| 2 | Science | 1,118 | 97.2K | 341 | 314 |
| 12 | United States | 1,715 | 41.9K | 52 | 60 |
| 13 | Environment | 382 | 41.8K | 203 | 103 |
| 14 | Natural history | 276 | 39.0K | 236 | 379 |
| 16 | Quantum Gravity | 490 | 30.0K | 107 | 64 |
| 17 | Research | 856 | 29.6K | 305 | 326 |
| 18 | Spectrum analysis | 556 | 28.6K | 174 | 218 |
| 20 | Pollution | 568 | 26.7K | 140 | 193 |
| 22 | management | 250 | 22.2K | 146 | 110 |
| 24 | Environmental Health | 429 | 20.2K | 183 | 202 |
| 26 | Cell Biology | 277 | 19.5K | 346 | 418 |
| 27 | Obesity | 372 | 19.4K | 36 | 33 |
| 30 | Condensed Matter | 615 | 18.7K | 203 | 238 |
| 33 | Behavior | 426 | 17.9K | 88 | 108 |
| 34 | Materials | 442 | 17.8K | 436 | 434 |
| 36 | Virology | 308 | 17.2K | 188 | 333 |
| 40 | Statistical physics | 500 | 16.3K | 146 | 125 |
| 43 | marketing | 143 | 16.0K | 72 | 50 |
| 44 | environmental pollution | 408 | 15.7K | 113 | 146 |
| 47 | Neurophysiology | 241 | 13.8K | 233 | 265 |
| 48 | biological evolution | 192 | 13.7K | 107 | 128 |
| 50 | Psychophysiology | 414 | 13.5K | 122 | 188 |
| 51 | Cancer | 168 | 13.2K | 486 | 315 |
| 52 | human behavior | 234 | 12.9K | 90 | 107 |
| 53 | Molecular Genetics | 210 | 12.9K | 56 | 59 |
| 54 | free radicals | 156 | 12.8K | 37 | 21 |
| 58 | Developmental Disabilities | 187 | 11.7K | 19 | 16 |
| 59 | Diabetes | 129 | 11.5K | 259 | 179 |
| 61 | Diet | 198 | 11.4K | 103 | 88 |
| 63 | behavior modification | 212 | 11.1K | 6 | 6 |
| 66 | Metabolic diseases | 143 | 11.0K | 264 | 226 |
| 69 | Diabetes mellitus | 111 | 10.7K | 268 | 184 |
| 70 | Brain | 247 | 10.5K | 174 | 194 |
| 74 | Molecular evolution | 162 | 10.0K | 51 | 63 |
| 75 | Geochemistry | 182 | 9.9K | 194 | 152 |
| 76 | Business | 112 | 9.4K | 117 | 97 |
| 79 | polymerization | 234 | 9.1K | 374 | 279 |
| 81 | Water pollution | 177 | 9.0K | 120 | 135 |
| 82 | Social behavior | 147 | 8.9K | 28 | 29 |
| 85 | Birds | 349 | 8.4K | 16 | 15 |
| 86 | sanitation | 106 | 8.4K | 144 | 160 |
| 87 | Educational Psychology | 158 | 8.3K | 65 | 42 |
| 88 | Water | 140 | 8.0K | 174 | 192 |
| 89 | Entomology | 348 | 8.0K | 66 | 54 |
| 91 | Biocompatible Materials | 121 | 7.8K | 563 | 461 |
| 93 | Memory | 207 | 7.6K | 98 | 108 |
| 94 | Earth Sciences | 125 | 7.6K | 347 | 229 |
| 97 | Cell differentiation | 51 | 7.4K | 410 | 245 |
| 99 | Transportation | 297 | 7.3K | 43 | 61 |
| 100 | Estuaries | 104 | 7.2K | 1 | 2 |
| 101 | Mathematical Physics | 199 | 7.2K | 206 | 196 |
| 102 | Environmental monitoring | 160 | 7.2K | 234 | 237 |
| 103 | Sports | 239 | 7.1K | 54 | 67 |
| 104 | Molecular ecology | 89 | 7.0K | 81 | 78 |
| 105 | Evolution | 118 | 7.0K | 169 | 200 |
| 109 | behavior therapy | 190 | 6.7K | 17 | 29 |
| 110 | Phylogeny | 108 | 6.6K | 25 | 20 |
| 111 | School Psychology | 112 | 6.4K | 19 | 7 |
| 114 | Composite Materials | 128 | 6.1K | 267 | 234 |
| 115 | Cell death | 9 | 6.1K | 883 | 184 |
| 116 | Nanostructured Materials | 140 | 6.1K | 363 | 318 |
| 117 | Health Education | 177 | 5.9K | 87 | 67 |
| 118 | Cardiovascular system | 77 | 5.9K | 282 | 277 |
| 119 | Mycology | 144 | 5.9K | 79 | 69 |
| 120 | Ocean Engineering | 161 | 5.9K | 78 | 48 |
| 121 | Child | 176 | 5.8K | 161 | 127 |
| 122 | Bacteriology | 103 | 5.8K | 208 | 238 |
| 123 | Autism | 121 | 5.7K | 18 | 18 |
| 128 | environmental protection | 114 | 5.5K | 252 | 208 |
| 129 | Ornithology | 227 | 5.4K | 16 | 17 |
| 130 | Population Genetics | 91 | 5.4K | 103 | 103 |
| 132 | Recombinant DNA | 60 | 5.3K | 138 | 33 |
| 133 | Plant Ecology | 75 | 5.3K | 211 | 139 |
| 134 | Attention | 176 | 5.3K | 101 | 113 |
| 135 | Planets | 120 | 5.2K | 263 | 275 |
| 136 | Meteorites | 69 | 5.2K | 182 | 149 |
| 137 | Child psychology | 118 | 5.2K | 152 | 188 |
| 138 | Roads | 260 | 5.2K | 20 | 21 |
| 139 | Environmental Chemistry | 120 | 5.2K | 96 | 223 |
| 140 | Colloids | 157 | 5.1K | 416 | 472 |
| 141 | Agronomy | 149 | 5.1K | 28 | 35 |
| 144 | viruses | 118 | 5.1K | 168 | 241 |
| 146 | commerce | 23 | 5.0K | 417 | 104 |
| 148 | Molecular cloning | 57 | 5.0K | 121 | 33 |
| 149 | Genetic recombination | 56 | 5.0K | 121 | 33 |
| 151 | Communication | 199 | 4.8K | 73 | 86 |
| 153 | Biogeochemistry | 66 | 4.8K | 146 | 116 |
| 154 | Aging | 166 | 4.8K | 252 | 298 |
| 156 | Perception | 169 | 4.8K | 138 | 172 |
| 160 | Fisheries | 168 | 4.7K | 87 | 93 |
| 162 | Visual Perception | 162 | 4.6K | 114 | 126 |
| 163 | nanoscience | 69 | 4.5K | 547 | 450 |
| 166 | Electrochemistry | 223 | 4.5K | 330 | 446 |
| 168 | Diagnostic microbiology | 47 | 4.4K | 238 | 194 |
| 169 | ecosystem | 86 | 4.3K | 71 | 104 |
| 170 | Exercise | 116 | 4.2K | 41 | 28 |
| 171 | psychotherapy | 57 | 4.2K | 232 | 145 |
| 172 | Microelectronics | 130 | 4.1K | 139 | 258 |
| 174 | Hypertension | 78 | 4.1K | 268 | 332 |
| 175 | Clinical Chemistry | 82 | 4.0K | 473 | 366 |
| 176 | Biodiversity | 77 | 4.0K | 243 | 238 |
| 177 | recreation | 128 | 4.0K | 15 | 4 |
| 178 | Learning | 56 | 4.0K | 188 | 129 |
| 179 | Child Development | 100 | 4.0K | 231 | 242 |
| 181 | Vocational guidance | 90 | 3.9K | 80 | 67 |
| 182 | Technology | 123 | 3.9K | 440 | 380 |
| 184 | Microorganisms | 53 | 3.9K | 134 | 137 |
| 190 | Genomics | 113 | 3.7K | 359 | 431 |
| 191 | Sleep Disorders | 64 | 3.7K | 303 | 170 |
| 192 | Sleep | 63 | 3.7K | 304 | 179 |
| 193 | alcoholism | 170 | 3.7K | 92 | 160 |
| 194 | Sports Medicine | 162 | 3.6K | 174 | 263 |
| 195 | Food | 80 | 3.6K | 421 | 325 |
| 197 | Mental Disorders | 121 | 3.5K | 384 | 610 |
| 199 | Decision making | 71 | 3.5K | 105 | 92 |
| 200 | pain | 97 | 3.5K | 124 | 210 |
| 201 | Wetland ecology | 132 | 3.5K | 2 | 7 |
| 202 | Homeostasis | 11 | 3.4K | 234 | 154 |
| 202 | Cell metabolism | 11 | 3.4K | 325 | 164 |
| 204 | Speech Disorders | 169 | 3.4K | 46 | 77 |
| 205 | Plastics | 52 | 3.4K | 213 | 48 |
| 206 | cell physiology | 42 | 3.4K | 342 | 273 |
| 207 | Developmental Biology | 62 | 3.4K | 454 | 504 |
| 208 | Nervous system | 78 | 3.4K | 394 | 483 |
| 208 | Virulence | 22 | 3.4K | 419 | 222 |
| 211 | miniaturization | 54 | 3.4K | 334 | 355 |
| 213 | Fungi | 22 | 3.3K | 343 | 104 |
| 214 | Information Science | 218 | 3.3K | 43 | 198 |
| 216 | Respiration | 81 | 3.2K | 169 | 187 |
| 217 | school psychologists | 39 | 3.2K | 25 | 8 |
| 218 | Intellectual disability | 110 | 3.2K | 37 | 45 |
| 219 | rehabilitation | 121 | 3.2K | 175 | 236 |
| 220 | Agriculture | 151 | 3.1K | 135 | 213 |
| 222 | Biomass Energy | 54 | 3.1K | 430 | 362 |
| 223 | nucleic acids | 72 | 3.1K | 288 | 518 |
| 224 | plasticity | 40 | 3.1K | 25 | 23 |
| 227 | Environmental pollutants | 84 | 3.1K | 187 | 181 |
| 228 | Sales management | 16 | 3.1K | 32 | 19 |
| 228 | selling | 16 | 3.1K | 32 | 19 |
| 231 | Substance Abuse | 144 | 3.0K | 86 | 133 |
| 232 | Drug delivery systems | 7 | 3.0K | 1144 | 147 |
| 235 | pollutants | 76 | 3.0K | 160 | 158 |
| 236 | Schizophrenia | 57 | 3.0K | 186 | 164 |
| 237 | actuators | 125 | 3.0K | 108 | 220 |
| 237 | transducers | 125 | 3.0K | 108 | 220 |
| 239 | Psychopharmacology | 47 | 3.0K | 385 | 314 |
| 242 | Immunity | 31 | 2.9K | 728 | 749 |
| 243 | California | 119 | 2.9K | 13 | 16 |
| 244 | Animal Behavior | 65 | 2.9K | 350 | 366 |
| 246 | Reproduction | 86 | 2.9K | 359 | 349 |
| 247 | Physical Chemistry | 85 | 2.9K | 308 | 367 |
| 249 | Parasitology | 109 | 2.9K | 230 | 241 |
| 250 | Plant diseases | 95 | 2.8K | 250 | 223 |
| 251 | infection | 15 | 2.8K | 849 | 217 |
| 252 | Plant cells | 31 | 2.8K | 391 | 432 |
| 253 | gene mapping | 58 | 2.8K | 330 | 388 |
| 254 | Medical Physics | 177 | 2.8K | 111 | 221 |
| 255 | Paleogeography | 61 | 2.8K | 71 | 72 |
| 257 | Thrombosis | 30 | 2.8K | 310 | 124 |
| 258 | Gerontology | 142 | 2.8K | 169 | 191 |
| 259 | vascular diseases | 28 | 2.8K | 172 | 81 |
| 260 | Analytical Biochemistry | 89 | 2.8K | 85 | 144 |
| 261 | Process Control | 47 | 2.7K | 54 | 64 |
| 263 | Aquaculture | 107 | 2.7K | 130 | 166 |
| 264 | Molecules | 77 | 2.7K | 192 | 152 |
| 265 | Lipids | 26 | 2.7K | 365 | 156 |
| 266 | Wetland conservation | 97 | 2.7K | 3 | 8 |
| 266 | Wetlands | 97 | 2.7K | 3 | 8 |
| 269 | Infections | 9 | 2.6K | 809 | 179 |
| 271 | Adolescent | 116 | 2.6K | 191 | 232 |
| 272 | Biodiversity conservation | 49 | 2.6K | 360 | 561 |
| 274 | Speech | 164 | 2.6K | 31 | 80 |
| 275 | Combustion | 71 | 2.6K | 154 | 143 |
| 278 | preventive medicine | 52 | 2.5K | 210 | 211 |
| 279 | drug addiction | 113 | 2.5K | 93 | 184 |
| 281 | Quality Control | 64 | 2.5K | 120 | 90 |
| 284 | Production Management | 43 | 2.4K | 163 | 187 |
| 285 | plant communities | 47 | 2.4K | 173 | 199 |
| 286 | Cognition | 87 | 2.4K | 229 | 319 |
| 287 | Fracture mechanics | 79 | 2.4K | 132 | 122 |
| 288 | Entrepreneurship | 27 | 2.4K | 174 | 174 |
| 289 | Light | 31 | 2.4K | 194 | 259 |
| 290 | Teaching | 82 | 2.3K | 151 | 154 |
| 292 | soil microbiology | 45 | 2.3K | 282 | 326 |
| 295 | Smoking | 83 | 2.3K | 71 | 102 |
| 296 | Combinatorial analysis | 140 | 2.3K | 35 | 31 |
| 299 | Liver diseases | 42 | 2.3K | 405 | 519 |
| 301 | finance | 117 | 2.2K | 162 | 282 |
| 302 | Forest Management | 78 | 2.2K | 99 | 137 |
| 303 | concrete | 17 | 2.2K | 361 | 171 |
| 306 | Neurons | 13 | 2.2K | 377 | 440 |
| 307 | arthritis | 32 | 2.2K | 418 | 357 |
| 308 | Water quality management | 72 | 2.2K | 130 | 116 |
| 309 | United Kingdom | 55 | 2.1K | 287 | 332 |
| 310 | Electrophoresis | 68 | 2.1K | 156 | 151 |
| 312 | Breeding | 67 | 2.1K | 151 | 173 |
| 313 | Sedimentology | 31 | 2.1K | 72 | 41 |
| 314 | organization | 20 | 2.1K | 230 | 182 |
| 315 | Plant physiology | 45 | 2.0K | 512 | 563 |
| 317 | Stem cells | 36 | 2.0K | 436 | 342 |
| 318 | Food Microbiology | 20 | 2.0K | 423 | 209 |
| 319 | Small Business | 19 | 2.0K | 190 | 167 |
| 321 | heredity | 54 | 2.0K | 48 | 39 |
| 322 | Cosmochemistry | 46 | 2.0K | 83 | 89 |
| 323 | Business Ethics | 16 | 2.0K | 317 | 144 |
| 324 | Ethology | 37 | 2.0K | 402 | 401 |
| 325 | Control Theory | 67 | 2.0K | 227 | 178 |
| 326 | feeding behavior | 40 | 2.0K | 112 | 70 |
| 329 | fuel cells | 22 | 2.0K | 440 | 292 |
| 331 | Health | 87 | 2.0K | 262 | 356 |
| 332 | Image Processing | 44 | 1.9K | 355 | 285 |
| 333 | behavioral medicine | 53 | 1.9K | 176 | 250 |
| 334 | Operations Research | 60 | 1.9K | 381 | 362 |
| 335 | Oncogenes | 26 | 1.9K | 435 | 450 |
| 336 | Chromosome mapping | 49 | 1.9K | 333 | 406 |
| 336 | genome | 26 | 1.9K | 498 | 568 |
| 340 | Marine Pollution | 53 | 1.8K | 99 | 153 |
| 340 | enzymes | 46 | 1.8K | 226 | 211 |
| 344 | Hearing | 91 | 1.8K | 52 | 72 |
| 345 | pheromones | 28 | 1.8K | 86 | 50 |
| 346 | Metallurgy | 60 | 1.8K | 493 | 475 |
| 347 | Muscles | 33 | 1.8K | 164 | 113 |
| 350 | Forest Ecology | 42 | 1.8K | 182 | 172 |
| 351 | Mental illness | 77 | 1.8K | 305 | 633 |
| 352 | elasticity | 10 | 1.8K | 89 | 11 |
| 353 | System analysis | 85 | 1.8K | 218 | 282 |
| 354 | Immune system | 8 | 1.7K | 805 | 520 |
| 356 | water supply | 50 | 1.7K | 168 | 213 |
| 357 | Nanoparticles | 25 | 1.7K | 594 | 325 |
| 359 | Photonics | 21 | 1.7K | 710 | 476 |
| 360 | Continental shelf | 40 | 1.7K | 44 | 52 |
| 361 | Eating Disorders | 46 | 1.7K | 136 | 129 |
| 361 | Sedimentary rocks | 20 | 1.7K | 121 | 31 |
| 364 | plant molecular biology | 33 | 1.7K | 453 | 589 |
| 365 | Insects | 53 | 1.7K | 216 | 177 |
| 366 | Signal Processing | 44 | 1.7K | 359 | 212 |
| 368 | Feeding and Eating Disorders | 45 | 1.7K | 132 | 127 |
| 369 | Geographic information systems | 53 | 1.6K | 68 | 36 |
| 370 | personality | 70 | 1.6K | 200 | 401 |
| 371 | Mass Spectrometry | 71 | 1.6K | 112 | 194 |
| 373 | Mortgages | 49 | 1.6K | 9 | 5 |
| 374 | drug therapy | 52 | 1.6K | 602 | 607 |
| 376 | disabilities | 73 | 1.6K | 36 | 59 |
| 378 | Wildlife conservation | 31 | 1.6K | 305 | 292 |
| 380 | Parasitic Diseases | 51 | 1.6K | 373 | 428 |
| 381 | Genetic epidemiology | 42 | 1.6K | 40 | 40 |
| 382 | Invertebrates | 60 | 1.6K | 29 | 42 |
| 383 | Appetite | 28 | 1.6K | 124 | 82 |
| 384 | food technology | 68 | 1.6K | 385 | 503 |
| 385 | Plants | 45 | 1.6K | 482 | 648 |
| 386 | Metals | 54 | 1.5K | 495 | 508 |
| 387 | Bioorganic chemistry | 47 | 1.5K | 731 | 761 |
| 388 | Environmental Management | 48 | 1.5K | 557 | 758 |
| 389 | Emergency Medicine | 67 | 1.5K | 237 | 230 |
| 390 | vibration | 46 | 1.5K | 176 | 159 |
| 391 | counseling | 76 | 1.5K | 157 | 213 |
| 394 | fertility | 38 | 1.5K | 320 | 320 |
| 395 | Engineering Geology | 59 | 1.5K | 179 | 264 |
| 396 | Parenteral nutrition | 33 | 1.5K | 231 | 281 |
| 398 | Cement | 16 | 1.5K | 203 | 159 |
| 399 | health services | 40 | 1.4K | 186 | 128 |
| 400 | International Finance | 41 | 1.4K | 282 | 218 |
| 403 | Organic Geochemistry | 26 | 1.4K | 63 | 72 |
| 404 | proteins | 58 | 1.4K | 380 | 522 |
| 405 | Biogeochemical cycles | 11 | 1.4K | 242 | 174 |
| 406 | Coastal zone management | 40 | 1.4K | 37 | 35 |
| 407 | Public Administration | 73 | 1.4K | 154 | 188 |
| 408 | Advertising | 35 | 1.4K | 25 | 36 |
| 409 | Music | 73 | 1.4K | 41 | 39 |
| 410 | Optical materials | 28 | 1.4K | 970 | 843 |
| 411 | Infertility | 35 | 1.4K | 332 | 328 |
| 412 | Personality Assessment | 46 | 1.4K | 48 | 102 |
| 413 | Morphology | 41 | 1.4K | 96 | 74 |
| 415 | mathematical analysis | 104 | 1.4K | 291 | 326 |
| 416 | families | 67 | 1.3K | 67 | 84 |
| 418 | Recycling | 18 | 1.3K | 130 | 116 |
| 419 | Cellulose | 16 | 1.3K | 160 | 87 |
| 420 | Social work | 110 | 1.3K | 116 | 170 |
| 421 | Biomechanics | 38 | 1.3K | 291 | 310 |
| 421 | Molecular structure | 28 | 1.3K | 762 | 632 |
| 423 | Tropical Medicine | 40 | 1.3K | 349 | 242 |
| 424 | Health promotion | 50 | 1.3K | 248 | 343 |
| 425 | Hemodynamics | 16 | 1.3K | 283 | 209 |
| 426 | innovation | 16 | 1.3K | 137 | 186 |
| 428 | mammals | 62 | 1.3K | 85 | 115 |
| 429 | hazard mitigation | 44 | 1.3K | 48 | 81 |
| 430 | Organizational Behavior | 24 | 1.3K | 125 | 147 |
| 430 | Cognitive Science | 38 | 1.3K | 267 | 382 |
| 432 | Algae | 40 | 1.3K | 119 | 144 |
| 433 | Neuromuscular diseases | 23 | 1.3K | 192 | 130 |
| 434 | Europe | 55 | 1.3K | 735 | 691 |
| 436 | Bioinformatics | 19 | 1.2K | 886 | 699 |
| 437 | Combinatorial chemistry | 26 | 1.2K | 169 | 189 |
| 439 | Spine | 21 | 1.2K | 263 | 212 |
| 440 | natural disasters | 45 | 1.2K | 100 | 173 |
| 441 | Soil biology | 19 | 1.2K | 367 | 348 |
| 442 | Nuclear Chemistry | 40 | 1.2K | 212 | 101 |
| 443 | Growth | 25 | 1.2K | 454 | 580 |
| 445 | Learning disabilities | 34 | 1.2K | 161 | 121 |
| 448 | Asia | 39 | 1.2K | 554 | 266 |
| 449 | Matroids | 52 | 1.2K | 8 | 13 |
| 452 | Petrology | 19 | 1.2K | 441 | 328 |
| 453 | Petroleum Geology | 25 | 1.2K | 128 | 93 |
| 454 | Natural resources | 35 | 1.2K | 104 | 139 |
| 456 | older people | 113 | 1.2K | 154 | 199 |
| 457 | Building | 41 | 1.2K | 97 | 44 |
| 458 | Developing countries | 32 | 1.2K | 577 | 472 |
| 460 | Therapeutics | 29 | 1.2K | 591 | 647 |
| 461 | energy resources | 22 | 1.2K | 402 | 495 |
| 462 | Climate change | 21 | 1.2K | 416 | 799 |
| 462 | Fish diseases | 30 | 1.2K | 16 | 13 |
| 464 | Drug design | 21 | 1.1K | 543 | 344 |
| 466 | Parasites | 35 | 1.1K | 347 | 288 |
| 467 | Photochemistry | 30 | 1.1K | 410 | 333 |
| 467 | Family | 66 | 1.1K | 98 | 174 |
| 470 | Chronic diseases | 23 | 1.1K | 217 | 290 |
| 471 | medical education | 46 | 1.1K | 409 | 398 |
| 472 | Eutrophication | 19 | 1.1K | 438 | 804 |
| 473 | Conservation Biology | 31 | 1.1K | 247 | 340 |
| 474 | Solid State Chemistry | 47 | 1.1K | 605 | 575 |
| 475 | economic policy | 58 | 1.1K | 399 | 378 |
| 477 | Seaweed | 35 | 1.1K | 80 | 122 |
| 478 | Veterinary Immunology | 54 | 1.1K | 37 | 53 |
| 479 | Quantum theory | 51 | 1.1K | 84 | 104 |
| 480 | Hormones | 30 | 1.1K | 371 | 406 |
| 481 | Population | 27 | 1.1K | 232 | 149 |
| 482 | mass transfer | 43 | 1.1K | 304 | 407 |
| 483 | Transplantation | 17 | 1.1K | 654 | 527 |
| 484 | Hazardous waste | 41 | 1.1K | 56 | 195 |
| 485 | industrial waste | 62 | 1.1K | 15 | 186 |
| 486 | Telecommunication | 30 | 1.1K | 623 | 323 |
| 487 | Animal ecology | 36 | 1.1K | 290 | 330 |
| 488 | Mental Health Services | 43 | 1.1K | 223 | 208 |
| 489 | Child welfare | 59 | 1.1K | 119 | 170 |
| 490 | Strategic planning | 14 | 1.1K | 231 | 102 |
| 491 | Anxiety | 19 | 1.1K | 164 | 191 |
| 492 | Highway Engineering | 35 | 1.1K | 41 | 26 |
| 495 | Economic planning | 22 | 1.0K | 56 | 35 |
| 496 | organizational effectiveness | 37 | 1.0K | 17 | 27 |
| 497 | Anxiety Disorders | 18 | 1.0K | 171 | 194 |
| 501 | Labor Economics | 39 | 1.0K | 28 | 69 |
| 502 | Antioxidants | 23 | 1.0K | 127 | 269 |
| 503 | Food Security | 2 | 999 | 255 | 17 |
| 504 | disease vectors | 26 | 997 | 217 | 174 |
| 505 | Oral communication | 76 | 995 | 4 | 32 |
| 506 | Leadership | 12 | 994 | 136 | 130 |
| 507 | Documentation | 118 | 991 | 5 | 44 |
| 508 | Ethnology | 39 | 988 | 262 | 150 |
| 509 | Mental Health | 44 | 980 | 300 | 302 |
| 511 | Adolescent Psychology | 28 | 959 | 197 | 211 |
| 512 | Atmospheric Physics | 24 | 956 | 674 | 662 |
| 512 | Fishery management | 49 | 956 | 117 | 156 |
| 517 | adolescence | 40 | 948 | 147 | 251 |
| 518 | Membranes | 27 | 941 | 594 | 714 |
| 520 | urban population | 21 | 927 | 36 | 75 |
| 521 | Hydrodynamics | 24 | 923 | 126 | 121 |
| 523 | Semiconductors | 42 | 920 | 438 | 348 |
| 524 | Human Capital | 34 | 917 | 8 | 14 |
| 525 | Marine resources | 32 | 915 | 65 | 75 |
| 526 | Regional Development | 14 | 913 | 59 | 19 |
| 526 | pain management | 17 | 913 | 200 | 103 |
| 526 | Development planning | 14 | 913 | 38 | 16 |
| 529 | DNA polymerases | 9 | 911 | 253 | 305 |
| 530 | Communication in medicine | 26 | 909 | 115 | 90 |
| 530 | Semiconductor industry | 17 | 909 | 201 | 50 |
| 532 | Aquatic animals | 30 | 903 | 16 | 13 |
| 532 | Auditing | 27 | 903 | 28 | 45 |
| 536 | movement | 13 | 896 | 82 | 38 |
| 537 | Restoration Ecology | 23 | 893 | 63 | 65 |
| 538 | China | 45 | 890 | 622 | 637 |
| 539 | crime | 39 | 887 | 109 | 119 |
| 541 | North America | 34 | 886 | 157 | 111 |
| 542 | Tourism | 16 | 882 | 651 | 518 |
| 542 | micromechanics | 29 | 882 | 83 | 91 |
| 544 | Host-parasite interactions | 16 | 874 | 584 | 779 |
| 546 | Australia | 24 | 872 | 607 | 326 |
| 547 | Carbon | 12 | 868 | 719 | 558 |
| 548 | Quantitative Research | 31 | 864 | 21 | 45 |
| 549 | foreign exchange | 9 | 863 | 151 | 58 |
| 550 | Magnetic Materials | 15 | 859 | 704 | 393 |
| 551 | natural products | 21 | 858 | 608 | 407 |
| 551 | city planning | 43 | 858 | 289 | 347 |
| 554 | protein | 37 | 857 | 265 | 407 |
| 555 | chronic disease | 24 | 854 | 65 | 64 |
| 557 | Pesticides | 30 | 846 | 91 | 68 |
| 557 | natural gas | 50 | 846 | 42 | 73 |
| 560 | Cytogenetics | 14 | 843 | 877 | 880 |
| 560 | Chemical analysis | 29 | 843 | 264 | 221 |
| 560 | probabilities | 51 | 843 | 243 | 196 |
| 564 | consumer behavior | 19 | 839 | 111 | 131 |
| 565 | environmental exposure | 21 | 835 | 635 | 558 |
| 566 | Post-traumatic stress disorder | 22 | 831 | 219 | 228 |
| 567 | Plant breeding | 36 | 828 | 142 | 161 |
| 568 | language | 42 | 820 | 106 | 196 |
| 569 | baking | 10 | 819 | 92 | 33 |
| 570 | psychopathology | 13 | 816 | 131 | 110 |
| 571 | radioactive waste | 26 | 815 | 82 | 256 |
| 572 | Energy Harvesting | 4 | 812 | 435 | 230 |
| 573 | industrial relations | 43 | 811 | 119 | 128 |
| 574 | Medical Anthropology | 23 | 808 | 392 | 513 |
| 575 | Functional Genomics | 15 | 807 | 75 | 72 |
| 576 | Smart Materials | 23 | 798 | 186 | 167 |
| 577 | histological techniques | 36 | 795 | 82 | 233 |
| 578 | Family Therapy | 43 | 794 | 113 | 130 |
| 578 | Groundwater | 35 | 794 | 114 | 123 |
| 580 | Coral reef biology | 14 | 786 | 32 | 33 |
| 582 | government | 41 | 784 | 106 | 128 |
| 584 | cell membrane | 19 | 780 | 232 | 221 |
| 586 | Youth | 29 | 773 | 126 | 186 |
| 587 | Consumer education | 12 | 772 | 75 | 48 |
| 589 | forest policy | 37 | 768 | 46 | 51 |
| 590 | Energy metabolism | 18 | 763 | 256 | 254 |
| 591 | wetland management | 35 | 757 | 4 | 7 |
| 592 | Lightweight concrete | 3 | 756 | 433 | 158 |
| 592 | Inflammation | 24 | 756 | 323 | 419 |
| 594 | Marine Meteorology | 17 | 755 | 169 | 164 |
| 594 | Renewable Energy Sources | 17 | 755 | 1109 | 1473 |
| 596 | Educational Technology | 31 | 754 | 284 | 294 |
| 598 | Allergy | 23 | 751 | 509 | 896 |
| 599 | Emotions | 18 | 750 | 175 | 218 |
| 600 | Vaccines | 25 | 747 | 695 | 721 |
| 602 | Risk Management | 20 | 742 | 150 | 137 |
| 602 | Elderly | 93 | 742 | 141 | 140 |
| 604 | peace | 23 | 741 | 110 | 128 |
| 605 | Enteral nutrition | 13 | 739 | 420 | 357 |
| 606 | Social Networks | 10 | 738 | 79 | 62 |
| 608 | Politics | 41 | 735 | 79 | 98 |
| 610 | Quality of life | 13 | 733 | 681 | 494 |
| 612 | global environmental change | 12 | 731 | 377 | 351 |
| 614 | Nonlinear Dynamics | 37 | 727 | 736 | 863 |
| 617 | Organizational learning | 20 | 723 | 43 | 23 |
| 618 | Library Science | 81 | 722 | 82 | 75 |
| 619 | Freeze-Drying | 36 | 720 | 43 | 49 |
| 619 | Hypothermia | 36 | 720 | 43 | 49 |
| 619 | Freeze Drying | 36 | 720 | 43 | 49 |
| 622 | Chromosomes | 34 | 712 | 181 | 371 |
| 624 | Computer-Aided Design | 34 | 701 | 187 | 274 |
| 625 | Patient education | 8 | 700 | 407 | 224 |
| 626 | Heart Failure | 6 | 693 | 345 | 182 |
| 628 | food contamination | 23 | 691 | 212 | 139 |
| 628 | Radiation effects | 20 | 691 | 103 | 140 |
| 630 | Bioinorganic chemistry | 36 | 690 | 316 | 432 |
| 630 | Bioelectronics | 8 | 690 | 696 | 571 |
| 632 | Crisis management | 13 | 689 | 13 | 8 |
| 633 | Microcirculation | 28 | 681 | 48 | 91 |
| 634 | Radiobiology | 37 | 671 | 615 | 709 |
| 636 | Cognitive Therapy | 27 | 666 | 121 | 147 |
| 637 | sustainability | 10 | 665 | 348 | 327 |
| 637 | Microscopy | 40 | 665 | 293 | 389 |
| 640 | drugs | 29 | 663 | 687 | 802 |
| 642 | Biometrics | 44 | 658 | 209 | 379 |
| 643 | health behavior | 26 | 656 | 273 | 317 |
| 644 | Soil ecology | 12 | 655 | 338 | 288 |
| 645 | Venture Capital | 5 | 654 | 199 | 211 |
| 646 | Nutrition physiology | 15 | 653 | 250 | 232 |
| 647 | health planning | 23 | 650 | 697 | 540 |
| 648 | Atmospheric Chemistry | 11 | 647 | 612 | 591 |
| 649 | Molecular Spectroscopy | 22 | 645 | 605 | 483 |
| 649 | eugenics | 32 | 645 | 81 | 120 |
| 653 | Educational evaluation | 12 | 643 | 40 | 17 |
| 654 | Women's health | 32 | 641 | 252 | 326 |
| 655 | environmental indicators | 16 | 637 | 349 | 357 |
| 656 | sedimentary basins | 17 | 634 | 34 | 38 |
| 656 | mutation | 30 | 634 | 103 | 252 |
| 656 | Hematopoietic stem cell transplantation | 15 | 634 | 92 | 110 |
| 660 | Socialization | 23 | 628 | 104 | 178 |
| 660 | clay | 24 | 628 | 131 | 232 |
| 662 | Physical fitness | 23 | 623 | 284 | 346 |
| 663 | Food additives | 20 | 621 | 374 | 442 |
| 664 | Chromatographic analysis | 27 | 615 | 553 | 524 |
| 664 | Oxidation-reduction | 14 | 615 | 317 | 510 |
| 667 | Diagnostic Imaging | 25 | 607 | 716 | 856 |
| 668 | embryonic development | 19 | 604 | 84 | 102 |
| 669 | child abuse | 15 | 602 | 343 | 342 |
| 671 | Genetic therapy | 18 | 601 | 534 | 674 |
| 673 | Ecosystem management | 15 | 598 | 240 | 231 |
| 674 | nuclear astrophysics | 13 | 594 | 194 | 171 |
| 675 | computer networks | 39 | 588 | 488 | 768 |
| 676 | Emerging infectious diseases | 9 | 580 | 120 | 67 |
| 677 | economic conditions | 7 | 577 | 418 | 171 |
| 678 | Financial management | 13 | 576 | 171 | 180 |
| 678 | mutagens | 17 | 576 | 303 | 447 |
| 680 | Industrial Microbiology | 15 | 575 | 876 | 956 |
| 680 | Chromatography | 21 | 575 | 575 | 500 |
| 680 | Risk | 11 | 575 | 260 | 195 |
| 684 | Economic Thought | 6 | 574 | 194 | 149 |
| 685 | motor skills | 19 | 573 | 28 | 43 |
| 687 | Disease | 6 | 569 | 205 | 633 |
| 688 | Depression | 8 | 563 | 202 | 210 |
| 688 | structural stability | 18 | 563 | 111 | 108 |
| 688 | Consciousness | 35 | 563 | 24 | 114 |
| 691 | Sarcopenia | 10 | 559 | 131 | 163 |
| 692 | biological invasions | 21 | 557 | 105 | 174 |
| 693 | Neuroimmunology | 14 | 553 | 300 | 359 |
| 694 | Labor Unions | 34 | 552 | 9 | 3 |
| 694 | coal | 25 | 552 | 469 | 756 |
| 696 | Cerebral cortex | 11 | 546 | 568 | 566 |
| 697 | Geomagnetism | 16 | 543 | 327 | 247 |
| 700 | energy conservation | 22 | 541 | 558 | 943 |
| 703 | Calculus of Variations | 19 | 539 | 131 | 69 |
| 703 | glycoproteins | 8 | 539 | 267 | 194 |
| 703 | Glycoconjugates | 8 | 539 | 267 | 194 |
| 703 | glycolipids | 8 | 539 | 267 | 194 |
| 707 | Textile industry | 32 | 535 | 115 | 83 |
| 708 | Carbohydrates | 9 | 531 | 219 | 166 |
| 709 | Oligosaccharide | 7 | 526 | 177 | 138 |
| 709 | violence | 25 | 526 | 255 | 346 |
| 711 | Digestive system diseases | 21 | 525 | 350 | 402 |
| 712 | speech therapy | 36 | 522 | 52 | 103 |
| 715 | Gene expression regulation | 18 | 519 | 356 | 577 |
| 715 | DNA repair | 15 | 519 | 88 | 99 |
| 717 | gene therapy | 14 | 517 | 572 | 705 |
| 717 | Crystallography | 108 | 517 | 111 | 409 |
| 722 | Neurolinguistics | 22 | 513 | 82 | 173 |
| 723 | Climate | 14 | 512 | 198 | 213 |
| 724 | construction | 5 | 511 | 133 | 42 |
| 725 | consumers | 23 | 508 | 33 | 93 |
| 725 | diseases | 4 | 508 | 301 | 679 |
| 727 | Personality Disorders | 9 | 507 | 131 | 108 |
| 728 | Stochastic Processes | 25 | 506 | 177 | 154 |
| 728 | irrigation | 33 | 506 | 40 | 68 |
| 730 | Mechanics | 30 | 504 | 286 | 341 |
| 730 | internet | 27 | 504 | 242 | 303 |
| 733 | language therapy | 31 | 501 | 10 | 30 |
| 734 | atmosphere | 10 | 498 | 417 | 275 |
| 735 | biopolymers | 18 | 495 | 491 | 534 |
| 736 | world | 15 | 494 | 271 | 421 |
| 737 | biological factors | 15 | 493 | 884 | 813 |
| 738 | race relations | 14 | 491 | 214 | 124 |
| 739 | population policy | 15 | 489 | 31 | 22 |
| 739 | Birth control | 8 | 489 | 248 | 156 |
| 741 | ethnic groups | 10 | 487 | 129 | 52 |
| 743 | Real Estate Investment | 17 | 478 | 35 | 23 |
| 744 | emergency management | 27 | 477 | 94 | 192 |
| 744 | Genetic regulation | 15 | 477 | 529 | 843 |
| 746 | Soil fertility | 8 | 474 | 188 | 162 |
| 748 | Human biology | 31 | 471 | 91 | 155 |
| 749 | DNA | 19 | 470 | 100 | 111 |
| 750 | drug development | 12 | 469 | 510 | 927 |
| 751 | Fuzzy systems | 6 | 468 | 1321 | 344 |
| 753 | Wildlife management | 46 | 465 | 92 | 186 |
| 754 | drainage | 31 | 464 | 34 | 35 |
| 756 | migration policy | 6 | 462 | 128 | 63 |
| 757 | role | 21 | 459 | 77 | 176 |
| 758 | ethanol | 29 | 457 | 71 | 158 |
| 759 | motivation | 12 | 456 | 107 | 127 |
| 760 | Plant genetic engineering | 13 | 452 | 427 | 537 |
| 762 | immigration | 5 | 447 | 136 | 64 |
| 762 | Asylum seeker | 5 | 447 | 113 | 64 |
| 764 | vitamin C | 11 | 445 | 118 | 149 |
| 764 | vitamin E | 11 | 445 | 118 | 149 |
| 767 | Psychosomatic Medicine | 23 | 442 | 262 | 476 |
| 769 | Atomic spectroscopy | 18 | 441 | 435 | 416 |
| 770 | carcinogens | 16 | 440 | 390 | 592 |
| 772 | Social Change | 8 | 438 | 559 | 534 |
| 772 | International security | 14 | 438 | 63 | 113 |
| 772 | Medical innovations | 5 | 438 | 999 | 1054 |
| 777 | Chemical Oceanography | 12 | 433 | 137 | 195 |
| 778 | Nanostructures | 15 | 432 | 1051 | 1221 |
| 779 | freshwater biology | 14 | 431 | 387 | 397 |
| 779 | Genes | 19 | 431 | 357 | 447 |
| 781 | Primates | 14 | 429 | 330 | 285 |
| 782 | Phytotherapy | 13 | 427 | 297 | 279 |
| 783 | Health insurance | 4 | 426 | 467 | 226 |
| 784 | Reading | 31 | 424 | 95 | 194 |
| 785 | reasoning | 3 | 423 | 416 | 75 |
| 787 | Analytical Toxicology | 16 | 422 | 57 | 51 |
| 787 | Proteome | 13 | 422 | 622 | 771 |
| 789 | Scandinavia | 19 | 420 | 141 | 171 |
| 789 | cloning | 11 | 420 | 346 | 589 |
| 791 | air | 7 | 419 | 108 | 108 |
| 791 | Thorax | 16 | 419 | 179 | 269 |
| 793 | listening | 14 | 418 | 3 | 2 |
| 794 | Bones | 9 | 417 | 653 | 573 |
| 794 | Aquatic ecology | 23 | 417 | 225 | 381 |
| 798 | Immunopharmacology | 16 | 415 | 347 | 409 |
| 799 | Imagination | 28 | 414 | 5 | 4 |
| 800 | Consumer Protection | 9 | 412 | 61 | 50 |
| 802 | biological monitoring | 13 | 408 | 129 | 158 |
| 804 | Quantum Communication | 8 | 407 | 89 | 87 |
| 806 | Remote Sensing | 26 | 406 | 361 | 383 |
| 806 | Human evolution | 8 | 406 | 274 | 264 |
| 808 | human development | 25 | 405 | 182 | 392 |
| 809 | Carcinogenesis | 12 | 402 | 506 | 649 |
| 810 | Communication in marketing | 14 | 399 | 18 | 25 |
| 810 | sex crimes | 17 | 399 | 189 | 201 |
| 813 | DNS | 12 | 394 | 170 | 149 |
| 814 | peptides | 12 | 391 | 379 | 218 |
| 815 | Statistical Mechanics | 22 | 389 | 357 | 306 |
| 815 | drug evaluation | 10 | 389 | 764 | 521 |
| 817 | school sports | 6 | 387 | 76 | 29 |
| 818 | Immunopathology | 22 | 385 | 559 | 889 |
| 818 | international cooperation | 13 | 385 | 200 | 238 |
| 820 | Research Design | 26 | 384 | 322 | 663 |
| 821 | voice | 18 | 382 | 122 | 124 |
| 821 | cell interaction | 17 | 382 | 452 | 700 |
| 823 | Radiation | 31 | 381 | 624 | 986 |
| 823 | Entropy | 10 | 381 | 471 | 200 |
| 825 | Animal welfare | 8 | 380 | 148 | 82 |
| 825 | conflict management | 14 | 380 | 73 | 102 |
| 827 | biological clocks | 10 | 379 | 152 | 120 |
| 827 | circadian rhythm | 10 | 379 | 152 | 120 |
| 831 | Autoimmunity | 6 | 378 | 646 | 545 |
| 832 | Forecasting | 6 | 376 | 358 | 197 |
| 832 | Quantum Optics | 15 | 376 | 369 | 328 |
| 834 | income distribution | 3 | 374 | 151 | 70 |
| 835 | Exercise therapy | 5 | 373 | 279 | 49 |
| 835 | War and Society | 10 | 373 | 95 | 125 |
| 835 | warfare | 10 | 373 | 132 | 153 |
| 835 | Semigroups | 58 | 373 | 2 | 6 |
| 840 | Mixed methods research | 4 | 371 | 33 | 29 |
| 840 | Zoonoses | 12 | 371 | 87 | 102 |
| 842 | Soft Condensed Matter | 15 | 368 | 521 | 585 |
| 843 | Extreme environments | 4 | 366 | 207 | 88 |
| 844 | visualization | 52 | 365 | 215 | 303 |
| 845 | Human Resources | 21 | 364 | 63 | 211 |
| 846 | educational planning | 5 | 362 | 294 | 150 |
| 848 | Political Participation | 13 | 361 | 98 | 107 |
| 848 | election law | 14 | 361 | 66 | 79 |
| 848 | Elections | 13 | 361 | 125 | 93 |
| 848 | Voting | 13 | 361 | 62 | 76 |
| 852 | exobiology | 8 | 360 | 182 | 206 |
| 853 | Dynamics | 22 | 359 | 562 | 541 |
| 854 | Religion | 34 | 358 | 214 | 93 |
| 854 | Marriage | 29 | 358 | 78 | 182 |
| 856 | Crystal growth | 14 | 357 | 439 | 467 |
| 856 | Laser Spectroscopy | 13 | 357 | 380 | 308 |
| 859 | Plant tissue culture | 12 | 356 | 299 | 318 |
| 860 | clay minerals | 17 | 353 | 62 | 132 |
| 861 | Antigens | 18 | 351 | 355 | 522 |
| 862 | Ceramic materials | 8 | 350 | 893 | 567 |
| 862 | prostaglandins | 17 | 350 | 145 | 206 |
| 864 | Reproductive toxicology | 10 | 348 | 218 | 239 |
| 865 | Magnetohydrodynamics | 17 | 347 | 137 | 150 |
| 866 | Animal breeding | 18 | 344 | 315 | 368 |
| 867 | Physical organic chemistry | 15 | 342 | 638 | 660 |
| 867 | Plant cell culture | 8 | 342 | 381 | 326 |
| 871 | Happiness | 6 | 339 | 233 | 143 |
| 871 | data collection | 9 | 339 | 584 | 671 |
| 873 | Functional foods | 11 | 337 | 114 | 114 |
| 873 | cytokines | 14 | 337 | 590 | 822 |
| 875 | Memory disorders | 14 | 331 | 48 | 95 |
| 875 | Bacteria | 10 | 331 | 160 | 313 |
| 878 | Student Health Services | 17 | 329 | 68 | 95 |
| 881 | Suicide | 30 | 328 | 73 | 260 |
| 881 | Nitric oxide | 14 | 328 | 69 | 89 |
| 883 | correctional psychology | 8 | 327 | 124 | 106 |
| 884 | Geodynamics | 15 | 326 | 394 | 547 |
| 885 | Minerals | 12 | 325 | 261 | 267 |
| 887 | Land use | 16 | 322 | 377 | 608 |
| 888 | Development | 7 | 321 | 550 | 524 |
| 888 | Economic Assistance | 7 | 321 | 467 | 483 |
| 888 | Southern states | 52 | 321 | 18 | 46 |
| 891 | Computational Fluid Dynamics | 13 | 318 | 247 | 240 |
| 891 | Production Control | 10 | 318 | 73 | 109 |
| 891 | sports administration | 17 | 318 | 49 | 76 |
| 891 | bees | 17 | 318 | 100 | 174 |
| 897 | health services accessibility | 9 | 316 | 539 | 449 |
| 897 | Transport | 21 | 316 | 137 | 373 |
| 897 | Sea | 21 | 316 | 117 | 301 |
| 897 | Fishery resources | 21 | 316 | 137 | 326 |
| 897 | Social problems | 32 | 316 | 79 | 326 |
| 904 | Neuropharmacology | 7 | 314 | 376 | 324 |
| 905 | Neurovirology | 13 | 311 | 87 | 113 |
| 906 | Circadian rhythms | 5 | 310 | 203 | 138 |
| 906 | Adaptive control systems | 4 | 310 | 526 | 141 |
| 906 | biological rhythms | 5 | 310 | 286 | 149 |
| 909 | Quantum Chemistry | 55 | 309 | 62 | 289 |
| 909 | Steroids | 17 | 309 | 419 | 630 |
| 911 | African Americans | 20 | 306 | 25 | 33 |
| 913 | Organometallic chemistry | 13 | 303 | 1048 | 862 |
| 913 | Organometallic compounds | 8 | 303 | 846 | 650 |
| 916 | mycoses | 9 | 300 | 512 | 809 |
| 917 | Cognitive neuroscience | 14 | 298 | 479 | 808 |
| 917 | Glass | 10 | 298 | 702 | 722 |
| 917 | pottery | 10 | 298 | 678 | 713 |
| 921 | Geobiology | 17 | 297 | 140 | 242 |
| 921 | Computer Literacy | 12 | 297 | 44 | 77 |
| 923 | Number Theory | 38 | 296 | 125 | 123 |
| 924 | civil service | 5 | 294 | 304 | 169 |
| 925 | Pesticide residues | 7 | 293 | 20 | 36 |
| 926 | Primary health care | 14 | 292 | 884 | 945 |
| 929 | Performance | 14 | 291 | 77 | 156 |
| 930 | Microfabrication | 14 | 289 | 95 | 140 |
| 930 | Magnetic Resonance Spectroscopy | 18 | 289 | 549 | 660 |
| 933 | DNA methylation | 8 | 287 | 131 | 192 |
| 934 | Waste management | 21 | 286 | 368 | 591 |
| 935 | Cheminformatics | 4 | 285 | 322 | 302 |
| 936 | water resources | 11 | 282 | 71 | 61 |
| 936 | technical education | 5 | 282 | 397 | 144 |
| 938 | analysis | 12 | 281 | 150 | 228 |
| 938 | Social interaction | 14 | 281 | 88 | 152 |
| 938 | Algal blooms | 7 | 281 | 182 | 237 |
| 938 | Cyanobacteria | 7 | 281 | 182 | 237 |
| 938 | microalgae | 7 | 281 | 182 | 237 |
| 944 | Total Quality Management | 8 | 279 | 205 | 146 |
| 945 | Industrial Safety | 26 | 278 | 239 | 540 |
| 946 | Herbal medicine | 6 | 277 | 491 | 423 |
| 947 | Nonlinear systems | 15 | 276 | 194 | 234 |
| 949 | Cell communication | 11 | 273 | 364 | 530 |
| 951 | Travel | 15 | 271 | 288 | 320 |
| 953 | Simulation Methods | 24 | 268 | 124 | 326 |
| 954 | Behavioral research | 3 | 267 | 575 | 103 |
| 956 | ethnicity | 26 | 265 | 121 | 189 |
| 956 | Fish | 2 | 265 | 566 | 92 |
| 958 | Informatics | 7 | 264 | 601 | 550 |
| 959 | Antibodies | 12 | 263 | 333 | 461 |
| 960 | wood | 11 | 262 | 226 | 184 |
| 961 | calcification | 8 | 260 | 354 | 412 |
| 962 | Plant Biotechnology | 5 | 259 | 692 | 523 |
| 962 | Respiratory system | 8 | 259 | 397 | 430 |
| 962 | weather forecasting | 7 | 259 | 130 | 127 |
| 965 | Fluorescence | 12 | 258 | 102 | 90 |
| 966 | Neural circuitry | 7 | 257 | 1425 | 1309 |
| 966 | deviant behavior | 19 | 257 | 51 | 89 |
| 968 | Wireless Communication Systems | 24 | 256 | 654 | 929 |
| 968 | bioclimatology | 19 | 256 | 213 | 477 |
| 970 | Fertilizers | 12 | 254 | 154 | 203 |
| 970 | at-risk youth | 4 | 254 | 83 | 91 |
| 970 | Yeast | 9 | 254 | 217 | 298 |
| 973 | drug abuse | 17 | 253 | 232 | 337 |
| 974 | Freshwater invertebrates | 5 | 252 | 174 | 160 |
| 974 | Fisheries Law | 5 | 252 | 127 | 124 |
| 974 | Porous materials | 14 | 252 | 209 | 231 |
| 974 | fisheries management | 5 | 252 | 127 | 124 |
| 979 | complementary therapies | 10 | 251 | 1190 | 1144 |
| 979 | homosexuality | 13 | 251 | 122 | 197 |
| 981 | Criminal investigation | 5 | 249 | 149 | 50 |
| 982 | Plant Morphology | 4 | 247 | 575 | 240 |
| 982 | dietary supplements | 8 | 247 | 419 | 473 |
| 982 | Petroleum | 29 | 247 | 55 | 78 |
| 985 | Human-Computer Interaction | 11 | 245 | 755 | 847 |
| 985 | Business communication | 23 | 245 | 17 | 53 |
| 989 | nuclear magnetic resonance | 18 | 244 | 494 | 698 |
| 989 | child mental health | 15 | 244 | 145 | 208 |
| 991 | Feminism | 6 | 242 | 405 | 194 |
| 991 | Mutagenesis | 11 | 242 | 145 | 184 |
| 994 | ports | 19 | 238 | 28 | 78 |
| 995 | Photobiology | 6 | 237 | 1119 | 855 |
| 995 | shellfish | 10 | 237 | 64 | 52 |
| 997 | community development | 15 | 236 | 177 | 254 |
| 998 | cell adhesion molecules | 9 | 232 | 233 | 345 |
| 999 | Metallography | 5 | 231 | 670 | 443 |
| 1000 | Group decision making | 15 | 230 | 126 | 249 |
| 1000 | Protozoa | 12 | 230 | 158 | 283 |
| 1000 | animals | 11 | 230 | 692 | 634 |
| 1000 | machinery | 12 | 230 | 311 | 334 |
| 1004 | Beetles | 37 | 228 | 8 | 7 |
| 1005 | Public Speaking | 42 | 226 | 14 | 39 |
| 1006 | economic forecasting | 4 | 225 | 266 | 214 |
| 1007 | Urban Geography | 7 | 224 | 115 | 99 |
| 1009 | Molecular recognition | 11 | 223 | 40 | 90 |
| 1009 | Bacterial infections | 17 | 223 | 283 | 996 |
| 1013 | Communication in politics | 8 | 222 | 89 | 57 |
| 1014 | healthcare disparities | 14 | 221 | 173 | 253 |
| 1014 | Jurisprudence | 15 | 221 | 406 | 492 |
| 1014 | Fashion | 9 | 221 | 45 | 27 |
| 1014 | educational innovations | 8 | 221 | 262 | 242 |
| 1014 | sexual behavior | 15 | 221 | 223 | 452 |
| 1019 | Histocompatibility Testing | 8 | 220 | 385 | 297 |
| 1019 | food handling | 12 | 220 | 343 | 685 |
| 1019 | toxicity testing | 5 | 220 | 627 | 478 |
| 1022 | labor | 9 | 219 | 140 | 161 |
| 1022 | Waterways | 21 | 219 | 10 | 20 |
| 1022 | Harbors | 21 | 219 | 10 | 22 |
| 1025 | Socioeconomic Factors | 14 | 218 | 262 | 467 |
| 1025 | Electrophysiology | 12 | 218 | 649 | 709 |
| 1027 | Solar System | 17 | 217 | 425 | 678 |
| 1030 | industrial hygiene | 25 | 215 | 274 | 451 |
| 1031 | Hospitals | 26 | 212 | 190 | 449 |
| 1031 | Stress | 7 | 212 | 117 | 139 |
| 1034 | working class | 5 | 211 | 152 | 164 |
| 1035 | animal diseases | 12 | 210 | 212 | 291 |
| 1036 | Communication and Culture | 17 | 209 | 48 | 67 |
| 1036 | Public Choice | 12 | 209 | 122 | 208 |
| 1038 | Paleoceanography | 4 | 208 | 193 | 251 |
| 1039 | Environmental risk assessment | 6 | 207 | 249 | 187 |
| 1041 | Kinetics | 9 | 206 | 241 | 215 |
| 1041 | Research methodology | 1 | 206 | 241 | 56 |
| 1041 | Dementia | 25 | 206 | 599 | 866 |
| 1041 | software | 12 | 206 | 344 | 720 |
| 1041 | disaster relief | 9 | 206 | 64 | 96 |
| 1046 | Alzheimer's disease | 26 | 205 | 600 | 981 |
| 1047 | Herpetology | 16 | 204 | 83 | 92 |
| 1048 | Algorithms | 15 | 203 | 208 | 337 |
| 1051 | Decision Support Systems | 14 | 201 | 49 | 80 |
| 1051 | Environmental Geochemistry | 5 | 201 | 373 | 231 |
| 1051 | India | 6 | 201 | 1434 | 417 |
| 1054 | Pharmacokinetics | 16 | 200 | 302 | 700 |
| 1054 | Forensic Psychiatry | 10 | 200 | 301 | 313 |
| 1054 | locomotion | 7 | 200 | 516 | 508 |
| 1054 | posture | 7 | 200 | 516 | 508 |
| 1054 | gait | 7 | 200 | 516 | 508 |
| 1054 | walking | 7 | 200 | 516 | 508 |
| 1062 | soil management | 8 | 199 | 315 | 490 |
| 1064 | Geothermal Energy | 5 | 197 | 177 | 135 |
| 1064 | Multiple sclerosis | 4 | 197 | 642 | 256 |
| 1066 | Nonlinear functional analysis | 29 | 196 | 252 | 653 |
| 1066 | Measurement | 16 | 196 | 439 | 763 |
| 1066 | environmental control | 5 | 196 | 159 | 142 |
| 1066 | Biomass | 8 | 196 | 324 | 639 |
| 1070 | Social policy | 21 | 195 | 279 | 507 |
| 1070 | carbon monoxide | 2 | 195 | 463 | 251 |
| 1070 | Kidney diseases | 6 | 195 | 887 | 874 |
| 1075 | Dance | 19 | 194 | 69 | 40 |
| 1076 | tillage | 6 | 193 | 290 | 409 |
| 1077 | Behavioral Genetics | 5 | 192 | 194 | 247 |
| 1077 | Cognitive Behavioral Therapy | 6 | 192 | 146 | 143 |
| 1080 | Futures | 12 | 189 | 87 | 158 |
| 1080 | Nonprofit organizations | 5 | 189 | 239 | 172 |
| 1083 | Behaviorism | 7 | 185 | 26 | 10 |
| 1083 | Multiphase Flow | 8 | 185 | 201 | 276 |
| 1085 | Nanophotonics | 3 | 184 | 341 | 250 |
| 1087 | Water Purification | 14 | 182 | 440 | 681 |
| 1089 | Reptiles | 15 | 181 | 85 | 95 |
| 1090 | Orthopedic Surgery | 8 | 180 | 619 | 689 |
| 1090 | Developmental Immunology | 9 | 180 | 427 | 648 |
| 1092 | Molecular Epidemiology | 6 | 179 | 466 | 480 |
| 1092 | Welfare Economics | 4 | 179 | 414 | 340 |
| 1092 | Organizational culture | 2 | 179 | 48 | 33 |
| 1092 | corporate culture | 2 | 179 | 275 | 96 |
| 1097 | Greenhouse gases | 10 | 178 | 149 | 325 |
| 1098 | Dyslexia | 2 | 177 | 216 | 100 |
| 1101 | agricultural policy | 8 | 175 | 110 | 290 |
| 1101 | Synapses | 3 | 175 | 337 | 264 |
| 1103 | Biological Systems | 5 | 174 | 595 | 452 |
| 1103 | Japan | 9 | 174 | 1461 | 1226 |
| 1103 | weight loss | 7 | 174 | 88 | 71 |
| 1107 | Blood vessels | 14 | 173 | 77 | 273 |
| 1108 | Artificial Organs | 10 | 172 | 411 | 425 |
| 1108 | Foraminifera | 5 | 172 | 53 | 48 |
| 1108 | Transgenic plants | 6 | 172 | 327 | 442 |
| 1108 | nuclear power | 11 | 172 | 273 | 201 |
| 1113 | Environmental Economics | 5 | 171 | 290 | 252 |
| 1115 | Nutritional support | 3 | 170 | 195 | 196 |
| 1115 | Liposomes | 8 | 170 | 277 | 419 |
| 1115 | Lipid bilayers | 8 | 170 | 236 | 363 |
| 1119 | Biochemical Genetics | 4 | 169 | 443 | 133 |
| 1120 | epilepsy | 3 | 168 | 1266 | 825 |
| 1122 | Medicinal plants | 2 | 167 | 2118 | 1386 |
| 1122 | Radioisotopes | 13 | 167 | 606 | 715 |
| 1122 | gases | 6 | 167 | 19 | 16 |
| 1122 | viral genetics | 3 | 167 | 427 | 646 |
| 1127 | Writing | 7 | 166 | 140 | 177 |
| 1128 | Nonverbal Communication | 4 | 165 | 163 | 174 |
| 1128 | Microeconomics | 3 | 165 | 397 | 262 |
| 1132 | isomerism | 4 | 163 | 289 | 166 |
| 1132 | nuclear magnetic resonance spectroscopy | 6 | 163 | 642 | 506 |
| 1132 | Chirality | 4 | 163 | 289 | 166 |
| 1136 | Chemical kinetics | 8 | 160 | 426 | 273 |
| 1136 | Cardiovascular diseases | 10 | 160 | 1107 | 1379 |
| 1136 | forestry | 7 | 160 | 152 | 175 |
| 1136 | libraries | 67 | 160 | 49 | 292 |
| 1140 | Geodesy | 6 | 159 | 538 | 504 |
| 1140 | Comparative Advertising | 6 | 159 | 40 | 43 |
| 1142 | questioning | 3 | 158 | 43 | 12 |
| 1143 | Echocardiography | 4 | 157 | 72 | 52 |
| 1144 | Knot Theory | 17 | 156 | 48 | 41 |
| 1146 | Social welfare | 16 | 155 | 187 | 335 |
| 1148 | Structural health monitoring | 2 | 154 | 290 | 157 |
| 1148 | Social Issues | 4 | 154 | 212 | 193 |
| 1150 | Pediatric Rheumatology | 2 | 153 | 398 | 142 |
| 1150 | particles | 13 | 153 | 339 | 679 |
| 1152 | Particle Physics | 7 | 152 | 586 | 483 |
| 1152 | Electrochemical Analysis | 16 | 152 | 660 | 1265 |
| 1152 | soil pollution | 13 | 152 | 131 | 352 |
| 1152 | Leukemia | 6 | 152 | 1193 | 1326 |
| 1152 | antibiotics | 2 | 152 | 620 | 315 |
| 1158 | Liquid chromatography | 13 | 151 | 170 | 206 |
| 1159 | Genetic translocation | 4 | 150 | 177 | 166 |
| 1159 | plasmids | 4 | 150 | 177 | 166 |
| 1162 | Religion and Psychology | 8 | 149 | 243 | 212 |
| 1164 | Organizational change | 12 | 147 | 259 | 506 |
| 1165 | Electrons | 1 | 146 | 261 | 29 |
| 1166 | Endocrine glands | 3 | 145 | 309 | 527 |
| 1166 | Labor Supply | 6 | 145 | 21 | 52 |
| 1166 | international trade | 8 | 145 | 372 | 477 |
| 1169 | intergroup relations | 1 | 144 | 378 | 144 |
| 1170 | Synchrotron Radiation | 9 | 143 | 195 | 259 |
| 1170 | synthesis | 8 | 143 | 693 | 555 |
| 1172 | Superconductors | 8 | 142 | 445 | 424 |
| 1172 | Heterocyclic compounds | 13 | 142 | 469 | 519 |
| 1175 | Calorimetry | 7 | 141 | 801 | 733 |
| 1175 | Thermal analysis | 7 | 141 | 801 | 733 |
| 1177 | Emotion | 5 | 140 | 134 | 228 |
| 1179 | Differential Equations | 8 | 139 | 645 | 600 |
| 1179 | hydrocolloids | 5 | 139 | 518 | 832 |
| 1181 | Psychiatric hospitals | 19 | 138 | 112 | 281 |
| 1182 | Topology | 15 | 137 | 111 | 145 |
| 1182 | women | 13 | 137 | 292 | 370 |
| 1186 | Leisure | 5 | 135 | 291 | 268 |
| 1187 | Maternal health services | 11 | 134 | 171 | 378 |
| 1187 | Cell cycle | 7 | 134 | 183 | 263 |
| 1187 | cell proliferation | 7 | 134 | 209 | 289 |
| 1187 | Aggression | 5 | 134 | 365 | 480 |
| 1191 | Methodology | 9 | 133 | 184 | 233 |
| 1191 | scientific societies | 13 | 133 | 356 | 780 |
| 1193 | Solar Energy | 5 | 130 | 1570 | 1845 |
| 1193 | Community Colleges | 11 | 130 | 69 | 70 |
| 1193 | planning | 9 | 130 | 344 | 456 |
| 1193 | Catalysts | 10 | 130 | 325 | 549 |
| 1197 | Elementary particles | 2 | 129 | 246 | 275 |
| 1198 | Latin America | 30 | 128 | 419 | 576 |
| 1199 | Heat Exchangers | 10 | 127 | 656 | 1263 |
| 1199 | Biomolecules | 3 | 127 | 527 | 583 |
| 1202 | Digital electronics | 20 | 126 | 45 | 99 |
| 1202 | Microprocessors | 9 | 126 | 262 | 287 |
| 1202 | Autoantibodies | 2 | 126 | 943 | 772 |
| 1202 | residential treatment | 13 | 126 | 23 | 92 |
| 1202 | public works | 9 | 126 | 35 | 57 |
| 1202 | Autoimmune diseases | 2 | 126 | 1011 | 821 |
| 1209 | health and race | 10 | 125 | 87 | 179 |
| 1209 | Supramolecular chemistry | 2 | 125 | 368 | 84 |
| 1209 | wind erosion | 5 | 125 | 51 | 129 |
| 1209 | Sites | 4 | 125 | 557 | 663 |
| 1209 | biomedicine | 17 | 125 | 223 | 838 |
| 1214 | Infection control | 14 | 124 | 244 | 701 |
| 1215 | Sensor Networks | 6 | 123 | 124 | 133 |
| 1218 | urban health | 1 | 120 | 658 | 313 |
| 1218 | Animal genetics | 9 | 120 | 351 | 576 |
| 1218 | Employee rights | 4 | 120 | 56 | 43 |
| 1222 | Zeolites | 6 | 119 | 692 | 1085 |
| 1223 | Hydraulic machinery | 3 | 118 | 141 | 44 |
| 1224 | Water chemistry | 3 | 117 | 357 | 210 |
| 1225 | Microbial Genetics | 4 | 116 | 333 | 381 |
| 1225 | phytopathogenic bacteria | 3 | 116 | 290 | 356 |
| 1225 | African American | 10 | 116 | 40 | 61 |
| 1228 | Metallic Glasses | 3 | 115 | 500 | 421 |
| 1228 | Molecular Imaging | 1 | 115 | 1378 | 917 |
| 1230 | Oxidative stress | 7 | 114 | 812 | 1609 |
| 1230 | blood transfusion | 8 | 114 | 603 | 758 |
| 1230 | Freezing | 15 | 114 | 118 | 224 |
| 1234 | Ecophysiology | 2 | 113 | 352 | 167 |
| 1234 | Career development | 8 | 113 | 185 | 252 |
| 1234 | Biofeedback | 1 | 113 | 303 | 117 |
| 1234 | Criminal behavior | 4 | 113 | 154 | 134 |
| 1239 | Immunotoxicology | 7 | 112 | 142 | 191 |
| 1239 | Urban Anthropology | 5 | 112 | 93 | 91 |
| 1239 | Employee selection | 8 | 112 | 45 | 116 |
| 1242 | Prisons | 5 | 111 | 251 | 166 |
| 1244 | Ecohydrology | 7 | 110 | 191 | 315 |
| 1244 | student | 10 | 110 | 12 | 44 |
| 1244 | pigments | 3 | 110 | 955 | 781 |
| 1247 | Alternative Medicine | 6 | 109 | 1544 | 1898 |
| 1247 | Developed countries | 5 | 109 | 119 | 217 |
| 1251 | Job satisfaction | 1 | 107 | 246 | 203 |
| 1251 | psychophysics | 9 | 107 | 157 | 233 |
| 1251 | cardiac catheterization | 11 | 107 | 531 | 787 |
| 1251 | Work | 1 | 107 | 725 | 267 |
| 1251 | job stress | 1 | 107 | 246 | 203 |
| 1257 | Mobile genetic elements | 8 | 106 | 16 | 108 |
| 1257 | Bioremediation | 2 | 106 | 1272 | 936 |
| 1257 | Water quality | 2 | 106 | 358 | 155 |
| 1257 | Art | 11 | 106 | 195 | 52 |
| 1257 | Africa | 11 | 106 | 868 | 1090 |
| 1257 | weather | 8 | 106 | 302 | 628 |
| 1257 | tomography | 3 | 106 | 501 | 350 |
| 1257 | amino acids | 7 | 106 | 339 | 692 |
| 1265 | soil conservation | 8 | 105 | 426 | 836 |
| 1265 | collagen | 3 | 105 | 357 | 496 |
| 1267 | Multicultural Education | 7 | 104 | 207 | 227 |
| 1267 | infrared radiation | 5 | 104 | 500 | 394 |
| 1267 | Budget | 10 | 104 | 55 | 62 |
| 1267 | NMR | 3 | 104 | 670 | 386 |
| 1267 | magnetic resonance | 3 | 104 | 688 | 404 |
| 1272 | Broadcasting | 25 | 102 | 8 | 140 |
| 1272 | supercritical fluids | 5 | 102 | 303 | 452 |
| 1274 | Radiotherapy | 18 | 101 | 127 | 273 |
| 1274 | Qualitative Research | 2 | 101 | 712 | 421 |
| 1274 | Industrial Policy | 7 | 101 | 291 | 492 |
| 1274 | Educational measurement | 5 | 101 | 144 | 144 |
| 1274 | Culture techniques | 3 | 101 | 390 | 296 |
| 1274 | environmental issues | 4 | 101 | 391 | 528 |
| 1280 | Marine Conservation | 5 | 100 | 42 | 16 |
| 1280 | Law of the Sea | 5 | 100 | 42 | 16 |
| 1280 | biofuels | 3 | 100 | 315 | 578 |
| 1280 | Microfluidics | 5 | 100 | 150 | 235 |
| 1285 | Mass Media | 13 | 99 | 413 | 424 |
| 1287 | solar power | 1 | 97 | 1585 | 1145 |
| 1287 | solar cells | 1 | 97 | 1730 | 1262 |
| 1289 | Long-Term Care | 7 | 96 | 386 | 757 |
| 1289 | Long-term care facilities | 7 | 96 | 383 | 752 |
| 1289 | Synthetic biology | 5 | 96 | 254 | 359 |
| 1289 | Arthropods | 11 | 96 | 57 | 147 |
| 1289 | Electroconvulsive therapy | 2 | 96 | 165 | 86 |
| 1289 | Detectors | 8 | 96 | 517 | 578 |
| 1297 | poverty | 10 | 94 | 127 | 433 |
| 1297 | Amphibians | 10 | 94 | 111 | 139 |
| 1300 | Extracellular matrix | 2 | 93 | 433 | 502 |
| 1300 | Foodborne diseases | 6 | 93 | 178 | 299 |
| 1302 | Geosynthetics | 3 | 92 | 158 | 126 |
| 1304 | Surface-Active Agents | 2 | 91 | 1580 | 1533 |
| 1304 | Surface properties | 2 | 91 | 1678 | 1653 |
| 1307 | Intelligent Control Systems | 4 | 90 | 1111 | 702 |
| 1307 | Luminescence | 5 | 90 | 1198 | 1210 |
| 1307 | administrative agencies | 3 | 90 | 298 | 242 |
| 1310 | Great Lakes | 4 | 89 | 226 | 273 |
| 1310 | autism spectrum disorder | 5 | 89 | 29 | 62 |
| 1312 | Multivariate Analysis | 7 | 88 | 305 | 471 |
| 1312 | Immunogenetics | 7 | 88 | 564 | 951 |