| 1 | Biology | 693 | 52.5K | 510 | 461 |
| 2 | Physics | 529 | 45.9K | 872 | 622 |
| 3 | Ecology | 901 | 43.0K | 134 | 176 |
| 4 | Science | 765 | 41.4K | 479 | 588 |
| 5 | Tourism | 746 | 39.3K | 2 | 3 |
| 6 | Chemistry | 546 | 34.4K | 818 | 534 |
| 7 | Australia | 2,248 | 27.5K | 9 | 10 |
| 8 | Environment | 486 | 26.0K | 132 | 176 |
| 9 | Medicine | 818 | 25.0K | 456 | 579 |
| 10 | Research | 640 | 24.2K | 411 | 336 |
| 11 | management | 429 | 24.0K | 50 | 88 |
| 12 | Biochemistry | 678 | 23.9K | 659 | 618 |
| 13 | Pollution | 495 | 20.1K | 165 | 227 |
| 14 | Natural history | 104 | 19.0K | 591 | 611 |
| 15 | Nanotechnology | 299 | 17.9K | 433 | 315 |
| 16 | Psychology | 558 | 17.7K | 185 | 196 |
| 17 | Microbiology | 431 | 16.3K | 445 | 531 |
| 18 | Environmental Health | 343 | 16.2K | 224 | 207 |
| 19 | Artificial Intelligence | 209 | 14.1K | 197 | 60 |
| 20 | Molecular Biology | 392 | 14.0K | 706 | 790 |
| 21 | Water pollution | 252 | 12.9K | 59 | 51 |
| 22 | United States | 443 | 12.7K | 232 | 214 |
| 23 | Psychiatry | 438 | 12.2K | 202 | 312 |
| 24 | environmental pollution | 337 | 12.1K | 148 | 177 |
| 25 | Public Health | 549 | 12.0K | 198 | 285 |
| 26 | Materials | 270 | 12.0K | 730 | 562 |
| 27 | Water | 193 | 11.4K | 107 | 92 |
| 28 | Neurology | 249 | 10.3K | 716 | 731 |
| 29 | Environmental Policy | 302 | 10.3K | 39 | 103 |
| 30 | Nursing | 223 | 9.9K | 31 | 6 |
| 31 | Pharmaceutical Chemistry | 254 | 9.8K | 254 | 213 |
| 32 | Education | 399 | 9.8K | 129 | 102 |
| 33 | Statistical physics | 224 | 8.9K | 459 | 288 |
| 34 | Environmental monitoring | 225 | 8.8K | 117 | 133 |
| 35 | Neural circuitry | 60 | 8.8K | 188 | 27 |
| 36 | Economics | 550 | 8.7K | 97 | 220 |
| 37 | Health | 81 | 8.7K | 258 | 39 |
| 38 | Biotechnology | 184 | 8.4K | 706 | 633 |
| 39 | Nuclear Physics | 220 | 8.3K | 868 | 690 |
| 40 | environmental protection | 201 | 8.1K | 85 | 80 |
| 41 | Environmental Engineering | 174 | 7.9K | 249 | 252 |
| 42 | Marine Biology | 240 | 7.8K | 140 | 143 |
| 43 | Behavior | 212 | 7.8K | 211 | 256 |
| 44 | Biocompatible Materials | 149 | 7.6K | 497 | 439 |
| 45 | Sustainable Development | 167 | 7.6K | 14 | 28 |
| 46 | Chemical Engineering | 120 | 7.6K | 810 | 446 |
| 47 | freshwater biology | 100 | 7.5K | 13 | 5 |
| 48 | marketing | 287 | 7.4K | 12 | 110 |
| 49 | Nutrition | 275 | 7.2K | 243 | 331 |
| 50 | Nanostructured Materials | 125 | 6.9K | 441 | 238 |
| 51 | Sports Medicine | 431 | 6.9K | 39 | 96 |
| 52 | Oncology | 100 | 6.7K | 229 | 276 |
| 53 | Immunology | 132 | 6.6K | 652 | 604 |
| 54 | Biodiversity conservation | 148 | 6.5K | 66 | 173 |
| 55 | Renewable Energy Sources | 67 | 6.5K | 290 | 162 |
| 56 | Higher Education | 82 | 6.5K | 9 | 1 |
| 57 | Pharmacology | 170 | 6.3K | 771 | 621 |
| 58 | Child Development | 223 | 6.3K | 86 | 141 |
| 59 | Criminology | 310 | 6.3K | 5 | 17 |
| 60 | natural products | 158 | 6.1K | 42 | 27 |
| 61 | Materials Science | 159 | 6.1K | 661 | 583 |
| 62 | Mental Disorders | 243 | 6.1K | 170 | 315 |
| 63 | Business | 114 | 6.0K | 108 | 153 |
| 64 | Biophysics | 200 | 6.0K | 778 | 677 |
| 65 | Child psychology | 98 | 5.8K | 187 | 151 |
| 66 | Environmental Management | 187 | 5.8K | 57 | 105 |
| 67 | Catalysis | 99 | 5.7K | 804 | 567 |
| 68 | Physiology | 231 | 5.6K | 381 | 517 |
| 69 | Soil Science | 124 | 5.5K | 125 | 107 |
| 70 | tests | 48 | 5.5K | 3 | 1 |
| 71 | Sociology | 193 | 5.0K | 197 | 225 |
| 72 | nanoscience | 74 | 5.0K | 539 | 387 |
| 73 | Analytical Chemistry | 127 | 5.0K | 713 | 515 |
| 74 | Human genetics | 34 | 4.7K | 836 | 860 |
| 75 | Organic Chemistry | 154 | 4.7K | 321 | 293 |
| 76 | Hydrology | 174 | 4.6K | 145 | 194 |
| 77 | Epidemiology | 195 | 4.6K | 316 | 384 |
| 78 | Food service management | 71 | 4.5K | 20 | 18 |
| 79 | Asia | 312 | 4.5K | 38 | 44 |
| 80 | Energy Policy | 89 | 4.5K | 246 | 206 |
| 81 | human behavior | 113 | 4.5K | 233 | 304 |
| 82 | Adolescent | 127 | 4.5K | 168 | 100 |
| 83 | Geography | 116 | 4.4K | 262 | 177 |
| 84 | soil conservation | 172 | 4.4K | 4 | 8 |
| 85 | Clinical Chemistry | 112 | 4.4K | 343 | 288 |
| 86 | Cancer | 112 | 4.3K | 643 | 667 |
| 87 | biological evolution | 92 | 4.3K | 269 | 327 |
| 88 | soil pollution | 161 | 4.2K | 3 | 4 |
| 89 | miniaturization | 48 | 4.2K | 392 | 277 |
| 90 | Bioorganic chemistry | 137 | 4.2K | 222 | 259 |
| 91 | Information Science | 72 | 4.2K | 264 | 123 |
| 92 | Pharmacognosy | 152 | 4.1K | 51 | 76 |
| 93 | rehabilitation | 221 | 4.1K | 68 | 147 |
| 94 | Ocean Engineering | 154 | 4.1K | 80 | 75 |
| 95 | Leisure | 94 | 4.0K | 8 | 9 |
| 96 | Economic History | 344 | 4.0K | 59 | 151 |
| 97 | Social Sciences | 160 | 4.0K | 260 | 178 |
| 98 | Biodiversity | 105 | 3.9K | 172 | 199 |
| 99 | Brain | 61 | 3.9K | 679 | 449 |
| 100 | Sports | 205 | 3.9K | 70 | 113 |
| 101 | Clinical Psychology | 76 | 3.9K | 206 | 207 |
| 102 | sanitation | 60 | 3.8K | 282 | 291 |
| 103 | Food | 128 | 3.8K | 240 | 259 |
| 104 | Cytology | 107 | 3.7K | 843 | 1145 |
| 105 | Oceanography | 108 | 3.7K | 257 | 256 |
| 106 | Child | 119 | 3.7K | 231 | 178 |
| 107 | psychotherapy | 93 | 3.7K | 129 | 148 |
| 108 | Evolution | 77 | 3.6K | 278 | 295 |
| 109 | city planning | 138 | 3.6K | 71 | 77 |
| 110 | Wildlife conservation | 100 | 3.6K | 59 | 94 |
| 111 | Biomechanics | 75 | 3.6K | 136 | 123 |
| 112 | Combinatorial chemistry | 40 | 3.6K | 96 | 49 |
| 113 | Biochemical Engineering | 60 | 3.5K | 681 | 680 |
| 114 | energy development | 7 | 3.4K | 529 | 62 |
| 115 | Diet | 139 | 3.4K | 169 | 327 |
| 116 | energy resources | 61 | 3.4K | 115 | 142 |
| 117 | Environmental Toxicology | 59 | 3.4K | 310 | 206 |
| 118 | Cell Biology | 87 | 3.3K | 883 | 1210 |
| 119 | Zoology | 77 | 3.3K | 412 | 199 |
| 120 | Medical Microbiology | 83 | 3.3K | 333 | 365 |
| 121 | Public Administration | 163 | 3.2K | 39 | 71 |
| 122 | Genetics | 76 | 3.2K | 801 | 906 |
| 123 | Adolescent Psychology | 67 | 3.1K | 65 | 40 |
| 124 | finance | 121 | 3.1K | 156 | 183 |
| 125 | Vocational guidance | 85 | 3.1K | 79 | 79 |
| 126 | Psychophysiology | 90 | 3.1K | 531 | 564 |
| 127 | Neurophysiology | 73 | 3.1K | 668 | 700 |
| 127 | Bioinformatics | 69 | 3.1K | 265 | 283 |
| 129 | Entomology | 99 | 3.0K | 285 | 163 |
| 130 | Algal blooms | 28 | 3.0K | 31 | 15 |
| 130 | Cyanobacteria | 28 | 3.0K | 31 | 15 |
| 130 | microalgae | 28 | 3.0K | 31 | 15 |
| 133 | Critical Care Medicine | 260 | 3.0K | 34 | 326 |
| 134 | Botany | 61 | 3.0K | 1107 | 856 |
| 135 | biological factors | 39 | 3.0K | 360 | 98 |
| 136 | Biomedical Engineering | 120 | 3.0K | 653 | 717 |
| 137 | Climate change | 43 | 3.0K | 187 | 340 |
| 138 | Geomorphology | 84 | 3.0K | 82 | 114 |
| 138 | Eutrophication | 42 | 3.0K | 188 | 339 |
| 140 | Nanoparticles | 53 | 2.9K | 264 | 168 |
| 141 | Environmental Chemistry | 40 | 2.9K | 417 | 341 |
| 142 | Geriatrics | 161 | 2.9K | 264 | 355 |
| 143 | Learning | 83 | 2.9K | 125 | 160 |
| 144 | Obstetrics | 75 | 2.9K | 454 | 296 |
| 145 | Human Resources | 68 | 2.9K | 2 | 2 |
| 146 | Suicide | 76 | 2.9K | 10 | 7 |
| 147 | soil microbiology | 66 | 2.8K | 184 | 234 |
| 148 | Bacteriology | 40 | 2.8K | 537 | 395 |
| 149 | Toxicology | 121 | 2.8K | 695 | 857 |
| 150 | Energy Conversion | 21 | 2.8K | 478 | 288 |
| 151 | Optics | 146 | 2.8K | 850 | 691 |
| 152 | Social work | 185 | 2.8K | 67 | 69 |
| 153 | Health Services Research | 137 | 2.7K | 90 | 132 |
| 154 | Developmental Disabilities | 116 | 2.7K | 52 | 121 |
| 155 | Social Psychology | 84 | 2.7K | 320 | 357 |
| 156 | Soil biology | 56 | 2.7K | 121 | 157 |
| 157 | Bioengineering | 65 | 2.7K | 978 | 1005 |
| 158 | industrial relations | 215 | 2.7K | 9 | 19 |
| 159 | Computational Biology | 85 | 2.6K | 315 | 434 |
| 160 | medical education | 110 | 2.6K | 180 | 177 |
| 161 | Structural Engineering | 114 | 2.5K | 178 | 164 |
| 162 | Substance Abuse | 97 | 2.5K | 149 | 144 |
| 163 | adolescence | 67 | 2.4K | 89 | 90 |
| 164 | ecosystem | 52 | 2.4K | 166 | 187 |
| 165 | Agriculture | 44 | 2.4K | 471 | 242 |
| 166 | Criminal psychology | 107 | 2.4K | 32 | 76 |
| 167 | Developmental Psychology | 54 | 2.4K | 172 | 151 |
| 168 | coal | 12 | 2.4K | 867 | 164 |
| 169 | Microbial Ecology | 49 | 2.4K | 534 | 556 |
| 170 | Technology | 94 | 2.4K | 623 | 572 |
| 171 | Primary health care | 115 | 2.3K | 111 | 110 |
| 172 | Endocrinology | 38 | 2.3K | 1077 | 863 |
| 173 | Electrochemistry | 72 | 2.3K | 1021 | 732 |
| 174 | Immunity | 45 | 2.3K | 539 | 726 |
| 175 | Gerontology | 142 | 2.3K | 164 | 192 |
| 176 | Teaching | 101 | 2.3K | 115 | 141 |
| 177 | Biogeography | 38 | 2.3K | 167 | 159 |
| 178 | Adult Education | 109 | 2.3K | 7 | 5 |
| 179 | Transportation | 84 | 2.3K | 214 | 203 |
| 180 | Aquatic ecology | 61 | 2.3K | 51 | 22 |
| 181 | Composite Materials | 31 | 2.3K | 959 | 552 |
| 182 | Water quality management | 77 | 2.2K | 124 | 105 |
| 183 | Medical genetics | 66 | 2.2K | 736 | 914 |
| 184 | fuel cells | 26 | 2.2K | 396 | 239 |
| 185 | Health Policy | 125 | 2.2K | 181 | 247 |
| 186 | Animal ecology | 30 | 2.2K | 342 | 161 |
| 187 | child abuse | 92 | 2.2K | 34 | 84 |
| 188 | Aging | 145 | 2.2K | 278 | 457 |
| 189 | Geriatric Psychiatry | 57 | 2.2K | 94 | 76 |
| 190 | Marine Pollution | 87 | 2.2K | 42 | 105 |
| 191 | Solid State Physics | 56 | 2.2K | 1322 | 992 |
| 192 | Agricultural Ecology | 38 | 2.2K | 189 | 162 |
| 193 | alcoholism | 66 | 2.2K | 234 | 227 |
| 194 | Law | 211 | 2.2K | 38 | 17 |
| 195 | Conservation Biology | 68 | 2.2K | 88 | 152 |
| 196 | Health promotion | 83 | 2.2K | 157 | 196 |
| 197 | Quality of life | 64 | 2.1K | 107 | 141 |
| 198 | personality | 75 | 2.1K | 187 | 297 |
| 199 | Surface Chemistry | 71 | 2.1K | 910 | 863 |
| 200 | Business Ethics | 32 | 2.1K | 122 | 113 |
| 201 | Fisheries | 70 | 2.1K | 229 | 202 |
| 202 | Neurochemistry | 43 | 2.1K | 716 | 583 |
| 203 | feeding behavior | 44 | 2.1K | 101 | 46 |
| 204 | Mental Health Services | 103 | 2.1K | 79 | 88 |
| 205 | Health Education | 104 | 2.0K | 187 | 216 |
| 206 | Magnetic Resonance Spectroscopy | 76 | 2.0K | 124 | 118 |
| 207 | Recycling | 17 | 2.0K | 139 | 41 |
| 208 | Parasitology | 70 | 2.0K | 387 | 293 |
| 209 | Neuropsychology | 59 | 2.0K | 482 | 431 |
| 210 | Optical materials | 40 | 2.0K | 787 | 577 |
| 211 | genome | 40 | 2.0K | 331 | 414 |
| 212 | Physical Therapy | 90 | 2.0K | 120 | 197 |
| 213 | Communication | 213 | 2.0K | 67 | 196 |
| 214 | Oxidation-reduction | 20 | 2.0K | 192 | 105 |
| 215 | drug addiction | 58 | 2.0K | 186 | 182 |
| 216 | Virology | 60 | 2.0K | 800 | 1245 |
| 217 | Europe | 118 | 2.0K | 346 | 381 |
| 218 | Metabolic diseases | 29 | 2.0K | 942 | 778 |
| 219 | police | 94 | 2.0K | 5 | 2 |
| 220 | Parasitic Diseases | 59 | 2.0K | 317 | 293 |
| 221 | economic policy | 171 | 2.0K | 77 | 167 |
| 222 | Environmental Law | 34 | 2.0K | 192 | 183 |
| 223 | Metabolism | 54 | 2.0K | 799 | 890 |
| 224 | Cognition | 81 | 1.9K | 251 | 331 |
| 225 | Colloids | 66 | 1.9K | 940 | 981 |
| 226 | educational planning | 33 | 1.9K | 26 | 12 |
| 227 | global environmental change | 52 | 1.9K | 58 | 102 |
| 228 | Regional Planning | 69 | 1.9K | 174 | 143 |
| 229 | Signal Transduction | 21 | 1.9K | 511 | 235 |
| 229 | Waste management | 50 | 1.9K | 126 | 51 |
| 231 | Engineering | 116 | 1.9K | 466 | 459 |
| 232 | nuclear magnetic resonance | 66 | 1.9K | 150 | 136 |
| 233 | Animal Behavior | 31 | 1.9K | 603 | 452 |
| 234 | Mental Health | 79 | 1.9K | 158 | 140 |
| 235 | Polymers | 80 | 1.9K | 1177 | 1152 |
| 236 | crime | 82 | 1.9K | 37 | 54 |
| 237 | Crisis Intervention | 46 | 1.9K | 3 | 2 |
| 238 | sports administration | 61 | 1.8K | 3 | 2 |
| 239 | Virulence | 37 | 1.8K | 265 | 311 |
| 240 | Insects | 26 | 1.8K | 461 | 134 |
| 241 | Urban Policy | 66 | 1.8K | 26 | 30 |
| 242 | Educational Psychology | 51 | 1.8K | 270 | 229 |
| 242 | Vaccines | 100 | 1.8K | 159 | 295 |
| 244 | Appetite | 37 | 1.8K | 89 | 49 |
| 245 | locomotion | 37 | 1.8K | 92 | 50 |
| 245 | posture | 37 | 1.8K | 92 | 50 |
| 245 | gait | 37 | 1.8K | 92 | 50 |
| 245 | walking | 37 | 1.8K | 92 | 50 |
| 249 | Pediatrics | 63 | 1.8K | 536 | 701 |
| 250 | Ethology | 23 | 1.8K | 555 | 393 |
| 251 | Autism | 70 | 1.7K | 54 | 101 |
| 252 | disabilities | 107 | 1.7K | 19 | 43 |
| 253 | Earthquake Engineering | 49 | 1.7K | 266 | 212 |
| 254 | Antioxidants | 16 | 1.7K | 223 | 107 |
| 255 | Condensed Matter | 55 | 1.7K | 1229 | 1079 |
| 256 | Microorganisms | 37 | 1.7K | 205 | 230 |
| 257 | violence | 76 | 1.7K | 69 | 110 |
| 258 | Obesity | 70 | 1.7K | 329 | 486 |
| 259 | rivers | 30 | 1.6K | 12 | 6 |
| 260 | Human Geography | 50 | 1.6K | 182 | 128 |
| 261 | Bacteria | 23 | 1.6K | 63 | 48 |
| 262 | Forest Ecology | 40 | 1.6K | 196 | 168 |
| 262 | Forest Management | 40 | 1.6K | 189 | 157 |
| 264 | Therapeutics | 50 | 1.6K | 354 | 418 |
| 265 | Biomass Energy | 27 | 1.6K | 834 | 609 |
| 266 | Ecosystem management | 52 | 1.6K | 39 | 72 |
| 267 | Hydraulic Engineering | 52 | 1.6K | 185 | 139 |
| 268 | Developing countries | 72 | 1.5K | 252 | 333 |
| 269 | Molecular Genetics | 48 | 1.5K | 410 | 511 |
| 270 | Environmental pollutants | 54 | 1.5K | 311 | 370 |
| 271 | Biogeochemical cycles | 15 | 1.5K | 176 | 141 |
| 272 | Dietetics | 114 | 1.5K | 37 | 71 |
| 272 | Crime prevention | 81 | 1.5K | 3 | 1 |
| 274 | International Relations | 80 | 1.5K | 111 | 107 |
| 275 | Automation | 35 | 1.5K | 445 | 330 |
| 276 | India | 72 | 1.5K | 131 | 18 |
| 277 | Public Policy | 55 | 1.5K | 262 | 252 |
| 278 | Mental illness | 71 | 1.5K | 324 | 604 |
| 279 | energy conservation | 32 | 1.5K | 412 | 392 |
| 279 | Speech | 43 | 1.5K | 150 | 137 |
| 281 | sex crimes | 62 | 1.5K | 29 | 40 |
| 282 | Carbon | 22 | 1.5K | 450 | 334 |
| 283 | Parasites | 48 | 1.4K | 232 | 187 |
| 284 | Genomics | 55 | 1.4K | 720 | 768 |
| 285 | Speech Disorders | 99 | 1.4K | 109 | 176 |
| 286 | technical education | 88 | 1.4K | 2 | 13 |
| 287 | Continuing Education | 82 | 1.4K | 7 | 6 |
| 288 | polymerization | 66 | 1.4K | 1093 | 1128 |
| 289 | Cognitive Science | 44 | 1.4K | 240 | 308 |
| 290 | Neurobiology | 51 | 1.4K | 413 | 658 |
| 291 | Meteorology | 41 | 1.4K | 659 | 760 |
| 292 | Human-Computer Interaction | 29 | 1.4K | 278 | 111 |
| 293 | Anxiety Disorders | 29 | 1.4K | 95 | 121 |
| 293 | Anxiety | 29 | 1.4K | 96 | 121 |
| 295 | Building Materials | 35 | 1.4K | 458 | 395 |
| 296 | actuators | 45 | 1.3K | 440 | 495 |
| 296 | transducers | 45 | 1.3K | 440 | 495 |
| 298 | Alternative Medicine | 49 | 1.3K | 233 | 169 |
| 299 | Land use | 46 | 1.3K | 87 | 99 |
| 300 | Oral communication | 36 | 1.3K | 21 | 14 |
| 301 | Early Childhood Education | 75 | 1.3K | 16 | 20 |
| 302 | International Finance | 58 | 1.3K | 177 | 208 |
| 302 | social marketing | 65 | 1.3K | 1 | 1 |
| 304 | Language Disorders | 97 | 1.3K | 68 | 117 |
| 304 | Economic Development | 49 | 1.3K | 266 | 361 |
| 306 | Water Purification | 34 | 1.3K | 160 | 70 |
| 306 | wind erosion | 13 | 1.3K | 15 | 6 |
| 308 | Research Design | 32 | 1.3K | 265 | 239 |
| 309 | Manufacturing Processes | 24 | 1.3K | 895 | 422 |
| 310 | complementary therapies | 50 | 1.3K | 240 | 174 |
| 311 | Population Genetics | 45 | 1.3K | 233 | 349 |
| 312 | Speech Perception | 30 | 1.3K | 7 | 14 |
| 312 | auditory perception | 30 | 1.3K | 11 | 19 |
| 314 | Pregnancy | 40 | 1.3K | 101 | 61 |
| 315 | Industrial Safety | 45 | 1.3K | 125 | 112 |
| 316 | Restoration Ecology | 25 | 1.3K | 57 | 26 |
| 317 | infection | 35 | 1.3K | 414 | 415 |
| 318 | pollutants | 50 | 1.3K | 258 | 390 |
| 319 | Image Processing | 32 | 1.2K | 518 | 418 |
| 320 | sustainability | 41 | 1.2K | 47 | 130 |
| 320 | Earth Sciences | 54 | 1.2K | 832 | 888 |
| 322 | Host-parasite interactions | 28 | 1.2K | 351 | 504 |
| 323 | Reproduction | 63 | 1.2K | 472 | 594 |
| 324 | Civil Engineering | 41 | 1.2K | 409 | 116 |
| 325 | environmental exposure | 52 | 1.2K | 216 | 300 |
| 326 | Respiration | 48 | 1.2K | 293 | 378 |
| 327 | Immunotherapy | 29 | 1.2K | 569 | 617 |
| 327 | Biogeochemistry | 25 | 1.2K | 406 | 401 |
| 329 | Building | 27 | 1.2K | 226 | 66 |
| 330 | Electrical Engineering | 93 | 1.2K | 595 | 390 |
| 331 | Educational Technology | 70 | 1.2K | 75 | 136 |
| 332 | Ecological Engineering | 24 | 1.2K | 66 | 53 |
| 333 | Career development | 43 | 1.2K | 9 | 5 |
| 333 | Soil ecology | 30 | 1.2K | 130 | 122 |
| 335 | Medical Anthropology | 35 | 1.2K | 275 | 351 |
| 336 | Vocational Education | 80 | 1.2K | 18 | 29 |
| 337 | Cybernetics | 34 | 1.1K | 263 | 229 |
| 337 | ecotourism | 58 | 1.1K | 1 | 5 |
| 337 | Fuzzy systems | 21 | 1.1K | 461 | 93 |
| 340 | pain | 58 | 1.1K | 209 | 411 |
| 341 | Political Science | 167 | 1.1K | 125 | 308 |
| 342 | Rural Development | 27 | 1.1K | 73 | 42 |
| 343 | health planning | 59 | 1.1K | 241 | 273 |
| 344 | water supply | 37 | 1.1K | 221 | 276 |
| 345 | speech therapy | 81 | 1.1K | 13 | 32 |
| 345 | China | 79 | 1.1K | 389 | 437 |
| 347 | Family | 50 | 1.1K | 146 | 169 |
| 348 | recreation | 54 | 1.1K | 65 | 53 |
| 349 | Data Mining | 28 | 1.1K | 319 | 287 |
| 350 | Membranes | 20 | 1.1K | 788 | 627 |
| 351 | Hematology | 47 | 1.1K | 1302 | 1258 |
| 352 | viruses | 29 | 1.1K | 539 | 649 |
| 353 | Pharmacy | 67 | 1.1K | 329 | 507 |
| 354 | Information Technology | 76 | 1.1K | 194 | 343 |
| 355 | Exercise | 52 | 1.1K | 167 | 174 |
| 356 | Molecular ecology | 32 | 1.1K | 280 | 434 |
| 357 | Growth | 11 | 1.0K | 752 | 566 |
| 358 | civil service | 19 | 1.0K | 84 | 35 |
| 359 | Mathematics | 80 | 1.0K | 1693 | 1448 |
| 360 | Environmental Psychology | 12 | 1.0K | 91 | 57 |
| 361 | Evolutionary Computation | 10 | 1.0K | 122 | 60 |
| 362 | Social welfare | 52 | 1.0K | 41 | 40 |
| 363 | Infections | 18 | 1.0K | 461 | 395 |
| 364 | United Kingdom | 42 | 1.0K | 374 | 558 |
| 365 | Birds | 64 | 1.0K | 175 | 188 |
| 366 | Soil Mechanics | 30 | 1.0K | 358 | 306 |
| 367 | Work | 81 | 1.0K | 5 | 26 |
| 368 | Special Education | 44 | 995 | 112 | 104 |
| 369 | gene mapping | 22 | 994 | 781 | 699 |
| 370 | Natural resources | 31 | 991 | 123 | 152 |
| 370 | Swarm Intelligence | 4 | 991 | 194 | 28 |
| 372 | Culture | 207 | 984 | 6 | 82 |
| 373 | Smoking | 26 | 980 | 229 | 180 |
| 374 | Youth | 32 | 978 | 115 | 134 |
| 375 | Diabetes | 23 | 969 | 992 | 1027 |
| 376 | behavior therapy | 39 | 963 | 194 | 220 |
| 377 | Ornithology | 60 | 957 | 128 | 147 |
| 378 | Nanostructures | 22 | 955 | 792 | 675 |
| 379 | Electronics | 63 | 953 | 842 | 896 |
| 380 | Project Management | 16 | 946 | 67 | 72 |
| 381 | Social behavior | 24 | 945 | 353 | 322 |
| 382 | Environmental Microbiology | 18 | 944 | 513 | 452 |
| 383 | food technology | 18 | 943 | 1148 | 695 |
| 384 | drug development | 26 | 941 | 201 | 447 |
| 385 | Geology | 36 | 935 | 1164 | 1039 |
| 385 | Diabetes mellitus | 19 | 935 | 1047 | 1005 |
| 387 | Green Chemistry | 28 | 932 | 560 | 676 |
| 388 | Social problems | 31 | 923 | 90 | 123 |
| 389 | Consumer education | 21 | 920 | 30 | 34 |
| 390 | Homeostasis | 3 | 918 | 548 | 428 |
| 390 | Cell metabolism | 3 | 918 | 848 | 441 |
| 392 | Housing | 26 | 914 | 56 | 49 |
| 393 | Learning disabilities | 49 | 912 | 108 | 137 |
| 394 | Medical Technology | 18 | 908 | 620 | 294 |
| 395 | Photonics | 18 | 905 | 822 | 683 |
| 396 | Geophysics | 36 | 900 | 1454 | 1472 |
| 397 | Clinical Pharmacology | 38 | 895 | 314 | 337 |
| 397 | micromechanics | 24 | 895 | 123 | 94 |
| 397 | counseling | 32 | 895 | 333 | 276 |
| 400 | free radicals | 26 | 888 | 440 | 555 |
| 400 | Plant diseases | 38 | 888 | 564 | 533 |
| 402 | Medical innovations | 11 | 884 | 540 | 550 |
| 402 | economic analysis | 80 | 884 | 7 | 5 |
| 404 | Nervous system | 33 | 882 | 825 | 1075 |
| 405 | econometric models | 44 | 877 | 12 | 32 |
| 406 | Drug delivery systems | 15 | 876 | 674 | 474 |
| 407 | Microelectronics | 24 | 873 | 743 | 722 |
| 408 | Eating Disorders | 25 | 871 | 251 | 196 |
| 409 | Education policy | 24 | 867 | 4 | 3 |
| 410 | Occupational Therapy | 60 | 863 | 110 | 89 |
| 411 | environmental indicators | 43 | 860 | 70 | 183 |
| 411 | Freshwater invertebrates | 23 | 860 | 19 | 35 |
| 413 | older people | 39 | 853 | 371 | 226 |
| 414 | Critical Care | 42 | 849 | 410 | 832 |
| 415 | Community Psychiatry | 31 | 847 | 198 | 246 |
| 415 | Hydrodynamics | 22 | 847 | 147 | 122 |
| 417 | Sustainable Engineering | 25 | 845 | 501 | 503 |
| 418 | Emergency Nursing | 56 | 841 | 4 | 3 |
| 418 | drug resistance | 28 | 841 | 63 | 66 |
| 420 | Orthopedics | 50 | 838 | 339 | 490 |
| 421 | behavioral medicine | 35 | 837 | 277 | 409 |
| 422 | Chemical analysis | 20 | 836 | 381 | 196 |
| 423 | Travel | 50 | 831 | 67 | 93 |
| 424 | Environmental Education | 33 | 830 | 24 | 33 |
| 425 | Neurosurgery | 23 | 826 | 404 | 344 |
| 426 | Biosensors | 20 | 825 | 422 | 503 |
| 427 | Environmental Geology | 40 | 821 | 239 | 364 |
| 428 | Telecommunication | 32 | 820 | 615 | 375 |
| 429 | Soil fertility | 22 | 819 | 59 | 86 |
| 430 | Leadership | 15 | 809 | 105 | 139 |
| 431 | Molecular evolution | 28 | 804 | 424 | 546 |
| 432 | Physical Chemistry | 10 | 802 | 1583 | 875 |
| 432 | Operations Research | 24 | 802 | 887 | 695 |
| 432 | Cognitive neuroscience | 11 | 802 | 544 | 435 |
| 435 | occupational diseases | 25 | 799 | 222 | 207 |
| 436 | Bioelectronics | 17 | 796 | 385 | 465 |
| 437 | Immune system | 11 | 793 | 617 | 713 |
| 438 | Family Therapy | 41 | 791 | 115 | 112 |
| 439 | Population | 22 | 786 | 300 | 185 |
| 439 | children | 20 | 786 | 144 | 112 |
| 441 | Community Psychology | 17 | 780 | 174 | 171 |
| 442 | Biodegradation | 10 | 778 | 268 | 75 |
| 442 | Feeding and Eating Disorders | 23 | 778 | 260 | 209 |
| 442 | data collection | 18 | 778 | 291 | 301 |
| 442 | drug therapy | 26 | 778 | 952 | 887 |
| 446 | Inflammation | 34 | 776 | 217 | 339 |
| 447 | Disease | 7 | 773 | 169 | 410 |
| 448 | glycoproteins | 24 | 772 | 77 | 111 |
| 448 | Glycoconjugates | 24 | 772 | 77 | 111 |
| 448 | glycolipids | 24 | 772 | 77 | 111 |
| 451 | Brain damage | 29 | 769 | 46 | 64 |
| 452 | Emergency Medicine | 33 | 768 | 440 | 343 |
| 453 | Developmental Biology | 20 | 767 | 939 | 1025 |
| 454 | health services | 49 | 764 | 150 | 208 |
| 455 | Climatology | 29 | 761 | 607 | 703 |
| 456 | Socialization | 19 | 760 | 137 | 130 |
| 457 | Archaeology | 87 | 759 | 172 | 309 |
| 457 | Hypertension | 12 | 759 | 1048 | 923 |
| 459 | Inclusive Education | 27 | 755 | 4 | 7 |
| 459 | drugs | 40 | 755 | 495 | 623 |
| 461 | Integration | 26 | 750 | 4 | 7 |
| 462 | Malaria | 18 | 748 | 264 | 166 |
| 463 | computer networks | 23 | 736 | 877 | 579 |
| 464 | innovation | 13 | 730 | 203 | 267 |
| 465 | Light | 11 | 727 | 562 | 611 |
| 466 | Genetic engineering | 39 | 725 | 485 | 886 |
| 467 | Intellectual disability | 43 | 722 | 134 | 212 |
| 468 | Plant Ecology | 33 | 717 | 489 | 732 |
| 468 | Diplomatic relations | 55 | 717 | 75 | 19 |
| 470 | Diagnostic microbiology | 9 | 715 | 938 | 783 |
| 471 | scientific societies | 36 | 713 | 115 | 185 |
| 472 | Health Information Management | 2 | 712 | 459 | 132 |
| 473 | diseases | 7 | 711 | 176 | 439 |
| 474 | Schizophrenia | 23 | 702 | 414 | 456 |
| 475 | Hospitality industry | 31 | 701 | 22 | 27 |
| 475 | Continental shelf | 10 | 701 | 199 | 110 |
| 477 | Tunneling | 15 | 699 | 102 | 85 |
| 477 | underground construction | 15 | 699 | 102 | 85 |
| 479 | Molecules | 41 | 696 | 411 | 505 |
| 479 | Aggression | 30 | 696 | 49 | 113 |
| 481 | disease vectors | 30 | 695 | 174 | 208 |
| 482 | Oncogenes | 9 | 691 | 840 | 768 |
| 483 | Body Image | 22 | 689 | 28 | 39 |
| 484 | Evidence-Based Medicine | 34 | 682 | 200 | 164 |
| 485 | Wetland ecology | 23 | 678 | 61 | 70 |
| 486 | Stress | 12 | 677 | 43 | 11 |
| 487 | Speech-Language Pathology | 47 | 674 | 8 | 19 |
| 488 | Geriatric Oncology | 18 | 673 | 156 | 114 |
| 489 | Physical organic chemistry | 30 | 671 | 324 | 340 |
| 490 | Carcinogenesis | 22 | 669 | 278 | 369 |
| 491 | Urban Planning | 12 | 667 | 136 | 60 |
| 492 | community development | 13 | 665 | 214 | 64 |
| 493 | Geochemistry | 15 | 661 | 1160 | 953 |
| 493 | Social Change | 14 | 661 | 342 | 300 |
| 495 | Anatomy | 21 | 660 | 862 | 810 |
| 495 | Aerosols | 34 | 660 | 115 | 163 |
| 497 | Logic Programming | 14 | 657 | 90 | 16 |
| 498 | Randomized Controlled Trials | 50 | 653 | 127 | 141 |
| 499 | dietary supplements | 11 | 651 | 307 | 128 |
| 500 | Aquaculture | 38 | 645 | 364 | 470 |
| 501 | Occupational Health | 40 | 644 | 172 | 225 |
| 501 | Clinical Immunology | 16 | 644 | 611 | 417 |
| 503 | Marine resources | 29 | 643 | 73 | 91 |
| 503 | commerce | 36 | 643 | 282 | 481 |
| 505 | Entrepreneurship | 10 | 641 | 504 | 428 |
| 506 | Food Microbiology | 10 | 636 | 740 | 517 |
| 507 | Women's health | 30 | 635 | 254 | 263 |
| 508 | Coastal zone management | 24 | 634 | 93 | 91 |
| 509 | Transport | 28 | 632 | 97 | 160 |
| 510 | Chromosome mapping | 20 | 629 | 752 | 791 |
| 511 | Drug design | 21 | 626 | 564 | 553 |
| 512 | Parenteral nutrition | 23 | 624 | 330 | 450 |
| 513 | Auditing | 12 | 622 | 110 | 68 |
| 513 | Law enforcement | 37 | 622 | 5 | 9 |
| 515 | Dynamics | 18 | 617 | 805 | 345 |
| 516 | natural disasters | 19 | 614 | 390 | 347 |
| 517 | Planets | 11 | 613 | 1101 | 944 |
| 517 | Development | 24 | 613 | 192 | 307 |
| 519 | environmental issues | 61 | 610 | 12 | 62 |
| 520 | Ecohydrology | 14 | 609 | 54 | 23 |
| 521 | Production Management | 10 | 604 | 621 | 570 |
| 522 | Medical Laboratory Science | 26 | 602 | 667 | 879 |
| 523 | Child welfare | 42 | 601 | 185 | 240 |
| 523 | Crystallography | 48 | 601 | 349 | 360 |
| 525 | Econometrics | 43 | 593 | 275 | 435 |
| 525 | Anti-inflammatory agents | 26 | 593 | 13 | 13 |
| 525 | consumer behavior | 13 | 593 | 165 | 169 |
| 528 | Mathematical Physics | 23 | 592 | 1445 | 1062 |
| 528 | Long-Term Care | 14 | 592 | 193 | 195 |
| 528 | Long-term care facilities | 14 | 592 | 190 | 195 |
| 528 | proteins | 28 | 592 | 745 | 870 |
| 532 | Histology | 16 | 591 | 923 | 821 |
| 532 | preventive medicine | 12 | 591 | 707 | 529 |
| 534 | child behavior | 14 | 589 | 138 | 124 |
| 535 | Molecular structure | 14 | 588 | 1350 | 968 |
| 536 | Psychopharmacology | 18 | 587 | 769 | 854 |
| 537 | Engineering Mathematics | 20 | 583 | 1080 | 532 |
| 538 | Nutrition physiology | 12 | 575 | 319 | 225 |
| 539 | Teacher Education | 40 | 574 | 5 | 5 |
| 539 | Engineering Geology | 30 | 574 | 394 | 536 |
| 541 | Sociolinguistics | 23 | 571 | 80 | 70 |
| 542 | Scandinavia | 15 | 568 | 274 | 193 |
| 543 | Pathology | 31 | 566 | 855 | 1259 |
| 543 | Decision making | 25 | 566 | 390 | 446 |
| 545 | Municipal Engineering | 10 | 563 | 86 | 17 |
| 545 | health services accessibility | 28 | 563 | 199 | 207 |
| 545 | Nonprofit organizations | 13 | 563 | 79 | 45 |
| 548 | Medical Oncology | 17 | 562 | 1011 | 945 |
| 548 | Juvenile delinquency | 27 | 562 | 63 | 57 |
| 548 | Carbohydrates | 17 | 562 | 110 | 141 |
| 548 | Hazardous waste | 9 | 562 | 500 | 378 |
| 552 | Developmental Immunology | 6 | 561 | 604 | 176 |
| 553 | Energy Storage | 17 | 559 | 519 | 449 |
| 554 | Medicinal plants | 20 | 558 | 455 | 545 |
| 554 | Hormones | 9 | 558 | 917 | 585 |
| 554 | East Asia | 63 | 558 | 18 | 21 |
| 557 | behavior modification | 6 | 556 | 295 | 191 |
| 557 | radioactive waste | 8 | 556 | 437 | 352 |
| 557 | industrial waste | 8 | 556 | 473 | 354 |
| 560 | Personality Assessment | 6 | 552 | 403 | 204 |
| 561 | planning | 23 | 551 | 116 | 85 |
| 562 | Anthropology | 41 | 550 | 402 | 417 |
| 562 | health behavior | 18 | 550 | 349 | 308 |
| 564 | Neurogenetics | 9 | 548 | 100 | 29 |
| 564 | Molecular Microbiology | 13 | 548 | 458 | 559 |
| 566 | nucleic acids | 16 | 547 | 927 | 1122 |
| 567 | Oligosaccharide | 15 | 546 | 75 | 111 |
| 568 | Patient education | 14 | 542 | 244 | 232 |
| 569 | irrigation | 22 | 540 | 92 | 64 |
| 570 | Neonatology | 20 | 535 | 138 | 142 |
| 571 | Disability Studies | 27 | 534 | 11 | 9 |
| 572 | Ergonomics | 23 | 531 | 340 | 280 |
| 573 | Public opinion | 17 | 530 | 88 | 91 |
| 574 | Computational Chemistry | 12 | 528 | 295 | 285 |
| 574 | child mental health | 35 | 528 | 50 | 77 |
| 576 | Nonlinear Dynamics | 19 | 527 | 1100 | 995 |
| 577 | families | 33 | 526 | 155 | 193 |
| 578 | Venture Capital | 3 | 525 | 311 | 233 |
| 579 | Bioremediation | 17 | 524 | 128 | 170 |
| 580 | Database Management | 26 | 523 | 227 | 317 |
| 581 | Marine Ecology | 28 | 521 | 160 | 172 |
| 582 | biological monitoring | 18 | 510 | 84 | 104 |
| 583 | movement | 10 | 509 | 108 | 60 |
| 583 | internet | 23 | 509 | 284 | 249 |
| 583 | Perception | 23 | 509 | 794 | 896 |
| 586 | Proteomics | 19 | 504 | 357 | 517 |
| 587 | biocatalysis | 1 | 501 | 405 | 193 |
| 587 | Homogeneous catalysis | 1 | 501 | 405 | 193 |
| 587 | Heterogeneous catalysis | 1 | 501 | 405 | 193 |
| 590 | Cognitive Therapy | 26 | 500 | 135 | 171 |
| 591 | Geriatric Nursing | 19 | 498 | 76 | 22 |
| 591 | organization | 13 | 498 | 343 | 411 |
| 593 | Psychiatric Epidemiology | 18 | 496 | 135 | 181 |
| 594 | Forensic Psychiatry | 57 | 495 | 31 | 115 |
| 594 | Quantum theory | 20 | 495 | 362 | 287 |
| 596 | soil management | 18 | 494 | 145 | 184 |
| 596 | Enteral nutrition | 17 | 494 | 313 | 403 |
| 598 | foreign policy | 22 | 493 | 59 | 7 |
| 599 | hazard mitigation | 16 | 491 | 278 | 237 |
| 600 | Industrial Microbiology | 22 | 486 | 654 | 982 |
| 600 | drug control | 20 | 486 | 81 | 90 |
| 602 | fertility | 10 | 485 | 745 | 608 |
| 603 | Process Control | 7 | 483 | 594 | 484 |
| 604 | Trace elements | 3 | 481 | 289 | 44 |
| 605 | Stem cells | 15 | 474 | 862 | 866 |
| 606 | Rock Mechanics | 23 | 470 | 322 | 398 |
| 606 | Recombinant DNA | 28 | 470 | 399 | 604 |
| 608 | Production Engineering | 22 | 469 | 713 | 597 |
| 609 | Industrial Sociology | 12 | 468 | 79 | 39 |
| 610 | Intercultural Communication | 27 | 467 | 22 | 57 |
| 611 | Magnetic Materials | 15 | 464 | 747 | 610 |
| 612 | Fishery resources | 25 | 462 | 112 | 195 |
| 613 | Molecular cloning | 26 | 460 | 388 | 565 |
| 613 | Genetic recombination | 26 | 460 | 372 | 559 |
| 615 | Social Issues | 13 | 459 | 76 | 68 |
| 615 | Physical fitness | 35 | 459 | 168 | 369 |
| 617 | Serology | 2 | 458 | 834 | 98 |
| 618 | correctional psychology | 18 | 455 | 50 | 65 |
| 619 | Multicultural Education | 40 | 451 | 17 | 48 |
| 620 | Sea | 24 | 450 | 101 | 183 |
| 621 | Mitochondria | 8 | 449 | 130 | 49 |
| 622 | Surgery | 16 | 448 | 1184 | 1499 |
| 623 | mental health promotion | 17 | 446 | 23 | 34 |
| 623 | software | 23 | 446 | 141 | 299 |
| 623 | tillage | 14 | 446 | 126 | 168 |
| 626 | wetland management | 16 | 445 | 10 | 17 |
| 627 | place marketing | 13 | 440 | 9 | 14 |
| 627 | Allergy | 22 | 440 | 495 | 1011 |
| 629 | Risk assessment | 13 | 438 | 145 | 59 |
| 629 | Attention | 16 | 438 | 912 | 899 |
| 631 | Spectrum analysis | 23 | 437 | 2238 | 2413 |
| 632 | Systems Engineering | 31 | 433 | 538 | 636 |
| 632 | Cytogenetics | 9 | 433 | 1111 | 1134 |
| 634 | Bioinorganic chemistry | 15 | 431 | 735 | 632 |
| 635 | Bones | 18 | 429 | 369 | 478 |
| 636 | Pharmacogenetics | 13 | 428 | 499 | 524 |
| 636 | local government | 13 | 428 | 106 | 63 |
| 636 | Technological Innovations | 20 | 428 | 203 | 290 |
| 639 | Pharmacy management | 41 | 427 | 26 | 37 |
| 640 | Computer-Aided Design | 6 | 426 | 989 | 408 |
| 640 | curriculum evaluation | 29 | 426 | 27 | 54 |
| 642 | Social policy | 36 | 425 | 162 | 247 |
| 643 | Electrochemical Analysis | 17 | 423 | 662 | 634 |
| 644 | Health Services Administration | 40 | 422 | 141 | 379 |
| 645 | Structural dynamics | 9 | 421 | 684 | 500 |
| 646 | Hemodynamics | 3 | 417 | 748 | 392 |
| 647 | corrections | 12 | 414 | 47 | 22 |
| 648 | Embryology | 10 | 412 | 1088 | 1094 |
| 648 | Phylogeny | 16 | 412 | 341 | 478 |
| 650 | Comparative Physiology | 13 | 410 | 413 | 345 |
| 651 | animals | 26 | 409 | 332 | 339 |
| 652 | Computational Intelligence | 12 | 404 | 315 | 127 |
| 653 | Mechatronics | 9 | 401 | 364 | 134 |
| 654 | Control Theory | 21 | 400 | 701 | 634 |
| 655 | Quantum Optics | 18 | 399 | 340 | 324 |
| 655 | Memory | 17 | 399 | 927 | 1071 |
| 657 | Infertility | 1 | 397 | 1979 | 638 |
| 658 | Water Microbiology | 14 | 396 | 72 | 104 |
| 658 | drainage | 11 | 396 | 159 | 54 |
| 660 | Microfabrication | 13 | 395 | 123 | 84 |
| 661 | punishment | 10 | 392 | 18 | 14 |
| 662 | Cosmochemistry | 6 | 391 | 758 | 456 |
| 663 | Philosophy | 28 | 390 | 632 | 327 |
| 663 | bioclimatology | 13 | 390 | 327 | 265 |
| 665 | Reproductive health | 12 | 389 | 347 | 259 |
| 666 | Distance Education | 14 | 388 | 97 | 81 |
| 667 | Restorative justice | 23 | 385 | 8 | 6 |
| 667 | Climate | 11 | 385 | 255 | 248 |
| 667 | weather | 11 | 385 | 208 | 157 |
| 670 | Otolaryngology | 3 | 384 | 734 | 225 |
| 670 | role | 13 | 384 | 139 | 185 |
| 672 | Corporate governance | 10 | 383 | 190 | 148 |
| 672 | Communication Disorders | 30 | 383 | 23 | 59 |
| 674 | Energy Harvesting | 4 | 381 | 460 | 356 |
| 675 | Cell differentiation | 12 | 380 | 1093 | 1376 |
| 675 | Algae | 19 | 380 | 283 | 382 |
| 677 | Information Retrieval | 14 | 379 | 149 | 202 |
| 677 | Technology Assessment | 8 | 379 | 92 | 68 |
| 677 | Cost effectiveness | 8 | 379 | 22 | 14 |
| 680 | Signal Processing | 31 | 378 | 535 | 710 |
| 681 | Socioeconomic Factors | 20 | 377 | 197 | 237 |
| 681 | toxicity testing | 11 | 377 | 277 | 245 |
| 683 | Cross-Cultural Studies | 27 | 375 | 61 | 138 |
| 684 | Systems Biology | 24 | 374 | 477 | 597 |
| 685 | Information Theory | 20 | 373 | 414 | 458 |
| 686 | Economic Assistance | 16 | 369 | 243 | 393 |
| 687 | carcinogens | 7 | 368 | 722 | 592 |
| 688 | Holistic Health | 17 | 366 | 61 | 70 |
| 688 | aerosol | 23 | 366 | 93 | 149 |
| 690 | Oxidative stress | 8 | 365 | 735 | 671 |
| 690 | DNA polymerases | 2 | 365 | 686 | 477 |
| 692 | Relationships | 4 | 357 | 132 | 59 |
| 693 | Analytical Biochemistry | 15 | 356 | 781 | 865 |
| 694 | Fluid Mechanics | 10 | 355 | 1157 | 798 |
| 694 | Metals | 13 | 355 | 1358 | 1173 |
| 696 | Outdoor recreation | 17 | 354 | 4 | 2 |
| 697 | Vaccination | 16 | 352 | 40 | 74 |
| 697 | Screening | 2 | 352 | 301 | 25 |
| 699 | Metallurgy | 14 | 350 | 1416 | 1216 |
| 699 | Heritage Tourism | 9 | 350 | 12 | 6 |
| 699 | cultural tourism | 9 | 350 | 12 | 6 |
| 702 | Cardiovascular diseases | 14 | 349 | 879 | 785 |
| 703 | Databases | 11 | 348 | 203 | 174 |
| 703 | deviant behavior | 17 | 348 | 59 | 49 |
| 705 | Ophthalmology | 12 | 346 | 1156 | 1022 |
| 706 | Organizational Behavior | 10 | 345 | 313 | 343 |
| 707 | Ecological Genetics | 20 | 344 | 127 | 132 |
| 708 | Genetic regulation | 11 | 343 | 658 | 902 |
| 709 | Seaweed | 16 | 342 | 212 | 320 |
| 709 | allied health | 15 | 342 | 39 | 56 |
| 711 | Human evolution | 17 | 339 | 155 | 263 |
| 711 | Marriage | 8 | 339 | 267 | 178 |
| 713 | Visual Perception | 11 | 337 | 1105 | 1021 |
| 714 | biomedicine | 6 | 335 | 626 | 262 |
| 715 | ethnicity | 19 | 334 | 186 | 127 |
| 715 | Fouling | 4 | 334 | 190 | 76 |
| 717 | Computer Vision | 6 | 333 | 944 | 736 |
| 717 | Informatics | 13 | 333 | 372 | 379 |
| 719 | Palliative Care | 32 | 332 | 156 | 315 |
| 720 | world | 13 | 330 | 317 | 513 |
| 721 | Human Rights | 29 | 329 | 73 | 123 |
| 721 | Proteome | 11 | 329 | 706 | 814 |
| 723 | Medical Ethics | 26 | 328 | 307 | 306 |
| 724 | Artificial Organs | 30 | 326 | 136 | 213 |
| 724 | Emotions | 17 | 326 | 203 | 368 |
| 726 | Photochemistry | 13 | 324 | 960 | 919 |
| 726 | Investment analysis | 19 | 324 | 126 | 236 |
| 726 | Finite Element Method | 2 | 324 | 451 | 52 |
| 729 | Psycholinguistics | 15 | 323 | 422 | 532 |
| 729 | consumers | 13 | 323 | 84 | 129 |
| 731 | Linguistics | 22 | 320 | 566 | 518 |
| 731 | Agricultural Chemistry | 24 | 320 | 888 | 1376 |
| 733 | arthritis | 11 | 319 | 846 | 1024 |
| 734 | Language Policy | 14 | 317 | 8 | 8 |
| 734 | Language planning | 14 | 317 | 18 | 3 |
| 736 | Steroids | 6 | 315 | 846 | 547 |
| 737 | Job satisfaction | 8 | 313 | 29 | 72 |
| 737 | Environmentalism | 12 | 313 | 24 | 50 |
| 737 | job stress | 8 | 313 | 29 | 72 |
| 737 | Sales management | 4 | 313 | 176 | 202 |
| 737 | selling | 4 | 313 | 176 | 202 |
| 742 | Humanities | 27 | 311 | 408 | 256 |
| 743 | Food additives | 6 | 310 | 969 | 690 |
| 743 | individual differences | 10 | 310 | 88 | 119 |
| 745 | Investments | 14 | 309 | 149 | 103 |
| 746 | Transportation Engineering | 12 | 305 | 196 | 164 |
| 747 | Art Therapy | 14 | 302 | 28 | 15 |
| 747 | cultural pluralism | 17 | 302 | 49 | 59 |
| 749 | Feminism | 24 | 300 | 99 | 140 |
| 749 | plant communities | 15 | 300 | 525 | 804 |
| 751 | Mass Media | 161 | 299 | 9 | 137 |
| 752 | Soil dynamics | 13 | 297 | 176 | 202 |
| 753 | school sports | 13 | 295 | 31 | 30 |
| 753 | women | 25 | 295 | 149 | 147 |
| 755 | Computer Graphics | 2 | 291 | 2359 | 836 |
| 756 | death | 14 | 290 | 44 | 38 |
| 757 | Capital market | 12 | 289 | 110 | 158 |
| 757 | lasers | 24 | 289 | 623 | 704 |
| 759 | Chemotherapy | 12 | 288 | 825 | 880 |
| 759 | school-to-work transition | 12 | 288 | 10 | 12 |
| 761 | polar regions | 12 | 286 | 314 | 300 |
| 762 | Hospitals | 10 | 285 | 376 | 286 |
| 763 | Mineral resources | 17 | 284 | 89 | 224 |
| 763 | enzymes | 9 | 284 | 1023 | 970 |
| 765 | Photobiology | 9 | 283 | 872 | 702 |
| 766 | Genetic therapy | 14 | 282 | 640 | 964 |
| 767 | Statistics | 21 | 281 | 1237 | 1357 |
| 768 | economic conditions | 30 | 280 | 109 | 279 |
| 769 | Oral Medicine | 15 | 279 | 248 | 114 |
| 770 | Plants | 15 | 278 | 1154 | 1422 |
| 771 | International Education | 11 | 276 | 48 | 46 |
| 772 | population geography | 21 | 275 | 49 | 111 |
| 773 | Oral Pathology | 4 | 274 | 58 | 22 |
| 774 | libraries | 7 | 273 | 491 | 155 |
| 775 | breastfeeding | 15 | 272 | 138 | 176 |
| 775 | sports injuries | 18 | 272 | 118 | 108 |
| 777 | Depression | 6 | 271 | 233 | 331 |
| 778 | Emergency Medical Services | 18 | 270 | 212 | 235 |
| 778 | Thermodynamics | 13 | 270 | 548 | 363 |
| 780 | Cognitive Behavioral Therapy | 8 | 268 | 115 | 93 |
| 781 | Online social networks | 10 | 267 | 74 | 59 |
| 781 | Organic Geochemistry | 3 | 267 | 462 | 278 |
| 783 | Landscape Ecology | 15 | 265 | 130 | 287 |
| 783 | Mass Spectrometry | 9 | 265 | 822 | 737 |
| 785 | Sedimentology | 7 | 264 | 395 | 350 |
| 785 | Measurement | 8 | 264 | 822 | 542 |
| 785 | cell interaction | 7 | 264 | 854 | 771 |
| 788 | land degradation | 14 | 262 | 94 | 199 |
| 788 | degradation | 14 | 262 | 94 | 199 |
| 790 | Microfluidics | 6 | 261 | 130 | 83 |
| 790 | System analysis | 23 | 261 | 929 | 1337 |
| 790 | civilization | 62 | 261 | 159 | 72 |
| 790 | Chromatographic analysis | 11 | 261 | 1151 | 937 |
| 794 | Journalism | 41 | 260 | 55 | 118 |
| 795 | Popular culture | 18 | 259 | 111 | 56 |
| 796 | mutagens | 3 | 258 | 1020 | 708 |
| 796 | biological invasions | 12 | 258 | 238 | 341 |
| 798 | Criminal Law | 12 | 256 | 92 | 90 |
| 799 | Physical Geography | 4 | 254 | 568 | 221 |
| 800 | Tropical Medicine | 19 | 253 | 721 | 911 |
| 801 | Diagnostic Imaging | 4 | 252 | 2363 | 1263 |
| 801 | Cardiovascular system | 11 | 252 | 1060 | 1729 |
| 803 | Nonlinear systems | 4 | 250 | 606 | 252 |
| 804 | Advertising | 12 | 249 | 116 | 211 |
| 804 | Leukemia | 4 | 249 | 1377 | 987 |
| 806 | Computer Science | 32 | 248 | 484 | 844 |
| 807 | cultural policy | 145 | 246 | 1 | 45 |
| 807 | Biomass | 3 | 246 | 755 | 472 |
| 807 | Jurisprudence | 28 | 246 | 244 | 403 |
| 810 | Industrial Ecology | 5 | 245 | 131 | 142 |
| 810 | Electrophoresis | 9 | 245 | 1158 | 1064 |
| 810 | Solid State Chemistry | 13 | 245 | 1565 | 1526 |
| 810 | Quantum Communication | 7 | 245 | 120 | 118 |
| 810 | Roads | 21 | 245 | 279 | 329 |
| 815 | Medical Physics | 10 | 243 | 1105 | 1089 |
| 815 | Democracy | 11 | 243 | 92 | 57 |
| 815 | Customer service | 8 | 243 | 8 | 4 |
| 815 | Securities | 7 | 243 | 119 | 122 |
| 819 | Urology | 6 | 242 | 1666 | 1387 |
| 819 | Telecommunication Systems | 14 | 242 | 723 | 726 |
| 821 | Information Systems | 19 | 240 | 426 | 790 |
| 822 | Ethnology | 17 | 239 | 603 | 563 |
| 823 | Zeolites | 4 | 238 | 938 | 640 |
| 823 | language | 6 | 238 | 593 | 444 |
| 825 | Transplantation | 6 | 237 | 1110 | 1091 |
| 826 | food contamination | 8 | 236 | 646 | 402 |
| 826 | Liver diseases | 1 | 236 | 2678 | 1472 |
| 828 | Bioenergetics | 3 | 235 | 1047 | 608 |
| 828 | Active Learning | 8 | 235 | 20 | 15 |
| 828 | Energy metabolism | 3 | 235 | 747 | 502 |
| 828 | Democratization | 9 | 235 | 25 | 34 |
| 828 | healthcare disparities | 8 | 235 | 272 | 186 |
| 828 | Multimedia Systems | 9 | 235 | 1080 | 608 |
| 834 | Pharmaceutical Technology | 13 | 234 | 819 | 1027 |
| 835 | Radiography | 3 | 233 | 779 | 440 |
| 835 | Wetland conservation | 7 | 233 | 153 | 136 |
| 835 | Wetlands | 7 | 233 | 154 | 136 |
| 835 | Meteorites | 6 | 233 | 847 | 899 |
| 839 | Input-output analysis | 6 | 231 | 146 | 123 |
| 839 | human development | 6 | 231 | 587 | 493 |
| 839 | Cell death | 6 | 231 | 1087 | 1145 |
| 839 | Microscopy | 9 | 231 | 1099 | 791 |
| 843 | Geotechnical Engineering | 7 | 230 | 486 | 395 |
| 844 | risk factors | 3 | 229 | 888 | 452 |
| 844 | construction industry | 8 | 229 | 60 | 21 |
| 846 | Rheumatology | 12 | 228 | 746 | 1009 |
| 846 | Green Technology | 11 | 228 | 87 | 84 |
| 846 | Bioethics | 21 | 228 | 297 | 333 |
| 846 | cell physiology | 5 | 228 | 1499 | 1429 |
| 850 | Pesticide residues | 3 | 227 | 60 | 52 |
| 850 | Kidney diseases | 16 | 227 | 406 | 672 |
| 852 | Multilingualism | 10 | 226 | 83 | 79 |
| 852 | Oligosaccharides | 9 | 226 | 85 | 99 |
| 852 | Harbors | 11 | 226 | 71 | 65 |
| 855 | Psychiatric Nursing | 15 | 224 | 221 | 238 |
| 855 | Atmospheric Physics | 17 | 224 | 833 | 1242 |
| 857 | Public Relations | 10 | 223 | 197 | 159 |
| 858 | Happiness | 6 | 222 | 243 | 185 |
| 859 | Dentistry | 13 | 220 | 343 | 269 |
| 859 | Corporate Social Responsibility | 5 | 220 | 165 | 179 |
| 859 | environmental auditing | 5 | 220 | 175 | 182 |
| 859 | gene therapy | 13 | 220 | 561 | 1048 |
| 859 | family violence | 29 | 220 | 54 | 231 |
| 864 | traffic safety | 7 | 219 | 164 | 85 |
| 865 | Well-being | 12 | 218 | 14 | 43 |
| 866 | Erosion | 4 | 217 | 46 | 18 |
| 867 | Antibacterial agents | 9 | 216 | 386 | 493 |
| 867 | mass transfer | 9 | 216 | 1137 | 1164 |
| 869 | Clinical Biochemistry | 3 | 215 | 1721 | 839 |
| 869 | ports | 10 | 215 | 102 | 121 |
| 869 | Waterways | 10 | 215 | 75 | 65 |
| 872 | motivation | 13 | 214 | 107 | 218 |
| 873 | Sociobiology | 2 | 213 | 406 | 119 |
| 874 | cloning | 3 | 212 | 835 | 782 |
| 875 | Ceramics | 8 | 211 | 1220 | 947 |
| 876 | Psychosomatic Medicine | 8 | 210 | 554 | 685 |
| 876 | Nonlinear Optics | 13 | 210 | 51 | 68 |
| 876 | sadness | 7 | 210 | 84 | 43 |
| 876 | antisocial personality disorder | 7 | 210 | 84 | 43 |
| 880 | Computational Linguistics | 7 | 208 | 313 | 104 |
| 880 | industrial hygiene | 31 | 208 | 213 | 398 |
| 880 | Southeast Asia | 25 | 208 | 56 | 71 |
| 880 | Sites | 20 | 208 | 155 | 452 |
| 884 | Quantum Chemistry | 3 | 207 | 1104 | 397 |
| 884 | Virtual reality | 4 | 207 | 323 | 153 |
| 886 | Ethnic relations | 19 | 206 | 130 | 166 |
| 886 | Post-traumatic stress disorder | 14 | 206 | 319 | 521 |
| 888 | emergency management | 11 | 205 | 346 | 435 |
| 888 | Action Research | 15 | 205 | 24 | 43 |
| 890 | Chromatography | 7 | 204 | 1288 | 1000 |
| 890 | Neurons | 2 | 204 | 940 | 1154 |
| 890 | Plant cells | 3 | 204 | 1287 | 1366 |
| 893 | Quality Control | 17 | 203 | 637 | 1143 |
| 894 | Fishery management | 13 | 202 | 395 | 477 |
| 895 | Knowledge management | 9 | 201 | 134 | 41 |
| 895 | Marriage counseling | 1 | 201 | 631 | 182 |
| 897 | Gender Studies | 14 | 200 | 128 | 218 |
| 898 | social justice | 17 | 199 | 53 | 45 |
| 899 | Interactive multimedia | 5 | 198 | 248 | 106 |
| 900 | Money | 9 | 197 | 91 | 190 |
| 901 | Adolescent Medicine | 11 | 195 | 293 | 757 |
| 901 | Wildlife management | 8 | 195 | 393 | 295 |
| 903 | civil rights | 13 | 194 | 101 | 97 |
| 903 | protein | 11 | 194 | 741 | 983 |
| 903 | Vision | 8 | 194 | 456 | 533 |
| 903 | Literacy | 6 | 194 | 191 | 103 |
| 907 | epilepsy | 14 | 193 | 441 | 657 |
| 907 | Atomic spectroscopy | 6 | 193 | 1018 | 739 |
| 909 | Reading | 9 | 192 | 314 | 311 |
| 909 | Glass | 7 | 192 | 899 | 883 |
| 909 | pottery | 7 | 192 | 864 | 874 |
| 912 | Mathematics Education | 12 | 191 | 149 | 147 |
| 913 | Immunopathology | 8 | 190 | 1061 | 1180 |
| 913 | poverty | 8 | 190 | 169 | 160 |
| 913 | Information management | 15 | 190 | 9 | 23 |
| 916 | Laser Spectroscopy | 5 | 189 | 795 | 492 |
| 917 | Portfolio Management | 7 | 188 | 195 | 113 |
| 918 | Robotics | 17 | 187 | 720 | 1105 |
| 918 | Metastasis | 6 | 187 | 93 | 270 |
| 918 | drug evaluation | 13 | 187 | 608 | 872 |
| 921 | Forensic Psychology | 16 | 186 | 105 | 179 |
| 921 | Geographic information systems | 14 | 186 | 398 | 455 |
| 921 | Criminal behavior | 20 | 186 | 19 | 65 |
| 924 | History | 38 | 185 | 298 | 166 |
| 925 | Nanochemistry | 9 | 184 | 725 | 540 |
| 925 | peace | 4 | 184 | 451 | 321 |
| 925 | Export Marketing | 8 | 184 | 64 | 182 |
| 928 | Library Science | 17 | 182 | 432 | 293 |
| 929 | mammals | 8 | 181 | 736 | 646 |
| 930 | Ethics | 19 | 180 | 300 | 401 |
| 931 | autism spectrum disorder | 9 | 178 | 8 | 16 |
| 932 | Software Engineering | 15 | 177 | 433 | 542 |
| 932 | Sleep | 16 | 177 | 875 | 1263 |
| 934 | Remote Sensing | 19 | 176 | 507 | 696 |
| 935 | Organometallic chemistry | 14 | 174 | 1029 | 1161 |
| 935 | Obsessive-Compulsive Disorder | 11 | 174 | 28 | 42 |
| 935 | agricultural productivity | 9 | 174 | 24 | 29 |
| 938 | Biopharmaceutics | 7 | 173 | 912 | 973 |
| 938 | School Psychology | 10 | 173 | 211 | 314 |
| 940 | Neonatal Nursing | 13 | 172 | 13 | 4 |
| 940 | Neonatal intensive care | 13 | 172 | 10 | 4 |
| 942 | Japan | 32 | 171 | 580 | 1161 |
| 942 | venom | 9 | 171 | 452 | 551 |
| 942 | Toxins | 9 | 171 | 517 | 610 |
| 945 | disarmament | 4 | 170 | 162 | 67 |
| 945 | Small Business | 6 | 170 | 577 | 831 |
| 945 | Landslides | 4 | 170 | 227 | 216 |
| 948 | Intelligent Transportation Systems | 13 | 169 | 273 | 385 |
| 948 | Environmental Economics | 12 | 169 | 103 | 208 |
| 948 | ethnic groups | 7 | 169 | 191 | 158 |
| 948 | sexual behavior | 8 | 169 | 388 | 477 |
| 952 | Environmental risk assessment | 14 | 168 | 77 | 198 |
| 953 | Paleoclimatology | 13 | 167 | 597 | 967 |
| 953 | Neurotoxicology | 6 | 167 | 405 | 472 |
| 953 | Futures | 7 | 167 | 180 | 165 |
| 956 | homosexuality | 3 | 166 | 434 | 229 |
| 957 | Political Sociology | 9 | 165 | 235 | 262 |
| 957 | body temperature | 10 | 165 | 163 | 222 |
| 959 | Heat Exchangers | 4 | 164 | 1208 | 1038 |
| 959 | Immunohistochemistry | 4 | 164 | 177 | 64 |
| 959 | Urban Anthropology | 4 | 164 | 127 | 48 |
| 962 | Osteoporosis | 6 | 163 | 209 | 189 |
| 962 | Sales Promotion | 6 | 163 | 31 | 11 |
| 964 | Fertilizers | 7 | 162 | 231 | 267 |
| 964 | multimedia | 1 | 162 | 432 | 95 |
| 966 | Sexuality | 6 | 161 | 178 | 108 |
| 966 | conflict management | 8 | 161 | 137 | 189 |
| 968 | Sexual health | 4 | 160 | 780 | 474 |
| 969 | atmospheric models | 2 | 159 | 971 | 673 |
| 970 | water resources | 4 | 158 | 346 | 189 |
| 970 | Cheminformatics | 5 | 158 | 232 | 347 |
| 972 | Nuclear Medicine | 2 | 157 | 1633 | 861 |
| 972 | Integrative Medicine | 8 | 157 | 133 | 83 |
| 972 | Molecular Imaging | 2 | 157 | 1029 | 691 |
| 972 | Elderly | 25 | 157 | 397 | 477 |
| 976 | World Wide Web | 22 | 156 | 39 | 148 |
| 977 | Politics | 4 | 154 | 678 | 300 |
| 977 | Genetic disorders | 4 | 154 | 545 | 462 |
| 977 | government | 4 | 154 | 739 | 379 |
| 980 | Mechanical Engineering | 10 | 153 | 1801 | 1461 |
| 980 | Islam | 13 | 153 | 187 | 96 |
| 982 | Astrocytes | 3 | 152 | 568 | 623 |
| 983 | Biometrics | 11 | 151 | 646 | 836 |
| 983 | educational innovations | 19 | 151 | 107 | 297 |
| 985 | Infection control | 12 | 150 | 251 | 487 |
| 985 | disaster relief | 9 | 150 | 60 | 117 |
| 987 | Breeding | 10 | 149 | 758 | 1033 |
| 988 | Pharmacokinetics | 7 | 147 | 668 | 770 |
| 988 | Nonverbal Communication | 4 | 147 | 168 | 169 |
| 988 | terrorism | 14 | 147 | 58 | 105 |
| 988 | drug abuse | 17 | 147 | 218 | 436 |
| 992 | Thermochemistry | 10 | 146 | 279 | 352 |
| 992 | Pacific Islands | 20 | 146 | 46 | 89 |
| 992 | weather forecasting | 3 | 146 | 231 | 178 |
| 992 | Chronic diseases | 7 | 146 | 537 | 812 |
| 996 | Sleep Disorders | 14 | 145 | 933 | 1398 |
| 996 | Globalization | 21 | 145 | 76 | 337 |
| 996 | psychopathology | 5 | 145 | 276 | 327 |
| 996 | concrete | 9 | 145 | 622 | 1031 |
| 1000 | Organizational Sociology | 7 | 144 | 186 | 220 |