| 1 | Physics | 4,835 | 601.2K | 56 | 35 |
| 2 | Science | 2,236 | 408.9K | 126 | 55 |
| 3 | Biology | 1,949 | 322.0K | 146 | 76 |
| 4 | Natural history | 656 | 223.4K | 72 | 52 |
| 5 | Chemistry | 2,436 | 218.2K | 128 | 60 |
| 6 | Astrophysics | 1,782 | 211.2K | 64 | 40 |
| 7 | Condensed Matter | 2,431 | 172.0K | 20 | 11 |
| 8 | Solid State Physics | 2,596 | 171.5K | 25 | 10 |
| 9 | Ecology | 1,459 | 160.3K | 56 | 25 |
| 10 | Nuclear Physics | 2,025 | 150.0K | 76 | 24 |
| 11 | Materials | 1,439 | 138.8K | 100 | 40 |
| 12 | Astronomy | 1,188 | 128.3K | 92 | 50 |
| 13 | Spectrum analysis | 1,471 | 125.8K | 50 | 37 |
| 14 | Quantum Gravity | 1,186 | 85.3K | 24 | 16 |
| 15 | Materials Science | 1,158 | 78.9K | 60 | 32 |
| 16 | Nanotechnology | 649 | 65.2K | 162 | 95 |
| 17 | Statistical physics | 819 | 53.1K | 53 | 18 |
| 18 | Molecular Biology | 589 | 52.5K | 438 | 272 |
| 19 | Biochemistry | 934 | 51.8K | 421 | 291 |
| 20 | Geology | 694 | 51.5K | 65 | 25 |
| 21 | Automation | 462 | 46.7K | 26 | 12 |
| 22 | Psychology | 623 | 39.3K | 136 | 90 |
| 23 | biological evolution | 262 | 37.4K | 53 | 32 |
| 24 | Electronics | 501 | 36.9K | 91 | 21 |
| 25 | Metals | 426 | 36.2K | 36 | 14 |
| 26 | Polymers | 738 | 36.2K | 124 | 65 |
| 27 | Optics | 618 | 35.2K | 160 | 37 |
| 28 | Environment | 392 | 33.1K | 189 | 152 |
| 29 | Evolution | 185 | 32.4K | 86 | 16 |
| 30 | Oceanography | 417 | 32.1K | 38 | 18 |
| 31 | Social Psychology | 436 | 31.7K | 46 | 45 |
| 32 | Pollution | 374 | 31.6K | 222 | 144 |
| 33 | Marine Biology | 462 | 31.5K | 32 | 13 |
| 34 | Microbiology | 274 | 28.5K | 547 | 322 |
| 35 | Research | 561 | 28.3K | 403 | 303 |
| 36 | Biotechnology | 279 | 27.6K | 368 | 200 |
| 37 | Medicine | 531 | 26.1K | 576 | 555 |
| 38 | Geophysics | 579 | 25.4K | 164 | 144 |
| 39 | Photonics | 362 | 25.2K | 43 | 20 |
| 40 | Economics | 434 | 24.9K | 129 | 79 |
| 41 | Metallurgy | 358 | 24.7K | 66 | 34 |
| 42 | polymerization | 487 | 24.3K | 143 | 73 |
| 43 | Cytology | 269 | 24.0K | 349 | 308 |
| 44 | Environmental Policy | 214 | 23.1K | 101 | 33 |
| 45 | Ceramics | 292 | 22.8K | 22 | 8 |
| 46 | Glass | 290 | 22.7K | 14 | 7 |
| 46 | pottery | 290 | 22.7K | 13 | 7 |
| 48 | Biophysics | 390 | 22.5K | 365 | 193 |
| 49 | Bioengineering | 211 | 21.8K | 274 | 164 |
| 50 | miniaturization | 189 | 21.6K | 76 | 46 |
| 51 | Environmental Health | 282 | 20.6K | 272 | 181 |
| 52 | Communication | 447 | 20.6K | 20 | 15 |
| 53 | Biocompatible Materials | 236 | 20.5K | 298 | 167 |
| 54 | Cell Biology | 200 | 19.9K | 382 | 347 |
| 55 | Catalysis | 388 | 19.8K | 171 | 172 |
| 56 | nanoscience | 143 | 19.8K | 264 | 114 |
| 57 | Telecommunication | 248 | 19.8K | 124 | 66 |
| 58 | Earth Sciences | 204 | 19.6K | 162 | 64 |
| 59 | Colloids | 437 | 19.6K | 113 | 85 |
| 60 | Nonlinear Dynamics | 376 | 19.3K | 34 | 19 |
| 61 | Optical materials | 193 | 19.2K | 160 | 75 |
| 62 | Behavior | 300 | 19.1K | 127 | 102 |
| 63 | United States | 611 | 18.6K | 158 | 151 |
| 64 | Microelectronics | 181 | 18.2K | 93 | 50 |
| 65 | Quantum electronics | 428 | 18.2K | 8 | 6 |
| 66 | Meteorology | 232 | 18.0K | 142 | 91 |
| 67 | Signal Processing | 274 | 17.9K | 125 | 85 |
| 68 | Chemical Engineering | 354 | 17.6K | 266 | 220 |
| 69 | Surface Chemistry | 365 | 17.5K | 145 | 85 |
| 70 | Medical Laboratory Science | 93 | 17.4K | 167 | 18 |
| 71 | Radio | 90 | 17.3K | 191 | 31 |
| 72 | Neurology | 288 | 16.9K | 523 | 462 |
| 73 | Psychophysiology | 403 | 16.8K | 110 | 132 |
| 74 | Planets | 278 | 16.1K | 91 | 73 |
| 75 | personality | 202 | 15.7K | 53 | 47 |
| 76 | Technology | 324 | 15.7K | 131 | 56 |
| 77 | lasers | 364 | 15.4K | 28 | 8 |
| 78 | Physical Chemistry | 224 | 15.4K | 61 | 41 |
| 79 | Educational Psychology | 227 | 14.8K | 29 | 10 |
| 80 | Nanostructured Materials | 228 | 14.4K | 193 | 122 |
| 81 | Geochemistry | 252 | 14.2K | 112 | 98 |
| 82 | Environmental Engineering | 137 | 14.2K | 284 | 143 |
| 83 | Virology | 112 | 14.1K | 416 | 330 |
| 84 | Sociology | 281 | 14.0K | 95 | 75 |
| 85 | Mathematical Physics | 293 | 14.0K | 94 | 65 |
| 86 | Cognition | 214 | 14.0K | 76 | 62 |
| 87 | Botany | 295 | 13.9K | 242 | 248 |
| 88 | Biodiversity conservation | 144 | 13.9K | 70 | 77 |
| 89 | Hydrology | 259 | 13.6K | 64 | 57 |
| 90 | Water | 188 | 13.2K | 121 | 97 |
| 91 | Education | 366 | 13.1K | 116 | 79 |
| 92 | Climatology | 173 | 12.9K | 111 | 77 |
| 93 | Social behavior | 168 | 12.4K | 18 | 12 |
| 94 | sanitation | 110 | 12.4K | 127 | 98 |
| 95 | Mathematics | 734 | 12.3K | 171 | 142 |
| 96 | Light | 56 | 12.2K | 81 | 27 |
| 97 | human behavior | 199 | 11.4K | 109 | 123 |
| 98 | Pharmacology | 124 | 11.3K | 846 | 383 |
| 99 | Control Theory | 191 | 10.9K | 64 | 27 |
| 100 | soil microbiology | 69 | 10.8K | 158 | 58 |
| 101 | Perception | 213 | 10.7K | 96 | 62 |
| 102 | Ecosystem management | 61 | 10.7K | 22 | 2 |
| 103 | Microbial Ecology | 116 | 10.6K | 189 | 152 |
| 104 | Ophthalmology | 151 | 10.5K | 128 | 79 |
| 105 | Meteorites | 124 | 10.3K | 86 | 67 |
| 106 | Soil biology | 57 | 10.2K | 102 | 30 |
| 107 | Geography | 150 | 10.2K | 136 | 55 |
| 108 | Nanostructures | 135 | 10.1K | 55 | 75 |
| 109 | Organic Chemistry | 153 | 10.0K | 269 | 109 |
| 110 | Image Processing | 139 | 10.0K | 151 | 106 |
| 111 | ecosystem | 117 | 9.9K | 33 | 20 |
| 112 | Biogeochemistry | 116 | 9.6K | 46 | 34 |
| 113 | Climate change | 91 | 9.6K | 64 | 94 |
| 114 | Eutrophication | 90 | 9.6K | 63 | 94 |
| 115 | Information Theory | 128 | 9.5K | 76 | 52 |
| 116 | Animal Behavior | 179 | 9.2K | 125 | 118 |
| 117 | Genetics | 148 | 9.1K | 384 | 429 |
| 118 | Cancer | 30 | 9.0K | 1209 | 350 |
| 119 | Pharmaceutical Chemistry | 80 | 8.8K | 690 | 230 |
| 120 | Cognitive neuroscience | 80 | 8.8K | 99 | 73 |
| 121 | Green Chemistry | 84 | 8.7K | 164 | 62 |
| 122 | Cognitive Science | 72 | 8.5K | 119 | 60 |
| 123 | Artificial Intelligence | 111 | 8.3K | 381 | 190 |
| 124 | Economic History | 105 | 8.2K | 302 | 56 |
| 125 | Fisheries | 173 | 8.2K | 67 | 26 |
| 126 | Biodiversity | 96 | 8.0K | 150 | 80 |
| 127 | Biogeochemical cycles | 74 | 7.9K | 15 | 16 |
| 128 | Neurophysiology | 169 | 7.9K | 276 | 322 |
| 129 | Teaching | 106 | 7.8K | 97 | 30 |
| 130 | Molecular structure | 62 | 7.8K | 277 | 93 |
| 131 | Energy Conversion | 88 | 7.8K | 108 | 133 |
| 132 | water supply | 105 | 7.7K | 58 | 43 |
| 133 | Computational Biology | 130 | 7.6K | 183 | 188 |
| 134 | computer networks | 119 | 7.6K | 174 | 65 |
| 135 | Developmental Disabilities | 104 | 7.6K | 73 | 49 |
| 136 | fuel cells | 84 | 7.5K | 100 | 88 |
| 137 | System analysis | 208 | 7.5K | 47 | 43 |
| 138 | Analytical Chemistry | 141 | 7.5K | 558 | 361 |
| 139 | Data Mining | 54 | 7.2K | 123 | 55 |
| 140 | Environmental Chemistry | 66 | 7.2K | 206 | 153 |
| 141 | Nanoparticles | 56 | 7.2K | 246 | 68 |
| 142 | Developmental Biology | 148 | 7.2K | 162 | 230 |
| 143 | Economic Development | 93 | 7.0K | 94 | 51 |
| 144 | Electrochemistry | 310 | 6.9K | 248 | 282 |
| 145 | Biomedical Engineering | 121 | 6.9K | 633 | 388 |
| 146 | data collection | 42 | 6.8K | 81 | 40 |
| 147 | Bacteriology | 93 | 6.7K | 208 | 174 |
| 148 | Wireless Communication Systems | 87 | 6.7K | 296 | 136 |
| 149 | Child Development | 119 | 6.7K | 187 | 160 |
| 150 | School Psychology | 180 | 6.7K | 8 | 6 |
| 151 | Bioorganic chemistry | 84 | 6.7K | 360 | 142 |
| 152 | environmental protection | 87 | 6.6K | 347 | 152 |
| 153 | Human Geography | 39 | 6.5K | 191 | 37 |
| 154 | Linguistics | 141 | 6.5K | 54 | 41 |
| 155 | Solid State Chemistry | 199 | 6.3K | 96 | 62 |
| 156 | environmental pollution | 125 | 6.3K | 476 | 391 |
| 157 | Conservation Biology | 82 | 6.2K | 61 | 37 |
| 158 | Child | 98 | 6.2K | 242 | 102 |
| 159 | Learning | 61 | 6.2K | 161 | 70 |
| 160 | Semiconductors | 245 | 6.1K | 41 | 19 |
| 161 | Environmental Management | 95 | 6.1K | 239 | 142 |
| 162 | Ethology | 124 | 6.0K | 128 | 141 |
| 163 | Vision | 108 | 5.9K | 37 | 34 |
| 164 | Social Sciences | 239 | 5.9K | 117 | 130 |
| 165 | Plant Ecology | 82 | 5.8K | 155 | 103 |
| 166 | Speech Disorders | 205 | 5.7K | 37 | 49 |
| 167 | Memory | 116 | 5.6K | 180 | 145 |
| 168 | Plant physiology | 22 | 5.6K | 789 | 193 |
| 169 | Computer Graphics | 122 | 5.5K | 121 | 106 |
| 170 | Biochemical Engineering | 43 | 5.4K | 859 | 523 |
| 171 | Geomorphology | 81 | 5.4K | 93 | 48 |
| 172 | Child psychology | 112 | 5.4K | 155 | 171 |
| 173 | Sound | 82 | 5.3K | 57 | 25 |
| 174 | Sustainable Development | 77 | 5.3K | 77 | 68 |
| 175 | Vocational guidance | 165 | 5.3K | 32 | 47 |
| 176 | Robotics | 64 | 5.2K | 213 | 65 |
| 177 | Mineralogy | 95 | 5.1K | 141 | 90 |
| 178 | Biogeography | 45 | 5.1K | 113 | 51 |
| 179 | Oncology | 5 | 5.1K | 1932 | 416 |
| 180 | Political Science | 124 | 5.1K | 134 | 89 |
| 181 | Algae | 110 | 5.1K | 21 | 18 |
| 182 | plant molecular biology | 8 | 5.0K | 943 | 229 |
| 183 | Sustainable Engineering | 44 | 5.0K | 250 | 69 |
| 184 | Speech | 157 | 5.0K | 39 | 48 |
| 185 | behavior modification | 53 | 4.9K | 50 | 21 |
| 186 | Acoustics | 59 | 4.9K | 14 | 9 |
| 187 | Anthropology | 218 | 4.8K | 65 | 58 |
| 188 | Seaweed | 105 | 4.8K | 5 | 9 |
| 189 | Database Management | 85 | 4.8K | 51 | 38 |
| 190 | Soft Condensed Matter | 147 | 4.8K | 26 | 34 |
| 191 | Plant cells | 15 | 4.8K | 501 | 249 |
| 192 | Speech acoustics | 47 | 4.8K | 9 | 9 |
| 193 | management | 58 | 4.7K | 623 | 416 |
| 194 | Mechanics | 54 | 4.7K | 112 | 24 |
| 195 | Genetic engineering | 50 | 4.7K | 339 | 154 |
| 196 | Fluid Mechanics | 60 | 4.6K | 220 | 72 |
| 197 | sustainability | 56 | 4.6K | 31 | 29 |
| 198 | Neurons | 31 | 4.6K | 150 | 204 |
| 199 | Magnetic Materials | 68 | 4.5K | 170 | 71 |
| 200 | Composite Materials | 92 | 4.5K | 366 | 309 |
| 201 | biopolymers | 125 | 4.4K | 45 | 41 |
| 202 | Statistics | 165 | 4.4K | 195 | 212 |
| 203 | Brain | 95 | 4.3K | 423 | 391 |
| 204 | Discourse Analysis | 28 | 4.2K | 22 | 5 |
| 205 | Water pollution | 78 | 4.2K | 380 | 308 |
| 206 | Toxicology | 111 | 4.1K | 656 | 609 |
| 207 | Petrology | 79 | 4.1K | 108 | 89 |
| 208 | Geographic information systems | 121 | 4.1K | 12 | 3 |
| 209 | Clinical Psychology | 80 | 4.1K | 144 | 148 |
| 210 | Fiber Optics | 96 | 4.1K | 70 | 42 |
| 211 | Archaeology | 135 | 4.0K | 73 | 66 |
| 212 | Wildlife conservation | 57 | 4.0K | 114 | 85 |
| 213 | Energy Policy | 34 | 4.0K | 677 | 286 |
| 214 | Cell differentiation | 50 | 4.0K | 321 | 317 |
| 215 | Physiology | 124 | 4.0K | 550 | 601 |
| 216 | Zoology | 117 | 3.9K | 222 | 175 |
| 217 | Fluid Dynamics | 44 | 3.9K | 169 | 40 |
| 218 | energy resources | 27 | 3.9K | 320 | 134 |
| 219 | counseling | 112 | 3.8K | 97 | 71 |
| 220 | Medical Microbiology | 21 | 3.8K | 876 | 316 |
| 221 | Attention | 97 | 3.7K | 186 | 150 |
| 222 | Population Genetics | 44 | 3.7K | 214 | 138 |
| 223 | Engineering | 74 | 3.7K | 642 | 268 |
| 224 | Molecular Genetics | 56 | 3.7K | 283 | 235 |
| 225 | Psychiatry | 121 | 3.6K | 545 | 722 |
| 226 | Rheology | 73 | 3.6K | 23 | 19 |
| 227 | Sociolinguistics | 71 | 3.6K | 7 | 5 |
| 228 | Developing countries | 97 | 3.6K | 164 | 141 |
| 229 | Adolescent | 94 | 3.6K | 193 | 151 |
| 230 | Regional Planning | 77 | 3.5K | 115 | 83 |
| 231 | Immunology | 47 | 3.5K | 897 | 711 |
| 232 | Experimental Psychology | 49 | 3.5K | 55 | 43 |
| 233 | Applied Sciences | 3 | 3.5K | 17 | 3 |
| 233 | Applied Mechanics | 3 | 3.5K | 17 | 3 |
| 235 | Pharmacy | 40 | 3.5K | 455 | 153 |
| 236 | Developmental Psychology | 80 | 3.5K | 88 | 112 |
| 237 | Growth | 54 | 3.4K | 191 | 234 |
| 237 | language | 77 | 3.4K | 47 | 45 |
| 239 | Psycholinguistics | 68 | 3.4K | 102 | 103 |
| 239 | Drug delivery systems | 26 | 3.4K | 373 | 124 |
| 241 | California | 135 | 3.4K | 9 | 11 |
| 242 | Visual Perception | 82 | 3.4K | 202 | 160 |
| 243 | Renewable Energy Sources | 33 | 3.3K | 633 | 454 |
| 244 | nucleic acids | 57 | 3.3K | 313 | 426 |
| 245 | Transport | 73 | 3.3K | 18 | 19 |
| 246 | Databases | 51 | 3.3K | 47 | 28 |
| 247 | Solar System | 46 | 3.2K | 168 | 101 |
| 248 | Sea | 71 | 3.2K | 16 | 14 |
| 248 | Fishery resources | 71 | 3.2K | 20 | 16 |
| 250 | biological invasions | 36 | 3.2K | 42 | 10 |
| 251 | Embryology | 59 | 3.2K | 253 | 280 |
| 252 | organization | 22 | 3.2K | 196 | 129 |
| 253 | Electrical Engineering | 483 | 3.1K | 73 | 215 |
| 254 | Microscopy | 76 | 3.1K | 77 | 65 |
| 255 | Human-Computer Interaction | 52 | 3.1K | 123 | 56 |
| 256 | Econometrics | 57 | 3.1K | 185 | 150 |
| 257 | Retina | 9 | 3.0K | 60 | 29 |
| 257 | eye | 9 | 3.0K | 69 | 31 |
| 259 | Nervous system | 67 | 3.0K | 378 | 426 |
| 260 | Quantum theory | 80 | 3.0K | 43 | 31 |
| 261 | Agriculture | 58 | 3.0K | 290 | 193 |
| 262 | Neuropsychology | 77 | 2.9K | 303 | 287 |
| 263 | Animal ecology | 80 | 2.9K | 101 | 122 |
| 264 | Molecular ecology | 37 | 2.9K | 210 | 190 |
| 265 | Anatomy | 54 | 2.9K | 338 | 284 |
| 266 | proteins | 48 | 2.9K | 373 | 238 |
| 267 | protein | 44 | 2.8K | 196 | 151 |
| 268 | Natural resources | 44 | 2.8K | 76 | 41 |
| 269 | Seismology | 58 | 2.8K | 50 | 33 |
| 270 | Virtual reality | 33 | 2.8K | 20 | 8 |
| 271 | city planning | 55 | 2.8K | 193 | 114 |
| 272 | Statistical Mechanics | 46 | 2.7K | 89 | 46 |
| 273 | Systems Engineering | 30 | 2.7K | 532 | 149 |
| 274 | Geodynamics | 32 | 2.7K | 199 | 95 |
| 275 | Electromagnetism | 29 | 2.7K | 221 | 36 |
| 276 | Computer Vision | 28 | 2.7K | 265 | 181 |
| 277 | cell physiology | 42 | 2.7K | 295 | 280 |
| 278 | Transportation | 82 | 2.6K | 207 | 190 |
| 279 | Diagnostic microbiology | 3 | 2.6K | 1277 | 262 |
| 280 | Stem cells | 21 | 2.6K | 535 | 226 |
| 281 | genome | 25 | 2.5K | 431 | 382 |
| 282 | Endocrinology | 48 | 2.5K | 739 | 745 |
| 283 | Multimedia Systems | 73 | 2.5K | 134 | 80 |
| 284 | Process Control | 35 | 2.4K | 86 | 83 |
| 285 | Molecules | 33 | 2.4K | 362 | 141 |
| 286 | Microwaves | 97 | 2.4K | 137 | 129 |
| 287 | Public Health | 72 | 2.4K | 948 | 949 |
| 287 | Medical Physics | 54 | 2.4K | 383 | 299 |
| 289 | Environmental monitoring | 61 | 2.4K | 644 | 711 |
| 290 | Birds | 80 | 2.3K | 118 | 81 |
| 291 | Quantum Chemistry | 3 | 2.3K | 133 | 2 |
| 292 | sexual behavior | 32 | 2.3K | 88 | 44 |
| 293 | plant communities | 37 | 2.3K | 190 | 192 |
| 294 | nuclear magnetic resonance | 71 | 2.3K | 124 | 104 |
| 295 | Magnetic Resonance Spectroscopy | 75 | 2.3K | 120 | 96 |
| 296 | Bioinformatics | 50 | 2.3K | 365 | 385 |
| 297 | school psychologists | 30 | 2.2K | 31 | 16 |
| 298 | Combinatorial chemistry | 39 | 2.2K | 97 | 104 |
| 299 | Social Networks | 28 | 2.2K | 18 | 24 |
| 300 | Structuralism | 26 | 2.2K | 14 | 24 |
| 301 | Zeolites | 33 | 2.2K | 109 | 58 |
| 302 | cryosphere | 11 | 2.1K | 168 | 56 |
| 303 | Energy Storage | 56 | 2.1K | 134 | 148 |
| 304 | Nonlinear systems | 38 | 2.1K | 61 | 17 |
| 305 | Chemical Oceanography | 28 | 2.1K | 49 | 37 |
| 306 | Paleoceanography | 32 | 2.1K | 17 | 25 |
| 307 | Community Psychology | 31 | 2.1K | 89 | 77 |
| 308 | Medical Technology | 36 | 2.1K | 240 | 116 |
| 309 | Social problems | 35 | 2.1K | 65 | 63 |
| 310 | Neurobiology | 36 | 2.1K | 480 | 457 |
| 311 | Genomics | 57 | 2.1K | 605 | 589 |
| 312 | Plastics | 34 | 2.1K | 322 | 125 |
| 313 | plasticity | 31 | 2.1K | 47 | 54 |
| 314 | Cybernetics | 53 | 2.0K | 223 | 265 |
| 315 | Carbon | 13 | 2.0K | 600 | 261 |
| 316 | Paleoclimatology | 23 | 2.0K | 347 | 160 |
| 317 | Paleoecology | 24 | 2.0K | 320 | 129 |
| 318 | Hearing | 107 | 2.0K | 46 | 64 |
| 319 | Human biology | 42 | 2.0K | 56 | 19 |
| 320 | Business | 30 | 1.9K | 555 | 458 |
| 321 | energy development | 17 | 1.9K | 191 | 157 |
| 322 | Operations Research | 58 | 1.9K | 347 | 318 |
| 323 | Paleogeography | 20 | 1.9K | 324 | 121 |
| 324 | Environmental Microbiology | 37 | 1.9K | 202 | 265 |
| 325 | Optical Communications | 37 | 1.9K | 105 | 34 |
| 326 | Ceramic materials | 36 | 1.9K | 219 | 111 |
| 327 | Recombinant DNA | 27 | 1.9K | 362 | 174 |
| 328 | world | 28 | 1.9K | 123 | 99 |
| 329 | Soil Science | 27 | 1.9K | 505 | 286 |
| 330 | Psychopharmacology | 27 | 1.9K | 461 | 377 |
| 331 | Raman spectroscopy | 10 | 1.8K | 310 | 21 |
| 332 | Parallel Processing | 36 | 1.8K | 59 | 55 |
| 333 | Decision making | 37 | 1.8K | 225 | 174 |
| 334 | Genetic regulation | 15 | 1.8K | 445 | 276 |
| 335 | Population | 34 | 1.8K | 119 | 77 |
| 335 | Information Science | 27 | 1.8K | 672 | 364 |
| 337 | Political Sociology | 33 | 1.8K | 38 | 27 |
| 337 | Development | 27 | 1.8K | 143 | 96 |
| 339 | Sociobiology | 34 | 1.8K | 16 | 15 |
| 340 | Dynamics | 81 | 1.8K | 64 | 63 |
| 341 | Molecular cloning | 25 | 1.8K | 356 | 163 |
| 341 | Genetic recombination | 25 | 1.8K | 340 | 160 |
| 343 | psychotherapy | 28 | 1.8K | 353 | 270 |
| 344 | Fracture mechanics | 25 | 1.8K | 463 | 169 |
| 345 | Medical innovations | 15 | 1.8K | 353 | 298 |
| 346 | Energy Harvesting | 39 | 1.8K | 57 | 122 |
| 347 | Emotions | 21 | 1.8K | 155 | 103 |
| 348 | Economic Assistance | 25 | 1.8K | 126 | 89 |
| 349 | Language Disorders | 75 | 1.7K | 92 | 96 |
| 350 | Social perception | 33 | 1.7K | 5 | 12 |
| 351 | Counseling Psychology | 42 | 1.7K | 17 | 23 |
| 352 | Hydrodynamics | 39 | 1.7K | 72 | 59 |
| 353 | Industrial Engineering | 39 | 1.7K | 343 | 256 |
| 354 | Health | 47 | 1.7K | 379 | 330 |
| 355 | Coral reef biology | 44 | 1.7K | 23 | 25 |
| 356 | Communication in medicine | 44 | 1.7K | 63 | 48 |
| 357 | Neurochemistry | 57 | 1.7K | 494 | 619 |
| 358 | Software Engineering | 51 | 1.7K | 111 | 140 |
| 359 | Cheminformatics | 4 | 1.7K | 274 | 40 |
| 360 | Marine Ecology | 46 | 1.7K | 76 | 37 |
| 360 | Mass Spectrometry | 22 | 1.7K | 378 | 161 |
| 362 | Special Education | 62 | 1.7K | 81 | 73 |
| 362 | Biomolecules | 6 | 1.7K | 284 | 56 |
| 364 | Aquatic ecology | 45 | 1.6K | 77 | 49 |
| 365 | optical instruments | 21 | 1.6K | 106 | 62 |
| 366 | Crystal growth | 44 | 1.6K | 101 | 85 |
| 366 | Membranes | 32 | 1.6K | 464 | 427 |
| 368 | Cerebral cortex | 17 | 1.6K | 342 | 214 |
| 369 | Structure-activity relationship | 4 | 1.6K | 190 | 42 |
| 370 | Philosophy | 168 | 1.6K | 94 | 116 |
| 371 | Learning disabilities | 54 | 1.6K | 95 | 74 |
| 372 | International Finance | 19 | 1.6K | 567 | 203 |
| 373 | Paleontology | 47 | 1.6K | 254 | 158 |
| 374 | Molecular Spectroscopy | 45 | 1.6K | 257 | 147 |
| 375 | Psychometrics | 37 | 1.6K | 63 | 91 |
| 376 | Atmospheric Physics | 27 | 1.6K | 508 | 422 |
| 377 | Political Psychology | 25 | 1.5K | 52 | 34 |
| 378 | Continental shelf | 23 | 1.5K | 84 | 58 |
| 379 | Microeconomics | 26 | 1.5K | 40 | 34 |
| 380 | Pharmaceutical Technology | 21 | 1.5K | 466 | 217 |
| 381 | Geomagnetism | 56 | 1.5K | 82 | 85 |
| 382 | Multiphase Flow | 30 | 1.5K | 36 | 37 |
| 383 | Photochemistry | 32 | 1.5K | 326 | 204 |
| 383 | Consciousness | 16 | 1.5K | 104 | 26 |
| 385 | Diabetes | 29 | 1.5K | 659 | 643 |
| 386 | Forest Ecology | 21 | 1.5K | 306 | 186 |
| 387 | mathematical analysis | 143 | 1.5K | 149 | 258 |
| 388 | Comparative Physiology | 41 | 1.5K | 87 | 103 |
| 389 | Product life cycle | 31 | 1.5K | 20 | 35 |
| 389 | green products | 31 | 1.5K | 19 | 35 |
| 391 | Industrial Ecology | 15 | 1.4K | 32 | 19 |
| 392 | viruses | 21 | 1.4K | 546 | 486 |
| 393 | cloning | 5 | 1.4K | 524 | 173 |
| 394 | Public Policy | 51 | 1.4K | 259 | 280 |
| 395 | Mobile Computing | 43 | 1.4K | 151 | 145 |
| 395 | economic policy | 61 | 1.4K | 316 | 269 |
| 397 | human development | 34 | 1.4K | 139 | 134 |
| 398 | health services | 40 | 1.4K | 166 | 127 |
| 399 | intergroup relations | 29 | 1.4K | 10 | 10 |
| 400 | visualization | 44 | 1.4K | 271 | 124 |
| 401 | drug development | 11 | 1.4K | 459 | 315 |
| 402 | Intellectual disability | 30 | 1.4K | 176 | 111 |
| 403 | Diabetes mellitus | 28 | 1.4K | 612 | 643 |
| 404 | Immunity | 14 | 1.4K | 903 | 857 |
| 405 | Forest Management | 26 | 1.4K | 237 | 182 |
| 406 | Hydraulic Engineering | 24 | 1.4K | 254 | 132 |
| 407 | Numerical Analysis | 61 | 1.4K | 305 | 267 |
| 408 | Australia | 42 | 1.4K | 311 | 187 |
| 409 | Nuclear Engineering | 79 | 1.3K | 258 | 212 |
| 410 | Urban Economics | 20 | 1.3K | 66 | 62 |
| 410 | urban population | 20 | 1.3K | 38 | 44 |
| 412 | Pediatrics | 22 | 1.3K | 882 | 705 |
| 413 | Aging | 46 | 1.3K | 603 | 632 |
| 414 | enzymes | 38 | 1.3K | 263 | 283 |
| 415 | working class | 22 | 1.3K | 20 | 32 |
| 416 | Electrochemical Analysis | 31 | 1.3K | 352 | 211 |
| 417 | International Relations | 46 | 1.3K | 167 | 119 |
| 418 | Sites | 27 | 1.3K | 103 | 103 |
| 419 | global environmental change | 39 | 1.3K | 86 | 187 |
| 420 | Geometry | 82 | 1.3K | 71 | 46 |
| 420 | mass transfer | 57 | 1.3K | 246 | 370 |
| 422 | Analytical Biochemistry | 30 | 1.3K | 361 | 278 |
| 423 | Functional Analysis | 40 | 1.3K | 194 | 113 |
| 424 | labor | 19 | 1.3K | 34 | 32 |
| 425 | Plants | 16 | 1.3K | 889 | 600 |
| 426 | Cultural diversity | 27 | 1.3K | 13 | 15 |
| 426 | Neural circuitry | 36 | 1.3K | 377 | 364 |
| 428 | Educational Technology | 27 | 1.3K | 306 | 157 |
| 429 | commerce | 17 | 1.3K | 476 | 281 |
| 430 | Demography | 22 | 1.3K | 138 | 101 |
| 431 | Industrial Microbiology | 17 | 1.3K | 706 | 465 |
| 432 | Quantum Communication | 8 | 1.3K | 85 | 16 |
| 433 | Agricultural Ecology | 22 | 1.2K | 266 | 250 |
| 434 | Labor Economics | 18 | 1.2K | 104 | 55 |
| 435 | Environmental Psychology | 15 | 1.2K | 62 | 55 |
| 436 | Biosensors | 26 | 1.2K | 312 | 369 |
| 437 | Autism | 16 | 1.2K | 235 | 166 |
| 438 | Molecular Microbiology | 21 | 1.2K | 256 | 297 |
| 439 | Clinical Chemistry | 39 | 1.2K | 768 | 830 |
| 440 | Development Economics | 15 | 1.2K | 75 | 37 |
| 441 | Mental Disorders | 27 | 1.2K | 934 | 905 |
| 442 | Welfare Economics | 17 | 1.2K | 101 | 53 |
| 443 | Coastal zone management | 29 | 1.2K | 68 | 41 |
| 444 | Urban Areas | 10 | 1.2K | 53 | 6 |
| 445 | glycoproteins | 4 | 1.2K | 413 | 60 |
| 445 | Glycoconjugates | 4 | 1.2K | 413 | 60 |
| 445 | Oligosaccharide | 4 | 1.2K | 253 | 47 |
| 445 | Carbohydrates | 4 | 1.2K | 374 | 58 |
| 445 | glycolipids | 4 | 1.2K | 413 | 60 |
| 450 | Mass Media | 40 | 1.2K | 71 | 19 |
| 451 | Therapeutics | 14 | 1.2K | 774 | 486 |
| 452 | Organometallic compounds | 36 | 1.2K | 218 | 199 |
| 452 | Entomology | 36 | 1.2K | 573 | 402 |
| 454 | Parasitology | 52 | 1.2K | 386 | 437 |
| 455 | Adolescent Psychology | 32 | 1.2K | 150 | 165 |
| 456 | Engineering Mathematics | 27 | 1.2K | 440 | 219 |
| 457 | Systems Biology | 37 | 1.2K | 264 | 238 |
| 458 | nuclear magnetic resonance spectroscopy | 21 | 1.1K | 178 | 75 |
| 459 | medical education | 9 | 1.1K | 997 | 322 |
| 460 | foreign exchange | 6 | 1.1K | 206 | 38 |
| 461 | pollutants | 22 | 1.1K | 571 | 429 |
| 461 | Environmental pollutants | 22 | 1.1K | 712 | 511 |
| 463 | Measurement | 40 | 1.1K | 170 | 132 |
| 464 | Vocational Education | 26 | 1.1K | 89 | 35 |
| 465 | Parasitic Diseases | 45 | 1.1K | 301 | 424 |
| 466 | Marine resources | 24 | 1.1K | 95 | 60 |
| 467 | Marine Geophysics | 27 | 1.1K | 26 | 10 |
| 468 | Mental Health | 31 | 1.1K | 369 | 268 |
| 468 | freshwater biology | 30 | 1.1K | 131 | 146 |
| 470 | Architecture | 33 | 1.1K | 56 | 19 |
| 471 | Solar Energy | 13 | 1.1K | 790 | 418 |
| 472 | construction | 16 | 1.0K | 36 | 12 |
| 473 | Cartography | 30 | 1.0K | 38 | 9 |
| 474 | Game Theory | 31 | 1.0K | 78 | 63 |
| 475 | Molecular evolution | 27 | 1.0K | 370 | 442 |
| 476 | Histology | 38 | 1.0K | 414 | 528 |
| 477 | Computer Science | 34 | 1.0K | 368 | 212 |
| 478 | Physical organic chemistry | 27 | 1.0K | 326 | 205 |
| 479 | Calculus of Variations | 22 | 1.0K | 76 | 17 |
| 480 | peace | 17 | 1.0K | 130 | 89 |
| 481 | rehabilitation | 20 | 1.0K | 767 | 558 |
| 482 | Genetic therapy | 9 | 1.0K | 692 | 311 |
| 483 | Water quality management | 41 | 999 | 272 | 292 |
| 484 | Remote Sensing | 40 | 997 | 202 | 144 |
| 485 | Host-parasite interactions | 11 | 990 | 610 | 559 |
| 486 | Social Media | 21 | 988 | 7 | 6 |
| 487 | Fishery management | 12 | 984 | 327 | 120 |
| 488 | Freshwater invertebrates | 14 | 983 | 41 | 28 |
| 489 | adolescence | 28 | 975 | 207 | 225 |
| 490 | Geriatrics | 37 | 954 | 765 | 755 |
| 490 | Multivariate Analysis | 27 | 954 | 74 | 71 |
| 492 | Volcanoes | 19 | 947 | 67 | 42 |
| 493 | drug therapy | 10 | 945 | 1320 | 702 |
| 494 | Developmental Genetics | 21 | 937 | 171 | 274 |
| 494 | Quantum Optics | 39 | 937 | 108 | 119 |
| 494 | Social interaction | 24 | 937 | 36 | 39 |
| 497 | race relations | 61 | 932 | 22 | 57 |
| 498 | Performance | 13 | 926 | 80 | 49 |
| 499 | Culture | 48 | 914 | 131 | 110 |
| 500 | actuators | 22 | 913 | 784 | 699 |
| 500 | transducers | 22 | 913 | 784 | 699 |
| 502 | Fisheries Law | 4 | 902 | 109 | 24 |
| 502 | fisheries management | 4 | 902 | 109 | 24 |
| 504 | Atmospheric Chemistry | 12 | 896 | 476 | 422 |
| 505 | Cognitive Grammar | 8 | 892 | 11 | 1 |
| 506 | Culture techniques | 35 | 886 | 25 | 35 |
| 507 | probabilities | 83 | 885 | 112 | 162 |
| 508 | Manufacturing Processes | 22 | 884 | 844 | 634 |
| 509 | Telecommunications | 19 | 882 | 127 | 39 |
| 510 | gene mapping | 28 | 880 | 569 | 750 |
| 511 | Social policy | 26 | 879 | 194 | 116 |
| 512 | Algebra | 83 | 876 | 125 | 124 |
| 512 | Broadcasting | 18 | 876 | 21 | 16 |
| 512 | data protection | 13 | 876 | 120 | 32 |
| 515 | energy conservation | 17 | 870 | 737 | 754 |
| 516 | behavioral medicine | 18 | 863 | 426 | 422 |
| 517 | solar cells | 5 | 855 | 742 | 247 |
| 518 | Relationships | 13 | 850 | 26 | 22 |
| 519 | Research Design | 21 | 844 | 329 | 314 |
| 519 | Liposomes | 21 | 844 | 90 | 115 |
| 519 | Lipid bilayers | 21 | 844 | 75 | 108 |
| 522 | solar power | 4 | 842 | 765 | 215 |
| 523 | Pharmacogenetics | 8 | 839 | 597 | 280 |
| 523 | Neurolinguistics | 10 | 839 | 193 | 110 |
| 525 | Mathematical Economics | 11 | 837 | 106 | 101 |
| 526 | Computer Engineering | 40 | 835 | 54 | 52 |
| 527 | Health Education | 83 | 834 | 214 | 424 |
| 528 | Chromosome mapping | 24 | 833 | 558 | 633 |
| 529 | Photobiology | 9 | 832 | 688 | 217 |
| 530 | catalytic activity | 15 | 829 | 193 | 132 |
| 531 | individual differences | 15 | 826 | 50 | 37 |
| 532 | Geobiology | 34 | 825 | 45 | 79 |
| 533 | natural products | 13 | 820 | 813 | 376 |
| 534 | Superconductors | 40 | 817 | 241 | 190 |
| 535 | Cosmology | 25 | 810 | 108 | 122 |
| 535 | Water Microbiology | 12 | 810 | 94 | 41 |
| 537 | Economic planning | 23 | 809 | 53 | 52 |
| 538 | Sedimentology | 23 | 808 | 105 | 126 |
| 539 | Socioeconomic Factors | 20 | 803 | 183 | 123 |
| 540 | Bioinorganic chemistry | 34 | 799 | 272 | 311 |
| 541 | Risk | 15 | 792 | 157 | 129 |
| 542 | Microstructure | 60 | 781 | 16 | 27 |
| 543 | Land use | 36 | 778 | 124 | 233 |
| 544 | Computer Architecture | 39 | 776 | 51 | 48 |
| 545 | Gerontology | 33 | 766 | 476 | 445 |
| 546 | Microwave devices | 28 | 763 | 91 | 86 |
| 547 | Obstetrics | 12 | 759 | 1298 | 733 |
| 548 | Great Lakes | 18 | 758 | 60 | 49 |
| 549 | Latin America | 30 | 756 | 229 | 61 |
| 550 | Community Psychiatry | 12 | 755 | 412 | 268 |
| 551 | mycoses | 7 | 753 | 487 | 371 |
| 551 | Bacterial infections | 7 | 753 | 491 | 362 |
| 551 | China | 41 | 753 | 636 | 698 |
| 554 | Parasites | 26 | 748 | 400 | 378 |
| 555 | Earthquakes | 22 | 743 | 90 | 65 |
| 556 | Environmental Economics | 21 | 736 | 32 | 51 |
| 557 | behavior therapy | 22 | 735 | 257 | 267 |
| 558 | Marine Geology | 13 | 731 | 233 | 149 |
| 558 | Petroleum Geology | 13 | 731 | 218 | 154 |
| 560 | Metabolism | 8 | 729 | 1795 | 1273 |
| 561 | Liquid Crystals | 36 | 723 | 171 | 72 |
| 561 | Virulence | 10 | 723 | 613 | 614 |
| 563 | Metallography | 21 | 718 | 213 | 157 |
| 564 | polar regions | 16 | 709 | 200 | 114 |
| 565 | Ornithology | 34 | 704 | 198 | 197 |
| 566 | Marine Pollution | 19 | 701 | 384 | 409 |
| 566 | Recycling | 14 | 701 | 165 | 240 |
| 568 | Biodegradation | 9 | 700 | 298 | 120 |
| 568 | Fouling | 9 | 700 | 66 | 36 |
| 570 | Structural Equation Modeling | 18 | 695 | 16 | 42 |
| 571 | Systems Analysis | 76 | 692 | 33 | 173 |
| 572 | violence | 26 | 691 | 236 | 264 |
| 573 | Imaging systems | 39 | 690 | 48 | 51 |
| 574 | international cooperation | 14 | 689 | 179 | 132 |
| 575 | sedimentary basins | 15 | 688 | 35 | 38 |
| 576 | warfare | 10 | 687 | 117 | 82 |
| 577 | War and Society | 9 | 683 | 89 | 72 |
| 577 | cultural pluralism | 32 | 683 | 11 | 18 |
| 579 | Plate Tectonics | 20 | 682 | 47 | 37 |
| 579 | Language and Education | 17 | 682 | 4 | 4 |
| 581 | Ferroelectricity | 21 | 681 | 316 | 172 |
| 582 | Ecohydrology | 21 | 680 | 29 | 29 |
| 583 | Roads | 36 | 668 | 180 | 162 |
| 584 | finance | 18 | 667 | 924 | 682 |
| 585 | Oxidation | 9 | 665 | 66 | 30 |
| 585 | immigration | 6 | 665 | 88 | 42 |
| 585 | migration policy | 6 | 665 | 105 | 42 |
| 585 | Asylum seeker | 6 | 665 | 77 | 42 |
| 589 | motor skills | 12 | 662 | 51 | 39 |
| 590 | Landscape Ecology | 19 | 660 | 78 | 134 |
| 591 | Cytogenetics | 16 | 658 | 596 | 753 |
| 592 | Regional Economics | 18 | 653 | 71 | 57 |
| 593 | Vaccines | 10 | 652 | 1078 | 649 |
| 594 | Regionalism | 17 | 649 | 20 | 11 |
| 595 | Mycology | 23 | 645 | 494 | 569 |
| 596 | Biometrics | 20 | 643 | 365 | 317 |
| 597 | Ocean Engineering | 16 | 641 | 757 | 581 |
| 598 | Magnetohydrodynamics | 17 | 639 | 116 | 89 |
| 598 | ethnic groups | 21 | 639 | 38 | 32 |
| 598 | Atomic spectroscopy | 33 | 639 | 197 | 260 |
| 601 | Computer-Aided Design | 35 | 638 | 186 | 291 |
| 601 | software | 17 | 638 | 286 | 278 |
| 603 | Quantum Computing | 14 | 637 | 46 | 26 |
| 604 | Input-output analysis | 6 | 635 | 114 | 40 |
| 605 | microwave communication systems | 17 | 628 | 94 | 73 |
| 605 | economic conditions | 18 | 628 | 122 | 140 |
| 607 | Computer Literacy | 22 | 626 | 14 | 15 |
| 608 | population trends | 1 | 625 | 162 | 34 |
| 608 | Demographic research | 1 | 625 | 254 | 50 |
| 610 | Surface properties | 9 | 624 | 610 | 355 |
| 611 | older people | 28 | 621 | 421 | 319 |
| 612 | Birth control | 15 | 620 | 136 | 105 |
| 613 | Nanoelectronics | 37 | 617 | 138 | 122 |
| 614 | Tribology | 21 | 613 | 398 | 327 |
| 615 | Terahertz Technology | 10 | 609 | 47 | 21 |
| 616 | Antarctica | 12 | 607 | 177 | 59 |
| 616 | Laser Spectroscopy | 30 | 607 | 136 | 165 |
| 618 | Topology | 33 | 600 | 29 | 20 |
| 619 | Environmentalism | 12 | 597 | 23 | 33 |
| 620 | atmospheric models | 12 | 593 | 316 | 309 |
| 621 | Humanities | 17 | 592 | 501 | 161 |
| 621 | Environmental Geology | 15 | 592 | 617 | 477 |
| 623 | Educational Anthropology | 22 | 591 | 12 | 14 |
| 624 | Economic Thought | 13 | 590 | 79 | 133 |
| 624 | school environment | 17 | 590 | 3 | 4 |
| 626 | Human genetics | 4 | 588 | 1969 | 2095 |
| 627 | motivation | 17 | 581 | 73 | 95 |
| 628 | natural disasters | 17 | 579 | 365 | 361 |
| 629 | Human evolution | 8 | 577 | 218 | 158 |
| 629 | homosexuality | 16 | 577 | 80 | 70 |
| 631 | Intelligence | 8 | 574 | 117 | 89 |
| 632 | biocatalysis | 8 | 572 | 71 | 207 |
| 632 | Homogeneous catalysis | 8 | 572 | 71 | 207 |
| 632 | Heterogeneous catalysis | 8 | 572 | 71 | 207 |
| 635 | infection | 7 | 570 | 1182 | 728 |
| 635 | Primates | 21 | 570 | 183 | 186 |
| 637 | Quantitative Research | 18 | 568 | 57 | 74 |
| 638 | Nanophotonics | 9 | 559 | 86 | 55 |
| 639 | Aquaculture | 23 | 558 | 446 | 475 |
| 640 | Phonetics | 9 | 555 | 144 | 86 |
| 641 | Catalysts | 13 | 554 | 217 | 156 |
| 642 | Ethnology | 61 | 553 | 128 | 241 |
| 643 | Obesity | 6 | 552 | 1471 | 930 |
| 643 | Cosmochemistry | 17 | 552 | 300 | 329 |
| 645 | Nonverbal Communication | 13 | 551 | 41 | 50 |
| 645 | Body language | 13 | 551 | 10 | 25 |
| 647 | exobiology | 7 | 545 | 139 | 100 |
| 648 | Hypertension | 8 | 544 | 1023 | 1010 |
| 649 | Cognitive Therapy | 12 | 543 | 239 | 174 |
| 650 | Substance Abuse | 22 | 542 | 469 | 491 |
| 651 | nuclear astrophysics | 7 | 541 | 273 | 142 |
| 651 | Child welfare | 24 | 541 | 284 | 273 |
| 653 | analysis | 16 | 540 | 81 | 107 |
| 654 | Radiography | 32 | 533 | 183 | 444 |
| 654 | Symbolic interactionism | 9 | 533 | 31 | 6 |
| 656 | Plant diseases | 10 | 529 | 1116 | 702 |
| 657 | Optoelectronic devices | 22 | 528 | 177 | 86 |
| 658 | micromechanics | 18 | 527 | 167 | 155 |
| 659 | international trade | 7 | 526 | 389 | 178 |
| 660 | Youth | 20 | 523 | 178 | 263 |
| 661 | Gender Studies | 9 | 519 | 207 | 85 |
| 661 | Queer Studies | 9 | 519 | 79 | 51 |
| 663 | rivers | 10 | 514 | 89 | 59 |
| 664 | Regional Development | 14 | 512 | 50 | 49 |
| 665 | Politics | 26 | 511 | 105 | 134 |
| 665 | government | 26 | 511 | 135 | 174 |
| 667 | Development planning | 13 | 510 | 39 | 41 |
| 668 | Aggression | 12 | 508 | 163 | 161 |
| 669 | movement | 2 | 507 | 406 | 77 |
| 670 | Mechanical Engineering | 19 | 505 | 1044 | 681 |
| 671 | Food | 13 | 502 | 1528 | 1421 |
| 672 | Social work | 25 | 501 | 402 | 358 |
| 673 | Cardiovascular system | 5 | 500 | 1245 | 1068 |
| 674 | Mental illness | 15 | 497 | 874 | 1069 |
| 675 | Physical Geography | 5 | 493 | 331 | 101 |
| 676 | Public Choice | 14 | 492 | 90 | 84 |
| 676 | Group decision making | 14 | 492 | 122 | 114 |
| 678 | Production Management | 7 | 489 | 705 | 618 |
| 679 | Stochastic Processes | 36 | 488 | 75 | 139 |
| 680 | impact | 11 | 487 | 138 | 125 |
| 681 | Informatics | 15 | 481 | 256 | 289 |
| 682 | Organizational Behavior | 13 | 479 | 220 | 292 |
| 683 | Socialization | 15 | 478 | 153 | 210 |
| 684 | Radiation | 24 | 476 | 691 | 715 |
| 684 | Uncertainty | 7 | 476 | 71 | 56 |
| 686 | Infections | 4 | 470 | 1064 | 636 |
| 687 | RNA | 4 | 462 | 456 | 239 |
| 688 | Public Speaking | 11 | 460 | 59 | 26 |
| 689 | Telecommunication Systems | 17 | 456 | 569 | 414 |
| 689 | Restoration Ecology | 27 | 456 | 41 | 130 |
| 689 | Oncogenes | 5 | 456 | 947 | 871 |
| 692 | Identity | 11 | 452 | 15 | 20 |
| 692 | Reading | 17 | 452 | 163 | 170 |
| 692 | Self | 11 | 452 | 34 | 24 |
| 695 | Chemical analysis | 14 | 451 | 432 | 433 |
| 696 | Marine Meteorology | 9 | 449 | 207 | 182 |
| 696 | Tourism | 7 | 449 | 984 | 748 |
| 696 | multimedia | 16 | 449 | 169 | 206 |
| 696 | Interactive multimedia | 17 | 449 | 168 | 210 |
| 700 | United Kingdom | 13 | 446 | 712 | 779 |
| 701 | role | 12 | 443 | 144 | 175 |
| 702 | Gene expression regulation | 11 | 442 | 447 | 503 |
| 702 | Food Security | 6 | 442 | 75 | 42 |
| 704 | Public Administration | 15 | 439 | 520 | 399 |
| 705 | Quality of life | 10 | 438 | 729 | 670 |
| 706 | Microorganisms | 7 | 432 | 663 | 589 |
| 707 | Diagnostic Imaging | 31 | 431 | 505 | 864 |
| 708 | Smart Materials | 16 | 424 | 294 | 312 |
| 709 | Groundwater | 15 | 423 | 178 | 183 |
| 710 | Pharmacognosy | 10 | 419 | 999 | 874 |
| 711 | Fungi | 7 | 417 | 687 | 529 |
| 711 | brain mapping | 12 | 417 | 296 | 385 |
| 713 | Information Systems | 9 | 416 | 717 | 482 |
| 713 | Semantic web | 2 | 416 | 140 | 33 |
| 715 | Integrated Circuits | 35 | 415 | 106 | 80 |
| 716 | Documentation | 6 | 410 | 160 | 92 |
| 716 | Protein engineering | 5 | 410 | 169 | 97 |
| 716 | molecular design | 6 | 410 | 164 | 98 |
| 719 | speech therapy | 15 | 405 | 142 | 116 |
| 719 | Sports | 17 | 405 | 775 | 765 |
| 721 | Popular culture | 29 | 403 | 40 | 40 |
| 721 | Post-traumatic stress disorder | 21 | 403 | 212 | 347 |
| 723 | Health Services Research | 4 | 402 | 1608 | 654 |
| 724 | Forensic Psychiatry | 5 | 401 | 417 | 138 |
| 724 | Organic Geochemistry | 7 | 401 | 228 | 207 |
| 724 | Family | 19 | 401 | 300 | 336 |
| 727 | Porous materials | 8 | 400 | 367 | 134 |
| 728 | Engineering Geology | 9 | 399 | 830 | 633 |
| 728 | Health promotion | 11 | 399 | 526 | 445 |
| 730 | Molecular Pharmacology | 10 | 398 | 361 | 422 |
| 730 | biological factors | 2 | 398 | 2425 | 830 |
| 732 | Forensic Psychology | 4 | 397 | 320 | 83 |
| 733 | Criminology | 16 | 393 | 351 | 315 |
| 733 | DNA | 10 | 393 | 225 | 135 |
| 735 | Synthetic biology | 12 | 390 | 112 | 103 |
| 736 | Environmental Law | 6 | 387 | 773 | 790 |
| 736 | Bilingual Education | 9 | 387 | 19 | 10 |
| 738 | Intelligent Transportation Systems | 16 | 384 | 401 | 560 |
| 739 | Respiration | 14 | 382 | 662 | 756 |
| 740 | Medical Anthropology | 17 | 381 | 432 | 739 |
| 740 | Laser therapy | 1 | 381 | 903 | 59 |
| 740 | Social Change | 17 | 381 | 263 | 581 |
| 743 | Computational Chemistry | 17 | 380 | 154 | 288 |
| 743 | Medical genetics | 10 | 380 | 1643 | 1886 |
| 745 | Geodesy | 8 | 379 | 345 | 188 |
| 746 | Europe | 24 | 374 | 1051 | 1239 |
| 747 | Religion | 101 | 372 | 31 | 91 |
| 748 | Neurogenetics | 5 | 370 | 199 | 69 |
| 748 | environmental indicators | 10 | 370 | 570 | 591 |
| 750 | Probability | 18 | 369 | 150 | 233 |
| 750 | Bones | 2 | 369 | 995 | 489 |
| 752 | Alloys | 11 | 367 | 83 | 26 |
| 753 | Speech Perception | 22 | 366 | 72 | 185 |
| 753 | auditory perception | 23 | 366 | 79 | 206 |
| 755 | Ergonomics | 18 | 363 | 359 | 356 |
| 755 | Combustion | 18 | 363 | 477 | 590 |
| 755 | Immune system | 2 | 363 | 1312 | 875 |
| 758 | North America | 20 | 361 | 220 | 221 |
| 759 | ethnicity | 41 | 359 | 44 | 124 |
| 760 | Economic Theory | 9 | 357 | 29 | 23 |
| 761 | Crystallography | 24 | 356 | 531 | 439 |
| 761 | Nitric oxide | 5 | 356 | 140 | 68 |
| 763 | Nonlinear functional analysis | 19 | 355 | 303 | 308 |
| 763 | industrial relations | 11 | 355 | 373 | 247 |
| 765 | Business Ethics | 10 | 352 | 445 | 674 |
| 765 | health planning | 21 | 352 | 683 | 801 |
| 767 | Microprocessors | 21 | 351 | 110 | 122 |
| 768 | Urban Policy | 10 | 350 | 345 | 304 |
| 769 | Communication in politics | 13 | 347 | 38 | 38 |
| 770 | Lipids | 3 | 346 | 1399 | 773 |
| 771 | Wetland ecology | 6 | 345 | 241 | 144 |
| 771 | Wetland conservation | 5 | 345 | 180 | 107 |
| 771 | Wetlands | 5 | 345 | 183 | 107 |
| 774 | Technological Innovations | 19 | 344 | 232 | 425 |
| 775 | Superconductivity | 10 | 341 | 240 | 159 |
| 776 | Petroleum Engineering | 3 | 340 | 826 | 325 |
| 776 | Written communication | 8 | 340 | 30 | 32 |
| 778 | Environmental Toxicology | 15 | 338 | 1048 | 1453 |
| 778 | Ethnoarchaeology | 17 | 338 | 22 | 60 |
| 778 | Biomechanics | 15 | 338 | 531 | 678 |
| 781 | Genes | 16 | 337 | 371 | 478 |
| 782 | Intercultural Communication | 11 | 336 | 119 | 110 |
| 782 | Metabolic diseases | 3 | 336 | 2312 | 1656 |
| 782 | Ultrasonics | 25 | 336 | 278 | 636 |
| 785 | Epidemiology | 14 | 335 | 1797 | 1977 |
| 786 | Rural Development | 6 | 334 | 300 | 196 |
| 787 | Drug design | 6 | 333 | 1110 | 785 |
| 788 | Kinetics | 29 | 330 | 31 | 115 |
| 788 | Number Theory | 30 | 330 | 133 | 79 |
| 788 | Chemical kinetics | 29 | 330 | 74 | 104 |
| 791 | Societies | 13 | 329 | 25 | 2 |
| 792 | Bioenergetics | 8 | 326 | 455 | 445 |
| 793 | biological monitoring | 5 | 325 | 372 | 181 |
| 794 | Hematology | 5 | 324 | 2235 | 1714 |
| 794 | families | 21 | 324 | 232 | 275 |
| 796 | Human Rights | 10 | 323 | 227 | 134 |
| 797 | Cryptography | 5 | 322 | 473 | 113 |
| 797 | Cross-Cultural Studies | 9 | 322 | 309 | 219 |
| 797 | mammals | 11 | 322 | 453 | 407 |
| 800 | Serology | 1 | 321 | 954 | 143 |
| 800 | Semiconductor industry | 14 | 321 | 235 | 174 |
| 802 | Structural design | 15 | 320 | 250 | 317 |
| 803 | Speech-Language Pathology | 6 | 319 | 168 | 72 |
| 803 | recreation | 62 | 319 | 49 | 194 |
| 805 | Mesoporous materials | 8 | 318 | 36 | 39 |
| 806 | Risk Management | 8 | 316 | 360 | 272 |
| 806 | Financial management | 8 | 316 | 239 | 274 |
| 806 | Marine mammals | 3 | 316 | 251 | 96 |
| 809 | women | 24 | 315 | 142 | 164 |
| 810 | consumer behavior | 3 | 313 | 526 | 277 |
| 811 | Emotion | 7 | 312 | 92 | 124 |
| 812 | Kidney diseases | 8 | 311 | 599 | 511 |
| 813 | Nuclear Fusion | 7 | 306 | 429 | 257 |
| 814 | Memory disorders | 5 | 305 | 190 | 108 |
| 815 | Mechatronics | 4 | 301 | 817 | 420 |
| 815 | Evolutionary Psychology | 12 | 301 | 23 | 28 |
| 817 | planning | 10 | 299 | 275 | 179 |
| 818 | Health Policy | 18 | 296 | 808 | 1133 |
| 819 | Information Technology | 7 | 295 | 1666 | 1182 |
| 820 | Applied Linguistics | 13 | 294 | 170 | 178 |
| 821 | Globalization | 23 | 293 | 67 | 202 |
| 821 | psychophysics | 17 | 293 | 69 | 84 |
| 821 | Ultrasound | 15 | 293 | 284 | 342 |
| 824 | Asia | 29 | 292 | 678 | 988 |
| 825 | Insects | 12 | 291 | 660 | 626 |
| 826 | eugenics | 6 | 290 | 339 | 222 |
| 827 | bioclimatology | 14 | 288 | 269 | 379 |
| 827 | educational innovations | 12 | 288 | 158 | 199 |
| 829 | Computational Linguistics | 5 | 287 | 375 | 70 |
| 830 | Social Issues | 8 | 286 | 121 | 119 |
| 831 | Production Engineering | 3 | 285 | 2074 | 844 |
| 831 | Oral communication | 17 | 285 | 90 | 151 |
| 831 | Student Health Services | 10 | 285 | 119 | 106 |
| 834 | Chemical Ecology | 7 | 282 | 296 | 298 |
| 834 | pheromones | 7 | 282 | 268 | 283 |
| 836 | Personality Assessment | 14 | 279 | 187 | 353 |
| 836 | Alzheimer's disease | 21 | 279 | 561 | 673 |
| 838 | Disability Studies | 5 | 277 | 153 | 39 |
| 839 | child abuse | 9 | 275 | 425 | 489 |
| 840 | Dementia | 20 | 274 | 553 | 610 |
| 840 | at-risk youth | 4 | 274 | 75 | 74 |
| 842 | cell movement | 8 | 273 | 96 | 131 |
| 843 | Flexible manufacturing systems | 3 | 272 | 397 | 145 |
| 843 | coastal areas | 12 | 272 | 14 | 13 |
| 843 | coastal archaeology | 12 | 272 | 14 | 13 |
| 843 | islands | 12 | 272 | 14 | 13 |
| 847 | Arts | 8 | 269 | 160 | 25 |
| 847 | Neurotoxicology | 4 | 269 | 481 | 310 |
| 849 | Audiology | 24 | 267 | 216 | 401 |
| 850 | Knowledge | 17 | 266 | 149 | 152 |
| 850 | Reproduction | 12 | 266 | 1194 | 1328 |
| 850 | viral genetics | 3 | 266 | 323 | 436 |
| 853 | Simulation Methods | 27 | 265 | 105 | 321 |
| 853 | educational planning | 3 | 265 | 385 | 179 |
| 855 | Interferons | 9 | 264 | 93 | 113 |
| 855 | Cytokine | 9 | 264 | 157 | 302 |
| 857 | food technology | 1 | 263 | 3728 | 1572 |
| 858 | Neuropharmacology | 6 | 262 | 395 | 326 |
| 858 | Literacy | 10 | 262 | 108 | 73 |
| 860 | Macroeconomics | 3 | 261 | 376 | 120 |
| 860 | soil management | 2 | 261 | 704 | 364 |
| 860 | Chemical industry | 3 | 261 | 1450 | 490 |
| 863 | Sports Medicine | 4 | 260 | 2166 | 1223 |
| 864 | Geochemical Modeling | 9 | 259 | 129 | 170 |
| 864 | geological modeling | 9 | 259 | 211 | 208 |
| 864 | urban forestry | 6 | 259 | 98 | 75 |
| 864 | World Wide Web | 7 | 259 | 182 | 99 |
| 868 | Marine invertebrates | 8 | 258 | 82 | 35 |
| 868 | Plant breeding | 5 | 258 | 615 | 404 |
| 868 | tillage | 1 | 258 | 755 | 298 |
| 868 | Breeding | 5 | 258 | 935 | 709 |
| 872 | Distributed Databases | 17 | 257 | 19 | 50 |
| 872 | animals | 11 | 257 | 584 | 479 |
| 872 | cytokines | 8 | 257 | 750 | 825 |
| 875 | Hydrometeorology | 7 | 256 | 118 | 186 |
| 875 | Synapses | 4 | 256 | 219 | 158 |
| 877 | Climate | 6 | 255 | 340 | 323 |
| 878 | Nuclear Energy | 35 | 254 | 264 | 423 |
| 879 | Nephrology | 4 | 253 | 512 | 432 |
| 879 | alcoholism | 12 | 253 | 697 | 865 |
| 881 | civil rights | 9 | 252 | 157 | 91 |
| 882 | Detectors | 11 | 250 | 770 | 726 |
| 882 | Nonlinear mechanics | 6 | 250 | 267 | 147 |
| 884 | Cognitive Behavioral Therapy | 4 | 248 | 136 | 74 |
| 885 | Differential Equations | 15 | 245 | 366 | 368 |
| 886 | curriculum evaluation | 12 | 243 | 100 | 123 |
| 887 | gene therapy | 2 | 239 | 1415 | 871 |
| 887 | gene transfer | 2 | 239 | 369 | 113 |
| 887 | genetic transformation | 2 | 239 | 369 | 113 |
| 890 | Chemical processes | 6 | 238 | 409 | 257 |
| 891 | Fractals | 13 | 234 | 420 | 533 |
| 892 | Morphology | 8 | 233 | 429 | 338 |
| 893 | Adaptive control systems | 14 | 230 | 165 | 185 |
| 893 | children | 13 | 230 | 153 | 278 |
| 895 | Discrete geometry | 13 | 229 | 60 | 68 |
| 896 | Pathology | 6 | 228 | 1658 | 1662 |
| 896 | Cytoskeleton | 11 | 228 | 89 | 149 |
| 898 | clay | 4 | 227 | 656 | 535 |
| 898 | clay minerals | 4 | 227 | 228 | 178 |
| 898 | disease vectors | 4 | 227 | 830 | 569 |
| 901 | Heterocyclic compounds | 21 | 226 | 237 | 288 |
| 902 | Law | 19 | 225 | 371 | 333 |
| 902 | Solitons | 12 | 225 | 450 | 551 |
| 902 | Chaos | 12 | 225 | 450 | 551 |
| 902 | Luminescence | 14 | 225 | 511 | 606 |
| 902 | men | 7 | 225 | 113 | 89 |
| 902 | masculinity | 7 | 225 | 13 | 31 |
| 908 | Earthquake Engineering | 12 | 223 | 688 | 864 |
| 908 | Electrophoresis | 8 | 223 | 1049 | 1019 |
| 908 | disarmament | 2 | 223 | 232 | 57 |
| 908 | Mental Health Services | 7 | 223 | 829 | 668 |
| 912 | Optoelectronics | 4 | 222 | 455 | 103 |
| 912 | Gene library | 2 | 222 | 119 | 55 |
| 914 | Scanning electron microscopy | 6 | 221 | 48 | 31 |
| 915 | Criminal psychology | 11 | 219 | 362 | 402 |
| 915 | Biomass Energy | 7 | 219 | 1693 | 1914 |
| 915 | Metallic Glasses | 3 | 219 | 479 | 273 |
| 918 | Phylogeny | 4 | 218 | 754 | 658 |
| 919 | Traffic Engineering | 3 | 217 | 425 | 265 |
| 919 | vibration | 13 | 217 | 503 | 673 |
| 921 | Entrepreneurship | 3 | 213 | 904 | 722 |
| 921 | Capital asset pricing model | 7 | 213 | 11 | 14 |
| 923 | Planetary Science | 5 | 212 | 386 | 224 |
| 923 | Sensor Networks | 9 | 212 | 73 | 75 |
| 925 | Portfolio Management | 2 | 211 | 461 | 113 |
| 925 | Investments | 2 | 211 | 801 | 170 |
| 927 | Energy metabolism | 5 | 210 | 437 | 476 |
| 927 | International Education | 5 | 210 | 134 | 78 |
| 927 | Infertility | 2 | 210 | 1129 | 835 |
| 927 | cell membrane | 5 | 210 | 422 | 461 |
| 927 | fertility | 2 | 210 | 1227 | 886 |
| 932 | History | 128 | 209 | 77 | 157 |
| 932 | Eating Disorders | 3 | 209 | 860 | 527 |
| 932 | Chromosomes | 11 | 209 | 473 | 724 |
| 935 | Cell death | 5 | 208 | 1042 | 1171 |
| 936 | Hemodynamics | 2 | 203 | 758 | 600 |
| 936 | Multilingualism | 14 | 203 | 38 | 109 |
| 936 | Strategic planning | 5 | 203 | 536 | 420 |
| 936 | Proteome | 5 | 203 | 967 | 978 |
| 940 | Feminism | 12 | 201 | 211 | 217 |
| 941 | Organometallic chemistry | 13 | 199 | 961 | 1049 |
| 942 | Real-time Data Processing | 3 | 198 | 99 | 47 |
| 942 | synthesis | 8 | 198 | 587 | 358 |
| 944 | Operator theory | 10 | 193 | 117 | 55 |
| 945 | Friction | 3 | 192 | 91 | 70 |
| 945 | Homeostasis | 1 | 192 | 776 | 855 |
| 945 | Semigroups | 9 | 192 | 91 | 21 |
| 945 | Cell metabolism | 1 | 192 | 1207 | 931 |
| 945 | conflict management | 8 | 192 | 111 | 157 |
| 950 | agricultural productivity | 5 | 191 | 41 | 31 |
| 951 | atmosphere | 10 | 190 | 354 | 529 |
| 951 | sports administration | 3 | 190 | 296 | 130 |
| 953 | Ethnic relations | 25 | 188 | 76 | 209 |
| 954 | crime | 9 | 187 | 341 | 327 |
| 954 | Zoonoses | 2 | 187 | 373 | 174 |
| 956 | Economic Geography | 5 | 186 | 220 | 189 |
| 956 | Vaccination | 1 | 186 | 582 | 179 |
| 956 | Electron Microscopy | 7 | 186 | 219 | 172 |
| 956 | Sexuality | 7 | 186 | 143 | 108 |
| 956 | air | 3 | 186 | 157 | 159 |
| 961 | Ultrasonic Imaging | 14 | 185 | 160 | 295 |
| 962 | Nationalism | 6 | 184 | 206 | 88 |
| 962 | child mental health | 14 | 184 | 153 | 243 |
| 962 | Sedimentary rocks | 4 | 184 | 517 | 398 |
| 965 | Quality Control | 6 | 183 | 1236 | 1127 |
| 965 | Religion and Sociology | 11 | 183 | 47 | 33 |
| 965 | Gender identity | 7 | 183 | 132 | 71 |
| 965 | Paleopathology | 8 | 183 | 139 | 111 |
| 969 | emergency management | 6 | 181 | 401 | 426 |
| 970 | Anthropological Linguistics | 25 | 180 | 28 | 42 |
| 970 | Estuaries | 2 | 180 | 183 | 129 |
| 972 | Marine Biotechnology | 4 | 179 | 168 | 145 |
| 973 | Pediatric Neurology | 4 | 177 | 880 | 1166 |
| 974 | drug evaluation | 4 | 176 | 1295 | 933 |
| 975 | Marriage | 6 | 173 | 312 | 279 |
| 976 | Cognitive Psychology | 5 | 172 | 274 | 176 |
| 976 | Feminist theory | 5 | 172 | 115 | 74 |
| 976 | Adhesion | 2 | 172 | 938 | 331 |
| 976 | adhesives | 2 | 172 | 1003 | 335 |
| 980 | Nutrition | 6 | 170 | 3226 | 3386 |
| 980 | biofuels | 3 | 170 | 282 | 349 |
| 980 | Investment analysis | 2 | 170 | 1207 | 511 |
| 980 | Cerebellum | 1 | 170 | 567 | 194 |
| 980 | Cerebellar ataxia | 1 | 170 | 566 | 194 |
| 985 | System design | 6 | 169 | 83 | 86 |
| 985 | Combinatorial analysis | 18 | 169 | 328 | 363 |
| 987 | Educational Sociology | 8 | 168 | 130 | 139 |
| 987 | Allergy | 2 | 168 | 1468 | 1309 |
| 989 | phase diagrams | 3 | 167 | 175 | 80 |
| 990 | Happiness | 5 | 166 | 263 | 275 |
| 990 | Algal blooms | 4 | 166 | 234 | 262 |
| 990 | Cyanobacteria | 4 | 166 | 234 | 262 |
| 990 | microalgae | 4 | 166 | 234 | 262 |
| 994 | Organizational change | 5 | 165 | 506 | 424 |
| 994 | civilization | 38 | 165 | 139 | 136 |
| 994 | bees | 8 | 165 | 193 | 222 |
| 997 | Radio waves | 6 | 164 | 691 | 727 |
| 998 | Signal Transduction | 7 | 163 | 986 | 1354 |
| 998 | Open Access Publishing | 5 | 163 | 69 | 45 |
| 998 | Hematopoietic stem cell transplantation | 1 | 163 | 812 | 416 |