112 | 1247 |
| 983 | Ecological Genetics | 7 | 97 | 356 | 462 |
| 983 | Immunochemistry | 12 | 97 | 414 | 967 |
| 983 | Corporate Social Responsibility | 4 | 97 | 186 | 410 |
| 983 | environmental auditing | 4 | 97 | 197 | 412 |
| 983 | Body Image | 3 | 97 | 215 | 270 |
| 983 | strategy | 8 | 97 | 89 | 84 |
| 989 | Restoration Ecology | 7 | 96 | 218 | 432 |
| 990 | Inclusive Education | 4 | 95 | 117 | 153 |
| 990 | histological techniques | 3 | 95 | 712 | 876 |
| 990 | Integration | 4 | 95 | 112 | 153 |
| 993 | Medical innovations | 1 | 94 | 1813 | 1797 |
| 993 | drug development | 1 | 94 | 1925 | 1672 |
| 993 | drug toxicity | 4 | 94 | 346 | 472 |
| 996 | Geriatric Psychiatry | 5 | 93 | 777 | 996 |
| 996 | animals | 11 | 93 | 587 | 951 |
| 996 | Consumer education | 5 | 93 | 192 | 385 |
| 999 | Depression | 2 | 92 | 473 | 570 |
| 999 | negotiation | 4 | 92 | 43 | 43 |