| 1 | Medicine | 1,614 | 60.9K | 169 | 244 |
| 2 | Science | 1,125 | 46.9K | 281 | 496 |
| 3 | Microbiology | 745 | 37.0K | 201 | 256 |
| 4 | Biology | 640 | 36.2K | 448 | 606 |
| 5 | Biochemistry | 1,111 | 31.8K | 337 | 450 |
| 6 | Research | 1,055 | 26.2K | 193 | 322 |
| 7 | Public Health | 766 | 23.1K | 108 | 163 |
| 8 | Physics | 227 | 19.6K | 1211 | 1008 |
| 9 | Molecular Biology | 546 | 18.1K | 455 | 632 |
| 10 | Chemistry | 535 | 15.6K | 721 | 922 |
| 11 | Virology | 303 | 15.4K | 154 | 292 |
| 12 | Malaria | 417 | 15.2K | 3 | 3 |
| 13 | Pharmacology | 473 | 14.6K | 241 | 269 |
| 14 | Biotechnology | 378 | 13.0K | 258 | 435 |
| 15 | Immunology | 221 | 12.7K | 358 | 344 |
| 16 | Natural history | 33 | 11.4K | 1039 | 780 |
| 17 | United States | 67 | 11.1K | 873 | 238 |
| 18 | Parasitology | 414 | 10.8K | 26 | 38 |
| 19 | Long-Term Care | 3 | 9.2K | 505 | 11 |
| 19 | Long-term care facilities | 3 | 9.2K | 497 | 11 |
| 21 | Polymers | 326 | 9.0K | 308 | 342 |
| 22 | Human genetics | 72 | 8.9K | 373 | 508 |
| 23 | Tropical Medicine | 318 | 8.8K | 15 | 9 |
| 24 | Medical Microbiology | 155 | 8.6K | 127 | 139 |
| 25 | Ecology | 262 | 8.5K | 520 | 747 |
| 26 | Biophysics | 351 | 8.3K | 399 | 535 |
| 27 | Immunity | 71 | 8.1K | 280 | 260 |
| 28 | polymerization | 280 | 7.9K | 258 | 295 |
| 29 | Epidemiology | 208 | 7.7K | 241 | 244 |
| 30 | Parasitic Diseases | 261 | 7.6K | 30 | 62 |
| 31 | Pharmaceutical Chemistry | 174 | 7.4K | 330 | 293 |
| 32 | Diagnostic microbiology | 105 | 7.3K | 69 | 81 |
| 33 | Nutrition | 269 | 7.0K | 209 | 356 |
| 34 | Surgery | 45 | 6.3K | 368 | 244 |
| 35 | Analytical Chemistry | 246 | 6.3K | 294 | 409 |
| 36 | viruses | 65 | 6.3K | 237 | 160 |
| 37 | Hematology | 221 | 6.3K | 280 | 380 |
| 38 | Cytology | 164 | 6.1K | 489 | 730 |
| 39 | Neurology | 221 | 6.1K | 590 | 813 |
| 40 | Pollution | 124 | 5.9K | 700 | 748 |
| 41 | Biomedical Engineering | 244 | 5.8K | 285 | 444 |
| 42 | Environment | 131 | 5.8K | 592 | 792 |
| 43 | Cell Biology | 146 | 5.7K | 479 | 756 |
| 44 | Toxicology | 191 | 5.6K | 369 | 459 |
| 45 | Astrophysics | 83 | 5.6K | 712 | 648 |
| 46 | Pharmacognosy | 133 | 5.5K | 62 | 48 |
| 47 | Bioengineering | 161 | 5.4K | 346 | 574 |
| 48 | Parasites | 209 | 5.2K | 27 | 37 |
| 49 | Genetics | 117 | 5.1K | 459 | 619 |
| 50 | drug therapy | 144 | 5.1K | 158 | 171 |
| 51 | Spectrum analysis | 111 | 5.0K | 593 | 582 |
| 52 | Aquaculture | 150 | 4.9K | 68 | 62 |
| 53 | Colloids | 112 | 4.9K | 547 | 467 |
| 54 | Dermatology | 212 | 4.9K | 73 | 123 |
| 55 | Vaccines | 175 | 4.8K | 57 | 90 |
| 56 | Botany | 151 | 4.7K | 507 | 606 |
| 57 | Critical Care | 60 | 4.5K | 210 | 212 |
| 58 | environmental pollution | 87 | 4.4K | 664 | 554 |
| 59 | Host-parasite interactions | 61 | 4.4K | 132 | 173 |
| 60 | Critical Care Medicine | 54 | 4.3K | 228 | 215 |
| 61 | Clinical Chemistry | 101 | 4.3K | 323 | 290 |
| 62 | Asia | 348 | 4.3K | 25 | 46 |
| 63 | Allergy | 66 | 4.1K | 135 | 214 |
| 64 | Ethnology | 149 | 4.0K | 48 | 19 |
| 65 | drugs | 101 | 4.0K | 137 | 107 |
| 66 | Liver diseases | 60 | 3.9K | 209 | 265 |
| 67 | Environmental Health | 146 | 3.8K | 515 | 797 |
| 68 | Clinical Immunology | 60 | 3.7K | 116 | 49 |
| 69 | Virulence | 45 | 3.7K | 178 | 177 |
| 70 | Medicinal plants | 77 | 3.6K | 69 | 50 |
| 71 | Endocrinology | 136 | 3.6K | 330 | 559 |
| 72 | Physiology | 161 | 3.4K | 445 | 644 |
| 72 | Organic Chemistry | 103 | 3.4K | 433 | 389 |
| 74 | proteins | 111 | 3.4K | 138 | 199 |
| 75 | Immunotherapy | 60 | 3.4K | 222 | 261 |
| 76 | Surface Chemistry | 89 | 3.3K | 654 | 593 |
| 77 | Cancer | 124 | 3.2K | 452 | 704 |
| 78 | Bioorganic chemistry | 84 | 3.2K | 350 | 340 |
| 79 | Food | 121 | 3.1K | 224 | 349 |
| 80 | Clinical Pharmacology | 89 | 3.0K | 82 | 69 |
| 81 | Developmental Immunology | 36 | 2.9K | 74 | 14 |
| 82 | Medical genetics | 88 | 2.8K | 447 | 669 |
| 83 | Microbial Ecology | 73 | 2.8K | 331 | 495 |
| 84 | Genomics | 85 | 2.8K | 402 | 468 |
| 85 | Biopharmaceutics | 44 | 2.7K | 114 | 51 |
| 86 | Alternative Medicine | 120 | 2.6K | 56 | 70 |
| 87 | Entomology | 64 | 2.6K | 381 | 193 |
| 88 | infection | 82 | 2.6K | 116 | 177 |
| 89 | Environmental monitoring | 69 | 2.6K | 541 | 645 |
| 90 | Chemical Engineering | 76 | 2.6K | 953 | 1045 |
| 91 | food technology | 85 | 2.5K | 269 | 305 |
| 92 | Psychiatry | 94 | 2.5K | 654 | 905 |
| 93 | Proteome | 56 | 2.5K | 110 | 131 |
| 94 | Biochemical Engineering | 60 | 2.4K | 601 | 930 |
| 95 | Nanotechnology | 90 | 2.4K | 1004 | 1214 |
| 96 | Immune system | 19 | 2.4K | 312 | 312 |
| 97 | Metabolism | 69 | 2.4K | 479 | 676 |
| 98 | complementary therapies | 113 | 2.4K | 73 | 82 |
| 99 | Metabolic diseases | 91 | 2.4K | 292 | 563 |
| 100 | Invertebrates | 55 | 2.4K | 29 | 15 |
| 101 | disease vectors | 88 | 2.3K | 31 | 57 |
| 102 | Japan | 108 | 2.3K | 117 | 94 |
| 103 | Psychology | 109 | 2.3K | 672 | 851 |
| 104 | Biomass Energy | 57 | 2.2K | 374 | 472 |
| 105 | Diet | 67 | 2.2K | 306 | 431 |
| 106 | Pharmacy | 65 | 2.2K | 262 | 236 |
| 107 | Industrial Microbiology | 65 | 2.2K | 156 | 251 |
| 108 | Astronomy | 15 | 2.1K | 1405 | 826 |
| 109 | Hypertension | 57 | 2.1K | 271 | 427 |
| 110 | Pediatrics | 108 | 2.1K | 234 | 478 |
| 111 | Evolutionary Genetics | 58 | 2.1K | 15 | 13 |
| 111 | Molecular Epidemiology | 58 | 2.1K | 15 | 13 |
| 113 | Infections | 47 | 2.0K | 133 | 173 |
| 114 | Obstetrics | 99 | 2.0K | 235 | 348 |
| 115 | Obesity | 36 | 1.9K | 453 | 393 |
| 116 | Neurochemistry | 65 | 1.9K | 424 | 550 |
| 116 | free radicals | 37 | 1.9K | 218 | 272 |
| 118 | Education | 67 | 1.9K | 652 | 484 |
| 119 | Brain | 54 | 1.9K | 588 | 625 |
| 120 | Therapeutics | 47 | 1.9K | 297 | 324 |
| 121 | natural products | 109 | 1.9K | 65 | 175 |
| 122 | Materials | 149 | 1.9K | 1001 | 1636 |
| 123 | Pharmaceutical Technology | 68 | 1.9K | 105 | 168 |
| 124 | Agricultural Chemistry | 59 | 1.8K | 342 | 394 |
| 125 | Food additives | 21 | 1.8K | 280 | 158 |
| 126 | actuators | 37 | 1.8K | 477 | 380 |
| 126 | transducers | 37 | 1.8K | 477 | 380 |
| 128 | Reproduction | 82 | 1.7K | 304 | 414 |
| 129 | Global Health | 96 | 1.7K | 31 | 49 |
| 130 | Geriatrics | 97 | 1.7K | 364 | 494 |
| 131 | Diabetes | 53 | 1.7K | 381 | 562 |
| 132 | Environmental Policy | 40 | 1.7K | 688 | 763 |
| 133 | Pathology | 58 | 1.7K | 431 | 546 |
| 133 | Biocompatible Materials | 48 | 1.7K | 1018 | 1192 |
| 135 | Technology | 101 | 1.6K | 467 | 718 |
| 136 | Stem cells | 94 | 1.6K | 114 | 347 |
| 137 | Sleep Disorders | 50 | 1.6K | 267 | 287 |
| 138 | drug resistance | 44 | 1.6K | 16 | 26 |
| 139 | Diabetes mellitus | 49 | 1.5K | 363 | 563 |
| 140 | biological factors | 79 | 1.5K | 101 | 286 |
| 141 | Sleep | 48 | 1.5K | 278 | 296 |
| 142 | Leukemia | 19 | 1.5K | 393 | 315 |
| 143 | Oncology | 37 | 1.5K | 497 | 995 |
| 144 | Primary health care | 77 | 1.5K | 160 | 224 |
| 145 | Medical innovations | 14 | 1.5K | 346 | 319 |
| 146 | Sociology | 57 | 1.5K | 507 | 529 |
| 147 | Molecular structure | 33 | 1.4K | 553 | 478 |
| 148 | Drug design | 38 | 1.4K | 231 | 254 |
| 148 | genome | 16 | 1.4K | 620 | 511 |
| 150 | Electrophoresis | 41 | 1.4K | 249 | 205 |
| 151 | gene mapping | 33 | 1.4K | 458 | 536 |
| 152 | drug development | 13 | 1.4K | 371 | 291 |
| 153 | Environmental Engineering | 66 | 1.4K | 617 | 1023 |
| 154 | United Kingdom | 54 | 1.4K | 247 | 390 |
| 155 | drug evaluation | 45 | 1.4K | 112 | 85 |
| 156 | Bacteriology | 27 | 1.4K | 580 | 574 |
| 157 | Rheumatology | 50 | 1.4K | 157 | 288 |
| 158 | Oxidative stress | 19 | 1.4K | 298 | 182 |
| 159 | Environmental Toxicology | 45 | 1.4K | 376 | 567 |
| 160 | Laser therapy | 92 | 1.4K | 4 | 4 |
| 161 | management | 50 | 1.4K | 730 | 910 |
| 162 | hydrocolloids | 11 | 1.4K | 257 | 167 |
| 163 | Bioinformatics | 39 | 1.4K | 451 | 544 |
| 164 | Attention | 33 | 1.3K | 420 | 343 |
| 165 | Visual Perception | 31 | 1.3K | 414 | 344 |
| 165 | Memory | 31 | 1.3K | 479 | 427 |
| 165 | Perception | 31 | 1.3K | 495 | 407 |
| 168 | Business | 19 | 1.3K | 785 | 567 |
| 169 | environmental protection | 42 | 1.3K | 705 | 845 |
| 170 | Bacterial infections | 36 | 1.3K | 96 | 248 |
| 171 | Ophthalmology | 44 | 1.3K | 369 | 398 |
| 172 | Biosensors | 20 | 1.3K | 371 | 341 |
| 172 | Infection control | 31 | 1.3K | 73 | 54 |
| 174 | Molecular Genetics | 32 | 1.3K | 478 | 544 |
| 175 | Microbial Biotechnology | 40 | 1.3K | 45 | 69 |
| 176 | Histology | 65 | 1.2K | 243 | 460 |
| 177 | Drug delivery systems | 66 | 1.2K | 92 | 335 |
| 178 | Antibacterial agents | 44 | 1.2K | 28 | 64 |
| 179 | Medical Oncology | 23 | 1.2K | 564 | 475 |
| 180 | Immunopathology | 32 | 1.2K | 298 | 281 |
| 181 | Insects | 24 | 1.2K | 406 | 229 |
| 182 | mycoses | 24 | 1.2K | 133 | 258 |
| 183 | Urology | 38 | 1.2K | 404 | 432 |
| 184 | Health Services Research | 57 | 1.2K | 226 | 288 |
| 184 | Pacific Islands | 84 | 1.2K | 4 | 3 |
| 186 | arthritis | 24 | 1.2K | 375 | 408 |
| 187 | Herbal medicine | 26 | 1.2K | 70 | 66 |
| 188 | Health | 69 | 1.2K | 260 | 420 |
| 189 | Travel | 78 | 1.2K | 37 | 73 |
| 190 | Genetic engineering | 43 | 1.1K | 360 | 598 |
| 191 | Medical Laboratory Science | 41 | 1.1K | 406 | 645 |
| 192 | Child | 88 | 1.1K | 254 | 489 |
| 193 | Catalysis | 42 | 1.1K | 1197 | 1394 |
| 194 | starch | 26 | 1.1K | 26 | 18 |
| 195 | Aging | 52 | 1.1K | 564 | 732 |
| 196 | Water pollution | 30 | 1.1K | 817 | 891 |
| 197 | Bioelectronics | 17 | 1.1K | 329 | 341 |
| 198 | Mycology | 48 | 1.1K | 263 | 380 |
| 199 | Developing countries | 57 | 1.1K | 273 | 426 |
| 200 | Geophysics | 26 | 1.1K | 1339 | 1164 |
| 201 | Neurophysiology | 26 | 1.1K | 988 | 1010 |
| 202 | Immunogenetics | 31 | 1.1K | 103 | 86 |
| 203 | Public Policy | 34 | 1.1K | 353 | 353 |
| 204 | Food Microbiology | 24 | 1.1K | 298 | 340 |
| 205 | Tourism | 32 | 1.1K | 304 | 403 |
| 206 | Mental Disorders | 38 | 1.0K | 748 | 999 |
| 207 | Chromatographic analysis | 44 | 1.0K | 286 | 260 |
| 208 | Health Policy | 63 | 1.0K | 321 | 483 |
| 209 | Marine Biology | 21 | 1.0K | 1004 | 756 |
| 210 | Adolescent | 73 | 1.0K | 225 | 424 |
| 211 | Computational Biology | 38 | 1.0K | 626 | 782 |
| 212 | Mathematics | 129 | 1.0K | 1096 | 1340 |
| 213 | Animal Behavior | 11 | 1.0K | 954 | 625 |
| 214 | Chromosome mapping | 28 | 998 | 466 | 557 |
| 215 | Cell differentiation | 22 | 958 | 602 | 727 |
| 216 | Oxidation-reduction | 13 | 952 | 275 | 296 |
| 217 | Genetic therapy | 21 | 946 | 327 | 306 |
| 218 | Nanostructures | 22 | 943 | 708 | 646 |
| 219 | rehabilitation | 59 | 942 | 305 | 543 |
| 220 | Chromatography | 34 | 935 | 296 | 243 |
| 221 | Medical Anthropology | 24 | 932 | 320 | 382 |
| 221 | Antigens | 28 | 932 | 176 | 180 |
| 223 | Disease | 5 | 926 | 208 | 363 |
| 224 | diseases | 4 | 922 | 243 | 367 |
| 225 | Chemical analysis | 29 | 911 | 191 | 179 |
| 226 | Ethology | 6 | 910 | 1017 | 570 |
| 227 | Orthopedics | 50 | 909 | 279 | 410 |
| 228 | Evidence-Based Medicine | 49 | 904 | 107 | 130 |
| 229 | Materials Science | 31 | 901 | 1678 | 1719 |
| 230 | Behavior | 32 | 899 | 857 | 1166 |
| 231 | Thrombosis | 38 | 898 | 165 | 297 |
| 232 | gene therapy | 19 | 893 | 308 | 336 |
| 233 | Environmental pollutants | 30 | 887 | 514 | 625 |
| 233 | medical education | 59 | 887 | 257 | 363 |
| 235 | pharmaceutical industry | 31 | 876 | 41 | 30 |
| 235 | enzymes | 29 | 876 | 341 | 400 |
| 237 | Smoking | 7 | 864 | 447 | 204 |
| 238 | Analytical Biochemistry | 40 | 858 | 247 | 408 |
| 239 | Economics | 35 | 856 | 1366 | 1141 |
| 239 | Recombinant DNA | 30 | 856 | 290 | 359 |
| 241 | Social Sciences | 116 | 844 | 320 | 645 |
| 242 | Environmental Management | 21 | 836 | 1008 | 1135 |
| 243 | Plant physiology | 23 | 830 | 757 | 860 |
| 244 | Proteomics | 25 | 824 | 212 | 303 |
| 245 | Breeding | 32 | 815 | 277 | 318 |
| 246 | Dentistry | 42 | 802 | 76 | 81 |
| 247 | Molecular cloning | 27 | 799 | 300 | 353 |
| 247 | Genetic recombination | 27 | 799 | 285 | 347 |
| 249 | Genetic regulation | 35 | 788 | 189 | 476 |
| 250 | Molecular ecology | 17 | 781 | 420 | 489 |
| 251 | Medical Ethics | 27 | 779 | 260 | 148 |
| 252 | Physical Therapy | 34 | 763 | 261 | 386 |
| 253 | Nuclear Physics | 42 | 760 | 1514 | 1598 |
| 254 | Biometrics | 10 | 758 | 575 | 283 |
| 255 | Anatomy | 48 | 753 | 380 | 633 |
| 255 | environmental remediation | 27 | 753 | 6 | 13 |
| 257 | Statistics | 16 | 745 | 1216 | 718 |
| 257 | Physical organic chemistry | 32 | 745 | 269 | 307 |
| 259 | Hemostasis | 29 | 744 | 109 | 104 |
| 259 | Gastrointestinal diseases | 33 | 744 | 50 | 64 |
| 261 | Kidney diseases | 31 | 741 | 159 | 225 |
| 262 | Planets | 17 | 734 | 690 | 735 |
| 263 | Embryology | 26 | 723 | 498 | 685 |
| 264 | Evolution | 30 | 722 | 528 | 764 |
| 265 | finance | 21 | 719 | 796 | 631 |
| 266 | Biodiversity conservation | 13 | 711 | 777 | 919 |
| 267 | Sustainable Development | 23 | 710 | 471 | 603 |
| 268 | Climate change | 7 | 706 | 669 | 783 |
| 269 | Phytochemistry | 25 | 701 | 6 | 10 |
| 269 | Phytoremediation | 25 | 701 | 6 | 10 |
| 269 | Bioreactors | 25 | 701 | 6 | 10 |
| 272 | cytokines | 26 | 697 | 287 | 412 |
| 273 | protein | 35 | 692 | 235 | 396 |
| 274 | Population Genetics | 15 | 686 | 519 | 517 |
| 275 | Plant cells | 2 | 681 | 1224 | 718 |
| 276 | Cardiovascular diseases | 43 | 680 | 311 | 491 |
| 277 | Health promotion | 27 | 675 | 337 | 402 |
| 278 | Quality of life | 22 | 673 | 361 | 454 |
| 279 | Solid State Physics | 46 | 669 | 1218 | 1460 |
| 280 | marketing | 36 | 663 | 401 | 685 |
| 281 | Molecular evolution | 19 | 660 | 508 | 597 |
| 282 | Animal ecology | 19 | 656 | 429 | 385 |
| 283 | Condensed Matter | 63 | 654 | 939 | 1353 |
| 284 | Diagnostic Imaging | 48 | 650 | 354 | 660 |
| 285 | Ethics | 17 | 648 | 282 | 137 |
| 286 | Women's health | 34 | 633 | 189 | 251 |
| 287 | Meteorology | 11 | 629 | 1200 | 1017 |
| 287 | Educational Leadership | 5 | 629 | 99 | 4 |
| 287 | Hormones | 17 | 629 | 492 | 487 |
| 290 | Marine Pollution | 9 | 627 | 631 | 455 |
| 291 | Respiration | 34 | 623 | 336 | 550 |
| 291 | venom | 37 | 623 | 69 | 145 |
| 291 | Toxins | 37 | 623 | 78 | 165 |
| 294 | carcinogens | 12 | 619 | 399 | 361 |
| 295 | Contraception | 27 | 616 | 105 | 127 |
| 296 | Eutrophication | 4 | 612 | 861 | 825 |
| 296 | biological evolution | 19 | 612 | 768 | 993 |
| 298 | Cellular senescence | 13 | 608 | 230 | 241 |
| 299 | Primates | 25 | 601 | 167 | 188 |
| 300 | anesthesia | 37 | 598 | 29 | 17 |
| 301 | China | 29 | 596 | 799 | 804 |
| 302 | Engineering | 41 | 592 | 1112 | 1346 |
| 303 | Pharmacokinetics | 11 | 577 | 380 | 253 |
| 304 | Socioeconomic Factors | 32 | 575 | 77 | 172 |
| 304 | Agriculture | 59 | 575 | 307 | 723 |
| 306 | animal diseases | 30 | 573 | 71 | 93 |
| 307 | Quality Control | 27 | 570 | 352 | 479 |
| 308 | Cytogenetics | 18 | 567 | 537 | 800 |
| 309 | Emergency Medicine | 49 | 566 | 214 | 342 |
| 310 | Plastics | 45 | 565 | 232 | 433 |
| 311 | preventive medicine | 46 | 561 | 186 | 472 |
| 311 | India | 26 | 561 | 250 | 96 |
| 313 | Pregnancy | 31 | 558 | 108 | 197 |
| 314 | Clinical Biochemistry | 28 | 554 | 238 | 384 |
| 315 | Surface-Active Agents | 17 | 553 | 254 | 351 |
| 315 | Gene expression regulation | 28 | 553 | 177 | 426 |
| 315 | Surface properties | 17 | 553 | 292 | 391 |
| 318 | Zoonoses | 14 | 551 | 51 | 47 |
| 319 | Zoology | 26 | 548 | 877 | 814 |
| 319 | Radiobiology | 21 | 548 | 502 | 591 |
| 321 | Nursing | 31 | 547 | 395 | 376 |
| 322 | Cardiovascular system | 28 | 545 | 443 | 970 |
| 323 | Immunopharmacology | 22 | 544 | 206 | 279 |
| 324 | Carcinogenesis | 9 | 542 | 502 | 412 |
| 325 | Developmental Biology | 17 | 540 | 790 | 1058 |
| 326 | Plants | 29 | 539 | 611 | 983 |
| 327 | Hospitals | 16 | 532 | 189 | 162 |
| 328 | Information Science | 12 | 531 | 1212 | 920 |
| 329 | Cell division | 12 | 530 | 155 | 118 |
| 330 | Informatics | 14 | 527 | 287 | 266 |
| 331 | nanoscience | 28 | 525 | 999 | 1476 |
| 332 | Molecular Microbiology | 13 | 519 | 379 | 517 |
| 333 | Animal breeding | 27 | 512 | 202 | 222 |
| 334 | health behavior | 21 | 507 | 255 | 312 |
| 335 | environmental exposure | 18 | 506 | 599 | 743 |
| 335 | Nervous system | 24 | 506 | 767 | 1221 |
| 337 | health planning | 40 | 504 | 349 | 578 |
| 337 | hygiene | 11 | 504 | 167 | 90 |
| 339 | heredity | 20 | 502 | 147 | 152 |
| 340 | Hemophilia | 42 | 501 | 50 | 115 |
| 341 | Europe | 23 | 490 | 1080 | 1045 |
| 342 | Neuropsychology | 16 | 488 | 945 | 962 |
| 343 | Water | 16 | 487 | 1078 | 1406 |
| 344 | fertility | 12 | 484 | 456 | 501 |
| 345 | Renewable Energy Sources | 16 | 469 | 1066 | 1742 |
| 345 | Infertility | 10 | 469 | 477 | 484 |
| 347 | Nanostructured Materials | 30 | 467 | 1136 | 1577 |
| 348 | Photonics | 7 | 466 | 1358 | 982 |
| 349 | food handling | 16 | 463 | 205 | 311 |
| 350 | mutagens | 6 | 459 | 562 | 420 |
| 351 | Neurotoxicology | 14 | 457 | 127 | 176 |
| 352 | Photochemistry | 15 | 449 | 690 | 667 |
| 352 | plant molecular biology | 10 | 449 | 822 | 953 |
| 354 | System analysis | 13 | 445 | 1215 | 898 |
| 355 | Antiviral agents | 22 | 440 | 52 | 87 |
| 356 | health services accessibility | 44 | 439 | 94 | 291 |
| 357 | Environmental Microbiology | 22 | 437 | 368 | 782 |
| 358 | Demography | 17 | 436 | 197 | 249 |
| 359 | Medical Technology | 23 | 432 | 409 | 619 |
| 359 | Chemotherapy | 19 | 432 | 441 | 559 |
| 359 | Inflammation | 19 | 432 | 366 | 589 |
| 359 | Chronic diseases | 10 | 432 | 299 | 357 |
| 363 | transport vesicles | 4 | 430 | 166 | 281 |
| 364 | Bioremediation | 9 | 427 | 286 | 239 |
| 364 | Biodiversity | 30 | 427 | 572 | 1060 |
| 366 | Antioxidants | 14 | 424 | 227 | 462 |
| 367 | Oncogenes | 8 | 423 | 731 | 866 |
| 368 | Energy Conversion | 7 | 421 | 854 | 872 |
| 369 | biomedicine | 19 | 420 | 163 | 228 |
| 370 | Decision making | 15 | 413 | 515 | 528 |
| 371 | Orthopedic Surgery | 25 | 412 | 164 | 309 |
| 372 | Software Engineering | 13 | 411 | 505 | 413 |
| 373 | Health Services Administration | 17 | 409 | 283 | 330 |
| 373 | Steroids | 12 | 409 | 419 | 398 |
| 375 | Gerontology | 47 | 402 | 375 | 698 |
| 376 | world | 30 | 401 | 105 | 414 |
| 377 | coal | 12 | 399 | 759 | 896 |
| 378 | Systems Analysis | 7 | 398 | 687 | 301 |
| 379 | Music | 8 | 397 | 460 | 183 |
| 379 | voice | 8 | 397 | 217 | 105 |
| 381 | Nutrition physiology | 32 | 396 | 82 | 315 |
| 382 | Environmental Chemistry | 7 | 395 | 1463 | 1251 |
| 382 | Statistical physics | 46 | 395 | 1070 | 1612 |
| 384 | cell interaction | 17 | 394 | 390 | 598 |
| 385 | Cross-Cultural Studies | 23 | 393 | 77 | 151 |
| 386 | Water quality management | 23 | 392 | 539 | 676 |
| 387 | Signal Transduction | 17 | 391 | 519 | 873 |
| 387 | Multiple sclerosis | 22 | 391 | 100 | 93 |
| 389 | Lipids | 18 | 388 | 416 | 715 |
| 389 | Transplantation | 16 | 388 | 450 | 666 |
| 391 | Digestive system diseases | 15 | 387 | 361 | 395 |
| 392 | Educational Technology | 19 | 386 | 446 | 534 |
| 393 | Social Psychology | 18 | 380 | 782 | 1012 |
| 394 | Bioethics | 15 | 379 | 317 | 219 |
| 394 | Biodegradation | 7 | 379 | 383 | 258 |
| 394 | Biomass | 7 | 379 | 303 | 305 |
| 397 | healthcare disparities | 18 | 378 | 114 | 127 |
| 398 | cross-cultural comparison | 22 | 376 | 63 | 110 |
| 399 | Speech | 15 | 375 | 335 | 424 |
| 399 | Birth control | 13 | 375 | 137 | 162 |
| 401 | Oral Medicine | 44 | 372 | 32 | 102 |
| 402 | Membranes | 19 | 371 | 674 | 1081 |
| 403 | Neurobiology | 5 | 370 | 1333 | 1118 |
| 403 | Speech Disorders | 18 | 370 | 355 | 434 |
| 405 | Clinical Psychology | 2 | 368 | 1603 | 830 |
| 405 | human behavior | 23 | 368 | 744 | 1549 |
| 407 | Sports Medicine | 34 | 367 | 665 | 1005 |
| 407 | peptides | 21 | 367 | 150 | 191 |
| 409 | Systems Biology | 21 | 365 | 451 | 668 |
| 410 | Psychophysiology | 15 | 364 | 1244 | 1590 |
| 411 | Nuclear Medicine | 11 | 362 | 494 | 462 |
| 412 | poverty | 14 | 361 | 63 | 87 |
| 413 | Waste management | 19 | 360 | 430 | 474 |
| 414 | Latin America | 45 | 359 | 254 | 224 |
| 415 | nucleic acids | 11 | 358 | 949 | 1227 |
| 416 | Health Education | 28 | 357 | 468 | 700 |
| 417 | Social behavior | 4 | 356 | 997 | 561 |
| 418 | Histochemistry | 30 | 353 | 192 | 415 |
| 418 | Histocompatibility Testing | 13 | 353 | 139 | 143 |
| 420 | Psycholinguistics | 10 | 352 | 489 | 477 |
| 420 | Neurolinguistics | 10 | 352 | 175 | 221 |
| 420 | Plant Ecology | 8 | 352 | 1095 | 1079 |
| 423 | Vaccination | 17 | 351 | 33 | 98 |
| 424 | Bioinorganic chemistry | 9 | 350 | 827 | 663 |
| 425 | Exercise | 17 | 349 | 479 | 518 |
| 426 | cosmetics | 7 | 348 | 66 | 29 |
| 427 | language | 10 | 347 | 391 | 403 |
| 428 | Muscles | 9 | 346 | 436 | 476 |
| 429 | Information Systems | 10 | 345 | 672 | 568 |
| 429 | pollutants | 8 | 345 | 1169 | 1076 |
| 431 | industrial hygiene | 33 | 341 | 146 | 230 |
| 431 | pain | 18 | 341 | 471 | 732 |
| 433 | Pharmacogenetics | 12 | 340 | 399 | 524 |
| 433 | Emerging infectious diseases | 15 | 340 | 62 | 110 |
| 433 | toxicity testing | 11 | 340 | 226 | 267 |
| 436 | Transportation | 10 | 339 | 872 | 771 |
| 437 | Food Policy | 29 | 337 | 27 | 167 |
| 438 | Investment analysis | 11 | 336 | 230 | 250 |
| 438 | cloning | 9 | 336 | 331 | 512 |
| 440 | Geriatric Psychiatry | 20 | 335 | 339 | 520 |
| 440 | Marine Biotechnology | 8 | 335 | 83 | 71 |
| 442 | cell physiology | 10 | 333 | 807 | 1033 |
| 443 | Adolescent Medicine | 24 | 331 | 113 | 496 |
| 443 | Optical materials | 12 | 331 | 1432 | 1576 |
| 445 | adolescence | 30 | 329 | 188 | 453 |
| 445 | breastfeeding | 28 | 329 | 57 | 152 |
| 447 | Insect biochemistry | 12 | 322 | 165 | 228 |
| 448 | Veterinary Pathology | 16 | 321 | 86 | 66 |
| 449 | Building Materials | 3 | 320 | 1671 | 1119 |
| 449 | Neurosurgery | 11 | 320 | 488 | 528 |
| 451 | Economic History | 24 | 318 | 1237 | 1322 |
| 451 | Agricultural Ecology | 5 | 318 | 888 | 738 |
| 451 | Molecular Imaging | 7 | 318 | 415 | 412 |
| 454 | Occupational Health | 25 | 316 | 210 | 361 |
| 455 | Pediatric Dermatology | 11 | 314 | 157 | 98 |
| 456 | Humanities | 33 | 313 | 244 | 320 |
| 456 | Signal Processing | 8 | 313 | 1664 | 1449 |
| 458 | Phytotherapy | 13 | 303 | 240 | 335 |
| 459 | Molecular Spectroscopy | 9 | 301 | 1007 | 802 |
| 460 | Microscopy | 20 | 300 | 472 | 594 |
| 461 | Information Technology | 19 | 299 | 903 | 1170 |
| 462 | Electrochemistry | 16 | 298 | 1840 | 1953 |
| 462 | Photobiology | 13 | 298 | 551 | 645 |
| 464 | Africa | 15 | 297 | 572 | 440 |
| 465 | Andrology | 6 | 295 | 429 | 273 |
| 465 | antibiotics | 16 | 295 | 26 | 56 |
| 467 | Composite Materials | 21 | 292 | 1029 | 1755 |
| 468 | Australia | 19 | 288 | 582 | 732 |
| 469 | Flow cytometry | 18 | 286 | 65 | 172 |
| 470 | Mental illness | 12 | 283 | 962 | 1365 |
| 471 | Environmental Law | 4 | 282 | 957 | 938 |
| 472 | Water Purification | 14 | 280 | 442 | 465 |
| 473 | Fungi | 9 | 278 | 574 | 697 |
| 474 | Library Science | 5 | 277 | 915 | 200 |
| 475 | Fishery management | 19 | 276 | 230 | 339 |
| 476 | Computer-Aided Design | 10 | 275 | 583 | 531 |
| 477 | Reproductive health | 9 | 274 | 359 | 357 |
| 477 | Plant breeding | 7 | 274 | 506 | 384 |
| 479 | Antibodies | 12 | 271 | 255 | 346 |
| 480 | risk factors | 5 | 269 | 537 | 389 |
| 481 | Veterinary Immunology | 1 | 266 | 625 | 165 |
| 482 | Pathogens | 6 | 265 | 25 | 12 |
| 482 | alcoholism | 12 | 265 | 664 | 816 |
| 484 | embryonic development | 12 | 264 | 143 | 211 |
| 485 | Financial Institutions | 6 | 263 | 203 | 145 |
| 486 | Simulation Methods | 22 | 259 | 135 | 301 |
| 486 | Functional foods | 7 | 259 | 161 | 132 |
| 488 | Emergency Medical Services | 19 | 257 | 168 | 248 |
| 489 | synthesis | 18 | 256 | 249 | 270 |
| 490 | Economic Development | 3 | 255 | 1708 | 1057 |
| 491 | Food service management | 2 | 254 | 442 | 300 |
| 491 | ecosystem | 12 | 254 | 599 | 953 |
| 493 | Pediatric Endocrinology | 17 | 253 | 45 | 49 |
| 493 | Optics | 30 | 253 | 1859 | 2193 |
| 495 | Metabolic syndrome | 6 | 252 | 101 | 50 |
| 496 | Chromosomes | 9 | 251 | 528 | 648 |
| 497 | Forest Ecology | 9 | 250 | 592 | 694 |
| 498 | Nanochemistry | 19 | 249 | 299 | 495 |
| 499 | miniaturization | 8 | 247 | 1163 | 1358 |
| 500 | Psychopharmacology | 10 | 246 | 810 | 1080 |
| 501 | Artificial Intelligence | 14 | 245 | 1916 | 2243 |
| 501 | Apoptosis | 6 | 245 | 111 | 106 |
| 501 | neurotoxins | 6 | 245 | 111 | 106 |
| 501 | Neurotoxic agents | 6 | 245 | 111 | 106 |
| 501 | biofuels | 3 | 245 | 287 | 260 |
| 501 | Nerve regeneration | 6 | 245 | 111 | 106 |
| 507 | Sarcopenia | 4 | 244 | 315 | 308 |
| 508 | Asthma | 17 | 239 | 163 | 254 |
| 508 | Plant genetic engineering | 14 | 239 | 362 | 679 |
| 508 | technical education | 7 | 239 | 371 | 233 |
| 508 | disease outbreaks | 5 | 239 | 410 | 359 |
| 508 | Epidemics | 5 | 239 | 394 | 357 |
| 513 | older people | 34 | 238 | 362 | 602 |
| 513 | Androgens | 4 | 238 | 187 | 145 |
| 515 | Metabolic disorders in children | 15 | 235 | 40 | 42 |
| 516 | vitamin C | 8 | 234 | 148 | 258 |
| 516 | vitamin E | 8 | 234 | 148 | 258 |
| 518 | Plant tissue culture | 12 | 233 | 253 | 407 |
| 519 | Diagnosis | 15 | 232 | 150 | 210 |
| 519 | Plant hormones | 3 | 232 | 310 | 164 |
| 519 | Plant cell culture | 10 | 232 | 257 | 402 |
| 522 | biochemical markers | 16 | 230 | 187 | 334 |
| 522 | Bacterial diseases | 6 | 230 | 112 | 127 |
| 524 | Intelligent Transportation Systems | 2 | 229 | 1341 | 739 |
| 524 | food contamination | 18 | 229 | 211 | 412 |
| 526 | Information Theory | 8 | 228 | 903 | 800 |
| 527 | Bones | 7 | 227 | 466 | 628 |
| 528 | Human Rights | 8 | 226 | 282 | 188 |
| 528 | soil microbiology | 10 | 226 | 767 | 1316 |
| 530 | Substance Abuse | 22 | 225 | 435 | 807 |
| 530 | Cheminformatics | 3 | 225 | 329 | 275 |
| 530 | drug addiction | 8 | 225 | 624 | 750 |
| 533 | Forensic Toxicology | 2 | 222 | 74 | 23 |
| 533 | drug control | 10 | 222 | 146 | 192 |
| 535 | Genes | 9 | 221 | 607 | 651 |
| 536 | Sustainable Engineering | 9 | 220 | 951 | 1171 |
| 537 | Health Risk Assessment | 14 | 219 | 72 | 125 |
| 538 | Automation | 9 | 217 | 1407 | 1515 |
| 538 | Risk assessment | 14 | 217 | 119 | 190 |
| 540 | Logistics | 7 | 216 | 256 | 337 |
| 541 | biopolymers | 8 | 214 | 726 | 776 |
| 542 | Hydrology | 12 | 212 | 1311 | 1567 |
| 542 | sustainability | 3 | 212 | 881 | 720 |
| 542 | Birds | 16 | 212 | 481 | 538 |
| 545 | Teaching | 17 | 211 | 593 | 815 |
| 546 | Mental Health | 16 | 207 | 597 | 874 |
| 546 | Spine | 7 | 207 | 415 | 546 |
| 548 | Biological Systems | 12 | 205 | 209 | 357 |
| 549 | drug toxicity | 12 | 204 | 79 | 219 |
| 550 | Mental Health Services | 16 | 203 | 447 | 692 |
| 550 | Earth Sciences | 9 | 203 | 1993 | 2074 |
| 552 | Nanoparticles | 6 | 201 | 1394 | 1353 |
| 553 | Geography | 5 | 199 | 1792 | 1395 |
| 553 | food industry | 5 | 199 | 411 | 224 |
| 555 | dietary supplements | 12 | 195 | 237 | 499 |
| 555 | Eating Disorders | 6 | 195 | 559 | 535 |
| 555 | Feeding and Eating Disorders | 6 | 195 | 534 | 511 |
| 558 | Electrochemical Analysis | 7 | 194 | 1026 | 981 |
| 559 | Ornithology | 12 | 193 | 470 | 481 |
| 559 | histological techniques | 7 | 193 | 402 | 588 |
| 559 | Crystallography | 21 | 193 | 611 | 671 |
| 562 | Functional Genomics | 1 | 191 | 508 | 235 |
| 562 | Natural resources | 55 | 191 | 46 | 520 |
| 564 | Radiation | 21 | 190 | 721 | 1212 |
| 565 | Solid State Chemistry | 15 | 185 | 1202 | 1548 |
| 565 | occupational diseases | 11 | 185 | 365 | 599 |
| 567 | Social Change | 3 | 184 | 998 | 896 |
| 568 | Image Processing | 7 | 183 | 1532 | 1606 |
| 569 | X-ray crystallography | 17 | 182 | 198 | 278 |
| 570 | Land use | 3 | 181 | 1153 | 816 |
| 571 | Industrial Engineering | 9 | 180 | 1124 | 1273 |
| 571 | ecological risk assessment | 10 | 180 | 51 | 96 |
| 571 | DNS | 5 | 180 | 345 | 308 |
| 574 | Biogeography | 4 | 179 | 825 | 932 |
| 574 | Food Preservation | 9 | 179 | 325 | 294 |
| 574 | Human-Computer Interaction | 7 | 179 | 1017 | 1030 |
| 574 | Sports | 11 | 179 | 1030 | 1098 |
| 578 | Econometrics | 16 | 178 | 540 | 780 |
| 578 | Pediatric Hematology | 13 | 178 | 109 | 107 |
| 578 | Strategic planning | 7 | 178 | 425 | 466 |
| 578 | Culture | 15 | 178 | 391 | 404 |
| 582 | musculoskeletal system | 1 | 177 | 293 | 86 |
| 583 | Computer Science | 11 | 176 | 1094 | 1050 |
| 583 | Communication | 10 | 176 | 1115 | 1298 |
| 583 | Cell communication | 8 | 176 | 420 | 678 |
| 586 | Neonatology | 10 | 175 | 219 | 340 |
| 586 | Conservation Biology | 7 | 175 | 719 | 945 |
| 586 | animals | 8 | 175 | 782 | 651 |
| 586 | population trends | 3 | 175 | 74 | 113 |
| 586 | DNA polymerases | 2 | 175 | 538 | 677 |
| 591 | Growth | 4 | 174 | 992 | 1144 |
| 592 | Transportation Engineering | 7 | 172 | 294 | 289 |
| 592 | Computer Graphics | 9 | 172 | 995 | 1101 |
| 592 | Wildlife conservation | 8 | 172 | 690 | 1076 |
| 592 | feeding behavior | 7 | 172 | 408 | 562 |
| 592 | Appetite | 7 | 172 | 341 | 499 |
| 597 | Autism | 4 | 171 | 584 | 568 |
| 598 | Quantum Gravity | 12 | 170 | 1191 | 1357 |
| 598 | mathematical analysis | 21 | 170 | 1065 | 1212 |
| 600 | Organometallic compounds | 13 | 168 | 578 | 815 |
| 601 | Microorganisms | 10 | 166 | 496 | 1032 |
| 601 | biological agents | 41 | 166 | 20 | 65 |
| 603 | sanitation | 8 | 165 | 988 | 1707 |
| 604 | locomotion | 6 | 162 | 413 | 473 |
| 604 | posture | 6 | 162 | 413 | 473 |
| 604 | Southeast Asia | 16 | 162 | 83 | 103 |
| 604 | gait | 6 | 162 | 413 | 473 |
| 604 | walking | 6 | 162 | 413 | 473 |
| 609 | Green Chemistry | 6 | 161 | 1306 | 1629 |
| 609 | Plant Taxonomy | 4 | 161 | 358 | 264 |
| 609 | Population | 11 | 161 | 448 | 684 |
| 612 | Mutagenesis | 6 | 160 | 222 | 216 |
| 612 | teratogenic agents | 6 | 160 | 81 | 49 |
| 614 | commerce | 15 | 159 | 567 | 1002 |
| 614 | Export Marketing | 3 | 159 | 192 | 188 |
| 616 | Genetic Toxicology | 5 | 156 | 306 | 458 |
| 616 | Plant Biotechnology | 13 | 156 | 287 | 646 |
| 616 | liver | 5 | 156 | 203 | 164 |
| 619 | Control Theory | 12 | 154 | 904 | 1105 |
| 620 | Respiratory system | 9 | 153 | 258 | 471 |
| 620 | health services | 6 | 153 | 695 | 672 |
| 620 | child abuse | 5 | 153 | 574 | 655 |
| 623 | Morphology | 19 | 152 | 216 | 459 |
| 623 | Drug targeting | 4 | 152 | 222 | 254 |
| 623 | Enzyme | 6 | 152 | 289 | 455 |
| 626 | Organometallic chemistry | 12 | 151 | 964 | 1200 |
| 626 | Autoantibodies | 4 | 151 | 474 | 531 |
| 626 | Child Development | 15 | 151 | 820 | 1498 |
| 626 | Autoimmunity | 4 | 151 | 617 | 722 |
| 626 | cell adhesion molecules | 5 | 151 | 373 | 476 |
| 626 | Light | 2 | 151 | 1125 | 976 |
| 626 | Autoimmune diseases | 4 | 151 | 534 | 590 |
| 633 | Randomized Controlled Trials | 13 | 150 | 427 | 571 |
| 634 | Database Management | 6 | 148 | 575 | 593 |
| 635 | Systems Engineering | 6 | 147 | 1686 | 1468 |
| 635 | Hemodynamics | 3 | 147 | 594 | 663 |
| 635 | International Finance | 6 | 147 | 1117 | 1148 |
| 638 | Demographic research | 2 | 146 | 159 | 161 |
| 639 | energy conservation | 6 | 145 | 1484 | 2047 |
| 639 | Detectors | 9 | 145 | 914 | 1106 |
| 639 | international cooperation | 10 | 145 | 236 | 426 |
| 642 | Molecular Pharmacology | 6 | 144 | 545 | 767 |
| 642 | Developmental Genetics | 4 | 144 | 439 | 647 |
| 642 | Extracellular matrix | 2 | 144 | 307 | 294 |
| 642 | collagen | 2 | 144 | 327 | 307 |
| 646 | Pediatric Neurology | 11 | 143 | 472 | 1202 |
| 646 | ecotourism | 3 | 143 | 220 | 153 |
| 648 | Comparative Physiology | 12 | 142 | 330 | 650 |
| 648 | emergency management | 7 | 142 | 440 | 587 |
| 648 | Green Technology | 9 | 142 | 103 | 193 |
| 648 | Environmental Geochemistry | 7 | 142 | 207 | 294 |
| 648 | Globalization | 8 | 142 | 257 | 354 |
| 648 | Minerals | 7 | 142 | 387 | 512 |
| 654 | Game Theory | 10 | 141 | 261 | 322 |
| 654 | Physical fitness | 11 | 141 | 503 | 798 |
| 656 | Nonlinear Dynamics | 7 | 140 | 1481 | 1484 |
| 656 | Sexual health | 7 | 140 | 428 | 476 |
| 658 | disease susceptibility | 12 | 138 | 69 | 200 |
| 658 | biological monitoring | 5 | 138 | 359 | 409 |
| 658 | symptoms | 12 | 138 | 69 | 200 |
| 661 | Menopause | 5 | 136 | 179 | 182 |
| 662 | Neurovirology | 4 | 133 | 182 | 180 |
| 663 | Electrophysiology | 10 | 132 | 554 | 737 |
| 664 | Earthquake Engineering | 4 | 131 | 1120 | 1063 |
| 665 | Mathematical Physics | 13 | 130 | 1568 | 1748 |
| 665 | Lymphoma | 13 | 130 | 105 | 173 |
| 665 | Multiple Myeloma | 13 | 130 | 96 | 157 |
| 668 | Structural Engineering | 3 | 129 | 1660 | 1195 |
| 668 | Medical Physics | 13 | 129 | 806 | 1454 |
| 668 | Jurisprudence | 9 | 129 | 514 | 602 |
| 671 | Databases | 4 | 128 | 341 | 310 |
| 672 | Geriatric Nursing | 9 | 127 | 166 | 200 |
| 673 | cell membrane | 5 | 126 | 428 | 582 |
| 674 | Electronics | 10 | 125 | 2216 | 2637 |
| 674 | Diffusion of innovations | 7 | 125 | 16 | 29 |
| 674 | Ceramic materials | 6 | 125 | 963 | 1022 |
| 674 | Elderly | 24 | 125 | 358 | 534 |
| 678 | Social work | 10 | 124 | 675 | 806 |
| 679 | Soil Science | 9 | 123 | 1111 | 1660 |
| 679 | baking | 4 | 123 | 166 | 167 |
| 681 | Migration | 12 | 122 | 25 | 50 |
| 682 | Animal health | 14 | 121 | 130 | 194 |
| 682 | Cell metabolism | 4 | 121 | 560 | 1082 |
| 684 | disabilities | 9 | 120 | 356 | 545 |
| 685 | Integrative Medicine | 5 | 119 | 163 | 101 |
| 686 | Social welfare | 8 | 118 | 293 | 367 |
| 687 | Medical Imaging | 6 | 117 | 212 | 269 |
| 687 | Magnetic Resonance Imaging | 6 | 117 | 327 | 388 |
| 687 | Learning | 7 | 117 | 809 | 1075 |
| 690 | blood transfusion | 9 | 116 | 380 | 532 |
| 691 | Phonetics | 4 | 115 | 256 | 248 |
| 691 | Dental Public Health | 1 | 115 | 272 | 91 |
| 691 | Heart Failure | 5 | 115 | 295 | 472 |
| 691 | drug abuse | 5 | 115 | 469 | 497 |
| 695 | Nephrology | 7 | 114 | 338 | 654 |
| 695 | Pharmacogenomics | 4 | 114 | 228 | 315 |
| 695 | Child welfare | 10 | 114 | 476 | 767 |
| 695 | Business Ethics | 3 | 114 | 917 | 1119 |
| 695 | Biomolecules | 4 | 114 | 366 | 523 |
| 695 | Chemical industry | 12 | 114 | 589 | 882 |
| 701 | Chronobiology | 3 | 113 | 493 | 372 |
| 701 | behavioral medicine | 11 | 113 | 571 | 1408 |
| 701 | Ethnic relations | 10 | 113 | 232 | 302 |
| 701 | Circadian rhythms | 3 | 113 | 360 | 337 |
| 701 | biological clocks | 3 | 113 | 493 | 372 |
| 701 | Mass Media | 6 | 113 | 676 | 354 |
| 701 | Adolescent Psychology | 8 | 113 | 449 | 695 |
| 701 | circadian rhythm | 3 | 113 | 493 | 372 |
| 701 | biological rhythms | 3 | 113 | 466 | 364 |
| 710 | Nanomedicine | 3 | 112 | 193 | 257 |
| 710 | Palliative Care | 14 | 112 | 299 | 620 |
| 710 | air quality management | 4 | 112 | 392 | 473 |
| 713 | Radiation Oncology | 5 | 110 | 270 | 335 |
| 713 | Comparative Education | 4 | 110 | 186 | 96 |
| 713 | Coastal zone management | 5 | 110 | 467 | 584 |
| 713 | Cell death | 5 | 110 | 970 | 1451 |
| 717 | Maternal health services | 7 | 109 | 187 | 326 |
| 717 | Religion and Psychology | 9 | 109 | 170 | 253 |
| 719 | Geology | 9 | 108 | 1905 | 2322 |
| 719 | Otolaryngology | 10 | 108 | 242 | 416 |
| 719 | Urban Policy | 5 | 108 | 542 | 735 |
| 719 | Environmental Education | 24 | 108 | 38 | 263 |
| 719 | Zeolites | 5 | 108 | 690 | 1029 |
| 724 | epilepsy | 7 | 106 | 546 | 778 |
| 724 | Respiratory Infections | 10 | 106 | 137 | 314 |
| 724 | natural disasters | 5 | 106 | 1025 | 1246 |
| 727 | Immunotoxicology | 4 | 105 | 214 | 179 |
| 727 | Youth | 8 | 105 | 367 | 633 |
| 727 | Nitric oxide | 8 | 105 | 59 | 287 |
| 730 | War | 5 | 104 | 121 | 105 |
| 730 | warfare | 5 | 104 | 184 | 295 |
| 730 | refugees | 5 | 104 | 147 | 144 |
| 733 | fuel cells | 8 | 103 | 821 | 1335 |
| 733 | Hospitality industry | 5 | 103 | 246 | 306 |
| 735 | Neuromuscular diseases | 5 | 102 | 486 | 615 |
| 735 | Forest Management | 3 | 102 | 996 | 1008 |
| 735 | viral genetics | 3 | 102 | 312 | 585 |
| 738 | Robotics | 13 | 101 | 810 | 1484 |
| 738 | Plant Genetics | 3 | 101 | 681 | 839 |
| 738 | Osteoporosis | 12 | 101 | 67 | 282 |
| 738 | Cognition | 2 | 101 | 1840 | 1470 |
| 742 | Soft Condensed Matter | 4 | 100 | 951 | 1025 |
| 743 | Bone diseases | 11 | 99 | 135 | 570 |
| 744 | Organ transplantation | 14 | 98 | 121 | 232 |
| 744 | Production Management | 7 | 98 | 673 | 1272 |
| 744 | psychotherapy | 4 | 98 | 1115 | 1151 |
| 744 | cardiac catheterization | 6 | 98 | 563 | 567 |
| 748 | Geotechnical Engineering | 3 | 97 | 709 | 621 |
| 748 | Immunochemistry | 11 | 97 | 406 | 918 |
| 748 | Ocean Engineering | 3 | 97 | 1597 | 1543 |
| 748 | Edible plants | 3 | 97 | 183 | 234 |
| 752 | Investments | 8 | 96 | 210 | 313 |
| 753 | Wireless Communication Systems | 8 | 94 | 1583 | 1907 |
| 753 | Biomechanics | 11 | 94 | 677 | 1317 |
| 753 | Germany | 8 | 94 | 311 | 221 |
| 756 | Acarology | 6 | 93 | 157 | 237 |
| 756 | Mites | 6 | 93 | 271 | 286 |
| 756 | Ticks | 6 | 93 | 180 | 243 |
| 759 | Ergonomics | 2 | 92 | 1203 | 790 |
| 759 | Radiography | 2 | 92 | 980 | 1012 |
| 759 | Microcirculation | 4 | 92 | 374 | 449 |
| 762 | Safety management | 8 | 91 | 213 | 365 |
| 763 | Applied Mathematics | 24 | 90 | 137 | 305 |
| 763 | Computational Chemistry | 5 | 90 | 497 | 691 |
| 763 | Water Microbiology | 6 | 90 | 228 | 481 |
| 766 | Mitochondria | 4 | 89 | 189 | 325 |
| 766 | Marine resources | 4 | 89 | 550 | 681 |
| 768 | water supply | 1 | 88 | 1479 | 1022 |
| 768 | primary prevention | 8 | 88 | 186 | 418 |
| 770 | Freeze-Drying | 3 | 87 | 361 | 336 |
| 770 | Hypothermia | 3 | 87 | 361 | 336 |
| 770 | Freeze Drying | 3 | 87 | 361 | 336 |
| 770 | Risk | 1 | 87 | 959 | 604 |
| 770 | Language teaching | 1 | 87 | 135 | 53 |
| 770 | glycoproteins | 4 | 87 | 397 | 543 |
| 770 | second language | 1 | 87 | 135 | 53 |
| 770 | Glycoconjugates | 4 | 87 | 397 | 543 |
| 770 | Uncertainty | 1 | 87 | 338 | 176 |
| 770 | glycolipids | 4 | 87 | 397 | 543 |
| 770 | Acari | 5 | 87 | 180 | 249 |
| 781 | hospice care | 9 | 86 | 238 | 425 |
| 781 | Communication in marketing | 1 | 86 | 329 | 133 |
| 781 | catalytic activity | 3 | 86 | 644 | 714 |
| 784 | Biomarkers | 3 | 85 | 439 | 352 |
| 784 | clay | 3 | 85 | 801 | 1011 |
| 784 | counseling | 4 | 85 | 1070 | 1110 |
| 787 | Total Quality Management | 3 | 84 | 525 | 487 |
| 787 | women's rights | 3 | 84 | 162 | 144 |
| 787 | Adhesion | 6 | 84 | 387 | 546 |
| 787 | Animal genetics | 3 | 84 | 600 | 612 |
| 787 | irrigation | 2 | 84 | 549 | 322 |
| 787 | drainage | 2 | 84 | 510 | 248 |
| 787 | adhesives | 6 | 84 | 418 | 550 |
| 794 | hazard mitigation | 4 | 83 | 788 | 997 |
| 795 | Research Design | 6 | 81 | 778 | 1271 |
| 796 | Municipal Engineering | 5 | 80 | 212 | 361 |
| 796 | Agricultural Biotechnology | 9 | 80 | 104 | 115 |
| 796 | Bibliometrics | 3 | 80 | 123 | 177 |
| 796 | X-rays | 6 | 80 | 381 | 481 |
| 796 | race relations | 6 | 80 | 378 | 470 |
| 801 | Radiology | 8 | 79 | 908 | 1210 |
| 801 | Power Electronics | 1 | 79 | 1566 | 1218 |
| 801 | Structural biology | 2 | 79 | 87 | 95 |
| 801 | mutation | 5 | 79 | 455 | 805 |
| 801 | mass transfer | 1 | 79 | 2317 | 1677 |
| 806 | Neuropharmacology | 5 | 78 | 430 | 630 |
| 806 | Homeostasis | 1 | 78 | 728 | 1082 |
| 808 | Ethnic Conflict | 5 | 77 | 176 | 259 |
| 808 | forced migration | 5 | 77 | 176 | 259 |
| 810 | Yeast | 5 | 76 | 296 | 558 |
| 811 | Forensic Genetics | 4 | 75 | 182 | 271 |
| 811 | Multicultural Education | 3 | 75 | 371 | 285 |
| 811 | Electrocardiography | 3 | 75 | 347 | 243 |
| 811 | air quality | 8 | 75 | 36 | 218 |
| 815 | Audiology | 3 | 74 | 727 | 735 |
| 815 | Manufacturing Processes | 3 | 74 | 2305 | 2229 |
| 815 | Forensic Pathology | 7 | 74 | 53 | 91 |
| 815 | rare diseases | 9 | 74 | 294 | 760 |
| 815 | Fluorescence | 6 | 74 | 226 | 342 |
| 820 | Patient education | 3 | 73 | 551 | 757 |
| 821 | Energy Storage | 6 | 72 | 913 | 1353 |
| 821 | Electron Microscopy | 4 | 72 | 349 | 374 |
| 821 | Luminescence | 4 | 72 | 1215 | 1222 |
| 821 | software | 3 | 72 | 1072 | 1320 |
| 825 | Soil Mechanics | 2 | 71 | 1384 | 1203 |
| 825 | Paleoclimatology | 3 | 71 | 1045 | 1200 |
| 825 | Hallucinogens | 3 | 71 | 165 | 207 |
| 825 | Europa | 2 | 71 | 661 | 552 |
| 829 | Animal Nutrition | 5 | 70 | 428 | 555 |
| 829 | big data | 1 | 70 | 1172 | 604 |
| 829 | Transport | 1 | 70 | 1011 | 777 |
| 829 | scientific societies | 5 | 70 | 551 | 862 |
| 829 | city planning | 4 | 70 | 1425 | 1538 |
| 829 | phototherapy | 21 | 70 | 18 | 95 |
| 835 | Anthropology | 6 | 69 | 1098 | 1283 |
| 835 | Climatology | 9 | 69 | 997 | 1924 |
| 835 | Lung Transplantation | 2 | 69 | 442 | 467 |
| 835 | Geochemistry | 6 | 69 | 1466 | 2144 |
| 835 | Cognitive Therapy | 2 | 69 | 761 | 672 |
| 835 | preimplantation genetic diagnosis | 5 | 69 | 326 | 498 |
| 835 | Heart transplantation | 2 | 69 | 442 | 467 |
| 835 | embryo transfer | 5 | 69 | 341 | 514 |
| 835 | Multimedia Systems | 10 | 69 | 981 | 1644 |
| 844 | Pesticides | 8 | 68 | 322 | 666 |
| 844 | personality | 1 | 68 | 2006 | 1611 |
| 844 | shellfish | 7 | 68 | 69 | 134 |
| 844 | population geography | 4 | 68 | 311 | 415 |
| 848 | Sustainable agriculture | 4 | 66 | 616 | 847 |
| 849 | consumer behavior | 4 | 65 | 415 | 663 |
| 849 | Family | 7 | 65 | 555 | 923 |
| 849 | Economic Assistance | 4 | 65 | 576 | 993 |
| 852 | Pediatric Rheumatology | 6 | 64 | 130 | 224 |
| 852 | Development | 1 | 64 | 1373 | 1117 |
| 852 | Metals | 4 | 64 | 1933 | 2214 |
| 855 | Dynamics | 6 | 63 | 1342 | 1538 |
| 855 | Crystallization | 11 | 63 | 213 | 428 |
| 855 | Carbon | 3 | 63 | 1317 | 1863 |
| 855 | Carbohydrates | 5 | 63 | 315 | 608 |
| 855 | Influenza | 6 | 63 | 145 | 357 |
| 860 | disaster relief | 2 | 62 | 261 | 272 |
| 860 | Cytokine | 2 | 62 | 531 | 698 |
| 860 | pigments | 3 | 62 | 844 | 982 |
| 863 | Cosmology | 7 | 61 | 939 | 1072 |
| 863 | Cell migration | 4 | 61 | 49 | 183 |
| 863 | Developmental Neurobiology | 6 | 61 | 320 | 602 |
| 863 | Cell adhesion | 4 | 61 | 108 | 272 |
| 863 | cell movement | 4 | 61 | 180 | 390 |
| 863 | Telecommunication | 4 | 61 | 2450 | 2597 |
| 869 | DNA | 4 | 60 | 522 | 725 |
| 869 | lasers | 6 | 60 | 1614 | 2042 |
| 871 | Linguistics | 12 | 59 | 703 | 1138 |
| 871 | Structuralism | 1 | 59 | 277 | 276 |
| 871 | Social Networks | 1 | 59 | 645 | 391 |
| 871 | Endocrine glands | 1 | 59 | 463 | 557 |
| 871 | Transgenic plants | 3 | 59 | 491 | 766 |
| 871 | Cellulose | 4 | 59 | 499 | 881 |
| 871 | computer networks | 5 | 59 | 2119 | 2626 |
| 878 | Bioenergetics | 2 | 58 | 1016 | 1149 |
| 878 | Educational Psychology | 9 | 58 | 771 | 1436 |
| 878 | Artificial Organs | 7 | 58 | 402 | 643 |
| 878 | concrete | 1 | 58 | 1501 | 1332 |
| 878 | Cement | 1 | 58 | 956 | 906 |
| 878 | textile fibers | 6 | 58 | 235 | 359 |
| 884 | nuclear astrophysics | 5 | 57 | 350 | 542 |
| 884 | Raman spectroscopy | 2 | 57 | 1015 | 958 |
| 884 | water reuse | 2 | 57 | 369 | 409 |
| 884 | internet | 4 | 57 | 1382 | 1732 |
| 884 | Alzheimer's disease | 39 | 57 | 416 | 1338 |
| 889 | Electrical Engineering | 9 | 56 | 2329 | 2898 |
| 889 | Agricultural Engineering | 1 | 56 | 934 | 606 |
| 889 | Multilingualism | 4 | 56 | 218 | 312 |
| 889 | population policy | 4 | 56 | 121 | 196 |
| 889 | chronic disease | 6 | 56 | 181 | 391 |
| 889 | violence | 6 | 56 | 620 | 1108 |
| 895 | Cognitive Behavioral Therapy | 1 | 55 | 404 | 297 |
| 895 | Neuroimmunology | 2 | 55 | 825 | 1137 |
| 895 | Flood control | 1 | 55 | 560 | 268 |
| 895 | behavior therapy | 1 | 55 | 1247 | 1020 |
| 895 | livestock | 4 | 55 | 519 | 535 |
| 900 | Educational Sociology | 6 | 54 | 180 | 369 |
| 900 | Combinatorial chemistry | 4 | 54 | 786 | 1287 |
| 900 | Cognitive Science | 5 | 54 | 1135 | 1867 |
| 900 | Brachytherapy | 2 | 54 | 271 | 190 |
| 904 | Applied Linguistics | 4 | 53 | 480 | 542 |
| 904 | Public Administration | 6 | 53 | 977 | 1215 |
| 904 | Magnetic Materials | 2 | 53 | 1801 | 1669 |
| 904 | Taste | 3 | 53 | 279 | 368 |
| 904 | smell | 3 | 53 | 279 | 368 |
| 904 | Blood vessels | 2 | 53 | 477 | 520 |
| 904 | human development | 2 | 53 | 946 | 1063 |
| 904 | eugenics | 7 | 53 | 278 | 709 |
| 912 | Mechanical Engineering | 5 | 52 | 2077 | 2216 |
| 912 | Human Geography | 4 | 52 | 934 | 1100 |
| 912 | Plant Morphology | 5 | 52 | 437 | 704 |
| 912 | health workforce | 4 | 52 | 132 | 357 |
| 912 | Pediatric Neuropsychology | 2 | 52 | 113 | 56 |
| 917 | Hydrogeology | 2 | 51 | 1023 | 950 |
| 917 | Computer Vision | 1 | 51 | 1792 | 1555 |
| 917 | Physical Chemistry | 3 | 51 | 2271 | 2552 |
| 917 | Geothermal Energy | 2 | 51 | 341 | 379 |
| 917 | Religion | 8 | 51 | 553 | 492 |
| 917 | cultural pluralism | 2 | 51 | 497 | 398 |
| 917 | gene transfer | 2 | 51 | 344 | 389 |
| 917 | genetic transformation | 2 | 51 | 344 | 389 |
| 925 | Functional Analysis | 4 | 50 | 1142 | 1189 |
| 925 | Horticulture | 5 | 50 | 627 | 909 |
| 925 | Operations Research | 4 | 50 | 1912 | 2292 |
| 925 | Nonlinear functional analysis | 4 | 50 | 1028 | 1186 |
| 925 | Biogeochemistry | 2 | 50 | 1303 | 1638 |
| 925 | International Education | 8 | 50 | 71 | 282 |
| 925 | bees | 3 | 50 | 393 | 463 |
| 932 | Biochemical Genetics | 6 | 49 | 220 | 359 |
| 932 | Genetic testing | 3 | 49 | 324 | 341 |
| 932 | agricultural policy | 4 | 49 | 162 | 489 |
| 932 | Microbial Metabolism | 1 | 49 | 420 | 438 |
| 932 | Probiotics | 2 | 49 | 202 | 289 |
| 932 | Roads | 3 | 49 | 738 | 674 |
| 932 | place marketing | 2 | 49 | 116 | 250 |
| 932 | vitamins | 1 | 49 | 317 | 297 |
| 940 | Genetic Research | 1 | 48 | 368 | 238 |
| 940 | Anti-inflammatory agents | 3 | 48 | 198 | 315 |
| 940 | tomography | 7 | 48 | 201 | 415 |
| 943 | Genetic Counseling | 3 | 47 | 257 | 308 |
| 943 | Organizational change | 2 | 47 | 876 | 829 |
| 943 | Technological Innovations | 4 | 47 | 914 | 1351 |
| 943 | Public opinion | 1 | 47 | 716 | 569 |
| 943 | Consumer education | 3 | 47 | 305 | 567 |
| 948 | Public Relations | 4 | 46 | 368 | 495 |
| 948 | Animal husbandry | 2 | 46 | 468 | 429 |
| 948 | Genetic disorders | 3 | 46 | 491 | 703 |
| 948 | monoclonal antibodies | 3 | 46 | 311 | 437 |
| 948 | Cardiopulmonary Resuscitation | 5 | 46 | 66 | 70 |
| 948 | cardiac arrest | 5 | 46 | 66 | 70 |
| 948 | Fish diseases | 5 | 46 | 67 | 161 |
| 948 | Trademarks | 4 | 46 | 60 | 129 |
| 948 | Foodborne diseases | 5 | 46 | 156 | 403 |
| 948 | Peroxisomes | 1 | 46 | 207 | 182 |
| 948 | Aquatic animals | 5 | 46 | 107 | 256 |
| 948 | Agricultural systems | 2 | 46 | 394 | 624 |
| 948 | biocatalysis | 1 | 46 | 339 | 536 |
| 948 | Homogeneous catalysis | 1 | 46 | 339 | 536 |
| 948 | Heterogeneous catalysis | 1 | 46 | 339 | 536 |
| 948 | Philippines | 2 | 46 | 147 | 125 |
| 948 | Population Dynamics | 4 | 46 | 129 | 275 |
| 965 | Law | 11 | 45 | 784 | 855 |
| 965 | Enzyme inhibitors | 3 | 45 | 388 | 579 |
| 965 | Feminism | 1 | 45 | 1009 | 575 |
| 965 | Oligosaccharides | 1 | 45 | 494 | 428 |
| 965 | Drug discovery | 3 | 45 | 226 | 424 |
| 965 | sex crimes | 5 | 45 | 454 | 796 |
| 971 | Mass Spectrometry | 5 | 44 | 948 | 1485 |
| 971 | Phylogeny | 4 | 44 | 786 | 1438 |
| 973 | Energy Policy | 3 | 43 | 2604 | 3821 |
| 973 | Technology Assessment | 3 | 43 | 308 | 735 |
| 973 | Soil dynamics | 2 | 43 | 601 | 683 |
| 973 | Product life cycle | 3 | 43 | 299 | 579 |
| 973 | green products | 3 | 43 | 268 | 562 |
| 973 | Atomic spectroscopy | 2 | 43 | 1390 | 1355 |
| 973 | Quantum theory | 3 | 43 | 901 | 1034 |
| 980 | Fertilization | 2 | 42 | 88 | 126 |
| 980 | global environmental change | 3 | 42 | 836 | 1483 |
| 980 | Oligosaccharide | 3 | 42 | 309 | 592 |
| 980 | Liquid chromatography | 4 | 42 | 424 | 474 |
| 980 | gametes | 2 | 42 | 88 | 126 |
| 985 | Geographic information systems | 4 | 41 | 997 | 1293 |
| 985 | Parenteral nutrition | 6 | 41 | 671 | 1541 |
| 985 | Mechanics | 4 | 41 | 1208 | 1354 |
| 988 | Ecophysiology | 2 | 40 | 323 | 393 |
| 988 | community development | 3 | 40 | 569 | 760 |
| 988 | Behavioral research | 5 | 40 | 306 | 595 |
| 988 | Wetland ecology | 2 | 40 | 596 | 676 |
| 988 | Adaptive control systems | 2 | 40 | 741 | 677 |
| 988 | Wetland conservation | 1 | 40 | 644 | 512 |
| 988 | Mountains | 1 | 40 | 788 | 434 |
| 988 | educational innovations | 3 | 40 | 496 | 695 |
| 988 | Demographic analysis | 2 | 40 | 22 | 55 |
| 988 | Wetlands | 1 | 40 | 658 | 515 |
| 998 | Solar Energy | 4 | 39 | 1540 | 2538 |
| 998 | Lipid metabolism | 3 | 39 | 421 | 820 |
| 998 | Rheology | 3 | 39 | 524 | 706 |