| 1 | Biology | 675 | 67.5K | 420 | 378 |
| 2 | Physics | 512 | 56.3K | 719 | 492 |
| 3 | Ecology | 891 | 52.9K | 129 | 155 |
| 4 | Science | 760 | 52.5K | 406 | 462 |
| 5 | Tourism | 719 | 46.5K | 2 | 3 |
| 6 | Chemistry | 547 | 42.4K | 713 | 462 |
| 7 | Australia | 2,137 | 32.9K | 11 | 11 |
| 8 | Environment | 480 | 31.8K | 126 | 161 |
| 9 | Medicine | 810 | 31.2K | 386 | 462 |
| 10 | Research | 635 | 30.6K | 345 | 276 |
| 11 | management | 407 | 28.1K | 45 | 76 |
| 12 | Biochemistry | 679 | 27.7K | 546 | 519 |
| 13 | Pollution | 492 | 24.7K | 140 | 193 |
| 14 | Natural history | 100 | 24.3K | 486 | 472 |
| 15 | Artificial Intelligence | 218 | 21.9K | 196 | 81 |
| 16 | Nanotechnology | 308 | 21.6K | 374 | 272 |
| 17 | Psychology | 560 | 21.3K | 165 | 170 |
| 18 | Microbiology | 406 | 19.4K | 393 | 438 |
| 19 | Environmental Health | 335 | 19.4K | 209 | 194 |
| 20 | Molecular Biology | 401 | 17.2K | 592 | 660 |
| 21 | Water pollution | 248 | 15.4K | 57 | 47 |
| 22 | Public Health | 549 | 15.2K | 162 | 237 |
| 23 | United States | 441 | 15.1K | 208 | 178 |
| 24 | Psychiatry | 424 | 15.0K | 174 | 257 |
| 25 | environmental pollution | 334 | 14.6K | 127 | 141 |
| 26 | Materials | 277 | 14.1K | 626 | 502 |
| 27 | Water | 194 | 13.7K | 96 | 86 |
| 28 | Environmental Policy | 297 | 13.0K | 36 | 94 |
| 29 | Nursing | 217 | 13.0K | 32 | 4 |
| 30 | Neurology | 244 | 11.9K | 548 | 558 |
| 31 | Education | 400 | 11.5K | 102 | 90 |
| 32 | Health | 84 | 11.3K | 211 | 38 |
| 33 | Pharmaceutical Chemistry | 255 | 11.3K | 206 | 174 |
| 34 | Environmental monitoring | 220 | 10.5K | 103 | 122 |
| 35 | Economics | 519 | 10.2K | 88 | 187 |
| 36 | Biotechnology | 180 | 10.2K | 624 | 545 |
| 37 | Neural circuitry | 56 | 10.1K | 190 | 25 |
| 38 | Sustainable Development | 165 | 9.9K | 14 | 27 |
| 39 | Statistical physics | 229 | 9.8K | 377 | 239 |
| 40 | environmental protection | 198 | 9.6K | 79 | 80 |
| 41 | Environmental Engineering | 172 | 9.6K | 228 | 230 |
| 42 | Marine Biology | 234 | 9.3K | 116 | 110 |
| 43 | Behavior | 211 | 9.2K | 183 | 217 |
| 44 | Sports Medicine | 283 | 9.0K | 69 | 88 |
| 45 | Nuclear Physics | 215 | 8.9K | 714 | 555 |
| 46 | Chemical Engineering | 123 | 8.9K | 684 | 405 |
| 47 | Biocompatible Materials | 150 | 8.9K | 429 | 384 |
| 48 | freshwater biology | 102 | 8.8K | 8 | 2 |
| 49 | Nutrition | 279 | 8.8K | 196 | 292 |
| 50 | marketing | 284 | 8.8K | 8 | 92 |
| 51 | Biodiversity conservation | 153 | 8.4K | 64 | 157 |
| 52 | Nanostructured Materials | 128 | 8.3K | 377 | 209 |
| 53 | Immunology | 132 | 8.0K | 508 | 472 |
| 54 | Oncology | 103 | 7.9K | 188 | 248 |
| 55 | Biophysics | 209 | 7.7K | 632 | 565 |
| 56 | Mental Disorders | 244 | 7.7K | 149 | 261 |
| 57 | Renewable Energy Sources | 67 | 7.6K | 288 | 174 |
| 58 | Child Development | 220 | 7.6K | 82 | 120 |
| 59 | Higher Education | 82 | 7.5K | 8 | 1 |
| 60 | Criminology | 303 | 7.4K | 4 | 12 |
| 61 | Pharmacology | 167 | 7.4K | 641 | 514 |
| 62 | natural products | 158 | 7.1K | 28 | 19 |
| 63 | Business | 114 | 7.1K | 84 | 125 |
| 64 | Environmental Management | 183 | 7.1K | 57 | 102 |
| 65 | Materials Science | 159 | 6.9K | 567 | 512 |
| 66 | Physiology | 230 | 6.9K | 314 | 396 |
| 67 | Child psychology | 97 | 6.7K | 166 | 140 |
| 68 | Catalysis | 100 | 6.6K | 688 | 489 |
| 69 | Soil Science | 123 | 6.5K | 113 | 93 |
| 70 | tests | 48 | 6.3K | 2 | 1 |
| 71 | Human genetics | 34 | 6.1K | 646 | 676 |
| 72 | Sociology | 190 | 6.0K | 174 | 197 |
| 73 | nanoscience | 80 | 5.9K | 451 | 334 |
| 74 | Epidemiology | 188 | 5.8K | 270 | 299 |
| 75 | Analytical Chemistry | 130 | 5.7K | 606 | 448 |
| 76 | Hydrology | 174 | 5.6K | 126 | 160 |
| 77 | biological evolution | 92 | 5.5K | 240 | 288 |
| 78 | human behavior | 110 | 5.5K | 212 | 263 |
| 79 | Asia | 309 | 5.4K | 32 | 36 |
| 80 | soil conservation | 170 | 5.4K | 3 | 5 |
| 81 | Food service management | 71 | 5.4K | 18 | 16 |
| 82 | Energy Policy | 86 | 5.3K | 222 | 193 |
| 83 | Adolescent | 126 | 5.3K | 133 | 92 |
| 84 | Organic Chemistry | 153 | 5.3K | 274 | 248 |
| 85 | rehabilitation | 218 | 5.3K | 62 | 129 |
| 86 | soil pollution | 159 | 5.1K | 2 | 2 |
| 87 | Geography | 114 | 5.1K | 218 | 156 |
| 88 | Sports | 204 | 5.0K | 56 | 99 |
| 89 | Clinical Chemistry | 112 | 5.0K | 291 | 252 |
| 90 | Cancer | 110 | 5.0K | 498 | 529 |
| 91 | miniaturization | 51 | 5.0K | 322 | 235 |
| 92 | Information Science | 72 | 4.9K | 240 | 106 |
| 93 | Biodiversity | 106 | 4.9K | 147 | 174 |
| 94 | Social Sciences | 159 | 4.8K | 216 | 153 |
| 95 | Ocean Engineering | 148 | 4.8K | 76 | 76 |
| 96 | Biomedical Engineering | 143 | 4.8K | 528 | 533 |
| 97 | Economic History | 314 | 4.7K | 68 | 125 |
| 98 | Bioorganic chemistry | 138 | 4.7K | 192 | 230 |
| 99 | Leisure | 94 | 4.7K | 7 | 7 |
| 100 | Pharmacognosy | 152 | 4.7K | 41 | 65 |
| 101 | Clinical Psychology | 75 | 4.7K | 178 | 170 |
| 102 | Child | 117 | 4.6K | 180 | 143 |
| 103 | sanitation | 60 | 4.6K | 249 | 257 |
| 104 | Cytology | 106 | 4.6K | 672 | 870 |
| 105 | Evolution | 76 | 4.5K | 263 | 270 |
| 106 | psychotherapy | 93 | 4.5K | 110 | 127 |
| 107 | Oceanography | 111 | 4.5K | 212 | 213 |
| 108 | Food | 128 | 4.4K | 206 | 232 |
| 109 | Wildlife conservation | 97 | 4.4K | 55 | 78 |
| 110 | Brain | 61 | 4.4K | 548 | 361 |
| 111 | Biomechanics | 74 | 4.4K | 129 | 101 |
| 112 | city planning | 134 | 4.3K | 63 | 74 |
| 113 | Combinatorial chemistry | 43 | 4.3K | 90 | 42 |
| 114 | Genetics | 79 | 4.3K | 635 | 687 |
| 115 | Bioinformatics | 75 | 4.2K | 236 | 239 |
| 116 | Biochemical Engineering | 59 | 4.2K | 605 | 610 |
| 117 | Diet | 139 | 4.2K | 141 | 278 |
| 118 | Zoology | 78 | 4.1K | 347 | 158 |
| 119 | Cell Biology | 89 | 4.1K | 696 | 909 |
| 120 | Medical Microbiology | 86 | 4.1K | 270 | 295 |
| 121 | Climate change | 46 | 4.1K | 154 | 259 |
| 122 | Eutrophication | 45 | 4.1K | 154 | 258 |
| 123 | energy resources | 58 | 4.0K | 101 | 121 |
| 124 | Geriatrics | 163 | 4.0K | 235 | 283 |
| 125 | Public Administration | 162 | 3.9K | 35 | 61 |
| 126 | energy development | 7 | 3.9K | 451 | 65 |
| 127 | Health Services Research | 139 | 3.8K | 80 | 111 |
| 128 | Critical Care Medicine | 200 | 3.8K | 49 | 240 |
| 129 | Environmental Toxicology | 58 | 3.8K | 271 | 189 |
| 130 | Botany | 63 | 3.7K | 925 | 707 |
| 131 | Vocational guidance | 83 | 3.7K | 58 | 64 |
| 132 | Cybernetics | 56 | 3.7K | 205 | 152 |
| 133 | finance | 120 | 3.7K | 126 | 160 |
| 134 | Computational Biology | 90 | 3.7K | 278 | 359 |
| 135 | Adolescent Psychology | 69 | 3.6K | 53 | 33 |
| 136 | Psychophysiology | 89 | 3.6K | 430 | 459 |
| 137 | Nanoparticles | 55 | 3.6K | 229 | 143 |
| 138 | Entomology | 91 | 3.6K | 271 | 142 |
| 139 | biological factors | 39 | 3.6K | 320 | 79 |
| 140 | Algal blooms | 27 | 3.5K | 25 | 10 |
| 140 | Cyanobacteria | 27 | 3.5K | 25 | 10 |
| 140 | microalgae | 27 | 3.5K | 25 | 10 |
| 143 | Human Resources | 68 | 3.5K | 2 | 2 |
| 144 | Learning | 82 | 3.5K | 112 | 137 |
| 144 | Social work | 187 | 3.5K | 54 | 52 |
| 146 | Geomorphology | 83 | 3.4K | 80 | 106 |
| 147 | Environmental Chemistry | 43 | 3.4K | 335 | 300 |
| 148 | Developmental Disabilities | 116 | 3.4K | 50 | 104 |
| 149 | soil microbiology | 63 | 3.4K | 165 | 197 |
| 150 | Image Processing | 60 | 3.3K | 345 | 260 |
| 151 | Suicide | 76 | 3.3K | 9 | 8 |
| 152 | medical education | 119 | 3.3K | 150 | 150 |
| 153 | Social Psychology | 84 | 3.3K | 289 | 319 |
| 154 | Primary health care | 113 | 3.3K | 100 | 90 |
| 155 | Soil biology | 56 | 3.3K | 103 | 124 |
| 156 | Toxicology | 121 | 3.3K | 571 | 713 |
| 156 | Bacteriology | 39 | 3.3K | 430 | 306 |
| 158 | Neurophysiology | 71 | 3.2K | 535 | 571 |
| 159 | Energy Conversion | 23 | 3.2K | 409 | 257 |
| 160 | industrial relations | 216 | 3.1K | 8 | 17 |
| 161 | Microbial Ecology | 51 | 3.1K | 448 | 460 |
| 162 | Bioengineering | 64 | 3.1K | 829 | 856 |
| 163 | Obstetrics | 76 | 3.1K | 308 | 228 |
| 164 | Automation | 47 | 3.1K | 456 | 357 |
| 165 | ecosystem | 50 | 3.0K | 149 | 151 |
| 166 | Immunity | 44 | 3.0K | 424 | 549 |
| 167 | Signal Processing | 73 | 3.0K | 427 | 400 |
| 168 | Structural Engineering | 114 | 3.0K | 142 | 157 |
| 169 | Aging | 145 | 3.0K | 248 | 378 |
| 170 | Medical genetics | 68 | 2.9K | 532 | 652 |
| 171 | Endocrinology | 43 | 2.9K | 764 | 645 |
| 172 | Developmental Psychology | 54 | 2.9K | 149 | 134 |
| 173 | adolescence | 69 | 2.9K | 79 | 82 |
| 174 | Criminal psychology | 107 | 2.9K | 29 | 61 |
| 175 | Aquatic ecology | 62 | 2.9K | 37 | 11 |
| 176 | Agriculture | 44 | 2.9K | 391 | 196 |
| 177 | Biogeography | 38 | 2.9K | 147 | 138 |
| 178 | Health Policy | 131 | 2.9K | 148 | 207 |
| 179 | Substance Abuse | 98 | 2.8K | 122 | 114 |
| 180 | Business Ethics | 35 | 2.8K | 84 | 80 |
| 181 | Gerontology | 143 | 2.8K | 149 | 173 |
| 182 | Technology | 93 | 2.8K | 512 | 473 |
| 183 | Transportation | 84 | 2.8K | 185 | 176 |
| 184 | Teaching | 105 | 2.8K | 92 | 126 |
| 185 | child abuse | 90 | 2.8K | 32 | 75 |
| 186 | Optics | 125 | 2.8K | 766 | 619 |
| 187 | Composite Materials | 31 | 2.7K | 800 | 452 |
| 188 | genome | 41 | 2.7K | 279 | 358 |
| 189 | Geriatric Psychiatry | 57 | 2.7K | 92 | 63 |
| 190 | Engineering | 122 | 2.7K | 404 | 381 |
| 191 | Adult Education | 109 | 2.7K | 6 | 4 |
| 192 | Optical materials | 45 | 2.7K | 648 | 464 |
| 193 | fuel cells | 26 | 2.7K | 357 | 214 |
| 194 | Communication | 216 | 2.7K | 60 | 236 |
| 195 | Animal ecology | 30 | 2.7K | 300 | 135 |
| 196 | coal | 12 | 2.7K | 759 | 157 |
| 197 | Metabolic diseases | 32 | 2.7K | 636 | 529 |
| 198 | Mental Health Services | 106 | 2.7K | 65 | 63 |
| 198 | global environmental change | 49 | 2.7K | 53 | 77 |
| 200 | Metabolism | 54 | 2.6K | 593 | 641 |
| 201 | Marine Pollution | 82 | 2.6K | 37 | 89 |
| 202 | Conservation Biology | 68 | 2.6K | 82 | 126 |
| 203 | Fisheries | 68 | 2.6K | 191 | 155 |
| 204 | Water quality management | 82 | 2.6K | 112 | 90 |
| 205 | Law | 212 | 2.6K | 32 | 18 |
| 206 | Agricultural Ecology | 38 | 2.6K | 166 | 138 |
| 207 | Quality of life | 64 | 2.6K | 86 | 116 |
| 208 | Health promotion | 83 | 2.5K | 124 | 148 |
| 209 | energy conservation | 38 | 2.5K | 362 | 332 |
| 210 | alcoholism | 69 | 2.5K | 194 | 192 |
| 211 | personality | 73 | 2.5K | 173 | 266 |
| 212 | Electrochemistry | 68 | 2.5K | 858 | 624 |
| 213 | Environmental Law | 34 | 2.5K | 173 | 162 |
| 214 | Physical Therapy | 85 | 2.5K | 101 | 150 |
| 215 | Parasitology | 70 | 2.5K | 330 | 243 |
| 216 | Virology | 58 | 2.4K | 636 | 948 |
| 217 | Surface Chemistry | 71 | 2.4K | 791 | 757 |
| 218 | Europe | 116 | 2.4K | 302 | 323 |
| 219 | Parasitic Diseases | 61 | 2.4K | 246 | 234 |
| 220 | Health Education | 104 | 2.4K | 164 | 192 |
| 221 | economic policy | 143 | 2.4K | 85 | 138 |
| 222 | Mental Health | 80 | 2.4K | 139 | 118 |
| 223 | Autism | 69 | 2.4K | 54 | 84 |
| 224 | feeding behavior | 43 | 2.4K | 75 | 44 |
| 225 | Electronics | 97 | 2.4K | 551 | 514 |
| 226 | police | 95 | 2.4K | 5 | 2 |
| 227 | Neuropsychology | 58 | 2.4K | 396 | 360 |
| 227 | Polymers | 81 | 2.4K | 980 | 903 |
| 229 | Insects | 26 | 2.3K | 381 | 107 |
| 230 | Neurochemistry | 43 | 2.3K | 590 | 470 |
| 231 | drug addiction | 61 | 2.3K | 157 | 161 |
| 232 | Solid State Physics | 55 | 2.3K | 1110 | 817 |
| 233 | sports administration | 60 | 2.3K | 3 | 2 |
| 234 | Oxidation-reduction | 20 | 2.3K | 172 | 109 |
| 235 | Virulence | 37 | 2.3K | 220 | 273 |
| 236 | Vaccines | 98 | 2.3K | 136 | 233 |
| 237 | Animal Behavior | 32 | 2.3K | 510 | 380 |
| 238 | Recycling | 17 | 2.3K | 124 | 42 |
| 239 | crime | 83 | 2.3K | 24 | 39 |
| 240 | Regional Planning | 66 | 2.2K | 154 | 127 |
| 241 | Cognition | 81 | 2.2K | 227 | 295 |
| 242 | Urban Policy | 66 | 2.2K | 20 | 29 |
| 243 | Waste management | 54 | 2.2K | 115 | 48 |
| 244 | Colloids | 66 | 2.2K | 822 | 871 |
| 245 | educational planning | 33 | 2.2K | 19 | 13 |
| 246 | disabilities | 107 | 2.2K | 16 | 35 |
| 247 | Earthquake Engineering | 47 | 2.2K | 247 | 185 |
| 248 | Signal Transduction | 21 | 2.2K | 438 | 236 |
| 249 | Pediatrics | 63 | 2.2K | 354 | 458 |
| 249 | Crisis Intervention | 46 | 2.2K | 2 | 2 |
| 251 | violence | 74 | 2.2K | 60 | 92 |
| 252 | locomotion | 33 | 2.1K | 65 | 44 |
| 252 | posture | 33 | 2.1K | 65 | 44 |
| 252 | gait | 33 | 2.1K | 65 | 44 |
| 252 | walking | 33 | 2.1K | 65 | 44 |
| 256 | Educational Psychology | 51 | 2.1K | 223 | 196 |
| 257 | Magnetic Resonance Spectroscopy | 76 | 2.1K | 109 | 117 |
| 258 | sustainability | 39 | 2.1K | 56 | 101 |
| 259 | Ethology | 23 | 2.1K | 483 | 334 |
| 260 | Appetite | 36 | 2.1K | 69 | 44 |
| 261 | nuclear magnetic resonance | 66 | 2.0K | 133 | 129 |
| 262 | Genomics | 56 | 2.0K | 588 | 597 |
| 263 | rivers | 30 | 2.0K | 4 | 4 |
| 264 | Therapeutics | 50 | 1.9K | 276 | 317 |
| 265 | Dietetics | 114 | 1.9K | 20 | 43 |
| 266 | Antioxidants | 16 | 1.9K | 187 | 96 |
| 267 | Human Geography | 50 | 1.9K | 159 | 122 |
| 268 | Molecular Genetics | 50 | 1.9K | 331 | 410 |
| 269 | Obesity | 60 | 1.9K | 312 | 398 |
| 270 | Speech Disorders | 102 | 1.9K | 97 | 138 |
| 271 | Ecosystem management | 51 | 1.9K | 38 | 62 |
| 272 | Economic Development | 49 | 1.9K | 218 | 259 |
| 273 | sex crimes | 62 | 1.9K | 28 | 30 |
| 274 | Bacteria | 22 | 1.9K | 52 | 41 |
| 275 | Developing countries | 72 | 1.9K | 208 | 266 |
| 276 | Public Policy | 53 | 1.9K | 234 | 215 |
| 277 | Biogeochemical cycles | 16 | 1.8K | 138 | 113 |
| 278 | Crime prevention | 80 | 1.8K | 3 | 1 |
| 279 | Meteorology | 41 | 1.8K | 521 | 563 |
| 280 | Mental illness | 71 | 1.8K | 271 | 501 |
| 281 | International Relations | 81 | 1.8K | 97 | 91 |
| 282 | India | 72 | 1.8K | 74 | 11 |
| 283 | polymerization | 67 | 1.8K | 896 | 862 |
| 284 | Biomass Energy | 27 | 1.8K | 732 | 564 |
| 285 | Forest Ecology | 38 | 1.8K | 176 | 159 |
| 285 | Forest Management | 38 | 1.8K | 170 | 145 |
| 287 | Building Materials | 34 | 1.8K | 419 | 354 |
| 288 | technical education | 89 | 1.8K | 2 | 10 |
| 289 | Environmental pollutants | 54 | 1.8K | 258 | 313 |
| 290 | Language Disorders | 100 | 1.8K | 66 | 94 |
| 291 | Parasites | 48 | 1.7K | 194 | 158 |
| 292 | Hydraulic Engineering | 52 | 1.7K | 170 | 136 |
| 293 | Condensed Matter | 54 | 1.7K | 1025 | 909 |
| 294 | Continuing Education | 82 | 1.7K | 4 | 4 |
| 295 | Information Technology | 75 | 1.7K | 182 | 339 |
| 296 | Research Design | 32 | 1.7K | 217 | 195 |
| 297 | Human-Computer Interaction | 28 | 1.6K | 288 | 135 |
| 298 | Carbon | 21 | 1.6K | 369 | 287 |
| 299 | Speech | 44 | 1.6K | 141 | 125 |
| 300 | Land use | 46 | 1.6K | 81 | 86 |
| 301 | Anxiety Disorders | 29 | 1.6K | 86 | 109 |
| 301 | Anxiety | 29 | 1.6K | 86 | 108 |
| 303 | social marketing | 64 | 1.6K | 1 | 1 |
| 304 | Cognitive Science | 39 | 1.6K | 240 | 289 |
| 305 | Immunotherapy | 29 | 1.6K | 460 | 448 |
| 306 | Restoration Ecology | 27 | 1.6K | 40 | 24 |
| 307 | Neurobiology | 51 | 1.6K | 345 | 541 |
| 307 | Population Genetics | 46 | 1.6K | 203 | 295 |
| 309 | International Finance | 57 | 1.6K | 143 | 185 |
| 310 | infection | 36 | 1.6K | 326 | 307 |
| 310 | Pregnancy | 40 | 1.6K | 82 | 54 |
| 312 | wind erosion | 13 | 1.6K | 13 | 4 |
| 313 | Early Childhood Education | 74 | 1.6K | 16 | 18 |
| 314 | Electrical Engineering | 98 | 1.6K | 534 | 453 |
| 315 | Earth Sciences | 51 | 1.6K | 722 | 717 |
| 316 | Data Mining | 26 | 1.6K | 295 | 264 |
| 317 | Alternative Medicine | 47 | 1.5K | 217 | 153 |
| 318 | Hematology | 47 | 1.5K | 826 | 864 |
| 319 | Host-parasite interactions | 28 | 1.5K | 295 | 419 |
| 320 | Water Purification | 38 | 1.5K | 134 | 72 |
| 321 | Educational Technology | 72 | 1.5K | 60 | 121 |
| 321 | Industrial Safety | 44 | 1.5K | 112 | 104 |
| 323 | Manufacturing Processes | 23 | 1.5K | 765 | 378 |
| 324 | actuators | 43 | 1.5K | 410 | 455 |
| 324 | transducers | 43 | 1.5K | 410 | 455 |
| 326 | complementary therapies | 48 | 1.5K | 228 | 163 |
| 327 | Respiration | 48 | 1.5K | 242 | 286 |
| 328 | Exercise | 56 | 1.5K | 142 | 149 |
| 329 | Biogeochemistry | 25 | 1.5K | 333 | 320 |
| 330 | pollutants | 50 | 1.5K | 224 | 332 |
| 331 | Oral communication | 37 | 1.5K | 20 | 15 |
| 332 | speech therapy | 85 | 1.5K | 12 | 28 |
| 332 | Speech Perception | 31 | 1.5K | 39 | 48 |
| 332 | auditory perception | 31 | 1.5K | 46 | 56 |
| 335 | Political Science | 166 | 1.4K | 107 | 266 |
| 336 | health planning | 65 | 1.4K | 184 | 204 |
| 337 | Career development | 43 | 1.4K | 7 | 5 |
| 337 | Reproduction | 53 | 1.4K | 423 | 480 |
| 339 | ecotourism | 58 | 1.4K | 1 | 5 |
| 340 | Civil Engineering | 42 | 1.4K | 345 | 110 |
| 341 | environmental exposure | 51 | 1.4K | 179 | 272 |
| 342 | Soil ecology | 30 | 1.4K | 107 | 97 |
| 343 | pain | 57 | 1.4K | 173 | 311 |
| 344 | Medical Anthropology | 34 | 1.4K | 249 | 297 |
| 345 | Vocational Education | 80 | 1.4K | 11 | 21 |
| 346 | Building | 27 | 1.4K | 140 | 58 |
| 347 | water supply | 37 | 1.4K | 189 | 234 |
| 348 | China | 78 | 1.4K | 350 | 404 |
| 349 | Disease | 7 | 1.3K | 150 | 289 |
| 350 | Telecommunication | 34 | 1.3K | 737 | 601 |
| 351 | Molecular ecology | 34 | 1.3K | 233 | 345 |
| 352 | Social welfare | 53 | 1.3K | 45 | 32 |
| 353 | Environmental Psychology | 11 | 1.3K | 100 | 52 |
| 354 | recreation | 54 | 1.3K | 54 | 40 |
| 355 | Rural Development | 25 | 1.3K | 65 | 40 |
| 356 | Ecological Engineering | 24 | 1.3K | 58 | 45 |
| 357 | Hypertension | 15 | 1.3K | 694 | 584 |
| 358 | viruses | 29 | 1.3K | 433 | 514 |
| 359 | Infections | 20 | 1.3K | 322 | 284 |
| 360 | Family | 48 | 1.3K | 133 | 150 |
| 361 | civil service | 19 | 1.3K | 67 | 32 |
| 362 | diseases | 7 | 1.3K | 143 | 307 |
| 363 | Fuzzy systems | 21 | 1.3K | 403 | 83 |
| 364 | gene mapping | 23 | 1.3K | 628 | 584 |
| 365 | Evolutionary Computation | 12 | 1.2K | 128 | 113 |
| 366 | Pharmacy | 60 | 1.2K | 286 | 413 |
| 367 | Green Chemistry | 30 | 1.2K | 475 | 563 |
| 368 | Culture | 208 | 1.2K | 5 | 74 |
| 369 | Membranes | 20 | 1.2K | 656 | 522 |
| 370 | Consumer education | 21 | 1.2K | 21 | 22 |
| 371 | drug development | 26 | 1.2K | 179 | 340 |
| 372 | Growth | 11 | 1.2K | 603 | 449 |
| 373 | Diabetes | 25 | 1.2K | 693 | 698 |
| 374 | Soil Mechanics | 30 | 1.2K | 312 | 273 |
| 374 | data collection | 16 | 1.2K | 251 | 249 |
| 376 | Work | 80 | 1.2K | 3 | 25 |
| 377 | Birds | 64 | 1.2K | 138 | 159 |
| 378 | Homeostasis | 3 | 1.2K | 430 | 340 |
| 378 | Cell metabolism | 3 | 1.2K | 683 | 348 |
| 380 | United Kingdom | 43 | 1.2K | 290 | 444 |
| 381 | Special Education | 44 | 1.2K | 95 | 87 |
| 382 | Youth | 32 | 1.2K | 106 | 127 |
| 383 | Developmental Biology | 20 | 1.2K | 722 | 703 |
| 384 | Orthopedics | 61 | 1.2K | 234 | 343 |
| 385 | Environmental Microbiology | 19 | 1.2K | 418 | 409 |
| 386 | Critical Care | 43 | 1.2K | 285 | 569 |
| 387 | Diabetes mellitus | 21 | 1.1K | 711 | 690 |
| 388 | Medical innovations | 11 | 1.1K | 411 | 405 |
| 389 | Geology | 39 | 1.1K | 943 | 838 |
| 390 | Nanostructures | 25 | 1.1K | 627 | 562 |
| 391 | Mathematics | 78 | 1.1K | 1460 | 1254 |
| 392 | environmental indicators | 42 | 1.1K | 73 | 153 |
| 393 | Ornithology | 60 | 1.1K | 104 | 126 |
| 394 | food technology | 19 | 1.1K | 942 | 613 |
| 395 | Nervous system | 34 | 1.1K | 615 | 773 |
| 396 | Swarm Intelligence | 4 | 1.1K | 164 | 30 |
| 397 | behavior therapy | 39 | 1.1K | 172 | 202 |
| 398 | Geophysics | 37 | 1.1K | 1123 | 1147 |
| 399 | Social problems | 31 | 1.1K | 68 | 97 |
| 399 | Social behavior | 24 | 1.1K | 313 | 282 |
| 401 | Natural resources | 31 | 1.1K | 115 | 148 |
| 402 | Smoking | 26 | 1.1K | 198 | 165 |
| 403 | Immune system | 11 | 1.1K | 480 | 508 |
| 404 | Plant diseases | 36 | 1.1K | 493 | 450 |
| 405 | Learning disabilities | 49 | 1.1K | 93 | 120 |
| 406 | Molecular evolution | 28 | 1.1K | 372 | 442 |
| 407 | Photonics | 22 | 1.1K | 752 | 611 |
| 408 | older people | 37 | 1.1K | 345 | 200 |
| 409 | Housing | 26 | 1.1K | 47 | 47 |
| 410 | Sustainable Engineering | 26 | 1.1K | 419 | 423 |
| 411 | Medical Technology | 18 | 1.1K | 519 | 258 |
| 412 | economic analysis | 52 | 1.1K | 6 | 9 |
| 413 | Occupational Therapy | 61 | 1.1K | 100 | 74 |
| 413 | econometric models | 44 | 1.1K | 9 | 26 |
| 415 | Environmental Geology | 39 | 1.1K | 214 | 299 |
| 416 | Health Information Management | 2 | 1.1K | 370 | 93 |
| 417 | Project Management | 17 | 1.0K | 54 | 67 |
| 418 | free radicals | 19 | 1.0K | 431 | 472 |
| 419 | Freshwater invertebrates | 23 | 1.0K | 15 | 24 |
| 420 | drug resistance | 27 | 1.0K | 55 | 65 |
| 421 | behavioral medicine | 34 | 1.0K | 252 | 371 |
| 422 | Neurosurgery | 13 | 1.0K | 426 | 249 |
| 423 | Emergency Nursing | 50 | 1.0K | 4 | 3 |
| 424 | Education policy | 24 | 1.0K | 4 | 3 |
| 425 | counseling | 32 | 1.0K | 299 | 245 |
| 426 | Radio | 22 | 1.0K | 560 | 468 |
| 427 | Clinical Pharmacology | 37 | 1.0K | 258 | 270 |
| 428 | Emergency Medicine | 37 | 1.0K | 291 | 224 |
| 429 | Chemical analysis | 20 | 1.0K | 288 | 155 |
| 430 | Community Psychiatry | 30 | 1.0K | 188 | 218 |
| 430 | Tunneling | 15 | 1.0K | 86 | 63 |
| 430 | underground construction | 15 | 1.0K | 86 | 63 |
| 433 | Climatology | 28 | 1.0K | 502 | 532 |
| 434 | Soil fertility | 22 | 1.0K | 52 | 62 |
| 434 | Microorganisms | 15 | 1.0K | 347 | 320 |
| 436 | Systems Engineering | 38 | 1.0K | 415 | 437 |
| 436 | Drug delivery systems | 15 | 1.0K | 561 | 418 |
| 438 | Travel | 50 | 993 | 59 | 85 |
| 439 | micromechanics | 22 | 992 | 82 | 55 |
| 440 | Biodegradation | 10 | 984 | 235 | 59 |
| 441 | Environmental Education | 34 | 979 | 23 | 31 |
| 442 | health services | 49 | 978 | 124 | 165 |
| 443 | Biosensors | 20 | 975 | 371 | 446 |
| 443 | occupational diseases | 25 | 975 | 164 | 163 |
| 445 | Archaeology | 85 | 972 | 151 | 244 |
| 446 | Body Image | 22 | 970 | 20 | 29 |
| 447 | glycoproteins | 24 | 969 | 73 | 72 |
| 447 | Glycoconjugates | 24 | 969 | 73 | 72 |
| 447 | glycolipids | 24 | 969 | 73 | 72 |
| 450 | Family Therapy | 39 | 959 | 109 | 92 |
| 450 | innovation | 13 | 959 | 184 | 223 |
| 452 | Diagnostic microbiology | 9 | 953 | 706 | 563 |
| 453 | scientific societies | 35 | 951 | 104 | 124 |
| 454 | computer networks | 28 | 950 | 764 | 607 |
| 455 | Hydrodynamics | 22 | 943 | 136 | 120 |
| 456 | Inclusive Education | 27 | 931 | 4 | 8 |
| 457 | Inflammation | 33 | 928 | 194 | 319 |
| 458 | Integration | 26 | 924 | 4 | 8 |
| 459 | Leadership | 14 | 922 | 103 | 133 |
| 460 | Bioelectronics | 17 | 919 | 329 | 404 |
| 461 | Population | 21 | 917 | 274 | 173 |
| 462 | Physical Chemistry | 10 | 915 | 1305 | 742 |
| 463 | Microelectronics | 25 | 910 | 620 | 646 |
| 464 | Cognitive neuroscience | 11 | 904 | 483 | 378 |
| 465 | Eating Disorders | 23 | 903 | 225 | 191 |
| 466 | Operations Research | 24 | 902 | 744 | 595 |
| 467 | Community Psychology | 17 | 899 | 155 | 146 |
| 468 | Brain damage | 29 | 893 | 40 | 54 |
| 469 | Malaria | 18 | 888 | 221 | 144 |
| 470 | Plant Ecology | 34 | 886 | 433 | 637 |
| 470 | children | 20 | 886 | 132 | 107 |
| 472 | drug therapy | 26 | 884 | 719 | 692 |
| 473 | Socialization | 18 | 881 | 127 | 120 |
| 473 | drugs | 40 | 881 | 411 | 495 |
| 475 | Intellectual disability | 43 | 880 | 121 | 180 |
| 476 | Social Change | 14 | 868 | 302 | 256 |
| 477 | disease vectors | 30 | 867 | 167 | 180 |
| 478 | Radio waves | 19 | 866 | 337 | 279 |
| 479 | Geriatric Oncology | 18 | 846 | 126 | 91 |
| 479 | Diplomatic relations | 56 | 846 | 66 | 19 |
| 481 | Speech-Language Pathology | 47 | 845 | 10 | 24 |
| 482 | Hospitality industry | 30 | 842 | 20 | 24 |
| 483 | Entrepreneurship | 10 | 839 | 436 | 346 |
| 484 | Clinical Immunology | 15 | 838 | 494 | 307 |
| 485 | Aggression | 28 | 837 | 51 | 96 |
| 486 | Genetic engineering | 38 | 836 | 413 | 740 |
| 486 | Randomized Controlled Trials | 53 | 836 | 108 | 118 |
| 488 | Geochemistry | 15 | 833 | 957 | 760 |
| 489 | Women's health | 26 | 828 | 245 | 202 |
| 490 | Transport | 27 | 820 | 85 | 116 |
| 491 | Intelligent Transportation Systems | 35 | 819 | 181 | 298 |
| 492 | Oncogenes | 9 | 817 | 673 | 619 |
| 493 | Carcinogenesis | 22 | 812 | 242 | 289 |
| 493 | Aquaculture | 37 | 812 | 317 | 388 |
| 495 | Schizophrenia | 25 | 808 | 297 | 376 |
| 496 | Light | 11 | 805 | 448 | 500 |
| 497 | Evidence-Based Medicine | 34 | 799 | 160 | 153 |
| 498 | Law enforcement | 37 | 797 | 5 | 5 |
| 498 | Stress | 13 | 797 | 28 | 8 |
| 500 | Occupational Health | 39 | 795 | 129 | 180 |
| 501 | Medical Laboratory Science | 26 | 790 | 627 | 817 |
| 501 | Feeding and Eating Disorders | 21 | 790 | 234 | 214 |
| 503 | Marine resources | 28 | 789 | 70 | 81 |
| 504 | Drug design | 21 | 788 | 489 | 455 |
| 505 | Continental shelf | 10 | 782 | 162 | 95 |
| 506 | Coastal zone management | 24 | 780 | 80 | 79 |
| 506 | dietary supplements | 11 | 780 | 272 | 119 |
| 508 | natural disasters | 18 | 779 | 346 | 292 |
| 509 | Parenteral nutrition | 25 | 778 | 221 | 343 |
| 510 | community development | 13 | 776 | 175 | 59 |
| 511 | Urban Planning | 12 | 775 | 103 | 57 |
| 511 | nucleic acids | 17 | 775 | 753 | 885 |
| 511 | environmental issues | 60 | 775 | 12 | 55 |
| 514 | Molecular structure | 14 | 772 | 1107 | 729 |
| 515 | Anatomy | 22 | 765 | 672 | 629 |
| 516 | Physical organic chemistry | 31 | 764 | 280 | 295 |
| 516 | Wetland ecology | 23 | 764 | 49 | 58 |
| 518 | software | 34 | 763 | 88 | 201 |
| 519 | Chromosome mapping | 21 | 758 | 591 | 666 |
| 519 | proteins | 28 | 758 | 632 | 674 |
| 521 | Nutrition physiology | 15 | 756 | 213 | 175 |
| 522 | Aerosols | 32 | 755 | 104 | 129 |
| 523 | Logic Programming | 14 | 741 | 66 | 11 |
| 524 | internet | 28 | 737 | 337 | 416 |
| 525 | health services accessibility | 28 | 736 | 169 | 177 |
| 526 | Long-Term Care | 14 | 734 | 167 | 166 |
| 526 | Long-term care facilities | 14 | 734 | 165 | 166 |
| 528 | Ecohydrology | 14 | 731 | 47 | 23 |
| 528 | preventive medicine | 12 | 731 | 541 | 394 |
| 530 | Child welfare | 42 | 729 | 152 | 206 |
| 531 | Planets | 12 | 728 | 814 | 742 |
| 532 | Energy Storage | 17 | 725 | 460 | 409 |
| 533 | Carbohydrates | 17 | 722 | 91 | 108 |
| 533 | Personality Assessment | 6 | 722 | 368 | 175 |
| 535 | Pathology | 33 | 721 | 636 | 899 |
| 536 | consumer behavior | 13 | 720 | 140 | 147 |
| 537 | Histology | 16 | 713 | 786 | 684 |
| 537 | Development | 24 | 713 | 151 | 242 |
| 539 | Medical Physics | 19 | 711 | 666 | 611 |
| 539 | commerce | 36 | 711 | 228 | 428 |
| 541 | Molecular Microbiology | 13 | 708 | 379 | 439 |
| 541 | planning | 23 | 708 | 100 | 73 |
| 543 | Anti-inflammatory agents | 25 | 707 | 11 | 18 |
| 544 | Food Microbiology | 10 | 704 | 620 | 477 |
| 544 | Oligosaccharide | 15 | 704 | 62 | 82 |
| 544 | Auditing | 12 | 704 | 105 | 59 |
| 547 | Developmental Immunology | 6 | 703 | 542 | 168 |
| 548 | Engineering Geology | 29 | 702 | 348 | 467 |
| 548 | Psychopharmacology | 18 | 702 | 572 | 654 |
| 550 | Medicinal plants | 20 | 700 | 379 | 446 |
| 551 | Sociolinguistics | 22 | 698 | 70 | 60 |
| 552 | Teacher Education | 40 | 696 | 5 | 7 |
| 553 | Cardiovascular system | 13 | 693 | 695 | 849 |
| 554 | Juvenile delinquency | 27 | 688 | 54 | 39 |
| 555 | Scandinavia | 16 | 687 | 212 | 161 |
| 556 | Venture Capital | 3 | 686 | 267 | 185 |
| 557 | Production Management | 10 | 675 | 541 | 500 |
| 557 | East Asia | 62 | 675 | 15 | 21 |
| 559 | Public opinion | 16 | 673 | 104 | 76 |
| 560 | Library Science | 18 | 671 | 327 | 72 |
| 561 | Anthropology | 41 | 670 | 324 | 337 |
| 561 | Nonprofit organizations | 13 | 670 | 68 | 36 |
| 563 | health behavior | 19 | 669 | 277 | 262 |
| 564 | Econometrics | 43 | 665 | 249 | 405 |
| 564 | child mental health | 33 | 665 | 44 | 64 |
| 566 | Detectors | 23 | 663 | 442 | 344 |
| 567 | Hazardous waste | 9 | 662 | 449 | 340 |
| 568 | Marine Ecology | 26 | 661 | 147 | 137 |
| 568 | Medical Oncology | 15 | 661 | 743 | 744 |
| 570 | radioactive waste | 8 | 655 | 395 | 319 |
| 570 | industrial waste | 8 | 655 | 422 | 321 |
| 572 | Engineering Mathematics | 19 | 654 | 996 | 482 |
| 573 | Bioremediation | 16 | 653 | 121 | 125 |
| 574 | child behavior | 14 | 650 | 115 | 119 |
| 575 | Dynamics | 15 | 647 | 759 | 291 |
| 576 | Forensic Psychiatry | 57 | 642 | 29 | 83 |
| 577 | soil management | 19 | 641 | 121 | 156 |
| 578 | Municipal Engineering | 10 | 639 | 76 | 14 |
| 579 | irrigation | 22 | 638 | 75 | 52 |
| 580 | Crystallography | 48 | 635 | 281 | 316 |
| 581 | Computational Chemistry | 12 | 634 | 231 | 210 |
| 582 | Proteomics | 17 | 633 | 336 | 393 |
| 582 | Hormones | 8 | 633 | 786 | 484 |
| 584 | Decision making | 25 | 632 | 341 | 408 |
| 585 | Disability Studies | 27 | 627 | 13 | 9 |
| 586 | Physical fitness | 36 | 624 | 161 | 312 |
| 586 | families | 34 | 624 | 139 | 174 |
| 588 | Molecules | 28 | 619 | 402 | 429 |
| 589 | Patient education | 14 | 616 | 206 | 195 |
| 590 | drug control | 19 | 614 | 74 | 72 |
| 591 | Cognitive Therapy | 25 | 612 | 125 | 161 |
| 591 | Allergy | 20 | 612 | 392 | 721 |
| 593 | Neonatology | 20 | 611 | 114 | 111 |
| 593 | Fishery resources | 24 | 611 | 105 | 141 |
| 595 | hazard mitigation | 15 | 610 | 240 | 197 |
| 595 | behavior modification | 6 | 610 | 260 | 159 |
| 597 | Ergonomics | 24 | 605 | 273 | 240 |
| 598 | Surgery | 29 | 603 | 495 | 983 |
| 598 | Industrial Microbiology | 21 | 603 | 569 | 827 |
| 600 | biocatalysis | 1 | 602 | 339 | 193 |
| 600 | Homogeneous catalysis | 1 | 602 | 339 | 193 |
| 600 | Heterogeneous catalysis | 1 | 602 | 339 | 193 |
| 603 | Geriatric Nursing | 18 | 601 | 74 | 16 |
| 603 | Enteral nutrition | 18 | 601 | 222 | 312 |
| 605 | Neurogenetics | 9 | 600 | 94 | 30 |
| 606 | Production Engineering | 21 | 596 | 642 | 498 |
| 607 | Perception | 23 | 594 | 601 | 688 |
| 608 | Sea | 23 | 592 | 91 | 137 |
| 609 | Database Management | 26 | 590 | 193 | 263 |
| 610 | Magnetic Materials | 17 | 588 | 672 | 523 |
| 611 | Psychiatric Epidemiology | 17 | 587 | 120 | 158 |
| 612 | mental health promotion | 17 | 584 | 22 | 28 |
| 613 | tillage | 14 | 583 | 112 | 138 |
| 614 | Health Services Administration | 40 | 580 | 119 | 256 |
| 614 | Nonlinear Dynamics | 19 | 580 | 921 | 817 |
| 614 | animals | 26 | 580 | 286 | 256 |
| 614 | organization | 13 | 580 | 304 | 362 |
| 618 | Intercultural Communication | 27 | 579 | 19 | 45 |
| 618 | Stem cells | 15 | 579 | 688 | 705 |
| 620 | biological monitoring | 18 | 576 | 80 | 93 |
| 621 | Systems Biology | 21 | 570 | 451 | 497 |
| 622 | foreign policy | 23 | 569 | 52 | 7 |
| 623 | Rock Mechanics | 22 | 568 | 286 | 354 |
| 624 | Mechatronics | 11 | 567 | 374 | 229 |
| 624 | local government | 13 | 567 | 97 | 56 |
| 626 | Software Engineering | 18 | 566 | 389 | 320 |
| 626 | movement | 9 | 566 | 110 | 55 |
| 628 | Communication Disorders | 32 | 565 | 21 | 39 |
| 629 | Industrial Sociology | 12 | 564 | 46 | 35 |
| 630 | Social Issues | 13 | 560 | 62 | 58 |
| 631 | correctional psychology | 18 | 556 | 42 | 54 |
| 632 | Bones | 14 | 553 | 294 | 362 |
| 633 | Information Retrieval | 14 | 547 | 128 | 152 |
| 634 | Mathematical Physics | 19 | 545 | 1295 | 939 |
| 634 | Computational Intelligence | 13 | 545 | 310 | 143 |
| 636 | Technological Innovations | 20 | 544 | 193 | 237 |
| 636 | fertility | 10 | 544 | 510 | 475 |
| 638 | Process Control | 7 | 540 | 510 | 417 |
| 639 | Recombinant DNA | 28 | 539 | 325 | 522 |
| 640 | Cardiovascular diseases | 14 | 530 | 710 | 573 |
| 640 | Algae | 19 | 530 | 234 | 282 |
| 642 | place marketing | 13 | 529 | 9 | 13 |
| 643 | Molecular cloning | 26 | 527 | 316 | 500 |
| 643 | Genetic recombination | 26 | 527 | 303 | 492 |
| 645 | Attention | 16 | 526 | 668 | 665 |
| 646 | Trace elements | 3 | 525 | 270 | 47 |
| 647 | Phylogeny | 16 | 524 | 283 | 384 |
| 648 | Serology | 2 | 522 | 700 | 86 |
| 648 | Multicultural Education | 40 | 522 | 15 | 45 |
| 648 | curriculum evaluation | 29 | 522 | 24 | 48 |
| 651 | Water Microbiology | 16 | 519 | 53 | 79 |
| 652 | Coral reef biology | 19 | 515 | 71 | 108 |
| 653 | Social policy | 34 | 512 | 149 | 215 |
| 654 | Cosmochemistry | 6 | 509 | 635 | 355 |
| 655 | Wireless Communication Systems | 20 | 506 | 942 | 854 |
| 656 | Computer-Aided Design | 6 | 505 | 836 | 337 |
| 657 | Cytogenetics | 9 | 504 | 867 | 863 |
| 657 | corrections | 12 | 504 | 40 | 19 |
| 659 | bioclimatology | 13 | 503 | 272 | 215 |
| 660 | Structural dynamics | 9 | 502 | 592 | 437 |
| 661 | Mitochondria | 7 | 501 | 93 | 49 |
| 662 | Hemodynamics | 3 | 499 | 594 | 321 |
| 662 | Pharmacy management | 33 | 499 | 24 | 32 |
| 662 | wetland management | 16 | 499 | 7 | 13 |
| 665 | Spectrum analysis | 23 | 496 | 1701 | 1862 |
| 666 | DNA polymerases | 2 | 495 | 538 | 388 |
| 667 | Restorative justice | 23 | 492 | 10 | 6 |
| 668 | Climate | 11 | 490 | 203 | 182 |
| 668 | weather | 11 | 490 | 184 | 120 |
| 670 | Quantum theory | 18 | 489 | 277 | 250 |
| 671 | Pharmacogenetics | 13 | 488 | 372 | 390 |
| 671 | Risk assessment | 13 | 488 | 130 | 62 |
| 673 | Seaweed | 16 | 485 | 180 | 229 |
| 674 | Energy Harvesting | 4 | 482 | 410 | 325 |
| 675 | Cell differentiation | 12 | 481 | 867 | 1048 |
| 676 | Bioinorganic chemistry | 15 | 480 | 598 | 538 |
| 677 | Memory | 17 | 476 | 687 | 788 |
| 678 | Embryology | 10 | 475 | 837 | 856 |
| 678 | Comparative Physiology | 12 | 475 | 330 | 293 |
| 678 | Outdoor recreation | 17 | 475 | 2 | 1 |
| 681 | punishment | 10 | 474 | 16 | 14 |
| 682 | Multimedia Systems | 13 | 473 | 801 | 474 |
| 683 | Socioeconomic Factors | 19 | 469 | 174 | 210 |
| 683 | Corporate governance | 11 | 469 | 131 | 118 |
| 685 | Reproductive health | 12 | 468 | 290 | 226 |
| 685 | Electrochemical Analysis | 18 | 468 | 540 | 532 |
| 687 | Oxidative stress | 8 | 466 | 664 | 608 |
| 688 | Microfabrication | 13 | 465 | 96 | 67 |
| 689 | Control Theory | 23 | 461 | 594 | 607 |
| 690 | Otolaryngology | 3 | 459 | 505 | 164 |
| 690 | System analysis | 27 | 459 | 717 | 880 |
| 692 | arthritis | 12 | 458 | 597 | 699 |
| 693 | Palliative Care | 33 | 455 | 139 | 239 |
| 694 | drainage | 11 | 454 | 123 | 49 |
| 695 | Distance Education | 14 | 453 | 86 | 77 |
| 696 | Information Theory | 21 | 451 | 481 | 553 |
| 696 | Robotics | 19 | 451 | 620 | 666 |
| 698 | role | 12 | 447 | 137 | 168 |
| 699 | Holistic Health | 17 | 444 | 57 | 65 |
| 700 | Infertility | 1 | 441 | 1311 | 497 |
| 701 | Human evolution | 17 | 438 | 127 | 191 |
| 702 | Economic Assistance | 16 | 436 | 185 | 318 |
| 702 | Informatics | 13 | 436 | 314 | 320 |
| 704 | Metals | 13 | 435 | 1042 | 945 |
| 705 | Medical Ethics | 27 | 432 | 260 | 252 |
| 705 | Vaccination | 15 | 432 | 40 | 72 |
| 707 | deviant behavior | 17 | 430 | 51 | 40 |
| 708 | Interactive multimedia | 8 | 429 | 325 | 211 |
| 709 | Philosophy | 28 | 427 | 554 | 306 |
| 710 | Organizational Behavior | 10 | 425 | 285 | 315 |
| 711 | Heritage Tourism | 9 | 424 | 13 | 4 |
| 711 | cultural tourism | 9 | 424 | 13 | 4 |
| 711 | Fouling | 4 | 424 | 171 | 65 |
| 714 | Computer Graphics | 4 | 421 | 1528 | 696 |
| 715 | Computer Vision | 6 | 419 | 777 | 578 |
| 715 | Human Rights | 29 | 419 | 70 | 102 |
| 717 | Ecological Genetics | 19 | 418 | 116 | 117 |
| 717 | ethnicity | 20 | 418 | 154 | 109 |
| 717 | toxicity testing | 11 | 418 | 226 | 222 |
| 720 | carcinogens | 7 | 417 | 601 | 489 |
| 721 | allied health | 15 | 416 | 37 | 54 |
| 721 | sports injuries | 19 | 416 | 109 | 92 |
| 723 | Technology Assessment | 8 | 415 | 87 | 84 |
| 723 | Cost effectiveness | 8 | 415 | 21 | 17 |
| 725 | aerosol | 21 | 413 | 82 | 125 |
| 726 | Emotions | 16 | 412 | 197 | 309 |
| 727 | Visual Perception | 11 | 411 | 797 | 741 |
| 727 | population geography | 22 | 411 | 45 | 91 |
| 729 | Investment analysis | 19 | 410 | 98 | 199 |
| 730 | Cross-Cultural Studies | 24 | 408 | 70 | 144 |
| 731 | Diagnostic Imaging | 5 | 407 | 1717 | 857 |
| 732 | Humanities | 26 | 406 | 335 | 241 |
| 733 | Artificial Organs | 30 | 405 | 113 | 173 |
| 734 | Fluid Mechanics | 10 | 404 | 954 | 683 |
| 734 | Proteome | 10 | 404 | 625 | 644 |
| 734 | Screening | 2 | 404 | 270 | 26 |
| 737 | Ophthalmology | 14 | 403 | 839 | 846 |
| 737 | Metallurgy | 14 | 403 | 1103 | 1000 |
| 739 | Databases | 11 | 399 | 180 | 158 |
| 740 | Linguistics | 24 | 397 | 460 | 441 |
| 740 | Hospitals | 12 | 397 | 228 | 199 |
| 742 | biomedicine | 6 | 396 | 569 | 240 |
| 743 | Language Policy | 13 | 394 | 6 | 6 |
| 743 | Finite Element Method | 2 | 394 | 357 | 39 |
| 743 | Language planning | 13 | 394 | 18 | 3 |
| 743 | Relationships | 4 | 394 | 123 | 58 |
| 747 | Analytical Biochemistry | 15 | 393 | 702 | 736 |
| 748 | Agricultural Chemistry | 24 | 392 | 721 | 1146 |
| 749 | multimedia | 4 | 391 | 436 | 218 |
| 750 | Plants | 15 | 390 | 957 | 1134 |
| 751 | Genetic regulation | 11 | 389 | 531 | 711 |
| 752 | Soil dynamics | 12 | 388 | 166 | 165 |
| 753 | Marriage | 7 | 386 | 261 | 146 |
| 754 | Mass Media | 162 | 383 | 7 | 123 |
| 755 | Psycholinguistics | 15 | 380 | 369 | 461 |
| 756 | Online social networks | 10 | 379 | 68 | 48 |
| 756 | world | 13 | 379 | 244 | 434 |
| 758 | Job satisfaction | 8 | 374 | 27 | 63 |
| 758 | job stress | 8 | 374 | 27 | 63 |
| 760 | risk factors | 3 | 373 | 697 | 311 |
| 761 | consumers | 13 | 369 | 75 | 116 |
| 762 | Electromagnetism | 14 | 368 | 400 | 367 |
| 762 | women | 25 | 368 | 140 | 124 |
| 764 | Feminism | 24 | 367 | 95 | 133 |
| 765 | Emergency Medical Services | 21 | 365 | 145 | 174 |
| 765 | Art Therapy | 15 | 365 | 21 | 15 |
| 765 | Environmentalism | 12 | 365 | 23 | 53 |
| 768 | Oral Pathology | 4 | 364 | 56 | 23 |
| 768 | Steroids | 6 | 364 | 667 | 427 |
| 768 | cultural pluralism | 17 | 364 | 38 | 52 |
| 771 | Transportation Engineering | 13 | 363 | 166 | 144 |
| 772 | individual differences | 10 | 362 | 77 | 115 |
| 773 | school sports | 13 | 361 | 27 | 29 |
| 774 | Capital market | 12 | 358 | 87 | 129 |
| 775 | death | 14 | 356 | 37 | 31 |
| 775 | Sales management | 4 | 356 | 157 | 184 |
| 775 | plant communities | 16 | 356 | 435 | 711 |
| 775 | selling | 4 | 356 | 157 | 184 |
| 779 | Photochemistry | 13 | 354 | 785 | 779 |
| 780 | Food additives | 6 | 351 | 797 | 592 |
| 781 | Adolescent Medicine | 14 | 348 | 183 | 486 |
| 782 | Quantum Optics | 12 | 346 | 393 | 308 |
| 782 | Investments | 14 | 346 | 108 | 87 |
| 782 | language | 7 | 346 | 511 | 405 |
| 785 | Tropical Medicine | 21 | 342 | 581 | 693 |
| 786 | Chemotherapy | 12 | 340 | 631 | 671 |
| 786 | Oral Medicine | 15 | 340 | 176 | 116 |
| 786 | Mineral resources | 16 | 340 | 79 | 217 |
| 789 | family violence | 28 | 338 | 46 | 164 |
| 790 | Landscape Ecology | 14 | 336 | 117 | 234 |
| 790 | cultural policy | 146 | 336 | 1 | 36 |
| 790 | Organic Geochemistry | 3 | 336 | 382 | 233 |
| 793 | school-to-work transition | 12 | 335 | 8 | 11 |
| 794 | breastfeeding | 15 | 334 | 116 | 146 |
| 795 | enzymes | 9 | 333 | 878 | 812 |
| 796 | Neurons | 2 | 332 | 707 | 800 |
| 797 | Telecommunication Systems | 17 | 331 | 553 | 551 |
| 798 | polar regions | 12 | 329 | 277 | 258 |
| 798 | Genetic therapy | 14 | 329 | 470 | 710 |
| 800 | land degradation | 14 | 327 | 79 | 140 |
| 800 | degradation | 14 | 327 | 79 | 140 |
| 802 | Kidney diseases | 17 | 324 | 297 | 468 |
| 803 | Statistics | 21 | 323 | 1044 | 1095 |
| 803 | Energy Consumption | 3 | 323 | 374 | 241 |
| 805 | libraries | 7 | 320 | 418 | 129 |
| 806 | Computer Science | 35 | 318 | 385 | 679 |
| 806 | gene therapy | 13 | 318 | 454 | 733 |
| 808 | Journalism | 41 | 315 | 50 | 132 |
| 809 | Depression | 6 | 314 | 201 | 293 |
| 810 | Bioethics | 22 | 313 | 237 | 265 |
| 810 | Mass Spectrometry | 9 | 313 | 677 | 582 |
| 810 | International Education | 11 | 313 | 46 | 49 |
| 810 | civilization | 62 | 313 | 137 | 71 |
| 814 | Biomass | 3 | 312 | 619 | 366 |
| 815 | Popular culture | 17 | 311 | 107 | 55 |
| 815 | economic conditions | 30 | 311 | 89 | 237 |
| 817 | Cognitive Behavioral Therapy | 8 | 310 | 97 | 84 |
| 818 | Criminal Law | 12 | 309 | 74 | 77 |
| 818 | Photobiology | 9 | 309 | 752 | 629 |
| 820 | Wildlife management | 8 | 307 | 329 | 202 |
| 821 | Microfluidics | 6 | 306 | 118 | 64 |
| 822 | Post-traumatic stress disorder | 14 | 304 | 282 | 405 |
| 823 | Democracy | 11 | 301 | 75 | 44 |
| 823 | Quantum Communication | 7 | 301 | 89 | 101 |
| 823 | Antibacterial agents | 12 | 301 | 232 | 359 |
| 823 | Advertising | 12 | 301 | 109 | 201 |
| 827 | cell interaction | 7 | 300 | 751 | 718 |
| 828 | Sedimentology | 7 | 299 | 361 | 292 |
| 828 | Green Technology | 11 | 299 | 69 | 65 |
| 828 | Securities | 7 | 299 | 97 | 102 |
| 831 | Jurisprudence | 28 | 297 | 200 | 346 |
| 832 | Rheumatology | 13 | 296 | 517 | 719 |
| 833 | Virtual reality | 3 | 295 | 403 | 144 |
| 834 | Measurement | 8 | 294 | 744 | 530 |
| 834 | Leukemia | 3 | 294 | 1032 | 765 |
| 834 | mutagens | 3 | 294 | 839 | 583 |
| 837 | Thermodynamics | 13 | 293 | 478 | 328 |
| 837 | biological invasions | 11 | 293 | 217 | 304 |
| 839 | Democratization | 9 | 292 | 23 | 28 |
| 840 | Physical Geography | 4 | 291 | 484 | 179 |
| 840 | Pharmaceutical Technology | 13 | 291 | 688 | 851 |
| 840 | Cell death | 4 | 291 | 1087 | 966 |
| 843 | Transplantation | 6 | 290 | 777 | 787 |
| 844 | Ethnology | 17 | 288 | 500 | 472 |
| 845 | Dentistry | 13 | 287 | 276 | 201 |
| 846 | autism spectrum disorder | 9 | 285 | 8 | 11 |
| 847 | Atmospheric Physics | 16 | 284 | 667 | 961 |
| 847 | Active Learning | 8 | 284 | 14 | 13 |
| 847 | healthcare disparities | 8 | 284 | 222 | 166 |
| 847 | Multilingualism | 10 | 284 | 74 | 73 |
| 847 | Chromatographic analysis | 11 | 284 | 996 | 825 |
| 852 | Information Systems | 19 | 283 | 365 | 675 |
| 853 | human development | 6 | 281 | 537 | 450 |
| 854 | Solid State Chemistry | 13 | 278 | 1304 | 1264 |
| 854 | Sites | 20 | 278 | 138 | 352 |
| 856 | Happiness | 6 | 277 | 199 | 163 |
| 857 | emergency management | 12 | 275 | 265 | 337 |
| 858 | Well-being | 13 | 274 | 12 | 39 |
| 858 | Roads | 21 | 274 | 254 | 288 |
| 860 | Boundary Value Problems | 9 | 273 | 379 | 284 |
| 860 | Ethnic relations | 19 | 273 | 115 | 154 |
| 860 | Antenna Arrays | 9 | 273 | 277 | 262 |
| 860 | cell physiology | 5 | 273 | 1212 | 1130 |
| 860 | Meteorites | 6 | 273 | 660 | 725 |
| 865 | Customer service | 8 | 272 | 6 | 3 |
| 865 | Liver diseases | 2 | 272 | 1640 | 1150 |
| 867 | lasers | 19 | 271 | 811 | 989 |
| 868 | Southeast Asia | 24 | 269 | 50 | 56 |
| 869 | Urology | 7 | 268 | 1142 | 1045 |
| 869 | Industrial Ecology | 5 | 268 | 108 | 115 |
| 869 | Cheminformatics | 5 | 268 | 194 | 242 |
| 872 | Public Relations | 9 | 267 | 187 | 144 |
| 872 | Nonlinear systems | 4 | 267 | 544 | 230 |
| 874 | Electrophoresis | 9 | 266 | 980 | 929 |
| 874 | Input-output analysis | 6 | 266 | 112 | 104 |
| 874 | Microscopy | 9 | 266 | 907 | 642 |
| 877 | Psychiatric Nursing | 15 | 265 | 197 | 202 |
| 877 | Wetland conservation | 7 | 265 | 128 | 123 |
| 877 | Oligosaccharides | 9 | 265 | 82 | 85 |
| 877 | Wetlands | 7 | 265 | 129 | 123 |
| 881 | food contamination | 8 | 264 | 512 | 357 |
| 881 | sadness | 7 | 264 | 80 | 35 |
| 881 | antisocial personality disorder | 7 | 264 | 80 | 35 |
| 884 | Erosion | 4 | 263 | 38 | 17 |
| 885 | Geotechnical Engineering | 7 | 259 | 409 | 347 |
| 886 | Action Research | 15 | 258 | 21 | 35 |
| 887 | Orthopedic Surgery | 13 | 256 | 308 | 406 |
| 887 | construction industry | 8 | 256 | 59 | 26 |
| 889 | Bioenergetics | 3 | 255 | 828 | 536 |
| 889 | Quality Control | 19 | 255 | 504 | 928 |
| 889 | Energy metabolism | 3 | 255 | 569 | 428 |
| 892 | motivation | 13 | 254 | 88 | 182 |
| 892 | mass transfer | 9 | 254 | 965 | 1001 |
| 892 | Harbors | 11 | 254 | 62 | 55 |
| 892 | Sociobiology | 2 | 254 | 337 | 103 |
| 896 | Zeolites | 4 | 252 | 795 | 590 |
| 897 | Knowledge management | 9 | 251 | 103 | 37 |
| 898 | Plant cells | 3 | 250 | 1050 | 1104 |
| 899 | protein | 11 | 249 | 627 | 755 |
| 900 | Radiography | 4 | 248 | 674 | 650 |
| 900 | Pesticide residues | 3 | 248 | 48 | 38 |
| 902 | Gender Studies | 14 | 246 | 110 | 198 |
| 902 | Criminal behavior | 20 | 246 | 16 | 52 |
| 904 | Psychosomatic Medicine | 8 | 245 | 407 | 503 |
| 904 | cloning | 3 | 245 | 675 | 617 |
| 906 | Immunopathology | 8 | 244 | 760 | 857 |
| 906 | Geographic information systems | 14 | 244 | 360 | 374 |
| 906 | Corporate Social Responsibility | 5 | 244 | 133 | 176 |
| 906 | environmental auditing | 5 | 244 | 141 | 177 |
| 906 | social justice | 17 | 244 | 37 | 38 |
| 906 | traffic safety | 7 | 244 | 140 | 76 |
| 912 | industrial hygiene | 30 | 243 | 168 | 323 |
| 913 | body temperature | 9 | 241 | 167 | 166 |
| 914 | ports | 10 | 240 | 94 | 108 |
| 914 | Waterways | 10 | 240 | 67 | 55 |
| 916 | Clinical Biochemistry | 3 | 239 | 1248 | 697 |
| 917 | Literacy | 6 | 238 | 172 | 79 |
| 918 | Information management | 15 | 237 | 9 | 21 |
| 919 | Nanobiotechnology | 3 | 236 | 415 | 323 |
| 920 | Nanochemistry | 9 | 235 | 628 | 525 |
| 920 | Ethics | 19 | 235 | 251 | 328 |
| 920 | Political Sociology | 9 | 235 | 213 | 212 |
| 923 | Forensic Psychology | 17 | 233 | 73 | 133 |
| 923 | Computational Linguistics | 8 | 233 | 225 | 96 |
| 923 | peace | 4 | 233 | 390 | 252 |
| 926 | drug evaluation | 13 | 231 | 530 | 758 |
| 927 | civil rights | 11 | 229 | 118 | 95 |
| 928 | Fishery management | 12 | 228 | 328 | 382 |
| 928 | poverty | 8 | 228 | 136 | 138 |
| 930 | Biopharmaceutics | 7 | 227 | 743 | 761 |
| 930 | Ceramics | 8 | 227 | 952 | 804 |
| 932 | Marriage counseling | 1 | 223 | 529 | 156 |
| 933 | Environmental Economics | 12 | 222 | 86 | 167 |
| 934 | Chromatography | 7 | 221 | 1118 | 888 |
| 935 | Mathematics Education | 12 | 220 | 128 | 140 |
| 935 | Obsessive-Compulsive Disorder | 11 | 220 | 29 | 33 |
| 935 | mammals | 9 | 220 | 548 | 509 |
| 938 | Global Health | 14 | 219 | 348 | 427 |
| 938 | Reading | 9 | 219 | 283 | 285 |
| 940 | Quantum Chemistry | 3 | 218 | 901 | 328 |
| 941 | School Psychology | 10 | 215 | 183 | 258 |
| 941 | drug abuse | 16 | 215 | 203 | 324 |
| 943 | ethnic groups | 8 | 211 | 164 | 144 |
| 943 | atmospheric models | 2 | 211 | 750 | 549 |
| 943 | Money | 8 | 211 | 87 | 179 |
| 946 | Remote Sensing | 18 | 210 | 471 | 651 |
| 946 | disarmament | 4 | 210 | 137 | 60 |
| 946 | Vision | 8 | 210 | 378 | 437 |
| 949 | Sleep | 15 | 209 | 695 | 1022 |
| 950 | History | 33 | 208 | 297 | 158 |
| 950 | Export Marketing | 8 | 208 | 47 | 157 |
| 950 | venom | 9 | 208 | 326 | 416 |
| 950 | Toxins | 9 | 208 | 373 | 463 |
| 954 | Metastasis | 3 | 207 | 163 | 246 |
| 955 | Atomic spectroscopy | 6 | 206 | 844 | 619 |
| 955 | Landslides | 4 | 206 | 191 | 207 |
| 957 | Glass | 7 | 204 | 749 | 735 |
| 957 | pottery | 7 | 204 | 719 | 724 |
| 959 | Osteoporosis | 5 | 203 | 201 | 156 |
| 960 | Futures | 7 | 202 | 130 | 109 |
| 960 | Fertilizers | 7 | 202 | 190 | 212 |
| 960 | Laser Spectroscopy | 5 | 202 | 663 | 406 |
| 960 | World Wide Web | 22 | 202 | 36 | 127 |
| 964 | psychopathology | 6 | 201 | 217 | 250 |
| 964 | agricultural productivity | 9 | 201 | 25 | 30 |
| 964 | Japan | 29 | 201 | 405 | 895 |
| 967 | Mechanical Engineering | 9 | 200 | 1574 | 1171 |
| 967 | sexual behavior | 6 | 200 | 416 | 396 |
| 969 | Infection control | 12 | 199 | 193 | 359 |
| 970 | Mobile Computing | 7 | 198 | 825 | 652 |
| 970 | Genetic disorders | 4 | 198 | 417 | 307 |
| 970 | Organometallic chemistry | 14 | 198 | 872 | 1032 |
| 970 | Portfolio Management | 7 | 198 | 151 | 94 |
| 974 | Nonverbal Communication | 4 | 196 | 147 | 135 |
| 974 | Environmental risk assessment | 14 | 196 | 79 | 183 |
| 976 | Dermatology | 13 | 195 | 833 | 1088 |
| 976 | Small Business | 6 | 195 | 496 | 729 |
| 978 | Neonatal Nursing | 14 | 193 | 10 | 4 |
| 978 | Neurotoxicology | 6 | 193 | 332 | 379 |
| 978 | Neonatal intensive care | 14 | 193 | 7 | 4 |
| 978 | homosexuality | 3 | 193 | 378 | 205 |
| 982 | Gender identity | 15 | 192 | 43 | 67 |
| 982 | Breeding | 10 | 192 | 628 | 836 |
| 984 | Immunohistochemistry | 4 | 191 | 138 | 49 |
| 984 | Urban Anthropology | 4 | 191 | 107 | 46 |
| 984 | conflict management | 8 | 191 | 110 | 153 |
| 987 | Heat Exchangers | 4 | 190 | 1037 | 942 |
| 987 | educational innovations | 19 | 190 | 87 | 262 |
| 989 | Paleoclimatology | 11 | 189 | 550 | 826 |
| 989 | water reuse | 3 | 189 | 252 | 149 |
| 991 | Sales Promotion | 6 | 188 | 25 | 12 |
| 991 | community music | 13 | 188 | 2 | 1 |
| 993 | nursing ethics | 8 | 187 | 75 | 117 |
| 993 | Islam | 13 | 187 | 157 | 91 |
| 995 | hospice care | 10 | 186 | 217 | 226 |
| 995 | Elderly | 22 | 186 | 372 | 410 |
| 997 | Politics | 4 | 185 | 508 | 255 |
| 997 | Sexuality | 4 | 185 | 225 | 96 |
| 997 | government | 4 | 185 | 540 | 317 |
| 1000 | concrete | 9 | 184 | 541 | 868 |