| 1 | Microbiology | 815 | 103.4K | 168 | 61 |
| 2 | Physics | 530 | 83.0K | 673 | 345 |
| 3 | Ecology | 956 | 72.2K | 113 | 112 |
| 4 | Science | 618 | 54.7K | 454 | 401 |
| 5 | Astrophysics | 560 | 48.6K | 255 | 223 |
| 6 | Biology | 587 | 45.5K | 446 | 454 |
| 7 | Spectrum analysis | 506 | 41.3K | 193 | 151 |
| 8 | Quantum Gravity | 356 | 35.2K | 174 | 59 |
| 9 | Microbial Ecology | 387 | 33.5K | 26 | 33 |
| 10 | Environment | 413 | 32.8K | 162 | 150 |
| 11 | Biochemistry | 639 | 30.4K | 580 | 471 |
| 12 | Chemistry | 465 | 25.2K | 780 | 644 |
| 13 | Molecular Biology | 270 | 24.6K | 754 | 470 |
| 14 | Nuclear Physics | 326 | 22.1K | 527 | 352 |
| 15 | Medicine | 388 | 20.4K | 659 | 547 |
| 16 | Natural history | 120 | 17.0K | 365 | 488 |
| 17 | Pollution | 228 | 16.6K | 410 | 303 |
| 18 | Research | 337 | 16.0K | 617 | 472 |
| 19 | Medical Microbiology | 119 | 15.8K | 180 | 57 |
| 20 | Botany | 245 | 14.4K | 310 | 254 |
| 21 | Biotechnology | 179 | 14.2K | 559 | 356 |
| 22 | Sun | 85 | 12.9K | 27 | 5 |
| 23 | Solar System | 86 | 12.9K | 82 | 21 |
| 24 | Technology | 146 | 12.7K | 318 | 74 |
| 25 | Astronomy | 148 | 12.4K | 470 | 369 |
| 26 | Bacteriology | 52 | 11.5K | 345 | 99 |
| 27 | Solid State Physics | 329 | 11.0K | 352 | 319 |
| 28 | Water | 136 | 10.6K | 174 | 136 |
| 29 | Condensed Matter | 306 | 9.9K | 335 | 348 |
| 30 | Microorganisms | 20 | 9.5K | 243 | 17 |
| 31 | Immunology | 188 | 9.1K | 297 | 312 |
| 32 | Environmental Health | 167 | 8.9K | 463 | 406 |
| 33 | Hydrology | 113 | 8.5K | 208 | 92 |
| 34 | Environmental Microbiology | 131 | 8.5K | 15 | 31 |
| 35 | Diagnostic microbiology | 15 | 8.5K | 393 | 49 |
| 36 | United States | 517 | 8.4K | 189 | 319 |
| 37 | Virology | 125 | 8.4K | 313 | 345 |
| 38 | Genetics | 124 | 7.9K | 386 | 386 |
| 39 | Population Genetics | 36 | 7.9K | 247 | 61 |
| 40 | Bioengineering | 97 | 7.6K | 560 | 393 |
| 41 | Geophysics | 145 | 7.5K | 449 | 352 |
| 42 | Biophysics | 139 | 7.2K | 795 | 590 |
| 43 | Environmental Engineering | 91 | 7.2K | 418 | 273 |
| 44 | water supply | 62 | 6.8K | 103 | 51 |
| 45 | Molecular ecology | 23 | 6.7K | 310 | 71 |
| 46 | Molecular Genetics | 19 | 6.5K | 635 | 130 |
| 47 | Cytology | 67 | 6.2K | 810 | 597 |
| 48 | Zoology | 160 | 6.1K | 148 | 92 |
| 49 | Biodiversity conservation | 71 | 6.0K | 182 | 220 |
| 50 | Earth Sciences | 41 | 5.8K | 821 | 247 |
| 51 | Virulence | 42 | 5.8K | 190 | 97 |
| 52 | environmental pollution | 113 | 5.6K | 514 | 467 |
| 53 | biological evolution | 46 | 5.6K | 427 | 265 |
| 54 | Entomology | 252 | 5.5K | 68 | 76 |
| 55 | Psychology | 183 | 5.4K | 499 | 490 |
| 56 | Water pollution | 118 | 5.3K | 213 | 244 |
| 57 | Agriculture | 179 | 5.3K | 71 | 99 |
| 58 | Optics | 157 | 5.2K | 554 | 362 |
| 59 | Genomics | 133 | 5.2K | 237 | 236 |
| 60 | Evolution | 77 | 5.2K | 256 | 237 |
| 61 | Cell Biology | 61 | 5.1K | 778 | 656 |
| 62 | sanitation | 55 | 5.0K | 237 | 224 |
| 63 | Climate change | 42 | 4.9K | 146 | 207 |
| 64 | Eutrophication | 41 | 4.9K | 147 | 206 |
| 65 | Entrepreneurship | 9 | 4.7K | 481 | 75 |
| 66 | Venture Capital | 5 | 4.7K | 194 | 23 |
| 67 | Biodiversity | 71 | 4.6K | 231 | 176 |
| 68 | innovation | 4 | 4.6K | 510 | 36 |
| 69 | Neurology | 94 | 4.6K | 845 | 795 |
| 70 | Breeding | 66 | 4.5K | 114 | 56 |
| 71 | Fisheries | 130 | 4.4K | 76 | 80 |
| 72 | Wildlife management | 106 | 4.2K | 16 | 6 |
| 73 | Wildlife conservation | 55 | 4.2K | 113 | 81 |
| 74 | Biogeochemistry | 59 | 4.0K | 135 | 131 |
| 75 | Paleontology | 125 | 4.0K | 72 | 47 |
| 76 | Conservation Biology | 52 | 4.0K | 115 | 68 |
| 77 | Environmental Policy | 42 | 3.9K | 685 | 390 |
| 78 | Immunity | 32 | 3.8K | 459 | 384 |
| 79 | Biodegradation | 63 | 3.6K | 6 | 3 |
| 80 | Pharmacology | 63 | 3.5K | 1102 | 771 |
| 81 | Materials | 88 | 3.5K | 1270 | 1095 |
| 82 | Environmental Management | 42 | 3.5K | 595 | 332 |
| 83 | Host-parasite interactions | 27 | 3.4K | 280 | 200 |
| 84 | Nanotechnology | 100 | 3.3K | 852 | 988 |
| 85 | Physical Chemistry | 68 | 3.3K | 346 | 299 |
| 86 | Water Microbiology | 54 | 3.2K | 5 | 4 |
| 87 | Planets | 57 | 3.2K | 318 | 278 |
| 88 | Fouling | 52 | 3.2K | 3 | 2 |
| 89 | Plant diseases | 90 | 3.1K | 200 | 165 |
| 90 | Atmospheric Physics | 39 | 3.0K | 346 | 248 |
| 91 | Surface Chemistry | 84 | 3.0K | 697 | 651 |
| 92 | Electrical Engineering | 81 | 3.0K | 523 | 200 |
| 93 | infection | 17 | 3.0K | 547 | 145 |
| 94 | Infections | 16 | 2.9K | 360 | 123 |
| 95 | Geology | 103 | 2.9K | 479 | 495 |
| 96 | Developmental Biology | 31 | 2.9K | 499 | 374 |
| 97 | Meteorology | 51 | 2.8K | 422 | 377 |
| 98 | viruses | 57 | 2.8K | 232 | 253 |
| 99 | Geochemistry | 48 | 2.7K | 475 | 381 |
| 100 | Economics | 106 | 2.7K | 640 | 583 |
| 101 | Colloids | 74 | 2.7K | 745 | 743 |
| 102 | Bioorganic chemistry | 43 | 2.6K | 672 | 389 |
| 103 | Research Design | 14 | 2.6K | 429 | 135 |
| 104 | Atmospheric Chemistry | 26 | 2.6K | 273 | 200 |
| 105 | ecosystem | 42 | 2.6K | 206 | 174 |
| 106 | Animal Behavior | 42 | 2.6K | 448 | 353 |
| 107 | Physiology | 68 | 2.6K | 780 | 734 |
| 108 | Social Sciences | 61 | 2.5K | 534 | 329 |
| 108 | Building Materials | 21 | 2.5K | 647 | 284 |
| 110 | Liposomes | 6 | 2.5K | 357 | 40 |
| 110 | Lipid bilayers | 6 | 2.5K | 307 | 38 |
| 112 | Ethology | 35 | 2.5K | 394 | 302 |
| 113 | energy conservation | 15 | 2.5K | 816 | 349 |
| 114 | Biocompatible Materials | 56 | 2.4K | 864 | 924 |
| 115 | Materials Science | 98 | 2.4K | 753 | 951 |
| 116 | Parasitology | 31 | 2.2K | 585 | 217 |
| 117 | Parasitic Diseases | 23 | 2.2K | 546 | 201 |
| 118 | Polymers | 52 | 2.2K | 1198 | 890 |
| 119 | Industrial Microbiology | 37 | 2.1K | 343 | 261 |
| 120 | environmental protection | 58 | 2.1K | 536 | 596 |
| 121 | Oceanography | 45 | 2.1K | 384 | 328 |
| 122 | Analytical Chemistry | 58 | 2.1K | 1070 | 952 |
| 123 | Chromosome mapping | 28 | 2.1K | 420 | 257 |
| 123 | gene mapping | 28 | 2.1K | 479 | 330 |
| 125 | Neurophysiology | 33 | 2.1K | 806 | 659 |
| 126 | Medical Laboratory Science | 31 | 2.1K | 484 | 348 |
| 127 | Toxicology | 80 | 2.1K | 749 | 923 |
| 127 | Soil Science | 62 | 2.1K | 233 | 256 |
| 129 | Biogeography | 29 | 2.0K | 219 | 189 |
| 129 | soil microbiology | 37 | 2.0K | 298 | 330 |
| 131 | Photonics | 9 | 2.0K | 1100 | 410 |
| 132 | Biomedical Engineering | 61 | 2.0K | 1025 | 1003 |
| 133 | Immunotherapy | 11 | 2.0K | 783 | 327 |
| 134 | Bioinorganic chemistry | 60 | 2.0K | 173 | 143 |
| 135 | Social Psychology | 41 | 2.0K | 512 | 451 |
| 136 | Public Health | 66 | 2.0K | 889 | 936 |
| 137 | Mathematics | 136 | 2.0K | 1084 | 955 |
| 137 | Insects | 46 | 2.0K | 181 | 123 |
| 139 | Behavior | 38 | 2.0K | 782 | 744 |
| 140 | Nutrition | 50 | 1.9K | 874 | 816 |
| 141 | Renewable Energy Sources | 12 | 1.9K | 1368 | 742 |
| 142 | Animal ecology | 44 | 1.9K | 210 | 193 |
| 143 | Fishery management | 67 | 1.9K | 47 | 49 |
| 144 | Organic Chemistry | 78 | 1.9K | 564 | 628 |
| 145 | human behavior | 25 | 1.9K | 727 | 631 |
| 146 | Pathology | 18 | 1.8K | 725 | 432 |
| 147 | Catalysis | 64 | 1.8K | 910 | 1055 |
| 148 | Pharmacognosy | 11 | 1.8K | 919 | 284 |
| 149 | natural products | 11 | 1.8K | 909 | 183 |
| 150 | Agricultural Ecology | 36 | 1.8K | 146 | 181 |
| 151 | Environmental Chemistry | 58 | 1.7K | 224 | 472 |
| 152 | nuclear magnetic resonance | 79 | 1.7K | 101 | 137 |
| 152 | Water quality management | 57 | 1.7K | 180 | 159 |
| 154 | cytokines | 10 | 1.7K | 540 | 121 |
| 155 | Light | 13 | 1.7K | 379 | 287 |
| 156 | Biochemical Engineering | 22 | 1.7K | 1227 | 1043 |
| 157 | Immunopharmacology | 8 | 1.7K | 566 | 77 |
| 158 | Psychophysiology | 53 | 1.7K | 635 | 699 |
| 159 | Ecosystem management | 35 | 1.6K | 66 | 73 |
| 160 | Plant physiology | 32 | 1.6K | 587 | 549 |
| 161 | Luminescence | 57 | 1.6K | 88 | 40 |
| 162 | Mass Spectrometry | 23 | 1.6K | 340 | 152 |
| 163 | Magnetic Resonance Spectroscopy | 76 | 1.6K | 110 | 158 |
| 164 | Geography | 67 | 1.6K | 296 | 392 |
| 165 | Waste management | 49 | 1.6K | 126 | 83 |
| 165 | Water Purification | 49 | 1.6K | 87 | 65 |
| 167 | Statistics | 72 | 1.5K | 464 | 443 |
| 168 | Mathematical Physics | 38 | 1.5K | 853 | 543 |
| 168 | genome | 22 | 1.5K | 409 | 403 |
| 170 | Transportation | 86 | 1.5K | 187 | 315 |
| 171 | Green Chemistry | 12 | 1.5K | 855 | 475 |
| 172 | Mineralogy | 22 | 1.5K | 487 | 308 |
| 173 | Psychiatry | 72 | 1.5K | 723 | 972 |
| 174 | Nursing | 38 | 1.4K | 356 | 169 |
| 175 | Molecular Microbiology | 17 | 1.4K | 314 | 273 |
| 176 | Vocational guidance | 30 | 1.4K | 211 | 199 |
| 177 | Forest Management | 42 | 1.4K | 153 | 167 |
| 178 | Neurochemistry | 16 | 1.4K | 966 | 613 |
| 179 | Biogeochemical cycles | 15 | 1.4K | 133 | 135 |
| 180 | Ecological Genetics | 17 | 1.4K | 130 | 17 |
| 181 | Solid State Chemistry | 32 | 1.4K | 788 | 452 |
| 182 | counseling | 40 | 1.4K | 257 | 211 |
| 183 | Nanostructured Materials | 50 | 1.4K | 768 | 884 |
| 184 | polar regions | 34 | 1.3K | 74 | 37 |
| 185 | Petrology | 10 | 1.3K | 545 | 287 |
| 186 | nanoscience | 43 | 1.3K | 696 | 875 |
| 187 | Pharmaceutical Chemistry | 50 | 1.3K | 835 | 914 |
| 188 | Education | 118 | 1.3K | 416 | 635 |
| 188 | Chemical Ecology | 34 | 1.3K | 61 | 80 |
| 188 | pheromones | 34 | 1.3K | 49 | 70 |
| 191 | Electrochemistry | 105 | 1.3K | 690 | 966 |
| 192 | free radicals | 22 | 1.3K | 379 | 380 |
| 193 | Plants | 29 | 1.3K | 532 | 571 |
| 194 | Plant Ecology | 38 | 1.3K | 403 | 481 |
| 195 | Forest Ecology | 35 | 1.3K | 184 | 207 |
| 196 | Anatomy | 26 | 1.3K | 587 | 435 |
| 197 | Chemical Engineering | 58 | 1.3K | 1151 | 1512 |
| 198 | Mycology | 49 | 1.3K | 239 | 329 |
| 199 | Meteorites | 18 | 1.3K | 370 | 344 |
| 200 | Agricultural Science | 65 | 1.2K | 11 | 52 |
| 201 | polymerization | 29 | 1.2K | 1369 | 999 |
| 202 | Bacteria | 1 | 1.2K | 532 | 62 |
| 202 | Bacterial infections | 1 | 1.2K | 1140 | 236 |
| 204 | mammals | 24 | 1.2K | 224 | 104 |
| 205 | Agronomy | 63 | 1.2K | 51 | 101 |
| 206 | Freshwater invertebrates | 17 | 1.2K | 31 | 21 |
| 206 | Energy Consumption | 4 | 1.2K | 281 | 60 |
| 208 | Plant cells | 17 | 1.2K | 426 | 518 |
| 209 | Plant Taxonomy | 5 | 1.2K | 287 | 47 |
| 210 | enzymes | 30 | 1.1K | 341 | 303 |
| 211 | plant molecular biology | 23 | 1.1K | 461 | 539 |
| 212 | Sustainable Development | 9 | 1.1K | 1058 | 423 |
| 213 | Brain | 20 | 1.1K | 999 | 787 |
| 213 | Roads | 77 | 1.1K | 77 | 93 |
| 215 | Medical Technology | 6 | 1.1K | 1001 | 241 |
| 216 | sustainability | 6 | 1.1K | 534 | 197 |
| 217 | Economic Development | 7 | 1.1K | 943 | 391 |
| 217 | proteins | 38 | 1.1K | 420 | 453 |
| 219 | Natural resources | 12 | 1.1K | 296 | 149 |
| 220 | Paleoclimatology | 29 | 1.1K | 282 | 289 |
| 221 | Hydraulic Engineering | 11 | 1.1K | 413 | 175 |
| 222 | Computational Biology | 44 | 1.1K | 464 | 616 |
| 223 | Geomorphology | 21 | 1.1K | 465 | 373 |
| 224 | Agricultural Chemistry | 73 | 1.1K | 264 | 533 |
| 225 | Statistical physics | 58 | 1.1K | 866 | 973 |
| 226 | Molecular structure | 17 | 1.0K | 988 | 554 |
| 227 | Small Business | 13 | 1.0K | 254 | 287 |
| 228 | Biomass Energy | 27 | 1.0K | 679 | 858 |
| 229 | Ecological Engineering | 12 | 1.0K | 176 | 69 |
| 230 | Composite Materials | 28 | 974 | 868 | 943 |
| 231 | Human genetics | 4 | 973 | 1213 | 1042 |
| 232 | Family | 38 | 960 | 177 | 196 |
| 233 | Cosmochemistry | 16 | 959 | 294 | 200 |
| 234 | Biomechanics | 25 | 950 | 328 | 319 |
| 234 | Memory | 31 | 950 | 454 | 497 |
| 236 | Embryology | 15 | 948 | 599 | 499 |
| 237 | freshwater biology | 20 | 944 | 215 | 165 |
| 238 | Hydrodynamics | 8 | 937 | 332 | 125 |
| 239 | Aquatic ecology | 32 | 931 | 116 | 127 |
| 240 | Environmental monitoring | 35 | 930 | 1025 | 1349 |
| 241 | Tourism | 18 | 927 | 544 | 510 |
| 242 | Political Science | 43 | 922 | 388 | 366 |
| 243 | Antibacterial agents | 8 | 899 | 317 | 93 |
| 244 | Cancer | 15 | 894 | 1176 | 1020 |
| 245 | Electronics | 37 | 872 | 941 | 882 |
| 246 | Proteome | 14 | 859 | 435 | 347 |
| 247 | Atomic spectroscopy | 38 | 845 | 181 | 217 |
| 248 | Plant genetic engineering | 24 | 844 | 196 | 257 |
| 249 | Birds | 50 | 843 | 184 | 212 |
| 249 | biological invasions | 26 | 843 | 65 | 83 |
| 251 | Decision making | 24 | 840 | 351 | 346 |
| 252 | Landscape Ecology | 17 | 825 | 87 | 107 |
| 253 | Cognition | 28 | 819 | 526 | 587 |
| 254 | global environmental change | 9 | 810 | 370 | 256 |
| 255 | Health Education | 38 | 804 | 391 | 418 |
| 256 | Sports | 40 | 800 | 493 | 593 |
| 257 | management | 18 | 797 | 1448 | 1284 |
| 258 | Plant breeding | 25 | 796 | 123 | 120 |
| 259 | Genetic engineering | 22 | 788 | 654 | 663 |
| 259 | Vocational Education | 17 | 788 | 152 | 59 |
| 261 | Systems Biology | 26 | 786 | 373 | 363 |
| 262 | Electrophysiology | 12 | 772 | 419 | 169 |
| 263 | atmospheric models | 12 | 767 | 290 | 229 |
| 264 | Growth | 8 | 761 | 606 | 501 |
| 265 | Food | 31 | 759 | 853 | 1100 |
| 266 | plant communities | 21 | 754 | 324 | 433 |
| 267 | Public Policy | 25 | 739 | 456 | 462 |
| 268 | Thrombosis | 3 | 728 | 822 | 324 |
| 268 | vascular diseases | 3 | 728 | 605 | 253 |
| 270 | Fisheries Law | 16 | 719 | 34 | 44 |
| 270 | fisheries management | 16 | 719 | 34 | 44 |
| 272 | Environmental Toxicology | 28 | 718 | 603 | 844 |
| 272 | Nervous system | 10 | 718 | 1199 | 860 |
| 274 | organization | 10 | 716 | 379 | 361 |
| 275 | Plant Biotechnology | 12 | 714 | 269 | 175 |
| 276 | Algae | 12 | 713 | 333 | 212 |
| 276 | Seaweed | 12 | 713 | 226 | 154 |
| 278 | Membranes | 29 | 709 | 515 | 711 |
| 279 | Environmental pollutants | 29 | 704 | 528 | 728 |
| 280 | Nutrition physiology | 26 | 698 | 107 | 185 |
| 280 | Quantum Optics | 31 | 698 | 150 | 164 |
| 280 | Laser Spectroscopy | 31 | 698 | 123 | 138 |
| 283 | Climatology | 16 | 696 | 661 | 595 |
| 284 | Geobiology | 28 | 694 | 59 | 88 |
| 285 | Organic Geochemistry | 10 | 693 | 144 | 116 |
| 286 | Signal Processing | 7 | 690 | 1653 | 928 |
| 287 | Clinical Chemistry | 20 | 684 | 924 | 932 |
| 287 | Restoration Ecology | 20 | 684 | 63 | 88 |
| 289 | Image Processing | 6 | 680 | 1551 | 787 |
| 289 | Diet | 29 | 680 | 498 | 794 |
| 291 | Archaeology | 16 | 678 | 529 | 323 |
| 291 | Cytogenetics | 14 | 678 | 515 | 537 |
| 291 | Molecular evolution | 10 | 678 | 701 | 549 |
| 294 | miniaturization | 18 | 676 | 659 | 764 |
| 295 | health services | 25 | 674 | 218 | 212 |
| 296 | Marine Biology | 27 | 672 | 830 | 911 |
| 297 | Metabolism | 10 | 666 | 1156 | 988 |
| 298 | Agricultural systems | 9 | 656 | 124 | 79 |
| 299 | Psychoneuroimmunology | 2 | 650 | 671 | 231 |
| 299 | Neuroimmunology | 2 | 650 | 747 | 260 |
| 301 | nucleic acids | 16 | 643 | 656 | 738 |
| 302 | families | 45 | 642 | 101 | 185 |
| 303 | Health Policy | 19 | 638 | 708 | 611 |
| 303 | Oxidation-reduction | 6 | 638 | 513 | 416 |
| 305 | Power Electronics | 7 | 637 | 697 | 454 |
| 306 | Signal Transduction | 8 | 634 | 780 | 608 |
| 307 | Ferroelectricity | 55 | 629 | 117 | 173 |
| 308 | Sports Medicine | 44 | 625 | 543 | 772 |
| 308 | personality | 18 | 625 | 575 | 643 |
| 310 | baking | 33 | 618 | 16 | 35 |
| 311 | Transgenic plants | 12 | 616 | 112 | 96 |
| 312 | Epidemiology | 22 | 615 | 1135 | 1083 |
| 312 | Cell differentiation | 4 | 615 | 1058 | 719 |
| 314 | Business | 14 | 610 | 980 | 1025 |
| 315 | Paleoecology | 20 | 609 | 347 | 398 |
| 316 | internet | 14 | 608 | 624 | 515 |
| 317 | Diagnostic Imaging | 13 | 607 | 760 | 571 |
| 318 | Antioxidants | 6 | 605 | 472 | 352 |
| 319 | Invertebrates | 19 | 602 | 126 | 113 |
| 320 | mass transfer | 23 | 601 | 593 | 664 |
| 321 | Fungi | 24 | 596 | 252 | 409 |
| 322 | Bioremediation | 16 | 593 | 141 | 160 |
| 323 | Marriage | 27 | 591 | 76 | 108 |
| 324 | Experimental Psychology | 4 | 587 | 512 | 232 |
| 325 | Extreme environments | 9 | 584 | 60 | 27 |
| 326 | Engineering | 51 | 583 | 888 | 1300 |
| 326 | Paleogeography | 17 | 583 | 352 | 369 |
| 328 | Analytical Biochemistry | 22 | 579 | 455 | 503 |
| 329 | United Kingdom | 15 | 571 | 571 | 561 |
| 330 | exobiology | 21 | 570 | 41 | 99 |
| 331 | Greenhouse gases | 16 | 558 | 71 | 98 |
| 332 | Microelectronics | 17 | 553 | 694 | 758 |
| 332 | Obesity | 16 | 553 | 708 | 781 |
| 334 | Exercise | 13 | 546 | 623 | 432 |
| 335 | lasers | 10 | 542 | 1227 | 617 |
| 336 | Neurobiology | 9 | 537 | 872 | 793 |
| 337 | Biometrics | 14 | 534 | 438 | 319 |
| 338 | Food Security | 5 | 533 | 80 | 24 |
| 339 | Animal breeding | 16 | 530 | 294 | 223 |
| 340 | Pediatric Neurology | 5 | 527 | 586 | 499 |
| 341 | Economic History | 26 | 523 | 1044 | 983 |
| 342 | Child Development | 22 | 521 | 626 | 756 |
| 343 | Neurons | 4 | 512 | 451 | 531 |
| 344 | computer networks | 10 | 511 | 1344 | 945 |
| 345 | Industrial Engineering | 16 | 506 | 669 | 649 |
| 345 | Quality Control | 18 | 506 | 481 | 538 |
| 347 | pollutants | 25 | 503 | 452 | 786 |
| 348 | Reproduction | 26 | 499 | 682 | 801 |
| 349 | Molecular Pharmacology | 10 | 496 | 357 | 340 |
| 350 | Sociology | 28 | 494 | 837 | 1040 |
| 351 | Fire ecology | 5 | 485 | 37 | 14 |
| 352 | Parasites | 11 | 482 | 774 | 486 |
| 353 | Substance Abuse | 15 | 481 | 542 | 481 |
| 354 | marketing | 13 | 477 | 954 | 913 |
| 355 | Developmental Psychology | 15 | 473 | 397 | 459 |
| 356 | Bioinformatics | 24 | 466 | 595 | 813 |
| 356 | Wetland ecology | 8 | 466 | 164 | 95 |
| 356 | Wetland conservation | 8 | 466 | 112 | 71 |
| 356 | Wetlands | 8 | 466 | 115 | 71 |
| 360 | Learning | 11 | 462 | 648 | 536 |
| 361 | Metallurgy | 16 | 460 | 930 | 822 |
| 361 | Plant tissue culture | 17 | 460 | 169 | 189 |
| 363 | Development Economics | 11 | 457 | 112 | 104 |
| 363 | Industry | 3 | 457 | 156 | 67 |
| 365 | Health Services Administration | 10 | 454 | 410 | 274 |
| 366 | Ophthalmology | 16 | 452 | 724 | 699 |
| 367 | Health promotion | 29 | 450 | 234 | 333 |
| 368 | concrete | 4 | 449 | 817 | 546 |
| 369 | protein | 18 | 447 | 398 | 451 |
| 369 | Plant cell culture | 6 | 447 | 378 | 195 |
| 371 | Experimental Design | 9 | 442 | 118 | 110 |
| 372 | Ornithology | 28 | 439 | 237 | 267 |
| 373 | Socioeconomic Factors | 14 | 433 | 226 | 235 |
| 373 | alcoholism | 15 | 433 | 539 | 586 |
| 375 | Public Choice | 16 | 427 | 78 | 98 |
| 375 | Group decision making | 16 | 427 | 104 | 134 |
| 377 | Nonlinear Dynamics | 15 | 421 | 944 | 875 |
| 378 | animals | 11 | 420 | 567 | 309 |
| 379 | cell physiology | 6 | 418 | 926 | 773 |
| 380 | Thin Films | 10 | 415 | 186 | 79 |
| 381 | Medical Anthropology | 16 | 410 | 435 | 617 |
| 382 | Bioenergetics | 12 | 408 | 363 | 386 |
| 382 | recreation | 18 | 408 | 199 | 172 |
| 384 | Child psychology | 20 | 406 | 493 | 735 |
| 385 | Leadership | 2 | 405 | 693 | 288 |
| 386 | food contamination | 10 | 396 | 372 | 212 |
| 386 | drug addiction | 10 | 396 | 524 | 511 |
| 388 | race relations | 3 | 394 | 608 | 182 |
| 389 | Proteomics | 5 | 392 | 755 | 498 |
| 389 | Health | 18 | 392 | 733 | 823 |
| 391 | Adolescent | 30 | 390 | 507 | 809 |
| 392 | Microcirculation | 6 | 388 | 282 | 146 |
| 392 | Blood vessels | 6 | 388 | 207 | 98 |
| 392 | California | 21 | 388 | 99 | 123 |
| 395 | biofuels | 5 | 387 | 164 | 163 |
| 396 | Aging | 25 | 385 | 806 | 1066 |
| 397 | data collection | 14 | 380 | 319 | 457 |
| 398 | Vaccines | 11 | 378 | 728 | 677 |
| 399 | Anthropology | 19 | 375 | 542 | 516 |
| 400 | Social behavior | 12 | 372 | 517 | 572 |
| 401 | Perception | 21 | 371 | 588 | 757 |
| 402 | Food Preservation | 8 | 368 | 400 | 141 |
| 403 | Neuropsychology | 15 | 366 | 947 | 1027 |
| 404 | Radiography | 4 | 361 | 571 | 476 |
| 405 | Aquaculture | 22 | 360 | 433 | 615 |
| 406 | Educational Psychology | 5 | 358 | 1047 | 679 |
| 406 | Lipids | 5 | 358 | 917 | 668 |
| 408 | DNA | 4 | 357 | 481 | 149 |
| 409 | Numerical Analysis | 19 | 355 | 958 | 865 |
| 409 | Energy metabolism | 9 | 355 | 323 | 348 |
| 409 | Telecommunication | 9 | 355 | 1515 | 1183 |
| 409 | cell membrane | 9 | 355 | 305 | 334 |
| 413 | Pediatrics | 9 | 353 | 1098 | 1044 |
| 414 | nuclear magnetic resonance spectroscopy | 15 | 352 | 266 | 239 |
| 415 | Ubiquitous computing | 1 | 349 | 617 | 11 |
| 415 | Family Therapy | 17 | 349 | 237 | 246 |
| 417 | Data Mining | 11 | 348 | 704 | 729 |
| 417 | Soft Condensed Matter | 14 | 348 | 456 | 512 |
| 417 | Groundwater | 8 | 348 | 262 | 205 |
| 420 | System analysis | 18 | 347 | 930 | 1059 |
| 420 | biopolymers | 13 | 347 | 511 | 550 |
| 422 | Community Psychiatry | 7 | 346 | 505 | 426 |
| 422 | Attention | 20 | 346 | 535 | 702 |
| 424 | Dynamics | 13 | 345 | 740 | 516 |
| 425 | Teaching | 19 | 342 | 589 | 691 |
| 425 | Sleep | 47 | 342 | 266 | 628 |
| 427 | Medical Physics | 6 | 340 | 1018 | 752 |
| 428 | Morphology | 10 | 336 | 407 | 270 |
| 429 | Animal Biotechnology | 2 | 335 | 208 | 45 |
| 429 | animal diseases | 2 | 335 | 586 | 157 |
| 431 | Community Psychology | 7 | 332 | 319 | 292 |
| 432 | Smoking | 6 | 328 | 463 | 374 |
| 433 | Developing countries | 4 | 325 | 1942 | 994 |
| 434 | Quantum electronics | 11 | 323 | 819 | 621 |
| 434 | Photochemistry | 13 | 323 | 750 | 791 |
| 436 | Wind power | 6 | 322 | 148 | 66 |
| 437 | Wireless Communication Systems | 10 | 319 | 1360 | 1096 |
| 438 | Biofilms | 7 | 317 | 41 | 58 |
| 438 | Youth | 11 | 317 | 300 | 375 |
| 440 | Paleobiology | 27 | 314 | 33 | 44 |
| 441 | Medical genetics | 5 | 313 | 1382 | 1258 |
| 441 | Nanostructures | 5 | 313 | 1540 | 1081 |
| 441 | Lightweight concrete | 1 | 313 | 703 | 355 |
| 444 | Sustainable Engineering | 9 | 312 | 905 | 942 |
| 445 | Pesticides | 9 | 311 | 259 | 172 |
| 446 | herbicides | 20 | 309 | 42 | 76 |
| 447 | Food Microbiology | 6 | 304 | 769 | 763 |
| 448 | Organometallic compounds | 12 | 298 | 640 | 631 |
| 449 | Plate Tectonics | 8 | 297 | 109 | 83 |
| 450 | Physical organic chemistry | 6 | 296 | 1033 | 679 |
| 450 | adolescence | 17 | 296 | 309 | 492 |
| 450 | Phytotherapy | 8 | 296 | 248 | 250 |
| 453 | Ergonomics | 52 | 294 | 125 | 383 |
| 454 | Histology | 11 | 290 | 899 | 977 |
| 454 | Drug delivery systems | 2 | 290 | 1756 | 957 |
| 456 | Energy Conversion | 7 | 289 | 784 | 924 |
| 457 | Genetic translocation | 2 | 287 | 260 | 79 |
| 457 | plasmids | 2 | 287 | 260 | 79 |
| 459 | Ceramics | 13 | 285 | 623 | 616 |
| 460 | Glass | 9 | 284 | 553 | 520 |
| 460 | pottery | 9 | 284 | 520 | 512 |
| 462 | Solar Energy | 13 | 282 | 750 | 1111 |
| 463 | Visual Perception | 16 | 279 | 572 | 737 |
| 463 | Beetles | 62 | 279 | 2 | 2 |
| 465 | Petroleum Engineering | 5 | 278 | 496 | 301 |
| 466 | Energy Policy | 6 | 277 | 1899 | 1867 |
| 466 | Adolescent Medicine | 3 | 277 | 482 | 451 |
| 466 | Ethnobotany | 7 | 277 | 49 | 93 |
| 466 | Traditional medicine | 7 | 277 | 53 | 94 |
| 466 | ethnobiology | 7 | 277 | 77 | 108 |
| 466 | Ethnomedicine | 7 | 277 | 48 | 93 |
| 472 | Optical materials | 8 | 274 | 1639 | 1619 |
| 473 | Oncology | 3 | 272 | 1677 | 1393 |
| 474 | Edible plants | 10 | 271 | 34 | 62 |
| 475 | Medical Imaging | 6 | 269 | 171 | 127 |
| 475 | Magnetic Resonance Imaging | 6 | 269 | 253 | 176 |
| 475 | Disease | 4 | 269 | 243 | 457 |
| 478 | Antibodies | 10 | 266 | 257 | 277 |
| 478 | Antigens | 10 | 266 | 352 | 368 |
| 480 | Quantitative Research | 6 | 265 | 140 | 145 |
| 480 | Immune system | 2 | 265 | 926 | 691 |
| 482 | Sustainable agriculture | 11 | 262 | 243 | 332 |
| 482 | Electrochemical Analysis | 5 | 262 | 1273 | 854 |
| 484 | Emotions | 8 | 261 | 329 | 419 |
| 485 | Water chemistry | 3 | 259 | 312 | 56 |
| 485 | Metals | 10 | 259 | 1099 | 1075 |
| 487 | Rural Development | 7 | 258 | 271 | 261 |
| 488 | Ethnic relations | 1 | 256 | 1047 | 182 |
| 488 | Ethnic Conflict | 1 | 256 | 464 | 124 |
| 488 | forced migration | 1 | 256 | 464 | 124 |
| 491 | mycoses | 6 | 254 | 468 | 554 |
| 492 | Combinatorial optimization | 24 | 252 | 39 | 65 |
| 492 | fertility | 4 | 252 | 701 | 608 |
| 494 | Infertility | 3 | 251 | 703 | 566 |
| 495 | Organizational Behavior | 3 | 250 | 575 | 459 |
| 495 | Strategic planning | 6 | 250 | 476 | 400 |
| 497 | Urban Economics | 7 | 249 | 175 | 233 |
| 497 | Mutagenesis | 1 | 249 | 794 | 124 |
| 497 | teratogenic agents | 1 | 249 | 482 | 30 |
| 497 | urban population | 7 | 249 | 100 | 177 |
| 497 | carcinogens | 1 | 249 | 1316 | 574 |
| 502 | Allergy | 1 | 248 | 1186 | 769 |
| 503 | psychotherapy | 6 | 245 | 835 | 689 |
| 504 | consumer behavior | 7 | 242 | 291 | 350 |
| 505 | economic conditions | 2 | 241 | 612 | 293 |
| 506 | Microeconomics | 10 | 240 | 128 | 170 |
| 506 | Economic Thought | 1 | 240 | 509 | 259 |
| 506 | Herpetology | 6 | 240 | 193 | 63 |
| 506 | RNA | 6 | 240 | 318 | 343 |
| 506 | Reptiles | 6 | 240 | 156 | 55 |
| 506 | energy resources | 5 | 240 | 1011 | 1175 |
| 512 | Dietetics | 24 | 238 | 149 | 266 |
| 513 | Microbial Genetics | 5 | 236 | 225 | 207 |
| 513 | Information Science | 9 | 236 | 1482 | 1618 |
| 515 | Food Policy | 8 | 231 | 138 | 210 |
| 515 | health behavior | 13 | 231 | 346 | 491 |
| 515 | world | 8 | 231 | 373 | 556 |
| 518 | human development | 7 | 230 | 499 | 517 |
| 519 | Hematology | 5 | 229 | 1198 | 1096 |
| 519 | Critical Care | 3 | 229 | 1065 | 908 |
| 519 | eugenics | 7 | 229 | 263 | 235 |
| 522 | Energy Storage | 6 | 226 | 850 | 780 |
| 523 | Molecular recognition | 1 | 225 | 451 | 73 |
| 524 | Psycholinguistics | 5 | 224 | 706 | 609 |
| 525 | environmental exposure | 10 | 223 | 951 | 1247 |
| 526 | Medical innovations | 6 | 221 | 544 | 813 |
| 527 | Internet of Things | 4 | 219 | 941 | 756 |
| 527 | Topology | 4 | 219 | 297 | 99 |
| 529 | Serology | 4 | 218 | 384 | 218 |
| 529 | phytopathogenic bacteria | 3 | 218 | 222 | 203 |
| 531 | Carbon | 7 | 217 | 817 | 1088 |
| 532 | Transportation Engineering | 6 | 215 | 209 | 197 |
| 532 | cryosphere | 15 | 215 | 129 | 243 |
| 532 | Amphibians | 5 | 215 | 146 | 35 |
| 535 | Humanities | 7 | 212 | 1142 | 562 |
| 535 | nursing education | 2 | 212 | 218 | 19 |
| 537 | Critical Care Medicine | 2 | 208 | 1149 | 937 |
| 538 | Combinatorial chemistry | 8 | 207 | 378 | 546 |
| 539 | Geriatrics | 23 | 206 | 875 | 1418 |
| 539 | Respiration | 9 | 206 | 759 | 887 |
| 541 | Geographic information systems | 8 | 205 | 611 | 474 |
| 541 | Physical fitness | 6 | 205 | 698 | 644 |
| 543 | Fish diseases | 7 | 204 | 39 | 49 |
| 543 | Aquatic animals | 7 | 204 | 61 | 50 |
| 545 | Quality Assurance | 1 | 203 | 725 | 90 |
| 545 | economic policy | 13 | 203 | 1123 | 1065 |
| 545 | Safety management | 1 | 203 | 1161 | 148 |
| 548 | Manufacturing Processes | 11 | 202 | 1207 | 1383 |
| 548 | Regional Planning | 18 | 202 | 554 | 875 |
| 548 | Memory disorders | 6 | 202 | 168 | 163 |
| 551 | Europe | 8 | 201 | 1702 | 1453 |
| 552 | Econometrics | 17 | 200 | 521 | 704 |
| 552 | Genes | 11 | 200 | 478 | 610 |
| 554 | Computational Chemistry | 7 | 199 | 411 | 441 |
| 554 | Health Information Management | 1 | 199 | 660 | 449 |
| 554 | Business Ethics | 6 | 199 | 686 | 984 |
| 554 | Australia | 8 | 199 | 991 | 842 |
| 558 | Ceramic materials | 6 | 197 | 948 | 775 |
| 559 | Enzyme inhibitors | 5 | 196 | 248 | 194 |
| 559 | Trace elements | 2 | 196 | 359 | 178 |
| 561 | Production Engineering | 8 | 195 | 1201 | 1066 |
| 561 | Remote Sensing | 6 | 195 | 1010 | 693 |
| 561 | Porous materials | 7 | 195 | 423 | 293 |
| 564 | Detectors | 7 | 194 | 984 | 903 |
| 565 | Mechanical Engineering | 14 | 193 | 1200 | 1190 |
| 566 | Mental Health | 9 | 192 | 803 | 833 |
| 567 | Pharmacy | 15 | 190 | 836 | 1291 |
| 568 | Environmental Education | 8 | 189 | 129 | 189 |
| 568 | coal | 7 | 189 | 1056 | 1283 |
| 568 | Autism | 3 | 189 | 635 | 496 |
| 571 | Automation | 16 | 188 | 986 | 1538 |
| 572 | Microbial Metabolism | 5 | 187 | 84 | 114 |
| 572 | drug development | 6 | 187 | 530 | 782 |
| 574 | behavioral medicine | 13 | 186 | 506 | 1026 |
| 574 | Mobile genetic elements | 1 | 186 | 209 | 42 |
| 574 | Medicinal plants | 6 | 186 | 906 | 1077 |
| 577 | Human Geography | 12 | 184 | 499 | 611 |
| 577 | Oncogenes | 3 | 184 | 857 | 897 |
| 577 | drug toxicity | 3 | 184 | 472 | 261 |
| 580 | Career development | 5 | 183 | 286 | 170 |
| 580 | older people | 21 | 183 | 479 | 663 |
| 582 | rivers | 9 | 182 | 97 | 158 |
| 583 | Cultural diversity | 2 | 180 | 227 | 138 |
| 583 | Adolescent Psychology | 12 | 180 | 352 | 550 |
| 583 | Cerebrospinal fluid | 3 | 180 | 120 | 76 |
| 583 | Marine mammals | 15 | 180 | 55 | 127 |
| 587 | Communication | 16 | 179 | 840 | 1301 |
| 588 | synthesis | 14 | 177 | 359 | 444 |
| 589 | Diabetes mellitus | 6 | 175 | 1140 | 1284 |
| 590 | Nanoparticles | 8 | 174 | 1134 | 1335 |
| 590 | Health insurance | 6 | 174 | 250 | 248 |
| 592 | Information Theory | 8 | 173 | 866 | 865 |
| 592 | health services accessibility | 7 | 173 | 531 | 530 |
| 592 | Raman spectroscopy | 2 | 173 | 971 | 488 |
| 592 | motivation | 5 | 173 | 237 | 266 |
| 592 | Emotion | 5 | 173 | 141 | 204 |
| 597 | Fluid Mechanics | 10 | 172 | 821 | 898 |
| 597 | Risk | 5 | 172 | 361 | 358 |
| 599 | Endocrinology | 14 | 171 | 1147 | 1779 |
| 600 | community development | 13 | 170 | 182 | 330 |
| 600 | Child | 10 | 170 | 1128 | 1363 |
| 602 | Systems Theory | 2 | 169 | 551 | 89 |
| 602 | Molecular Spectroscopy | 5 | 169 | 1456 | 1208 |
| 602 | Biomolecules | 2 | 169 | 561 | 377 |
| 602 | Structure-activity relationship | 3 | 169 | 219 | 175 |
| 606 | Cartography | 6 | 168 | 246 | 148 |
| 606 | Welfare Economics | 9 | 168 | 218 | 293 |
| 608 | Freshwater Ecology | 8 | 167 | 82 | 47 |
| 609 | Structural design | 3 | 166 | 849 | 527 |
| 609 | Smart Materials | 3 | 166 | 961 | 568 |
| 609 | agricultural policy | 5 | 166 | 147 | 226 |
| 612 | Surface-Active Agents | 5 | 165 | 849 | 954 |
| 612 | Surface properties | 5 | 165 | 899 | 1023 |
| 614 | soil management | 6 | 160 | 331 | 477 |
| 614 | educational planning | 7 | 160 | 205 | 297 |
| 614 | tillage | 6 | 160 | 245 | 412 |
| 617 | fuel cells | 7 | 159 | 800 | 1054 |
| 618 | Geodesy | 4 | 158 | 632 | 427 |
| 619 | Veterinary Immunology | 8 | 157 | 165 | 213 |
| 619 | Protozoa | 6 | 157 | 248 | 276 |
| 621 | Agricultural Engineering | 5 | 156 | 298 | 298 |
| 622 | Sedimentology | 3 | 155 | 581 | 431 |
| 622 | transgenic organisms | 4 | 155 | 170 | 168 |
| 622 | transgenic animals | 4 | 155 | 158 | 165 |
| 625 | Social problems | 3 | 153 | 610 | 470 |
| 626 | Globalization | 2 | 152 | 742 | 342 |
| 626 | Microscopy | 4 | 152 | 1195 | 763 |
| 628 | Land use | 9 | 151 | 576 | 889 |
| 629 | Reading | 5 | 149 | 466 | 410 |
| 629 | finance | 10 | 149 | 1340 | 1518 |
| 631 | Developmental Genetics | 3 | 148 | 411 | 488 |
| 632 | Hospitals | 2 | 147 | 387 | 190 |
| 632 | Bones | 5 | 147 | 514 | 655 |
| 634 | biocatalysis | 1 | 146 | 301 | 347 |
| 634 | Homogeneous catalysis | 1 | 146 | 301 | 347 |
| 634 | Heterogeneous catalysis | 1 | 146 | 301 | 347 |
| 637 | Psychopharmacology | 6 | 145 | 895 | 1071 |
| 637 | Uncertainty | 3 | 145 | 166 | 128 |
| 639 | Law | 12 | 142 | 578 | 448 |
| 639 | commerce | 5 | 142 | 1191 | 1099 |
| 641 | Public Administration | 7 | 141 | 865 | 821 |
| 641 | Mental Health Services | 6 | 141 | 714 | 750 |
| 641 | Gerontology | 19 | 141 | 638 | 1083 |
| 641 | Stem cells | 6 | 141 | 824 | 988 |
| 641 | Marriage counseling | 3 | 141 | 301 | 227 |
| 646 | Clinical Psychology | 10 | 139 | 609 | 922 |
| 646 | Cosmology | 6 | 139 | 434 | 465 |
| 646 | Evolutionary Genetics | 1 | 139 | 1130 | 448 |
| 646 | Molecular Epidemiology | 1 | 139 | 1130 | 448 |
| 646 | forest policy | 8 | 139 | 163 | 221 |
| 651 | Information Systems | 12 | 138 | 588 | 1024 |
| 651 | Population | 9 | 138 | 439 | 678 |
| 653 | Cement | 3 | 136 | 562 | 667 |
| 653 | natural disasters | 7 | 136 | 772 | 1025 |
| 655 | Orthopedics | 2 | 135 | 1352 | 918 |
| 655 | Organometallic chemistry | 6 | 135 | 1599 | 1415 |
| 655 | Zeolites | 5 | 135 | 716 | 894 |
| 655 | Japan | 8 | 135 | 997 | 1047 |
| 659 | Ecohydrology | 7 | 134 | 150 | 220 |
| 660 | rural health | 11 | 133 | 63 | 120 |
| 660 | Phylogeny | 4 | 133 | 739 | 860 |
| 662 | Civil Engineering | 8 | 132 | 883 | 696 |
| 662 | nuclear astrophysics | 3 | 132 | 500 | 396 |
| 662 | Law and Economics | 7 | 132 | 156 | 136 |
| 662 | Recombinant DNA | 8 | 132 | 862 | 1077 |
| 666 | arthritis | 3 | 131 | 848 | 892 |
| 667 | Marine resources | 2 | 130 | 812 | 514 |
| 667 | Transplantation | 4 | 130 | 684 | 743 |
| 669 | Fluid Dynamics | 7 | 128 | 697 | 806 |
| 669 | environmental remediation | 4 | 128 | 249 | 215 |
| 669 | behavior modification | 2 | 128 | 447 | 412 |
| 669 | child behavior | 2 | 128 | 466 | 358 |
| 669 | children | 2 | 128 | 587 | 393 |
| 674 | Coastal zone management | 1 | 127 | 1079 | 520 |
| 675 | Heat Exchangers | 3 | 126 | 1236 | 1209 |
| 675 | Cognitive neuroscience | 5 | 126 | 710 | 867 |
| 675 | behavior therapy | 5 | 126 | 596 | 635 |
| 678 | Health Services Research | 6 | 125 | 970 | 1016 |
| 678 | intergroup relations | 2 | 125 | 242 | 175 |
| 680 | Horticulture | 7 | 124 | 428 | 475 |
| 681 | Systems Engineering | 3 | 123 | 2147 | 1606 |
| 681 | agricultural productivity | 2 | 123 | 83 | 43 |
| 683 | Differential Equations | 16 | 122 | 398 | 677 |
| 683 | Gene expression regulation | 3 | 122 | 859 | 740 |
| 683 | Genetic regulation | 3 | 122 | 950 | 902 |
| 686 | Pharmaceutical Technology | 2 | 121 | 1658 | 1276 |
| 686 | Orthopedic Surgery | 1 | 121 | 1008 | 501 |
| 686 | catalytic activity | 2 | 121 | 775 | 623 |
| 689 | Physical Geography | 11 | 120 | 171 | 365 |
| 689 | Environmental Geology | 10 | 120 | 848 | 1335 |
| 689 | Combustion | 6 | 120 | 859 | 988 |
| 689 | ethnicity | 7 | 120 | 396 | 358 |
| 689 | preventive medicine | 7 | 120 | 657 | 913 |
| 689 | Soil biology | 8 | 120 | 544 | 948 |
| 689 | biomimicry | 5 | 120 | 113 | 149 |
| 689 | rehabilitation | 8 | 120 | 1204 | 1570 |
| 689 | Soil ecology | 6 | 120 | 497 | 746 |
| 698 | International Finance | 5 | 119 | 1326 | 1371 |
| 698 | association | 6 | 119 | 27 | 64 |
| 698 | brewing | 8 | 119 | 75 | 97 |
| 698 | Jurisprudence | 6 | 119 | 623 | 589 |
| 698 | Organizations | 6 | 119 | 35 | 66 |
| 703 | Urology | 3 | 118 | 1120 | 988 |
| 703 | Biochemical Genetics | 7 | 118 | 193 | 167 |
| 703 | Sleep Disorders | 35 | 118 | 344 | 1013 |
| 706 | energy development | 2 | 117 | 1096 | 824 |
| 706 | violence | 7 | 117 | 593 | 797 |
| 708 | Gender Studies | 2 | 116 | 680 | 400 |
| 708 | Queer Studies | 2 | 116 | 401 | 258 |
| 708 | Adult Education | 8 | 116 | 290 | 317 |
| 708 | Mental Disorders | 9 | 116 | 1380 | 1955 |
| 708 | homosexuality | 2 | 116 | 519 | 321 |
| 708 | Vision | 5 | 116 | 495 | 580 |
| 708 | adulthood | 6 | 116 | 34 | 64 |
| 715 | toxicity testing | 2 | 115 | 763 | 495 |
| 715 | North America | 7 | 115 | 440 | 506 |
| 715 | Biomass | 3 | 115 | 690 | 740 |
| 718 | Clinical Immunology | 2 | 114 | 992 | 829 |
| 718 | environmental indicators | 7 | 114 | 717 | 1218 |
| 718 | bioclimatology | 16 | 114 | 228 | 748 |
| 718 | Developmental Immunology | 2 | 114 | 701 | 576 |
| 718 | Transport | 1 | 114 | 928 | 535 |
| 718 | Drug discovery | 3 | 114 | 207 | 179 |
| 724 | supercritical fluids | 2 | 113 | 492 | 400 |
| 724 | bees | 4 | 113 | 334 | 287 |
| 726 | Literacy | 4 | 112 | 263 | 191 |
| 727 | locomotion | 6 | 111 | 419 | 546 |
| 727 | posture | 6 | 111 | 419 | 546 |
| 727 | gait | 6 | 111 | 419 | 546 |
| 727 | walking | 6 | 111 | 419 | 546 |
| 731 | Developmental Neurobiology | 4 | 110 | 438 | 396 |
| 731 | Speech Disorders | 7 | 110 | 661 | 770 |
| 733 | actuators | 4 | 109 | 1835 | 1996 |
| 733 | transducers | 4 | 109 | 1835 | 1996 |
| 735 | Photobiology | 2 | 108 | 1626 | 1185 |
| 735 | Africa | 7 | 108 | 942 | 849 |
| 735 | livestock | 28 | 108 | 80 | 320 |
| 735 | Southern states | 7 | 108 | 127 | 108 |
| 739 | Consumer Protection | 2 | 107 | 240 | 168 |
| 739 | Consumer education | 2 | 107 | 475 | 384 |
| 739 | consumers | 2 | 107 | 487 | 340 |
| 739 | technical education | 11 | 107 | 257 | 489 |
| 743 | Emerging infectious diseases | 2 | 106 | 375 | 295 |
| 743 | China | 13 | 106 | 1321 | 2110 |
| 743 | body temperature | 11 | 106 | 135 | 394 |
| 743 | gastrointestinal tract | 3 | 106 | 303 | 441 |
| 747 | Cybernetics | 6 | 105 | 1108 | 1366 |
| 748 | Clinical Trials | 8 | 104 | 221 | 316 |
| 748 | Politics | 16 | 104 | 167 | 354 |
| 748 | phase diagrams | 4 | 104 | 112 | 85 |
| 748 | government | 16 | 104 | 193 | 397 |
| 748 | Computer Literacy | 3 | 104 | 198 | 198 |
| 753 | Engineering Mathematics | 13 | 103 | 840 | 1236 |
| 753 | Lipid metabolism | 1 | 103 | 674 | 455 |
| 753 | Fiber Optics | 6 | 103 | 644 | 740 |
| 753 | biological factors | 7 | 103 | 1229 | 1572 |
| 753 | Lipid | 1 | 103 | 676 | 456 |
| 758 | Religion | 5 | 102 | 694 | 337 |
| 758 | Radiation | 7 | 102 | 1370 | 1494 |
| 758 | Microwaves | 3 | 102 | 1232 | 893 |
| 761 | peptides | 8 | 101 | 383 | 566 |
| 761 | humanistic psychology | 2 | 101 | 111 | 58 |
| 763 | Ichthyology | 12 | 100 | 114 | 241 |
| 763 | Fertilizers | 5 | 100 | 235 | 319 |
| 763 | environmental issues | 3 | 100 | 398 | 430 |
| 763 | Fish | 12 | 100 | 84 | 213 |
| 767 | Psychiatric Nursing | 5 | 99 | 499 | 496 |
| 767 | weather | 4 | 99 | 445 | 532 |
| 767 | sex crimes | 5 | 99 | 460 | 545 |
| 770 | Nephrology | 3 | 98 | 432 | 543 |
| 770 | Molecular cloning | 7 | 98 | 874 | 1170 |
| 770 | Genetic recombination | 7 | 98 | 861 | 1159 |
| 770 | Approximation Theory | 13 | 98 | 155 | 263 |
| 770 | Kidney diseases | 3 | 98 | 783 | 720 |
| 775 | scientific societies | 4 | 97 | 552 | 608 |
| 776 | sex differences | 1 | 96 | 274 | 152 |
| 777 | Nuclear Chemistry | 6 | 95 | 734 | 658 |
| 777 | Semiconductors | 5 | 95 | 1721 | 1597 |
| 777 | Knowledge | 6 | 95 | 342 | 303 |
| 777 | biological agents | 1 | 95 | 1206 | 148 |
| 781 | Plant Genetics | 4 | 93 | 550 | 767 |
| 781 | Magnetic Materials | 3 | 93 | 1451 | 1316 |
| 781 | starch | 8 | 93 | 139 | 293 |
| 781 | Reservoirs | 4 | 93 | 116 | 94 |
| 781 | Yeast | 4 | 93 | 338 | 438 |
| 786 | Post-traumatic stress disorder | 4 | 92 | 608 | 750 |
| 787 | Traffic Engineering | 4 | 91 | 334 | 465 |
| 787 | Language Disorders | 5 | 91 | 635 | 675 |
| 787 | Mobile Computing | 2 | 91 | 1286 | 925 |
| 787 | Highway Engineering | 4 | 91 | 315 | 300 |
| 787 | deviant behavior | 7 | 91 | 173 | 234 |
| 792 | Biosensors | 2 | 90 | 1394 | 1582 |
| 792 | Palliative Care | 9 | 90 | 376 | 562 |
| 792 | Energy Harvesting | 2 | 90 | 503 | 656 |
| 792 | feeding behavior | 5 | 90 | 517 | 771 |
| 796 | Animal Nutrition | 6 | 89 | 363 | 472 |
| 796 | Molecules | 4 | 89 | 1329 | 1075 |
| 796 | Communication in medicine | 4 | 89 | 427 | 461 |
| 796 | drug abuse | 10 | 89 | 265 | 515 |
| 796 | drugs | 6 | 89 | 1297 | 1631 |
| 801 | Engineering Geology | 7 | 88 | 894 | 1273 |
| 802 | Operations Research | 3 | 87 | 2054 | 1836 |
| 803 | Telecommunication Systems | 1 | 86 | 2325 | 1280 |
| 803 | Drug design | 6 | 86 | 1002 | 1423 |
| 803 | health and race | 3 | 86 | 176 | 179 |
| 803 | ethnic groups | 3 | 86 | 332 | 300 |
| 803 | hygiene | 3 | 86 | 489 | 465 |
| 808 | Nonverbal Communication | 1 | 85 | 371 | 282 |
| 808 | Body language | 1 | 85 | 244 | 193 |
| 808 | Mineral resources | 1 | 85 | 1189 | 783 |
| 808 | Bioelectronics | 1 | 85 | 1556 | 1489 |
| 812 | Crisis management | 2 | 84 | 184 | 127 |
| 813 | Immunochemistry | 7 | 83 | 560 | 842 |
| 813 | Radiation effects | 5 | 83 | 430 | 766 |
| 815 | pain | 6 | 82 | 796 | 1154 |
| 816 | Mathematics Education | 8 | 81 | 234 | 337 |
| 816 | Nanomedicine | 25 | 81 | 3 | 331 |
| 816 | Logistics | 1 | 81 | 1008 | 699 |
| 816 | Fluorescence spectroscopy | 2 | 81 | 271 | 197 |
| 816 | Imaging systems | 1 | 81 | 1417 | 523 |
| 821 | Risk assessment | 8 | 80 | 250 | 525 |
| 821 | Primary health care | 4 | 80 | 1290 | 1361 |
| 821 | international trade | 3 | 80 | 751 | 620 |
| 821 | Diabetes | 3 | 80 | 1554 | 1692 |
| 825 | Appetite | 3 | 79 | 609 | 747 |
| 826 | Consciousness | 5 | 78 | 356 | 452 |
| 827 | Hydrometeorology | 3 | 77 | 190 | 296 |
| 827 | Geodynamics | 4 | 77 | 731 | 856 |
| 829 | Hypertension | 3 | 76 | 1085 | 1322 |
| 830 | Information Technology | 4 | 75 | 2153 | 2247 |
| 830 | Computer Vision | 2 | 75 | 1319 | 1197 |
| 830 | Origin of life | 3 | 75 | 122 | 138 |
| 830 | mutation | 1 | 75 | 831 | 667 |
| 830 | Chromosomes | 1 | 75 | 1221 | 953 |
| 830 | Organelle biogenesis | 3 | 75 | 203 | 220 |
| 836 | Radioisotopes | 8 | 74 | 605 | 790 |
| 836 | Health Risk Assessment | 7 | 74 | 167 | 425 |
| 838 | Enzyme | 1 | 73 | 891 | 734 |
| 839 | Computer Graphics | 4 | 72 | 1477 | 1536 |
| 839 | Eating Disorders | 5 | 72 | 584 | 809 |
| 839 | Feeding and Eating Disorders | 5 | 72 | 558 | 787 |
| 839 | plant viruses | 2 | 72 | 232 | 247 |
| 839 | Liver diseases | 3 | 72 | 1011 | 1239 |
| 844 | Psychometrics | 6 | 71 | 300 | 447 |
| 844 | hospice care | 7 | 71 | 275 | 451 |
| 844 | Child welfare | 7 | 71 | 644 | 972 |
| 844 | Climate | 4 | 71 | 462 | 687 |
| 844 | mathematical analysis | 14 | 71 | 1333 | 1777 |
| 849 | Alternative Medicine | 5 | 70 | 1074 | 1615 |
| 849 | Body Image | 2 | 70 | 281 | 351 |
| 849 | libraries | 12 | 70 | 188 | 430 |
| 852 | Music | 10 | 69 | 407 | 648 |
| 852 | Microbial Biotechnology | 7 | 69 | 533 | 1182 |
| 852 | Tropical Medicine | 3 | 69 | 1573 | 1494 |
| 852 | amino acids | 3 | 69 | 563 | 697 |
| 856 | Psychosomatic Medicine | 2 | 68 | 803 | 818 |
| 856 | Coatings | 1 | 68 | 99 | 16 |
| 856 | Social work | 16 | 68 | 547 | 1099 |
| 856 | Paint | 1 | 68 | 59 | 16 |
| 860 | Educational Sociology | 1 | 67 | 709 | 367 |
| 860 | Neural circuitry | 15 | 67 | 843 | 2221 |
| 860 | Neuromuscular diseases | 2 | 67 | 631 | 616 |
| 860 | Muscles | 2 | 67 | 833 | 886 |
| 864 | Dendrochronology | 3 | 66 | 26 | 21 |
| 864 | food technology | 9 | 66 | 1436 | 2606 |
| 864 | Classification | 1 | 66 | 553 | 265 |
| 864 | primary prevention | 4 | 66 | 292 | 447 |
| 864 | Relationships | 1 | 66 | 297 | 244 |
| 864 | chronic disease | 4 | 66 | 214 | 299 |
| 864 | Student Health Services | 7 | 66 | 159 | 323 |
| 864 | Soviet Union | 6 | 66 | 390 | 346 |
| 864 | Women's health | 4 | 66 | 986 | 1147 |
| 873 | Food Safety | 2 | 65 | 373 | 269 |
| 873 | Volcanoes | 5 | 65 | 203 | 359 |
| 875 | Hydrogeology | 2 | 64 | 798 | 729 |
| 875 | Electrophoresis | 3 | 64 | 1481 | 1561 |
| 875 | Multivariate Analysis | 6 | 64 | 373 | 535 |
| 875 | Multiphase Flow | 7 | 64 | 219 | 480 |
| 875 | Crystallography | 10 | 64 | 951 | 1016 |
| 875 | Fuzzy systems | 5 | 64 | 1352 | 1440 |
| 875 | police | 2 | 64 | 468 | 297 |
| 882 | Human-Computer Interaction | 6 | 63 | 1047 | 1640 |
| 882 | child mental health | 4 | 63 | 388 | 483 |
| 882 | Insect biochemistry | 3 | 63 | 448 | 586 |
| 885 | Astrocytes | 2 | 62 | 487 | 664 |
| 885 | Law enforcement | 1 | 62 | 177 | 125 |
| 887 | Medical Oncology | 2 | 61 | 1446 | 1506 |
| 887 | complementary therapies | 5 | 61 | 1250 | 1801 |
| 887 | calcification | 2 | 61 | 552 | 592 |
| 887 | Arthropods | 7 | 61 | 82 | 208 |
| 887 | crops | 19 | 61 | 6 | 127 |
| 887 | Speech | 7 | 61 | 586 | 977 |
| 893 | cell movement | 2 | 60 | 298 | 367 |
| 893 | Cerebral cortex | 2 | 60 | 927 | 1021 |
| 895 | Neuropsychiatry | 2 | 59 | 851 | 842 |
| 895 | Cognitive Science | 6 | 59 | 1059 | 1815 |
| 895 | Environmental risk assessment | 1 | 59 | 751 | 438 |
| 895 | environmental control | 1 | 59 | 361 | 269 |
| 895 | food industry | 1 | 59 | 1408 | 803 |
| 900 | Special Education | 5 | 58 | 594 | 702 |
| 900 | Multicultural Education | 6 | 58 | 227 | 375 |
| 900 | dietary supplements | 4 | 58 | 717 | 1135 |
| 900 | clay | 4 | 58 | 684 | 1169 |
| 900 | Culture | 2 | 58 | 1280 | 866 |
| 900 | Suicide | 5 | 58 | 376 | 595 |
| 906 | Computer Science | 3 | 57 | 2065 | 1860 |
| 906 | Rheology | 7 | 57 | 330 | 622 |
| 906 | Pest control | 1 | 57 | 269 | 114 |
| 906 | Corporate governance | 2 | 57 | 787 | 828 |
| 906 | Radio wave propagation | 4 | 57 | 603 | 666 |
| 911 | Material Culture | 3 | 56 | 117 | 109 |
| 911 | Metabolic diseases | 3 | 56 | 1611 | 1998 |
| 911 | Genetic algorithms | 1 | 56 | 547 | 537 |
| 911 | Evolutionary Computation | 1 | 56 | 840 | 764 |
| 911 | microwave communication systems | 1 | 56 | 608 | 428 |
| 911 | Microwave devices | 1 | 56 | 705 | 485 |
| 917 | Physical Therapy | 5 | 55 | 899 | 1318 |
| 917 | Divorce | 6 | 55 | 71 | 129 |
| 917 | Multiculturalism | 5 | 55 | 40 | 60 |
| 920 | Positive Psychology | 3 | 54 | 145 | 313 |
| 920 | gene therapy | 3 | 54 | 817 | 1069 |
| 920 | curriculum planning | 1 | 54 | 310 | 176 |
| 920 | Genetic therapy | 3 | 54 | 834 | 1073 |
| 924 | Comparative Physiology | 3 | 53 | 739 | 941 |
| 924 | Cognitive Therapy | 3 | 53 | 606 | 701 |
| 924 | ecological risk assessment | 6 | 53 | 71 | 336 |
| 924 | sadness | 4 | 53 | 169 | 247 |
| 924 | Outdoor recreation | 3 | 53 | 83 | 131 |
| 924 | cell interaction | 4 | 53 | 806 | 1272 |
| 924 | ecotourism | 3 | 53 | 244 | 413 |
| 924 | death | 4 | 53 | 250 | 297 |
| 924 | antisocial personality disorder | 4 | 53 | 169 | 247 |
| 933 | Geotechnical Engineering | 5 | 52 | 338 | 526 |
| 933 | Immunopathology | 1 | 52 | 1334 | 1169 |
| 933 | speech therapy | 3 | 52 | 378 | 416 |
| 933 | Communication Disorders | 3 | 52 | 303 | 318 |
| 933 | Heterocyclic compounds | 5 | 52 | 778 | 883 |
| 933 | Mental Health Counseling | 1 | 52 | 163 | 92 |
| 933 | traffic safety | 3 | 52 | 279 | 329 |
| 933 | Investments | 2 | 52 | 713 | 572 |
| 941 | Structural Engineering | 3 | 51 | 1496 | 1623 |
| 941 | Plant hormones | 3 | 51 | 299 | 489 |
| 941 | hazard mitigation | 2 | 51 | 1174 | 1239 |
| 941 | Chemical analysis | 4 | 51 | 943 | 1325 |
| 941 | Electromagnetic fields | 2 | 51 | 514 | 217 |
| 941 | land | 5 | 51 | 21 | 28 |
| 941 | Chemical industry | 3 | 51 | 1258 | 1308 |
| 941 | Bacterial diseases | 5 | 51 | 137 | 413 |
| 941 | language | 3 | 51 | 794 | 975 |
| 950 | Artificial Intelligence | 7 | 50 | 2497 | 3530 |
| 950 | Organizational Sociology | 2 | 50 | 464 | 461 |
| 950 | Oxidative stress | 1 | 50 | 1271 | 1391 |
| 950 | Fracture mechanics | 2 | 50 | 1496 | 1462 |
| 950 | Asia | 7 | 50 | 1824 | 2592 |
| 950 | Catalysts | 1 | 50 | 1130 | 823 |
| 956 | Neurolinguistics | 1 | 49 | 673 | 616 |
| 956 | Entropy | 7 | 49 | 698 | 1202 |
| 956 | Scanning electron microscopy | 2 | 49 | 178 | 166 |
| 959 | Optical Communications | 5 | 48 | 568 | 799 |
| 959 | Hallucinogens | 4 | 48 | 123 | 259 |
| 959 | child abuse | 4 | 48 | 663 | 1049 |
| 962 | Mortgages | 2 | 47 | 255 | 269 |
| 962 | magnetic resonance | 7 | 47 | 323 | 546 |
| 964 | Epigenetics | 2 | 46 | 279 | 310 |
| 964 | Environmental Psychology | 3 | 46 | 355 | 690 |
| 964 | Immunogenetics | 3 | 46 | 558 | 686 |
| 964 | Epigenomics | 2 | 46 | 275 | 304 |
| 964 | Action Research | 3 | 46 | 243 | 262 |
| 964 | drug control | 1 | 46 | 549 | 454 |
| 970 | Computer Engineering | 8 | 45 | 471 | 1166 |
| 970 | Fermentation | 3 | 45 | 225 | 297 |
| 970 | Cardiovascular system | 2 | 45 | 1158 | 1469 |
| 970 | Renaissance | 2 | 45 | 285 | 86 |
| 974 | Criminal psychology | 5 | 44 | 576 | 823 |
| 974 | women's rights | 1 | 44 | 295 | 208 |
| 974 | Interferons | 2 | 44 | 331 | 398 |
| 974 | Elderly | 15 | 44 | 468 | 888 |
| 974 | reasoning | 4 | 44 | 326 | 516 |
| 974 | Cytokine | 2 | 44 | 465 | 664 |
| 980 | Criminology | 5 | 43 | 721 | 948 |
| 980 | Stochastic Processes | 3 | 43 | 942 | 988 |
| 980 | emergency management | 5 | 43 | 477 | 934 |
| 980 | dual diagnosis | 2 | 43 | 123 | 87 |
| 980 | Hematopoietic stem cell transplantation | 1 | 43 | 634 | 632 |
| 980 | Electromagnetic waves | 2 | 43 | 406 | 380 |
| 980 | visualization | 11 | 43 | 661 | 1018 |
| 980 | extraterrestrial environment | 2 | 43 | 710 | 666 |
| 980 | astronomical phenomena | 2 | 43 | 644 | 627 |
| 989 | Aerospace Engineering | 4 | 42 | 206 | 225 |
| 989 | Industrial Safety | 4 | 42 | 1008 | 1416 |
| 989 | optical instruments | 4 | 42 | 270 | 381 |
| 989 | health planning | 8 | 42 | 1331 | 2364 |
| 993 | Soil Mechanics | 5 | 41 | 807 | 1253 |
| 993 | Enteral nutrition | 1 | 41 | 1069 | 1085 |
| 993 | Parenteral nutrition | 1 | 41 | 1210 | 1184 |
| 993 | psychophysics | 3 | 41 | 354 | 415 |
| 993 | Computational Complexity | 33 | 41 | 90 | 1131 |
| 993 | Great Lakes | 3 | 41 | 208 | 314 |
| 993 | disease vectors | 3 | 41 | 889 | 1257 |
| 993 | women | 3 | 41 | 895 | 826 |