| 1 | Astrophysics | 1,375 | 107.4K | 101 | 100 |
| 2 | Astronomy | 1,513 | 98.2K | 78 | 83 |
| 3 | Science | 933 | 54.9K | 333 | 392 |
| 4 | Biology | 963 | 54.1K | 300 | 393 |
| 5 | Biochemistry | 1,382 | 51.3K | 270 | 299 |
| 6 | Ecology | 913 | 49.3K | 124 | 168 |
| 7 | Medicine | 1,167 | 44.0K | 250 | 318 |
| 8 | Physics | 581 | 43.0K | 630 | 544 |
| 9 | Chemical Engineering | 884 | 42.6K | 71 | 68 |
| 10 | Molecular Biology | 1,041 | 41.3K | 216 | 324 |
| 11 | Chemistry | 997 | 40.4K | 407 | 472 |
| 12 | Catalysis | 506 | 34.1K | 120 | 80 |
| 13 | Research | 897 | 32.4K | 241 | 246 |
| 14 | Microbiology | 624 | 31.7K | 246 | 274 |
| 15 | Pollution | 644 | 28.6K | 98 | 158 |
| 16 | Environment | 412 | 27.9K | 163 | 187 |
| 17 | Composite Materials | 430 | 27.7K | 48 | 29 |
| 18 | Toxicology | 605 | 24.5K | 58 | 45 |
| 19 | environmental pollution | 484 | 22.8K | 62 | 70 |
| 20 | Biocompatible Materials | 370 | 22.4K | 156 | 137 |
| 21 | Environmental Health | 466 | 22.1K | 140 | 159 |
| 22 | Analytical Chemistry | 628 | 22.1K | 66 | 75 |
| 23 | Nutrition | 417 | 21.9K | 94 | 80 |
| 24 | Biophysics | 554 | 21.1K | 228 | 212 |
| 25 | Biochemical Engineering | 321 | 20.8K | 101 | 131 |
| 26 | Pharmacology | 443 | 19.6K | 283 | 194 |
| 27 | Food | 424 | 18.8K | 18 | 20 |
| 28 | Oncology | 68 | 18.3K | 256 | 63 |
| 29 | Biotechnology | 378 | 17.5K | 224 | 292 |
| 30 | Environmental monitoring | 326 | 17.3K | 41 | 45 |
| 31 | Pharmaceutical Chemistry | 351 | 17.2K | 111 | 92 |
| 32 | Human genetics | 182 | 16.9K | 146 | 264 |
| 33 | Renewable Energy Sources | 175 | 16.6K | 64 | 62 |
| 34 | Spectrum analysis | 248 | 16.3K | 355 | 317 |
| 35 | Environmental Policy | 205 | 15.8K | 95 | 66 |
| 36 | Water pollution | 279 | 15.6K | 47 | 49 |
| 37 | transport vesicles | 4 | 15.5K | 146 | 29 |
| 38 | Natural history | 69 | 15.1K | 517 | 513 |
| 39 | Medical genetics | 281 | 15.0K | 131 | 168 |
| 40 | environmental protection | 238 | 14.7K | 56 | 31 |
| 41 | Cytology | 307 | 14.6K | 296 | 358 |
| 42 | Genetics | 228 | 14.5K | 243 | 246 |
| 43 | food technology | 342 | 14.3K | 29 | 24 |
| 44 | Colloids | 268 | 13.9K | 220 | 151 |
| 45 | Agricultural Chemistry | 228 | 13.8K | 66 | 29 |
| 46 | Neurology | 366 | 13.2K | 394 | 467 |
| 47 | biological evolution | 233 | 12.9K | 72 | 133 |
| 48 | Aquaculture | 296 | 12.8K | 18 | 16 |
| 49 | Pathology | 184 | 12.3K | 140 | 91 |
| 50 | Materials | 524 | 12.1K | 323 | 527 |
| 51 | Sports Medicine | 401 | 12.0K | 30 | 57 |
| 52 | Cancer | 191 | 11.9K | 262 | 219 |
| 53 | Biomedical Engineering | 312 | 11.9K | 212 | 203 |
| 54 | Surface Chemistry | 248 | 11.7K | 238 | 168 |
| 55 | Environmental Management | 171 | 11.6K | 79 | 35 |
| 56 | Marine Biology | 394 | 11.4K | 40 | 79 |
| 57 | Earthquake Engineering | 267 | 11.2K | 34 | 29 |
| 58 | Water | 109 | 11.0K | 238 | 123 |
| 59 | Adhesion | 170 | 10.8K | 1 | 1 |
| 59 | adhesives | 170 | 10.8K | 1 | 1 |
| 61 | Cell Biology | 223 | 10.6K | 328 | 432 |
| 62 | drugs | 117 | 10.1K | 113 | 18 |
| 63 | Electrical Engineering | 155 | 9.7K | 259 | 45 |
| 64 | Immunology | 186 | 9.7K | 300 | 295 |
| 65 | Nanotechnology | 211 | 9.6K | 498 | 510 |
| 66 | Sports | 305 | 9.4K | 24 | 39 |
| 67 | Environmental Engineering | 151 | 9.3K | 245 | 217 |
| 68 | Metabolism | 107 | 9.3K | 337 | 230 |
| 69 | Nuclear Physics | 366 | 9.3K | 479 | 533 |
| 70 | Fracture mechanics | 237 | 9.3K | 29 | 17 |
| 71 | energy conservation | 125 | 8.8K | 93 | 90 |
| 72 | Public Health | 607 | 8.7K | 147 | 344 |
| 73 | Physiology | 284 | 8.6K | 267 | 334 |
| 74 | Cell differentiation | 45 | 8.6K | 317 | 165 |
| 75 | Pharmacy | 87 | 8.5K | 205 | 53 |
| 76 | Molecular Genetics | 162 | 8.2K | 71 | 96 |
| 77 | Diet | 155 | 8.2K | 103 | 121 |
| 78 | Medical Microbiology | 121 | 8.2K | 173 | 141 |
| 79 | Carbon | 67 | 8.0K | 101 | 49 |
| 80 | Evolution | 180 | 8.0K | 93 | 159 |
| 81 | Ocean Engineering | 190 | 8.0K | 71 | 42 |
| 82 | Structural Engineering | 188 | 7.7K | 79 | 51 |
| 83 | Pharmaceutical Technology | 60 | 7.5K | 133 | 10 |
| 84 | Genomics | 203 | 7.3K | 126 | 153 |
| 85 | Cell death | 20 | 7.2K | 382 | 119 |
| 86 | Quantum Gravity | 256 | 7.1K | 245 | 325 |
| 87 | Pharmacokinetics | 44 | 7.1K | 58 | 3 |
| 88 | Epidemiology | 402 | 7.1K | 91 | 232 |
| 89 | Bioengineering | 152 | 6.9K | 363 | 414 |
| 90 | Thermodynamics | 345 | 6.9K | 2 | 2 |
| 91 | Environmental Toxicology | 148 | 6.9K | 66 | 78 |
| 92 | Molecular evolution | 151 | 6.8K | 46 | 86 |
| 93 | Thermochemistry | 340 | 6.8K | 1 | 2 |
| 94 | Botany | 171 | 6.6K | 433 | 460 |
| 95 | Polymers | 165 | 6.4K | 554 | 447 |
| 96 | Environmental pollutants | 149 | 6.2K | 50 | 38 |
| 97 | Clinical Chemistry | 147 | 6.2K | 191 | 181 |
| 98 | Industrial Engineering | 156 | 6.1K | 55 | 46 |
| 99 | Parenteral nutrition | 30 | 6.1K | 192 | 49 |
| 100 | Environmental Law | 46 | 6.0K | 116 | 45 |
| 101 | Electrochemistry | 223 | 6.0K | 379 | 330 |
| 102 | Enteral nutrition | 25 | 5.9K | 150 | 36 |
| 103 | Engineering | 197 | 5.8K | 227 | 160 |
| 104 | Molecular ecology | 106 | 5.7K | 43 | 90 |
| 105 | Energy Policy | 126 | 5.6K | 145 | 189 |
| 106 | Population Genetics | 118 | 5.6K | 52 | 89 |
| 107 | Biodiversity | 151 | 5.4K | 74 | 143 |
| 108 | Physical Chemistry | 148 | 5.4K | 132 | 175 |
| 109 | Condensed Matter | 216 | 5.2K | 428 | 514 |
| 110 | Statistical physics | 144 | 5.1K | 506 | 403 |
| 111 | Drug delivery systems | 105 | 5.1K | 35 | 71 |
| 112 | Parasitology | 196 | 5.1K | 62 | 79 |
| 113 | Materials Science | 127 | 5.0K | 620 | 611 |
| 114 | biological factors | 106 | 5.0K | 62 | 51 |
| 115 | Economics | 326 | 5.0K | 225 | 362 |
| 116 | Parasitic Diseases | 108 | 4.9K | 92 | 82 |
| 117 | Psychology | 253 | 4.8K | 363 | 511 |
| 118 | Developmental Biology | 75 | 4.8K | 282 | 266 |
| 119 | pollutants | 110 | 4.7K | 65 | 60 |
| 120 | Biodiversity conservation | 117 | 4.7K | 101 | 263 |
| 121 | Neurophysiology | 120 | 4.6K | 359 | 429 |
| 122 | environmental exposure | 106 | 4.6K | 63 | 42 |
| 123 | Artificial Intelligence | 175 | 4.6K | 214 | 336 |
| 124 | Solid State Physics | 190 | 4.6K | 518 | 543 |
| 125 | Aging | 151 | 4.6K | 213 | 233 |
| 126 | Building Materials | 100 | 4.5K | 138 | 155 |
| 127 | Environmental Chemistry | 80 | 4.5K | 140 | 216 |
| 128 | Manufacturing Processes | 115 | 4.5K | 179 | 136 |
| 129 | Drug design | 94 | 4.4K | 35 | 29 |
| 130 | Electronics | 45 | 4.4K | 849 | 302 |
| 131 | Marine Pollution | 112 | 4.3K | 21 | 30 |
| 132 | Europe | 428 | 4.3K | 48 | 185 |
| 133 | Exercise | 143 | 4.3K | 19 | 32 |
| 134 | Bioorganic chemistry | 120 | 4.1K | 232 | 267 |
| 135 | Phylogeny | 93 | 4.1K | 19 | 36 |
| 136 | Reproduction | 142 | 4.1K | 166 | 191 |
| 137 | Operations Research | 142 | 4.0K | 121 | 160 |
| 138 | Organic Chemistry | 108 | 4.0K | 393 | 336 |
| 139 | Biomass Energy | 88 | 4.0K | 203 | 275 |
| 140 | Technology | 115 | 4.0K | 399 | 333 |
| 141 | Wildlife conservation | 71 | 4.0K | 79 | 84 |
| 142 | Zoology | 204 | 3.9K | 92 | 170 |
| 143 | Virology | 65 | 3.8K | 495 | 555 |
| 144 | Image Processing | 43 | 3.8K | 465 | 237 |
| 145 | Quality Control | 110 | 3.7K | 41 | 41 |
| 146 | Psychiatry | 146 | 3.7K | 431 | 607 |
| 147 | Critical Care | 39 | 3.6K | 297 | 239 |
| 147 | Critical Care Medicine | 39 | 3.6K | 301 | 239 |
| 149 | management | 124 | 3.6K | 342 | 556 |
| 150 | Endocrinology | 136 | 3.6K | 326 | 497 |
| 151 | Geriatrics | 140 | 3.5K | 253 | 296 |
| 151 | Neurochemistry | 95 | 3.5K | 302 | 325 |
| 153 | Animal Behavior | 113 | 3.5K | 222 | 294 |
| 154 | Surface-Active Agents | 60 | 3.4K | 45 | 27 |
| 154 | Surface properties | 60 | 3.4K | 47 | 29 |
| 156 | Nonlinear Dynamics | 72 | 3.4K | 367 | 243 |
| 157 | Structural dynamics | 44 | 3.4K | 152 | 89 |
| 158 | Chromatographic analysis | 114 | 3.4K | 71 | 35 |
| 159 | Medical Laboratory Science | 58 | 3.4K | 268 | 227 |
| 159 | food handling | 88 | 3.4K | 16 | 17 |
| 161 | Mathematics | 330 | 3.4K | 543 | 646 |
| 162 | Microbial Ecology | 88 | 3.3K | 252 | 397 |
| 163 | Business Ethics | 16 | 3.3K | 320 | 70 |
| 164 | Food additives | 59 | 3.3K | 77 | 77 |
| 165 | Cardiovascular system | 32 | 3.3K | 357 | 311 |
| 166 | Obesity | 104 | 3.2K | 187 | 251 |
| 167 | Amyloidosis | 59 | 3.2K | 7 | 6 |
| 168 | United States | 140 | 3.2K | 526 | 576 |
| 169 | Immunity | 51 | 3.2K | 337 | 421 |
| 170 | Industrial Microbiology | 62 | 3.1K | 171 | 168 |
| 171 | ecosystem | 111 | 3.1K | 36 | 146 |
| 172 | Oncogenes | 37 | 3.1K | 221 | 203 |
| 173 | Membranes | 83 | 3.1K | 213 | 263 |
| 174 | Business | 59 | 3.1K | 301 | 352 |
| 175 | proteins | 54 | 3.1K | 310 | 191 |
| 176 | Telecommunication | 55 | 3.1K | 496 | 343 |
| 177 | Metabolic diseases | 87 | 3.0K | 290 | 423 |
| 178 | Pediatrics | 69 | 3.0K | 330 | 334 |
| 179 | Ethology | 87 | 3.0K | 203 | 274 |
| 180 | gene mapping | 60 | 2.9K | 236 | 252 |
| 181 | free radicals | 64 | 2.9K | 120 | 179 |
| 182 | Optics | 142 | 2.9K | 587 | 561 |
| 183 | Diagnostic Imaging | 36 | 2.9K | 377 | 178 |
| 184 | Nanostructured Materials | 79 | 2.9K | 550 | 550 |
| 185 | Automation | 74 | 2.8K | 317 | 375 |
| 186 | Computational Biology | 93 | 2.8K | 235 | 352 |
| 187 | arthritis | 18 | 2.8K | 410 | 193 |
| 188 | Oceanography | 90 | 2.8K | 214 | 264 |
| 189 | Energy Consumption | 40 | 2.8K | 19 | 16 |
| 190 | infection | 46 | 2.8K | 257 | 161 |
| 191 | Physical fitness | 66 | 2.8K | 47 | 69 |
| 192 | nucleic acids | 30 | 2.8K | 469 | 378 |
| 193 | Conservation Biology | 88 | 2.8K | 48 | 113 |
| 194 | Biosensors | 40 | 2.7K | 182 | 154 |
| 195 | Biopharmaceutics | 59 | 2.7K | 58 | 57 |
| 196 | System analysis | 105 | 2.7K | 154 | 179 |
| 197 | Tribology | 84 | 2.7K | 76 | 56 |
| 198 | hydrocolloids | 41 | 2.7K | 83 | 79 |
| 199 | nanoscience | 55 | 2.7K | 579 | 582 |
| 200 | Data Mining | 90 | 2.7K | 34 | 142 |
| 201 | environmental indicators | 50 | 2.6K | 60 | 42 |
| 202 | Hypertension | 22 | 2.6K | 472 | 334 |
| 203 | coal | 40 | 2.6K | 276 | 177 |
| 204 | Green Chemistry | 47 | 2.6K | 292 | 282 |
| 205 | Infections | 35 | 2.6K | 182 | 134 |
| 206 | drug resistance | 33 | 2.6K | 47 | 11 |
| 207 | Environmental Microbiology | 63 | 2.6K | 97 | 186 |
| 208 | polymerization | 87 | 2.6K | 715 | 676 |
| 209 | Forensic Genetics | 75 | 2.6K | 13 | 16 |
| 209 | actuators | 56 | 2.6K | 330 | 257 |
| 209 | transducers | 56 | 2.6K | 330 | 257 |
| 212 | Food Microbiology | 50 | 2.5K | 127 | 128 |
| 212 | Bioelectronics | 35 | 2.5K | 165 | 144 |
| 214 | Computer Vision | 27 | 2.5K | 263 | 168 |
| 215 | vibration | 32 | 2.5K | 222 | 91 |
| 216 | natural products | 51 | 2.5K | 217 | 123 |
| 217 | Photonics | 74 | 2.5K | 276 | 349 |
| 218 | Bacteriology | 80 | 2.5K | 243 | 357 |
| 219 | Public Policy | 79 | 2.5K | 150 | 166 |
| 220 | Human biology | 126 | 2.5K | 6 | 12 |
| 221 | Machine Learning | 31 | 2.4K | 16 | 44 |
| 222 | Medical Physics | 21 | 2.4K | 537 | 256 |
| 223 | Biodegradation | 50 | 2.4K | 13 | 12 |
| 224 | Mechanical Engineering | 102 | 2.4K | 217 | 171 |
| 224 | Rheumatology | 14 | 2.4K | 431 | 175 |
| 226 | Signal Processing | 53 | 2.4K | 535 | 444 |
| 227 | Engineering Mathematics | 86 | 2.4K | 129 | 114 |
| 228 | Robotics | 73 | 2.3K | 169 | 176 |
| 229 | Neurobiology | 44 | 2.3K | 372 | 371 |
| 230 | Electrophoresis | 68 | 2.3K | 136 | 110 |
| 231 | Genetic engineering | 52 | 2.2K | 291 | 314 |
| 232 | lasers | 64 | 2.2K | 307 | 187 |
| 233 | Child Development | 72 | 2.2K | 270 | 320 |
| 234 | Quality of life | 54 | 2.2K | 125 | 143 |
| 235 | Virulence | 36 | 2.2K | 226 | 251 |
| 236 | protein | 16 | 2.2K | 432 | 150 |
| 237 | Numerical Analysis | 81 | 2.2K | 234 | 179 |
| 237 | Plant physiology | 60 | 2.2K | 344 | 443 |
| 239 | Biogeography | 66 | 2.2K | 62 | 175 |
| 240 | Fisheries | 87 | 2.2K | 129 | 163 |
| 241 | marketing | 63 | 2.1K | 267 | 375 |
| 242 | Production Management | 39 | 2.1K | 172 | 225 |
| 243 | Chromatography | 66 | 2.1K | 124 | 75 |
| 244 | Zeolites | 44 | 2.1K | 75 | 61 |
| 245 | Plant Ecology | 47 | 2.1K | 332 | 336 |
| 246 | Social Sciences | 113 | 2.1K | 312 | 364 |
| 247 | Psychophysiology | 80 | 2.1K | 490 | 615 |
| 248 | Adolescent | 78 | 2.1K | 221 | 250 |
| 249 | Obstetrics | 95 | 2.1K | 264 | 319 |
| 250 | Process Control | 32 | 2.1K | 116 | 119 |
| 251 | Behavior | 96 | 2.1K | 424 | 708 |
| 252 | Geography | 78 | 2.1K | 265 | 314 |
| 253 | Sociology | 90 | 2.1K | 376 | 432 |
| 254 | Chromosome mapping | 51 | 2.0K | 234 | 259 |
| 255 | human behavior | 80 | 2.0K | 312 | 591 |
| 256 | Parasites | 72 | 2.0K | 102 | 118 |
| 257 | Diagnostic microbiology | 28 | 2.0K | 261 | 261 |
| 258 | Tropical Medicine | 83 | 2.0K | 104 | 114 |
| 259 | concrete | 35 | 2.0K | 168 | 188 |
| 260 | Control Theory | 59 | 2.0K | 273 | 211 |
| 261 | behavioral medicine | 33 | 2.0K | 267 | 229 |
| 262 | Cytogenetics | 31 | 2.0K | 300 | 294 |
| 263 | Therapeutics | 53 | 2.0K | 266 | 280 |
| 264 | Information Theory | 17 | 2.0K | 523 | 187 |
| 265 | Oxidative stress | 35 | 1.9K | 57 | 93 |
| 266 | Electrochemical Analysis | 69 | 1.9K | 151 | 160 |
| 267 | Climate change | 22 | 1.9K | 299 | 461 |
| 268 | Pharmacognosy | 52 | 1.9K | 253 | 267 |
| 269 | Embryology | 34 | 1.9K | 382 | 338 |
| 270 | Host-parasite interactions | 26 | 1.9K | 286 | 306 |
| 271 | Inflammation | 15 | 1.9K | 362 | 120 |
| 272 | Clinical Biochemistry | 45 | 1.9K | 126 | 117 |
| 273 | Anatomy | 70 | 1.9K | 274 | 347 |
| 274 | Marine Ecology | 87 | 1.8K | 15 | 29 |
| 275 | Education | 201 | 1.8K | 252 | 528 |
| 276 | animals | 94 | 1.8K | 52 | 65 |
| 277 | Energy Conversion | 17 | 1.8K | 453 | 360 |
| 278 | Eutrophication | 21 | 1.8K | 301 | 487 |
| 279 | Photochemistry | 51 | 1.8K | 183 | 163 |
| 280 | Health Education | 100 | 1.7K | 176 | 247 |
| 281 | Materials Engineering | 45 | 1.7K | 27 | 2 |
| 282 | Animal ecology | 57 | 1.7K | 155 | 209 |
| 283 | Biomechanics | 62 | 1.7K | 151 | 219 |
| 284 | Photobiology | 47 | 1.7K | 96 | 81 |
| 284 | Brain | 59 | 1.7K | 572 | 631 |
| 286 | Molecular structure | 89 | 1.7K | 186 | 367 |
| 287 | Bioinorganic chemistry | 57 | 1.7K | 184 | 166 |
| 288 | Geophysics | 60 | 1.7K | 753 | 783 |
| 289 | Optical materials | 35 | 1.7K | 731 | 639 |
| 290 | Lipids | 41 | 1.7K | 187 | 215 |
| 291 | drug therapy | 47 | 1.6K | 433 | 384 |
| 292 | Information Retrieval | 40 | 1.6K | 24 | 42 |
| 293 | Nervous system | 60 | 1.6K | 400 | 562 |
| 294 | Sustainable Development | 48 | 1.6K | 184 | 297 |
| 295 | Neural circuitry | 49 | 1.6K | 255 | 301 |
| 296 | Hematology | 40 | 1.6K | 600 | 536 |
| 297 | Soil dynamics | 30 | 1.6K | 72 | 35 |
| 298 | preventive medicine | 45 | 1.6K | 180 | 206 |
| 299 | Computer-Aided Design | 64 | 1.6K | 87 | 133 |
| 300 | Sustainable Engineering | 30 | 1.6K | 344 | 291 |
| 301 | Radio | 6 | 1.6K | 955 | 323 |
| 302 | cell physiology | 33 | 1.5K | 339 | 367 |
| 303 | Production Engineering | 74 | 1.5K | 214 | 224 |
| 304 | rehabilitation | 67 | 1.5K | 258 | 355 |
| 305 | Social Psychology | 54 | 1.5K | 428 | 523 |
| 306 | Jurisprudence | 59 | 1.5K | 75 | 53 |
| 307 | Ecological Genetics | 51 | 1.5K | 14 | 9 |
| 308 | Medical Technology | 52 | 1.5K | 131 | 167 |
| 309 | software | 37 | 1.5K | 80 | 77 |
| 310 | Comparative Physiology | 43 | 1.5K | 97 | 115 |
| 311 | Adolescent Medicine | 14 | 1.5K | 171 | 142 |
| 312 | Child | 60 | 1.5K | 343 | 380 |
| 313 | cytokines | 12 | 1.5K | 471 | 154 |
| 314 | Analytical Biochemistry | 55 | 1.5K | 151 | 216 |
| 315 | Plastics | 27 | 1.5K | 412 | 187 |
| 316 | dietary supplements | 28 | 1.5K | 83 | 46 |
| 317 | Intelligent Transportation Systems | 27 | 1.5K | 223 | 179 |
| 318 | Water Microbiology | 33 | 1.5K | 12 | 15 |
| 319 | Mechanics | 52 | 1.4K | 136 | 112 |
| 320 | Information Science | 55 | 1.4K | 330 | 473 |
| 321 | pain | 66 | 1.4K | 154 | 297 |
| 322 | Adsorption | 46 | 1.4K | 4 | 2 |
| 323 | cell interaction | 13 | 1.4K | 391 | 144 |
| 324 | Sleep | 48 | 1.4K | 258 | 266 |
| 325 | Meteorology | 33 | 1.4K | 555 | 575 |
| 326 | Cellular senescence | 20 | 1.4K | 12 | 27 |
| 327 | Economic Development | 26 | 1.4K | 380 | 319 |
| 328 | Fluid Mechanics | 29 | 1.4K | 393 | 247 |
| 329 | Sleep Disorders | 46 | 1.4K | 273 | 264 |
| 330 | Autoimmunity | 27 | 1.4K | 137 | 138 |
| 331 | Fishery management | 48 | 1.4K | 82 | 74 |
| 332 | Health Policy | 94 | 1.4K | 215 | 380 |
| 333 | Regional Planning | 56 | 1.4K | 198 | 259 |
| 333 | city planning | 68 | 1.4K | 159 | 233 |
| 335 | biopolymers | 40 | 1.4K | 223 | 216 |
| 335 | Agriculture | 43 | 1.4K | 352 | 365 |
| 337 | Cell communication | 11 | 1.3K | 170 | 43 |
| 338 | Fouling | 30 | 1.3K | 11 | 14 |
| 339 | Solar Energy | 36 | 1.3K | 262 | 325 |
| 340 | Aquatic ecology | 43 | 1.3K | 74 | 68 |
| 341 | Immunotherapy | 31 | 1.3K | 407 | 438 |
| 342 | Quantum electronics | 47 | 1.3K | 267 | 214 |
| 343 | Nondestructive testing | 22 | 1.3K | 126 | 48 |
| 344 | Mathematical Physics | 70 | 1.3K | 566 | 585 |
| 345 | Radiography | 5 | 1.3K | 517 | 215 |
| 346 | genome | 22 | 1.3K | 409 | 449 |
| 347 | Evolutionary Genetics | 23 | 1.3K | 56 | 22 |
| 347 | Molecular Epidemiology | 23 | 1.3K | 56 | 22 |
| 349 | Proteomics | 29 | 1.3K | 167 | 183 |
| 350 | Plants | 37 | 1.3K | 444 | 574 |
| 351 | Histology | 44 | 1.2K | 353 | 412 |
| 352 | Bioenergetics | 28 | 1.2K | 151 | 172 |
| 353 | Gerontology | 98 | 1.2K | 199 | 295 |
| 354 | Molecular Microbiology | 15 | 1.2K | 338 | 303 |
| 355 | Computational Chemistry | 28 | 1.2K | 78 | 134 |
| 356 | Soil Mechanics | 33 | 1.2K | 269 | 254 |
| 357 | Information Systems | 42 | 1.2K | 136 | 158 |
| 358 | Medical innovations | 19 | 1.2K | 248 | 320 |
| 359 | Transportation | 58 | 1.2K | 265 | 357 |
| 360 | Geology | 39 | 1.2K | 839 | 760 |
| 361 | United Kingdom | 40 | 1.2K | 291 | 380 |
| 362 | Statistics | 44 | 1.2K | 665 | 505 |
| 363 | Nanostructures | 30 | 1.2K | 443 | 488 |
| 364 | Hormones | 50 | 1.2K | 179 | 283 |
| 365 | disease vectors | 32 | 1.2K | 133 | 108 |
| 366 | Heat Exchangers | 29 | 1.2K | 251 | 241 |
| 366 | cell adhesion molecules | 2 | 1.2K | 226 | 10 |
| 368 | biological invasions | 31 | 1.2K | 45 | 51 |
| 369 | Chemical processes | 42 | 1.2K | 28 | 27 |
| 370 | Bioremediation | 26 | 1.2K | 54 | 49 |
| 371 | Mental Disorders | 63 | 1.2K | 432 | 723 |
| 372 | Neuropsychology | 54 | 1.2K | 439 | 572 |
| 373 | Bioinformatics | 50 | 1.2K | 334 | 490 |
| 374 | medical education | 56 | 1.2K | 261 | 287 |
| 375 | Diabetes | 44 | 1.1K | 405 | 558 |
| 376 | Clinical Immunology | 29 | 1.1K | 244 | 217 |
| 376 | gene therapy | 27 | 1.1K | 216 | 234 |
| 378 | Biomimetic materials | 8 | 1.1K | 1 | 1 |
| 379 | Educational Psychology | 36 | 1.1K | 350 | 366 |
| 380 | Primary health care | 64 | 1.1K | 203 | 269 |
| 381 | Sexual health | 80 | 1.1K | 35 | 94 |
| 382 | Fluid Dynamics | 33 | 1.1K | 239 | 196 |
| 383 | structural stability | 13 | 1.1K | 90 | 49 |
| 384 | mass transfer | 32 | 1.1K | 452 | 428 |
| 385 | Informatics | 32 | 1.1K | 83 | 111 |
| 386 | Systems Engineering | 45 | 1.1K | 348 | 420 |
| 386 | Allergy | 33 | 1.1K | 246 | 432 |
| 388 | plant molecular biology | 21 | 1.0K | 492 | 554 |
| 389 | Respiration | 36 | 1.0K | 336 | 389 |
| 390 | Earth Sciences | 45 | 1.0K | 770 | 835 |
| 391 | Dermatology | 58 | 1.0K | 269 | 372 |
| 391 | Screening | 39 | 1.0K | 3 | 5 |
| 393 | Recombinant DNA | 41 | 1.0K | 200 | 270 |
| 394 | Neurons | 5 | 1.0K | 415 | 400 |
| 395 | Systems Analysis | 22 | 1.0K | 250 | 99 |
| 396 | Radiation effects | 10 | 1.0K | 233 | 74 |
| 397 | Computer Science | 44 | 1.0K | 251 | 209 |
| 398 | Cognitive Science | 20 | 1.0K | 462 | 396 |
| 399 | Urology | 35 | 1.0K | 371 | 382 |
| 400 | Structural health monitoring | 11 | 1.0K | 45 | 19 |
| 401 | Lightweight concrete | 16 | 1.0K | 114 | 140 |
| 402 | Microorganisms | 30 | 999 | 148 | 301 |
| 403 | eugenics | 29 | 996 | 61 | 53 |
| 404 | Cardiovascular diseases | 59 | 989 | 235 | 364 |
| 405 | Drug delivery devices | 23 | 983 | 5 | 17 |
| 406 | Clinical Pharmacology | 33 | 982 | 247 | 239 |
| 407 | economic policy | 61 | 977 | 329 | 375 |
| 408 | sustainability | 9 | 976 | 369 | 213 |
| 409 | Medicinal plants | 24 | 973 | 299 | 341 |
| 410 | freshwater biology | 32 | 963 | 118 | 157 |
| 411 | Oxidation-reduction | 23 | 959 | 164 | 299 |
| 412 | Hazardous waste | 23 | 953 | 148 | 232 |
| 413 | Breeding | 36 | 952 | 225 | 252 |
| 414 | Developmental Immunology | 13 | 948 | 160 | 87 |
| 415 | Human-Computer Interaction | 24 | 944 | 342 | 276 |
| 416 | radioactive waste | 22 | 939 | 108 | 215 |
| 416 | industrial waste | 22 | 939 | 125 | 216 |
| 418 | Soft Condensed Matter | 35 | 937 | 239 | 265 |
| 419 | Heart Failure | 14 | 933 | 126 | 108 |
| 420 | histological techniques | 18 | 930 | 177 | 166 |
| 421 | Happiness | 13 | 925 | 68 | 35 |
| 422 | Energy metabolism | 20 | 923 | 183 | 195 |
| 422 | health planning | 45 | 923 | 341 | 363 |
| 424 | psychotherapy | 49 | 920 | 233 | 372 |
| 425 | Fiber Optics | 35 | 918 | 195 | 183 |
| 426 | Gene expression regulation | 14 | 916 | 328 | 248 |
| 427 | sanitation | 23 | 912 | 458 | 644 |
| 428 | Growth | 18 | 908 | 408 | 460 |
| 429 | Toxins | 41 | 907 | 61 | 106 |
| 430 | Water quality management | 41 | 902 | 260 | 302 |
| 431 | Food preferences | 16 | 880 | 92 | 63 |
| 432 | food contamination | 29 | 879 | 109 | 72 |
| 433 | Memory | 42 | 875 | 373 | 516 |
| 433 | Plasma devices | 19 | 875 | 77 | 78 |
| 435 | Solid State Chemistry | 48 | 874 | 560 | 633 |
| 436 | DNA polymerases | 8 | 869 | 188 | 201 |
| 437 | Antibacterial agents | 23 | 868 | 82 | 97 |
| 438 | Cerebral cortex | 5 | 864 | 630 | 298 |
| 439 | Animal breeding | 37 | 852 | 150 | 151 |
| 440 | Cement | 10 | 849 | 267 | 230 |
| 441 | Herbal medicine | 11 | 844 | 243 | 125 |
| 442 | Molecular cloning | 33 | 841 | 233 | 307 |
| 442 | Genetic recombination | 33 | 841 | 229 | 300 |
| 444 | Developing countries | 30 | 839 | 520 | 518 |
| 445 | Antioxidants | 16 | 837 | 206 | 273 |
| 446 | Liver diseases | 11 | 828 | 620 | 559 |
| 447 | violence | 41 | 826 | 149 | 250 |
| 448 | Animal genetics | 39 | 825 | 93 | 123 |
| 449 | Perception | 41 | 823 | 398 | 512 |
| 449 | venom | 39 | 823 | 60 | 103 |
| 451 | Enzyme inhibitors | 18 | 822 | 53 | 39 |
| 452 | Attention | 39 | 819 | 355 | 441 |
| 453 | biochemical markers | 19 | 818 | 89 | 30 |
| 454 | Proteome | 20 | 816 | 320 | 360 |
| 455 | Alternative Medicine | 20 | 814 | 353 | 240 |
| 455 | Chromosomes | 28 | 814 | 160 | 227 |
| 457 | epilepsy | 25 | 813 | 198 | 168 |
| 458 | complementary therapies | 22 | 812 | 354 | 250 |
| 458 | Immune system | 20 | 812 | 259 | 449 |
| 460 | adolescence | 20 | 810 | 269 | 276 |
| 460 | mathematical analysis | 89 | 810 | 328 | 534 |
| 462 | Entropy | 38 | 808 | 78 | 52 |
| 463 | Family | 28 | 807 | 220 | 216 |
| 464 | Cognition | 32 | 804 | 488 | 595 |
| 465 | Bacterial infections | 13 | 803 | 257 | 302 |
| 466 | Land use | 23 | 802 | 224 | 232 |
| 467 | Dietetics | 18 | 799 | 186 | 115 |
| 468 | Clinical Psychology | 28 | 796 | 343 | 441 |
| 469 | Mobile Computing | 15 | 795 | 388 | 234 |
| 470 | Engineering Geology | 27 | 793 | 371 | 398 |
| 471 | Developmental Psychology | 27 | 790 | 269 | 345 |
| 472 | toxicity testing | 15 | 789 | 108 | 53 |
| 473 | Economic History | 71 | 786 | 473 | 756 |
| 473 | Mental illness | 34 | 786 | 419 | 672 |
| 475 | Stem cells | 25 | 780 | 387 | 457 |
| 476 | Visual Perception | 39 | 778 | 336 | 433 |
| 477 | Systems Biology | 36 | 776 | 268 | 357 |
| 478 | Surgery | 15 | 772 | 582 | 609 |
| 479 | Microscopy | 26 | 764 | 280 | 254 |
| 480 | Neurotoxicology | 14 | 760 | 127 | 87 |
| 481 | Mycology | 31 | 759 | 376 | 468 |
| 482 | Nursing | 66 | 757 | 195 | 320 |
| 483 | drug toxicity | 24 | 755 | 21 | 28 |
| 484 | feeding behavior | 28 | 752 | 139 | 198 |
| 484 | Algae | 30 | 752 | 145 | 197 |
| 486 | Diabetes mellitus | 34 | 751 | 446 | 672 |
| 487 | Urban Economics | 4 | 742 | 290 | 95 |
| 488 | Hydrology | 23 | 739 | 771 | 732 |
| 488 | urban population | 3 | 739 | 198 | 74 |
| 490 | Civil Engineering | 36 | 738 | 293 | 168 |
| 490 | Liquid chromatography | 31 | 738 | 26 | 7 |
| 492 | plasticity | 7 | 732 | 195 | 139 |
| 493 | Plant cells | 12 | 731 | 526 | 612 |
| 494 | Geochemistry | 23 | 729 | 703 | 716 |
| 494 | drug evaluation | 28 | 729 | 229 | 248 |
| 496 | Agricultural Ecology | 18 | 726 | 290 | 360 |
| 497 | older people | 82 | 719 | 184 | 289 |
| 497 | rare diseases | 19 | 719 | 147 | 139 |
| 499 | personality | 30 | 717 | 422 | 602 |
| 500 | Geodesy | 11 | 716 | 255 | 86 |
| 501 | Mental Health | 31 | 715 | 346 | 363 |
| 502 | carbon monoxide | 11 | 714 | 73 | 42 |
| 503 | Leukemia | 9 | 711 | 469 | 386 |
| 504 | Detectors | 33 | 702 | 277 | 328 |
| 505 | enzymes | 21 | 699 | 468 | 466 |
| 506 | Rock Mechanics | 19 | 689 | 298 | 298 |
| 507 | Pharmacogenetics | 19 | 687 | 236 | 257 |
| 508 | Climatology | 25 | 685 | 494 | 598 |
| 509 | Technological Innovations | 16 | 682 | 269 | 227 |
| 510 | Recycling | 7 | 670 | 310 | 251 |
| 511 | Steroids | 20 | 665 | 273 | 244 |
| 512 | Immunopathology | 29 | 664 | 314 | 412 |
| 513 | Physical Therapy | 29 | 660 | 282 | 391 |
| 513 | Landscape Ecology | 20 | 660 | 69 | 129 |
| 513 | fuel cells | 16 | 660 | 478 | 535 |
| 516 | Social behavior | 33 | 657 | 243 | 401 |
| 517 | Health | 47 | 656 | 352 | 578 |
| 518 | Genetic Toxicology | 19 | 649 | 50 | 91 |
| 518 | Genetic regulation | 10 | 649 | 483 | 414 |
| 520 | Youth | 14 | 645 | 253 | 222 |
| 521 | Organometallic chemistry | 30 | 639 | 522 | 471 |
| 522 | Orthopedics | 15 | 638 | 571 | 434 |
| 523 | soil microbiology | 13 | 636 | 635 | 695 |
| 524 | Signal Transduction | 20 | 632 | 450 | 602 |
| 524 | Industrial Policy | 13 | 632 | 151 | 120 |
| 526 | Industrial Organization | 11 | 631 | 93 | 53 |
| 527 | Chemotherapy | 16 | 627 | 460 | 377 |
| 527 | Educational Technology | 26 | 627 | 346 | 412 |
| 527 | computer networks | 36 | 627 | 586 | 825 |
| 530 | Reproductive health | 22 | 623 | 156 | 163 |
| 531 | Serology | 21 | 622 | 57 | 66 |
| 532 | Health Services Research | 25 | 620 | 402 | 408 |
| 532 | educational planning | 13 | 620 | 105 | 84 |
| 534 | counseling | 35 | 618 | 296 | 375 |
| 535 | DNA | 16 | 617 | 111 | 66 |
| 536 | Parallel Processing | 2 | 615 | 533 | 157 |
| 536 | Child psychology | 24 | 615 | 439 | 598 |
| 538 | cosmetics | 10 | 613 | 25 | 9 |
| 539 | animal diseases | 20 | 607 | 108 | 88 |
| 540 | Forest Management | 22 | 606 | 259 | 327 |
| 540 | machinery | 26 | 606 | 125 | 128 |
| 542 | Mitochondria | 20 | 604 | 7 | 32 |
| 543 | Microfluidics | 9 | 602 | 69 | 29 |
| 544 | Neonatology | 21 | 599 | 105 | 112 |
| 545 | Molecular Pharmacology | 12 | 598 | 302 | 288 |
| 546 | Africa | 43 | 596 | 187 | 221 |
| 546 | energy resources | 22 | 596 | 362 | 727 |
| 548 | Child welfare | 32 | 590 | 225 | 256 |
| 549 | micromechanics | 12 | 587 | 227 | 140 |
| 550 | mycoses | 12 | 585 | 270 | 361 |
| 551 | Bacteria | 7 | 583 | 161 | 133 |
| 552 | Genetic markers | 8 | 574 | 62 | 9 |
| 553 | Wireless Communication Systems | 35 | 573 | 629 | 794 |
| 554 | drug development | 15 | 569 | 282 | 439 |
| 555 | Tourism | 17 | 565 | 566 | 708 |
| 555 | Economic planning | 16 | 565 | 88 | 77 |
| 557 | air quality management | 14 | 563 | 104 | 102 |
| 558 | global environmental change | 11 | 562 | 313 | 332 |
| 559 | Metallurgy | 16 | 558 | 923 | 720 |
| 560 | Rheology | 16 | 553 | 173 | 159 |
| 560 | bioclimatology | 15 | 553 | 241 | 194 |
| 562 | Eating Disorders | 24 | 551 | 222 | 281 |
| 562 | Yeast | 21 | 551 | 62 | 124 |
| 564 | Appetite | 24 | 550 | 129 | 225 |
| 565 | Physical organic chemistry | 33 | 547 | 262 | 430 |
| 566 | Molecules | 22 | 546 | 540 | 498 |
| 567 | Soil Science | 14 | 540 | 803 | 738 |
| 568 | Environmental Geology | 21 | 536 | 462 | 540 |
| 569 | finance | 36 | 534 | 575 | 804 |
| 570 | internet | 18 | 533 | 524 | 545 |
| 571 | Forest Ecology | 21 | 531 | 285 | 397 |
| 572 | mammals | 32 | 530 | 162 | 260 |
| 573 | child abuse | 15 | 529 | 298 | 322 |
| 574 | Feeding and Eating Disorders | 23 | 528 | 212 | 272 |
| 574 | pigments | 31 | 528 | 126 | 213 |
| 576 | RNA | 5 | 527 | 354 | 193 |
| 577 | Post-traumatic stress disorder | 12 | 526 | 319 | 275 |
| 578 | clay | 9 | 525 | 382 | 280 |
| 579 | Chemical analysis | 23 | 524 | 236 | 333 |
| 579 | fertility | 18 | 524 | 312 | 411 |
| 581 | Simulation Methods | 14 | 522 | 299 | 133 |
| 581 | Infertility | 17 | 522 | 295 | 383 |
| 583 | Fishery resources | 22 | 521 | 105 | 154 |
| 584 | Social work | 40 | 518 | 292 | 364 |
| 585 | Developmental Genetics | 7 | 517 | 279 | 291 |
| 586 | Ventilation | 13 | 516 | 147 | 127 |
| 587 | indoor air pollution | 11 | 515 | 111 | 105 |
| 587 | Sick building syndrome | 11 | 515 | 111 | 105 |
| 587 | natural disasters | 17 | 515 | 352 | 412 |
| 590 | Kinetics | 22 | 514 | 61 | 56 |
| 590 | movement | 21 | 514 | 38 | 77 |
| 592 | sexual behavior | 31 | 510 | 98 | 213 |
| 593 | Finite Element Method | 25 | 507 | 26 | 36 |
| 594 | Coastal zone management | 33 | 503 | 51 | 149 |
| 594 | Calorimetry | 35 | 503 | 149 | 222 |
| 594 | Thermal analysis | 35 | 503 | 149 | 222 |
| 597 | Remote Sensing | 25 | 498 | 343 | 313 |
| 597 | Measurement | 24 | 498 | 312 | 353 |
| 597 | econometric models | 25 | 498 | 46 | 119 |
| 600 | Patient education | 23 | 496 | 140 | 227 |
| 601 | cell membrane | 16 | 489 | 216 | 283 |
| 602 | Social policy | 37 | 484 | 137 | 239 |
| 603 | Chemical industry | 31 | 483 | 247 | 279 |
| 604 | Nutrition physiology | 11 | 482 | 276 | 248 |
| 604 | Nanoparticles | 18 | 482 | 679 | 776 |
| 606 | Music | 21 | 479 | 189 | 152 |
| 607 | Medical Oncology | 11 | 473 | 723 | 684 |
| 608 | Pesticides | 13 | 471 | 182 | 105 |
| 609 | Ecosystem management | 13 | 470 | 232 | 237 |
| 610 | Kinesiology | 21 | 469 | 7 | 10 |
| 610 | Autoantibodies | 11 | 469 | 205 | 207 |
| 610 | Autoimmune diseases | 11 | 469 | 232 | 230 |
| 613 | Information Technology | 34 | 466 | 459 | 911 |
| 614 | Seaweed | 15 | 465 | 183 | 224 |
| 615 | pharmaceutical industry | 18 | 464 | 92 | 87 |
| 616 | Geomorphology | 12 | 460 | 676 | 668 |
| 616 | Dementia | 29 | 460 | 368 | 361 |
| 618 | Industrial Safety | 33 | 459 | 151 | 342 |
| 618 | supercritical fluids | 13 | 459 | 133 | 141 |
| 620 | Drying | 13 | 458 | 109 | 90 |
| 620 | International Finance | 32 | 458 | 371 | 649 |
| 622 | Hydraulic Engineering | 20 | 455 | 286 | 320 |
| 622 | Family Therapy | 19 | 455 | 217 | 204 |
| 624 | Animal Nutrition | 14 | 454 | 204 | 169 |
| 625 | Australia | 37 | 451 | 284 | 464 |
| 626 | Palliative Care | 22 | 450 | 192 | 210 |
| 626 | Waste management | 27 | 450 | 273 | 356 |
| 628 | Forensic Psychiatry | 14 | 449 | 187 | 129 |
| 629 | Carcinogenesis | 27 | 448 | 173 | 404 |
| 630 | Power Electronics | 10 | 445 | 590 | 536 |
| 630 | Neurosurgery | 25 | 445 | 233 | 386 |
| 630 | Metals | 13 | 445 | 937 | 825 |
| 633 | Combinatorial chemistry | 10 | 443 | 309 | 352 |
| 634 | preimplantation genetic diagnosis | 19 | 442 | 77 | 90 |
| 634 | embryo transfer | 19 | 442 | 81 | 94 |
| 636 | data collection | 33 | 441 | 98 | 399 |
| 636 | Catalysts | 11 | 441 | 270 | 175 |
| 638 | Ophthalmology | 16 | 440 | 725 | 711 |
| 639 | Andrology | 16 | 438 | 167 | 162 |
| 639 | Fluorescence | 15 | 438 | 51 | 24 |
| 641 | Teaching | 32 | 437 | 397 | 580 |
| 642 | Biomolecules | 9 | 436 | 164 | 187 |
| 643 | vitamin C | 8 | 434 | 154 | 134 |
| 643 | vitamin E | 8 | 434 | 154 | 134 |
| 645 | commerce | 28 | 432 | 285 | 617 |
| 645 | Women's health | 14 | 432 | 420 | 334 |
| 645 | Digestive system diseases | 8 | 432 | 503 | 344 |
| 648 | Communication | 31 | 431 | 529 | 849 |
| 649 | Ichthyology | 29 | 429 | 35 | 44 |
| 650 | breastfeeding | 12 | 426 | 124 | 100 |
| 651 | Muscles | 4 | 424 | 620 | 378 |
| 652 | families | 21 | 421 | 237 | 237 |
| 652 | China | 16 | 421 | 1132 | 958 |
| 654 | Learning | 15 | 420 | 539 | 555 |
| 655 | Raman spectroscopy | 9 | 419 | 379 | 218 |
| 656 | Database Management | 11 | 418 | 362 | 310 |
| 657 | Invertebrates | 19 | 409 | 126 | 156 |
| 658 | Planets | 10 | 408 | 776 | 790 |
| 659 | Genetic therapy | 10 | 404 | 481 | 469 |
| 659 | family violence | 7 | 404 | 244 | 164 |
| 661 | Cellulose | 11 | 402 | 207 | 211 |
| 661 | Ore deposits | 19 | 402 | 144 | 200 |
| 661 | Animal | 24 | 402 | 9 | 14 |
| 664 | Immunogenetics | 15 | 401 | 196 | 201 |
| 664 | wood | 17 | 401 | 142 | 119 |
| 666 | Alzheimer's disease | 27 | 400 | 393 | 426 |
| 667 | Ethnology | 33 | 399 | 271 | 338 |
| 668 | occupational diseases | 22 | 398 | 162 | 301 |
| 668 | food industry | 27 | 398 | 66 | 103 |
| 670 | Astrocytes | 11 | 397 | 178 | 279 |
| 670 | Phytotherapy | 11 | 397 | 164 | 170 |
| 672 | child mental health | 12 | 391 | 170 | 131 |
| 673 | risk factors | 20 | 390 | 169 | 264 |
| 674 | Solitons | 23 | 389 | 229 | 385 |
| 674 | Fractals | 23 | 389 | 230 | 385 |
| 674 | Chaos | 23 | 389 | 229 | 385 |
| 674 | Decision making | 19 | 389 | 421 | 564 |
| 678 | Genes | 21 | 387 | 276 | 388 |
| 679 | miniaturization | 16 | 385 | 701 | 978 |
| 680 | Adolescent Psychology | 18 | 380 | 247 | 394 |
| 680 | Transport | 16 | 380 | 170 | 242 |
| 680 | Climate | 9 | 380 | 245 | 222 |
| 680 | weather | 9 | 380 | 223 | 178 |
| 684 | sports injuries | 19 | 379 | 99 | 104 |
| 685 | mutation | 9 | 378 | 247 | 262 |
| 686 | Archaeology | 25 | 375 | 408 | 463 |
| 686 | Green Technology | 38 | 375 | 10 | 41 |
| 688 | Cognitive neuroscience | 9 | 374 | 524 | 555 |
| 689 | Water Purification | 21 | 372 | 272 | 346 |
| 690 | Regional Development | 6 | 371 | 153 | 77 |
| 690 | Development planning | 6 | 371 | 125 | 66 |
| 690 | Fish | 22 | 371 | 31 | 42 |
| 693 | voice | 16 | 370 | 133 | 121 |
| 693 | Metallography | 11 | 370 | 351 | 290 |
| 695 | peptides | 22 | 369 | 110 | 155 |
| 696 | Urban Policy | 14 | 367 | 258 | 323 |
| 696 | Social Change | 12 | 367 | 390 | 656 |
| 698 | Logistics | 15 | 365 | 141 | 253 |
| 699 | Product life cycle | 7 | 363 | 127 | 118 |
| 699 | green products | 7 | 363 | 118 | 116 |
| 701 | DNA methylation | 6 | 361 | 129 | 115 |
| 702 | Multimedia Systems | 24 | 360 | 492 | 615 |
| 702 | Marine resources | 16 | 360 | 171 | 221 |
| 704 | Multiphase Flow | 12 | 359 | 142 | 163 |
| 704 | Emotions | 5 | 359 | 439 | 345 |
| 706 | carcinogens | 11 | 357 | 378 | 459 |
| 707 | viral genetics | 5 | 354 | 182 | 268 |
| 708 | Energy Storage | 13 | 352 | 515 | 593 |
| 708 | Dynamics | 28 | 352 | 366 | 498 |
| 708 | pain management | 31 | 352 | 79 | 200 |
| 711 | planning | 20 | 351 | 131 | 166 |
| 712 | Humanities | 22 | 349 | 381 | 339 |
| 712 | Occupational Health | 35 | 349 | 150 | 309 |
| 712 | Health Information Management | 5 | 349 | 169 | 293 |
| 712 | Chemical Oceanography | 6 | 349 | 169 | 163 |
| 716 | Dentistry | 18 | 348 | 207 | 192 |
| 716 | Liposomes | 7 | 348 | 311 | 255 |
| 716 | viruses | 10 | 348 | 624 | 725 |
| 719 | Crystallography | 37 | 347 | 375 | 419 |
| 719 | Birds | 40 | 347 | 232 | 381 |
| 721 | recreation | 15 | 345 | 227 | 192 |
| 722 | Psycholinguistics | 17 | 341 | 340 | 494 |
| 723 | Algebra | 57 | 337 | 219 | 366 |
| 724 | Geriatric Psychiatry | 19 | 336 | 261 | 389 |
| 724 | Vocational guidance | 9 | 336 | 473 | 487 |
| 726 | Computer Graphics | 28 | 334 | 453 | 738 |
| 727 | Wind power | 13 | 332 | 56 | 62 |
| 728 | mutagens | 10 | 331 | 333 | 440 |
| 729 | Pediatric Neurology | 8 | 329 | 500 | 591 |
| 729 | Sarcopenia | 1 | 329 | 620 | 222 |
| 729 | Asia | 19 | 329 | 910 | 897 |
| 732 | Ornithology | 37 | 328 | 173 | 334 |
| 732 | world | 7 | 328 | 410 | 455 |
| 734 | Macroeconomics | 9 | 326 | 145 | 91 |
| 734 | Chemical structure | 26 | 326 | 27 | 67 |
| 734 | educational innovations | 1 | 326 | 952 | 190 |
| 737 | Research Design | 9 | 325 | 580 | 556 |
| 738 | plant communities | 10 | 324 | 554 | 689 |
| 739 | Criminology | 24 | 323 | 284 | 357 |
| 740 | emergency management | 8 | 321 | 307 | 264 |
| 740 | Crystal growth | 16 | 321 | 347 | 438 |
| 740 | Safety management | 13 | 321 | 116 | 75 |
| 743 | Nanobiotechnology | 4 | 320 | 328 | 248 |
| 744 | Geodynamics | 8 | 319 | 535 | 503 |
| 744 | Kidney diseases | 13 | 319 | 331 | 401 |
| 746 | Latin America | 60 | 317 | 146 | 236 |
| 747 | Minerals | 14 | 315 | 199 | 244 |
| 748 | Public Health Administration | 28 | 313 | 85 | 102 |
| 748 | Functional foods | 8 | 313 | 136 | 106 |
| 750 | Econometrics | 41 | 312 | 262 | 569 |
| 750 | Elderly | 66 | 312 | 165 | 280 |
| 750 | body temperature | 15 | 312 | 82 | 121 |
| 753 | probabilities | 16 | 311 | 577 | 454 |
| 754 | Protozoa | 14 | 310 | 105 | 171 |
| 754 | environmental issues | 6 | 310 | 227 | 157 |
| 756 | Mental Health Services | 14 | 307 | 438 | 467 |
| 757 | Neurogenetics | 10 | 303 | 83 | 84 |
| 758 | Health Services Administration | 16 | 302 | 273 | 379 |
| 759 | Emergency Medicine | 13 | 301 | 539 | 442 |
| 759 | Ceramic materials | 15 | 301 | 518 | 587 |
| 759 | Lipid bilayers | 6 | 301 | 305 | 255 |
| 759 | Japan | 29 | 301 | 338 | 567 |
| 763 | scientific societies | 14 | 300 | 236 | 288 |
| 764 | Mass Spectrometry | 16 | 298 | 437 | 534 |
| 764 | Mutagenesis | 9 | 298 | 133 | 102 |
| 764 | anesthesia | 14 | 298 | 120 | 69 |
| 764 | Spine | 8 | 298 | 346 | 360 |
| 768 | Plant Genetics | 5 | 296 | 490 | 455 |
| 768 | Metabolic syndrome | 13 | 296 | 47 | 44 |
| 768 | Tunneling | 3 | 296 | 326 | 206 |
| 768 | underground construction | 3 | 296 | 326 | 206 |
| 768 | Vaccines | 19 | 296 | 522 | 749 |
| 773 | Lipid metabolism | 16 | 295 | 77 | 215 |
| 773 | soil conservation | 16 | 295 | 174 | 348 |
| 773 | Environmental Geochemistry | 11 | 295 | 115 | 119 |
| 773 | Lipid | 16 | 295 | 78 | 215 |
| 773 | place marketing | 3 | 295 | 83 | 51 |
| 778 | Bacterial diseases | 5 | 293 | 137 | 86 |
| 779 | Magnetic Materials | 15 | 292 | 661 | 779 |
| 780 | Language Disorders | 14 | 290 | 332 | 360 |
| 780 | Soil biology | 5 | 290 | 665 | 650 |
| 782 | Reproductive toxicology | 13 | 287 | 88 | 185 |
| 783 | Adipose tissue | 1 | 285 | 163 | 10 |
| 783 | human development | 14 | 285 | 299 | 465 |
| 785 | Historic Preservation | 18 | 284 | 14 | 20 |
| 785 | Carbohydrates | 9 | 284 | 179 | 218 |
| 787 | Psychopharmacology | 12 | 283 | 657 | 820 |
| 787 | Genetic testing | 30 | 283 | 7 | 31 |
| 787 | DNS | 10 | 283 | 166 | 178 |
| 790 | Anthropology | 17 | 282 | 574 | 605 |
| 791 | Human Geography | 12 | 279 | 499 | 490 |
| 792 | Histochemistry | 13 | 277 | 421 | 466 |
| 792 | Chronic diseases | 13 | 277 | 254 | 392 |
| 794 | Software Engineering | 24 | 276 | 255 | 486 |
| 794 | Public Administration | 9 | 276 | 756 | 578 |
| 794 | Immunopharmacology | 12 | 276 | 413 | 497 |
| 794 | Aggression | 17 | 276 | 121 | 286 |
| 798 | France | 8 | 275 | 212 | 62 |
| 799 | Bones | 11 | 274 | 320 | 474 |
| 800 | Industry | 7 | 271 | 42 | 143 |
| 801 | Flexible manufacturing systems | 8 | 270 | 159 | 146 |
| 801 | Cheminformatics | 7 | 270 | 119 | 218 |
| 803 | Geometry | 25 | 267 | 363 | 320 |
| 804 | industrial hygiene | 29 | 266 | 141 | 236 |
| 804 | Ferroelectricity | 42 | 266 | 161 | 335 |
| 806 | Cosmochemistry | 7 | 265 | 534 | 504 |
| 807 | stability | 27 | 264 | 1 | 3 |
| 807 | Entomology | 19 | 264 | 840 | 945 |
| 809 | School Psychology | 4 | 263 | 384 | 232 |
| 809 | Medical Anthropology | 9 | 263 | 608 | 779 |
| 809 | Bibliometrics | 6 | 263 | 60 | 56 |
| 812 | Writing | 12 | 262 | 67 | 116 |
| 812 | Reading | 12 | 262 | 245 | 283 |
| 814 | glycoproteins | 9 | 261 | 194 | 240 |
| 814 | Glycoconjugates | 9 | 261 | 194 | 240 |
| 814 | glycolipids | 9 | 261 | 194 | 240 |
| 817 | Genetic variation | 10 | 260 | 20 | 22 |
| 818 | Maternal health services | 5 | 259 | 234 | 141 |
| 818 | Genetic disorders | 10 | 259 | 200 | 213 |
| 820 | Cross-Cultural Studies | 12 | 256 | 209 | 258 |
| 820 | Marriage | 18 | 256 | 124 | 215 |
| 820 | amino acids | 10 | 256 | 196 | 274 |
| 823 | Exercise therapy | 22 | 254 | 31 | 98 |
| 824 | Biometrics | 12 | 253 | 479 | 486 |
| 824 | Nonlinear mechanics | 7 | 253 | 245 | 163 |
| 826 | biomedicine | 10 | 252 | 143 | 236 |
| 827 | Biomass | 11 | 251 | 218 | 430 |
| 827 | biological monitoring | 10 | 251 | 157 | 221 |
| 829 | international trade | 16 | 248 | 158 | 295 |
| 830 | Rural Development | 2 | 247 | 637 | 260 |
| 830 | Adult Education | 19 | 247 | 130 | 154 |
| 832 | Geographic information systems | 13 | 246 | 381 | 397 |
| 832 | Sea | 14 | 246 | 156 | 260 |
| 834 | Occupational Therapy | 25 | 245 | 223 | 252 |
| 834 | civil rights | 19 | 245 | 54 | 104 |
| 836 | Biomarkers | 11 | 244 | 103 | 105 |
| 836 | forest policy | 4 | 244 | 267 | 139 |
| 838 | Intercultural Communication | 9 | 243 | 156 | 178 |
| 838 | Pharmacy management | 17 | 243 | 65 | 85 |
| 838 | Sexuality | 18 | 243 | 41 | 76 |
| 841 | Structural optimization | 12 | 239 | 121 | 193 |
| 841 | Veterinary Pathology | 19 | 239 | 78 | 111 |
| 841 | Developmental Disabilities | 6 | 239 | 635 | 609 |
| 841 | brewing | 9 | 239 | 68 | 53 |
| 841 | Marriage counseling | 16 | 239 | 68 | 152 |
| 846 | Germany | 18 | 237 | 142 | 98 |
| 847 | Online social networks | 11 | 236 | 59 | 89 |
| 847 | Microstructure | 4 | 236 | 779 | 242 |
| 849 | land degradation | 7 | 235 | 224 | 242 |
| 849 | degradation | 7 | 235 | 224 | 242 |
| 851 | Nephrology | 6 | 234 | 299 | 350 |
| 851 | solar power | 5 | 234 | 604 | 563 |
| 851 | paraphilias | 15 | 234 | 20 | 78 |
| 851 | solar cells | 5 | 234 | 653 | 610 |
| 855 | hygiene | 6 | 233 | 275 | 194 |
| 856 | Organizational change | 13 | 231 | 215 | 370 |
| 856 | Body Image | 6 | 231 | 130 | 147 |
| 858 | Bryology | 9 | 230 | 75 | 60 |
| 859 | isomerism | 12 | 228 | 72 | 104 |
| 859 | Chirality | 12 | 228 | 72 | 104 |
| 861 | individual differences | 4 | 227 | 233 | 196 |
| 862 | Microbial Metabolism | 7 | 225 | 48 | 90 |
| 863 | Ecophysiology | 13 | 224 | 25 | 60 |
| 863 | sex crimes | 18 | 224 | 165 | 318 |
| 865 | Optical Communications | 9 | 223 | 379 | 309 |
| 865 | Consumer education | 7 | 223 | 137 | 202 |
| 867 | Fermentation | 6 | 222 | 113 | 79 |
| 867 | mathematical concepts | 17 | 222 | 83 | 103 |
| 869 | brain mapping | 5 | 221 | 449 | 460 |
| 870 | Bone diseases | 7 | 220 | 217 | 347 |
| 871 | Evidence-Based Medicine | 5 | 219 | 455 | 315 |
| 872 | Herpetology | 21 | 218 | 36 | 72 |
| 873 | Nuclear Fusion | 3 | 217 | 534 | 252 |
| 874 | Internet of Things | 3 | 216 | 1069 | 745 |
| 874 | Integrated Optics | 8 | 216 | 8 | 2 |
| 876 | Oligosaccharide | 7 | 215 | 141 | 207 |
| 876 | Development | 5 | 215 | 561 | 539 |
| 876 | Economic Assistance | 5 | 215 | 485 | 498 |
| 879 | Telecommunication Systems | 22 | 214 | 432 | 750 |
| 879 | Rock deformation | 4 | 214 | 148 | 103 |
| 879 | Molecular Spectroscopy | 9 | 214 | 1068 | 1043 |
| 879 | hazard mitigation | 12 | 214 | 288 | 472 |
| 879 | Europa | 14 | 214 | 157 | 297 |
| 884 | Building | 11 | 213 | 239 | 228 |
| 884 | investigative techniques | 4 | 213 | 73 | 72 |
| 886 | Gender Studies | 6 | 211 | 335 | 246 |
| 886 | Geriatric Oncology | 7 | 211 | 286 | 319 |
| 886 | Substance Abuse | 12 | 211 | 618 | 738 |
| 886 | X-ray crystallography | 17 | 211 | 169 | 213 |
| 890 | bryophytes | 7 | 210 | 35 | 25 |
| 891 | homosexuality | 6 | 209 | 238 | 196 |
| 892 | mental health promotion | 7 | 206 | 81 | 86 |
| 893 | Regional Economics | 16 | 205 | 89 | 238 |
| 893 | Leadership | 2 | 205 | 693 | 443 |
| 893 | Atomic spectroscopy | 12 | 205 | 530 | 585 |
| 896 | Queer Studies | 4 | 203 | 230 | 143 |
| 896 | Immunochemistry | 8 | 203 | 506 | 506 |
| 896 | Plant diseases | 12 | 203 | 935 | 1075 |
| 899 | Genetic Research | 5 | 202 | 81 | 62 |
| 899 | Neuroimmunology | 7 | 202 | 385 | 552 |
| 901 | Cognitive Therapy | 13 | 201 | 226 | 357 |
| 902 | Higher Education | 13 | 200 | 211 | 286 |
| 902 | Mineralogy | 8 | 200 | 778 | 765 |
| 902 | Microbial Biotechnology | 7 | 200 | 532 | 580 |
| 905 | Atmospheric Chemistry | 6 | 199 | 572 | 695 |
| 906 | Neuropsychiatry | 10 | 198 | 366 | 484 |
| 907 | Plant breeding | 11 | 197 | 296 | 415 |
| 908 | Metallic Glasses | 4 | 196 | 371 | 264 |
| 908 | Plant genetic engineering | 7 | 196 | 498 | 629 |
| 908 | Information society | 5 | 196 | 56 | 42 |
| 908 | Insects | 11 | 196 | 694 | 767 |
| 912 | Fungi | 6 | 195 | 671 | 753 |
| 913 | Cybernetics | 14 | 194 | 666 | 1037 |
| 913 | Medical Ethics | 20 | 194 | 335 | 478 |
| 913 | Muscle contraction | 10 | 194 | 72 | 24 |
| 916 | Philosophy | 34 | 193 | 436 | 521 |
| 916 | disease outbreaks | 5 | 193 | 347 | 341 |
| 916 | Epidemics | 5 | 193 | 333 | 339 |
| 916 | Cerebellum | 9 | 193 | 105 | 160 |
| 916 | Cerebellar ataxia | 9 | 193 | 105 | 160 |
| 921 | Urban Geography | 2 | 190 | 294 | 124 |
| 922 | Agricultural Engineering | 5 | 189 | 296 | 257 |
| 922 | Hemodynamics | 4 | 189 | 466 | 529 |
| 924 | Architecture | 11 | 188 | 197 | 181 |
| 924 | Schizophrenia | 6 | 188 | 615 | 674 |
| 924 | locomotion | 8 | 188 | 355 | 409 |
| 924 | posture | 8 | 188 | 355 | 409 |
| 924 | gait | 8 | 188 | 355 | 409 |
| 924 | walking | 8 | 188 | 355 | 409 |
| 930 | Histocompatibility Testing | 8 | 185 | 214 | 246 |
| 931 | Genetic Counseling | 19 | 184 | 49 | 97 |
| 931 | Social problems | 10 | 184 | 272 | 428 |
| 933 | Land Use Planning | 2 | 182 | 479 | 292 |
| 934 | Roads | 10 | 181 | 350 | 315 |
| 935 | Light | 5 | 180 | 669 | 795 |
| 935 | Personality Assessment | 7 | 180 | 339 | 452 |
| 937 | school psychologists | 1 | 179 | 351 | 158 |
| 938 | Algorithms | 16 | 178 | 179 | 327 |
| 938 | Veterinary Immunology | 6 | 178 | 202 | 192 |
| 940 | disabilities | 11 | 177 | 279 | 395 |
| 941 | health workforce | 4 | 176 | 128 | 138 |
| 941 | Vision | 1 | 176 | 921 | 467 |
| 943 | Apoptosis | 4 | 175 | 175 | 135 |
| 943 | neurotoxins | 4 | 175 | 175 | 135 |
| 943 | Neurotoxic agents | 4 | 175 | 175 | 135 |
| 943 | Nerve regeneration | 4 | 175 | 175 | 135 |
| 947 | Risk assessment | 8 | 173 | 248 | 261 |
| 947 | Familial diseases | 9 | 173 | 52 | 80 |
| 949 | Marine Geology | 8 | 172 | 309 | 375 |
| 950 | Databases | 9 | 170 | 186 | 236 |
| 950 | big data | 11 | 170 | 148 | 334 |
| 950 | Health Risk Assessment | 7 | 170 | 166 | 184 |
| 953 | Labor Economics | 6 | 169 | 315 | 318 |
| 954 | Luminescence | 9 | 167 | 744 | 768 |
| 954 | atmosphere | 5 | 167 | 529 | 543 |
| 954 | Soil ecology | 5 | 167 | 563 | 624 |
| 957 | Mining Engineering | 3 | 165 | 514 | 339 |
| 957 | Smart Materials | 10 | 165 | 436 | 560 |
| 957 | calcification | 4 | 165 | 400 | 377 |
| 960 | Geomagnetism | 1 | 164 | 773 | 403 |
| 960 | Sites | 8 | 164 | 302 | 457 |
| 960 | alcoholism | 9 | 164 | 704 | 896 |
| 963 | Early Childhood Education | 11 | 163 | 256 | 313 |
| 963 | Geosynthetics | 14 | 163 | 7 | 18 |
| 963 | Microprocessors | 20 | 163 | 105 | 253 |
| 966 | Computer Architecture | 15 | 162 | 137 | 211 |
| 966 | Criminal psychology | 17 | 162 | 265 | 502 |
| 966 | Psychiatric Nursing | 10 | 162 | 303 | 351 |
| 966 | Culture | 16 | 162 | 368 | 450 |
| 970 | Structural design | 11 | 161 | 352 | 529 |
| 971 | digital preservation | 2 | 160 | 92 | 28 |
| 971 | intergroup relations | 6 | 160 | 97 | 143 |
| 971 | Malaria | 8 | 160 | 311 | 402 |
| 971 | Credit | 1 | 160 | 215 | 67 |
| 971 | Money | 1 | 160 | 661 | 273 |
| 976 | Asthma | 13 | 159 | 187 | 322 |
| 976 | Drug discovery | 6 | 159 | 108 | 133 |
| 978 | Entrepreneurship | 10 | 158 | 423 | 927 |
| 978 | school sports | 6 | 158 | 73 | 86 |
| 978 | Human Resources | 4 | 158 | 368 | 429 |
| 981 | Radiation | 12 | 157 | 1009 | 1210 |
| 981 | Cell cycle | 7 | 157 | 133 | 181 |
| 981 | monitoring | 11 | 157 | 57 | 88 |
| 981 | cell proliferation | 7 | 157 | 156 | 192 |
| 985 | Emergency Medical Services | 7 | 156 | 332 | 318 |
| 985 | Financial Regulation | 7 | 156 | 7 | 2 |
| 985 | Hippocampus | 1 | 156 | 447 | 290 |
| 985 | Pituitary gland | 5 | 156 | 117 | 119 |
| 985 | Spain | 21 | 156 | 89 | 46 |
| 990 | Ecological Engineering | 5 | 155 | 459 | 589 |
| 990 | health services accessibility | 9 | 155 | 443 | 553 |
| 990 | ecological risk assessment | 6 | 155 | 71 | 116 |
| 990 | elder abuse | 7 | 155 | 167 | 214 |
| 994 | auditory perception | 4 | 154 | 334 | 328 |
| 995 | Industrial Design | 4 | 153 | 197 | 157 |
| 995 | Biogeochemistry | 8 | 153 | 606 | 913 |
| 995 | Cytoskeleton | 4 | 153 | 215 | 203 |
| 995 | particles | 6 | 153 | 654 | 636 |
| 999 | Microbial Genetics | 3 | 152 | 322 | 268 |
| 999 | Public opinion | 5 | 152 | 300 | 317 |