| 1 | Physics | 2,916 | 182.6K | 117 | 163 |
| 2 | Chemistry | 3,101 | 152.0K | 84 | 137 |
| 3 | Biology | 1,570 | 128.3K | 179 | 203 |
| 4 | Science | 1,415 | 117.7K | 213 | 220 |
| 5 | Biochemistry | 1,981 | 83.8K | 161 | 166 |
| 6 | Molecular Biology | 1,128 | 66.1K | 196 | 201 |
| 7 | Natural history | 168 | 52.4K | 279 | 226 |
| 8 | Medicine | 1,100 | 48.0K | 281 | 296 |
| 9 | Solid State Physics | 1,419 | 46.7K | 47 | 69 |
| 10 | Condensed Matter | 1,272 | 45.9K | 51 | 76 |
| 11 | Microbiology | 648 | 41.9K | 233 | 208 |
| 12 | Neurology | 730 | 40.6K | 220 | 215 |
| 13 | Ecology | 553 | 33.9K | 250 | 242 |
| 14 | Research | 975 | 33.0K | 231 | 242 |
| 15 | Cytology | 346 | 27.2K | 257 | 223 |
| 16 | Cell Biology | 288 | 25.0K | 256 | 233 |
| 17 | Botany | 714 | 25.0K | 70 | 125 |
| 18 | Biophysics | 676 | 24.0K | 180 | 177 |
| 19 | Geophysics | 646 | 23.5K | 115 | 128 |
| 20 | Nanotechnology | 339 | 23.2K | 314 | 232 |
| 21 | Virology | 324 | 22.5K | 137 | 169 |
| 22 | Nuclear Physics | 880 | 22.0K | 242 | 322 |
| 23 | Pollution | 221 | 20.2K | 416 | 239 |
| 24 | Statistical physics | 562 | 18.6K | 99 | 94 |
| 25 | Psychophysiology | 271 | 17.5K | 179 | 133 |
| 26 | Biotechnology | 205 | 17.1K | 483 | 293 |
| 27 | Animal Behavior | 212 | 16.6K | 109 | 59 |
| 28 | Psychology | 344 | 16.1K | 273 | 213 |
| 29 | Pharmacology | 587 | 16.1K | 191 | 249 |
| 30 | Psychiatry | 336 | 15.8K | 226 | 228 |
| 31 | Neurophysiology | 250 | 15.8K | 187 | 173 |
| 32 | Environment | 196 | 14.4K | 399 | 367 |
| 33 | Immunology | 313 | 14.0K | 185 | 232 |
| 34 | Geology | 342 | 13.5K | 153 | 150 |
| 35 | Physiology | 330 | 13.3K | 229 | 233 |
| 36 | Bioengineering | 147 | 12.8K | 377 | 252 |
| 37 | Materials | 222 | 12.3K | 670 | 504 |
| 38 | Human genetics | 108 | 11.9K | 250 | 340 |
| 39 | Environmental Health | 150 | 11.6K | 514 | 300 |
| 40 | Pharmaceutical Chemistry | 334 | 10.8K | 124 | 170 |
| 41 | Astronomy | 246 | 10.5K | 342 | 380 |
| 42 | drugs | 339 | 10.3K | 16 | 18 |
| 43 | Neuropsychology | 178 | 10.2K | 131 | 84 |
| 44 | Genetics | 166 | 9.8K | 315 | 330 |
| 45 | Toxicology | 304 | 9.8K | 195 | 235 |
| 46 | Catalysis | 256 | 9.6K | 299 | 348 |
| 47 | nucleic acids | 118 | 9.3K | 133 | 150 |
| 48 | Ethology | 115 | 9.1K | 151 | 104 |
| 49 | Geochemistry | 220 | 8.8K | 130 | 157 |
| 50 | Physical Chemistry | 245 | 8.8K | 54 | 100 |
| 51 | Polymers | 281 | 8.7K | 354 | 339 |
| 52 | Plant cells | 61 | 8.7K | 175 | 139 |
| 53 | Environmental Engineering | 68 | 8.6K | 533 | 231 |
| 54 | Meteorology | 183 | 8.6K | 159 | 167 |
| 55 | nanoscience | 94 | 8.6K | 356 | 213 |
| 56 | Earth Sciences | 202 | 8.3K | 157 | 173 |
| 57 | Biocompatible Materials | 166 | 8.2K | 380 | 394 |
| 58 | Economics | 305 | 8.0K | 252 | 239 |
| 59 | Brain | 157 | 8.0K | 258 | 219 |
| 60 | sanitation | 43 | 7.9K | 291 | 150 |
| 61 | Biodiversity conservation | 64 | 7.8K | 213 | 153 |
| 62 | Parasitology | 197 | 7.8K | 56 | 36 |
| 63 | Bioorganic chemistry | 166 | 7.7K | 144 | 107 |
| 64 | miniaturization | 83 | 7.6K | 192 | 148 |
| 65 | Planets | 192 | 7.6K | 123 | 145 |
| 66 | Mathematical Physics | 268 | 7.6K | 131 | 169 |
| 67 | Bacteriology | 125 | 7.4K | 153 | 151 |
| 68 | Materials Science | 152 | 7.3K | 517 | 454 |
| 69 | Cognitive neuroscience | 90 | 7.3K | 85 | 85 |
| 70 | Public Health | 236 | 7.3K | 359 | 384 |
| 71 | Organic Chemistry | 182 | 7.3K | 211 | 161 |
| 72 | Parasitic Diseases | 141 | 7.2K | 60 | 42 |
| 73 | Pharmacy | 275 | 7.0K | 51 | 61 |
| 74 | Behavior | 112 | 7.0K | 366 | 311 |
| 75 | biological evolution | 117 | 6.9K | 188 | 217 |
| 76 | Microbial Ecology | 125 | 6.9K | 164 | 226 |
| 77 | Comparative Physiology | 88 | 6.9K | 43 | 12 |
| 78 | Climate change | 42 | 6.9K | 153 | 133 |
| 78 | Eutrophication | 42 | 6.9K | 150 | 132 |
| 80 | Microelectronics | 70 | 6.8K | 245 | 142 |
| 81 | Endocrinology | 134 | 6.8K | 341 | 353 |
| 82 | human behavior | 92 | 6.8K | 283 | 229 |
| 83 | Molecular structure | 73 | 6.7K | 246 | 101 |
| 84 | management | 74 | 6.6K | 524 | 341 |
| 85 | Immunity | 93 | 6.5K | 198 | 265 |
| 86 | Biopharmaceutics | 108 | 6.4K | 20 | 13 |
| 87 | Neurons | 33 | 6.4K | 131 | 134 |
| 88 | Chemical Engineering | 63 | 6.4K | 1064 | 546 |
| 89 | Drug delivery systems | 40 | 6.4K | 208 | 56 |
| 90 | Europe | 305 | 6.3K | 96 | 120 |
| 91 | Environmental Chemistry | 66 | 6.3K | 184 | 168 |
| 92 | Hematology | 72 | 6.2K | 487 | 307 |
| 93 | Plants | 87 | 6.2K | 193 | 172 |
| 94 | Meteorites | 119 | 6.1K | 85 | 112 |
| 95 | Social Psychology | 113 | 6.1K | 236 | 214 |
| 96 | Neurobiology | 94 | 6.1K | 199 | 183 |
| 97 | Surface Chemistry | 172 | 6.0K | 355 | 356 |
| 98 | Mental Disorders | 126 | 5.8K | 271 | 284 |
| 99 | Metabolism | 111 | 5.8K | 339 | 347 |
| 100 | Mathematics | 523 | 5.8K | 303 | 382 |
| 101 | Cancer | 176 | 5.7K | 289 | 380 |
| 102 | Cognitive Science | 67 | 5.7K | 131 | 94 |
| 103 | polymerization | 171 | 5.5K | 417 | 380 |
| 104 | Medical genetics | 93 | 5.4K | 377 | 374 |
| 105 | Semantic web | 12 | 5.4K | 16 | 1 |
| 106 | Medical Microbiology | 132 | 5.3K | 160 | 226 |
| 107 | Nanostructured Materials | 218 | 5.3K | 184 | 309 |
| 108 | Computational Biology | 142 | 5.3K | 156 | 217 |
| 109 | Molecular Microbiology | 38 | 5.2K | 159 | 82 |
| 110 | Evolution | 87 | 5.2K | 217 | 228 |
| 111 | Atmospheric Physics | 132 | 5.2K | 148 | 171 |
| 112 | personality | 60 | 5.2K | 228 | 160 |
| 113 | Biodiversity | 90 | 5.1K | 169 | 148 |
| 114 | Colloids | 133 | 5.1K | 464 | 455 |
| 115 | Climatology | 117 | 5.0K | 145 | 162 |
| 116 | Psychopharmacology | 78 | 5.0K | 168 | 149 |
| 117 | Nervous system | 103 | 4.9K | 266 | 265 |
| 118 | Developmental Biology | 96 | 4.9K | 225 | 264 |
| 119 | Sociology | 234 | 4.8K | 138 | 235 |
| 120 | Surgery | 33 | 4.7K | 454 | 288 |
| 121 | Clinical Chemistry | 131 | 4.6K | 244 | 258 |
| 122 | Biochemical Engineering | 27 | 4.6K | 1076 | 525 |
| 123 | Pathology | 127 | 4.6K | 220 | 264 |
| 124 | environmental pollution | 100 | 4.5K | 556 | 525 |
| 125 | Solid State Chemistry | 248 | 4.4K | 64 | 106 |
| 126 | Spectrum analysis | 176 | 4.4K | 431 | 631 |
| 127 | Histology | 102 | 4.3K | 147 | 141 |
| 128 | viruses | 118 | 4.2K | 126 | 192 |
| 129 | Nonlinear Dynamics | 131 | 4.2K | 195 | 185 |
| 130 | soil microbiology | 52 | 4.2K | 204 | 164 |
| 131 | Molecules | 211 | 4.1K | 20 | 74 |
| 132 | cell membrane | 67 | 4.1K | 52 | 41 |
| 133 | Optics | 179 | 4.1K | 457 | 416 |
| 134 | Public opinion | 44 | 4.1K | 19 | 7 |
| 135 | Metabolic diseases | 81 | 4.0K | 329 | 363 |
| 136 | plant molecular biology | 50 | 4.0K | 257 | 239 |
| 137 | Leukemia | 25 | 4.0K | 292 | 137 |
| 138 | behavioral medicine | 81 | 4.0K | 109 | 126 |
| 139 | Energy Conversion | 21 | 4.0K | 391 | 192 |
| 140 | Bioenergetics | 63 | 4.0K | 63 | 49 |
| 141 | Energy metabolism | 61 | 4.0K | 57 | 45 |
| 142 | Plant physiology | 61 | 3.9K | 327 | 264 |
| 143 | United Kingdom | 81 | 3.9K | 166 | 149 |
| 144 | Bioinformatics | 91 | 3.8K | 177 | 213 |
| 145 | Astrophysics | 146 | 3.8K | 489 | 709 |
| 146 | Anatomy | 108 | 3.7K | 187 | 220 |
| 147 | Hydrology | 77 | 3.7K | 280 | 233 |
| 148 | Memory | 97 | 3.7K | 195 | 190 |
| 149 | Medical Laboratory Science | 44 | 3.7K | 341 | 215 |
| 150 | rehabilitation | 41 | 3.6K | 401 | 191 |
| 151 | Mental illness | 78 | 3.5K | 234 | 285 |
| 152 | Atmospheric Chemistry | 81 | 3.5K | 123 | 164 |
| 153 | Statistics | 184 | 3.5K | 171 | 241 |
| 154 | infection | 98 | 3.4K | 93 | 125 |
| 155 | Social behavior | 55 | 3.4K | 147 | 119 |
| 156 | Entomology | 79 | 3.4K | 272 | 139 |
| 157 | Electrochemistry | 161 | 3.4K | 480 | 517 |
| 158 | Business | 68 | 3.4K | 257 | 310 |
| 159 | Genomics | 86 | 3.3K | 369 | 355 |
| 160 | Magnetic Resonance Spectroscopy | 168 | 3.3K | 30 | 62 |
| 161 | Biomedical Engineering | 103 | 3.3K | 709 | 692 |
| 162 | nuclear magnetic resonance | 155 | 3.3K | 38 | 64 |
| 163 | Infections | 92 | 3.3K | 50 | 96 |
| 164 | Animal ecology | 45 | 3.3K | 202 | 115 |
| 165 | Cell differentiation | 46 | 3.3K | 309 | 311 |
| 166 | Cognition | 104 | 3.3K | 196 | 241 |
| 167 | Pharmaceutical Technology | 129 | 3.2K | 28 | 77 |
| 168 | Aging | 106 | 3.2K | 302 | 314 |
| 169 | Host-parasite interactions | 55 | 3.2K | 153 | 210 |
| 170 | Bacterial infections | 58 | 3.2K | 45 | 99 |
| 171 | arthritis | 73 | 3.2K | 155 | 186 |
| 172 | Political Science | 134 | 3.2K | 142 | 155 |
| 173 | Paleoecology | 70 | 3.1K | 85 | 68 |
| 174 | Embryology | 76 | 3.1K | 200 | 260 |
| 175 | Allergy | 59 | 3.1K | 154 | 238 |
| 176 | Environmental Policy | 73 | 3.1K | 414 | 459 |
| 177 | Mineralogy | 103 | 3.0K | 121 | 167 |
| 178 | Economic History | 182 | 3.0K | 166 | 239 |
| 179 | Nanostructures | 51 | 3.0K | 223 | 218 |
| 180 | Bioinorganic chemistry | 130 | 3.0K | 39 | 62 |
| 181 | Quantum theory | 67 | 3.0K | 65 | 34 |
| 182 | Parasites | 78 | 3.0K | 90 | 75 |
| 183 | Zoology | 75 | 3.0K | 335 | 218 |
| 184 | Rheumatology | 27 | 2.9K | 274 | 155 |
| 185 | Plant diseases | 34 | 2.9K | 455 | 173 |
| 186 | Education | 181 | 2.9K | 283 | 358 |
| 187 | Paleontology | 165 | 2.9K | 48 | 75 |
| 188 | genome | 61 | 2.9K | 166 | 274 |
| 189 | Quantum Gravity | 105 | 2.9K | 455 | 478 |
| 190 | Paleoclimatology | 71 | 2.9K | 100 | 105 |
| 191 | Analytical Chemistry | 115 | 2.9K | 633 | 758 |
| 192 | organization | 29 | 2.9K | 158 | 146 |
| 193 | Environmental monitoring | 77 | 2.8K | 487 | 572 |
| 194 | Crystallography | 140 | 2.8K | 48 | 75 |
| 195 | Chemical Ecology | 51 | 2.8K | 33 | 23 |
| 196 | Virulence | 53 | 2.8K | 143 | 199 |
| 197 | Mycology | 34 | 2.8K | 328 | 157 |
| 198 | Paleogeography | 61 | 2.7K | 77 | 75 |
| 199 | Organometallic compounds | 86 | 2.7K | 58 | 78 |
| 200 | Plant Ecology | 73 | 2.7K | 199 | 266 |
| 201 | gene therapy | 32 | 2.7K | 200 | 125 |
| 202 | Optical materials | 55 | 2.7K | 511 | 441 |
| 203 | Cardiovascular system | 35 | 2.6K | 352 | 356 |
| 204 | Obesity | 21 | 2.6K | 600 | 295 |
| 205 | Nutrition | 89 | 2.6K | 566 | 652 |
| 206 | Membranes | 69 | 2.6K | 243 | 294 |
| 207 | Perception | 72 | 2.6K | 264 | 251 |
| 208 | Geriatrics | 104 | 2.6K | 338 | 354 |
| 209 | Petrology | 77 | 2.6K | 118 | 168 |
| 210 | Social Sciences | 140 | 2.6K | 240 | 302 |
| 211 | Visual Perception | 79 | 2.6K | 193 | 189 |
| 211 | disease vectors | 61 | 2.6K | 53 | 46 |
| 213 | marketing | 48 | 2.5K | 351 | 319 |
| 214 | Health Policy | 86 | 2.5K | 239 | 221 |
| 215 | Critical Care | 49 | 2.5K | 272 | 331 |
| 215 | Critical Care Medicine | 49 | 2.5K | 278 | 333 |
| 217 | Learning | 58 | 2.5K | 176 | 201 |
| 218 | Hypertension | 46 | 2.5K | 312 | 355 |
| 219 | pheromones | 42 | 2.5K | 38 | 27 |
| 220 | Industrial Microbiology | 11 | 2.5K | 878 | 215 |
| 221 | free radicals | 40 | 2.5K | 213 | 211 |
| 222 | commerce | 61 | 2.5K | 94 | 177 |
| 223 | Neurochemistry | 72 | 2.5K | 391 | 418 |
| 224 | atmospheric models | 54 | 2.5K | 87 | 94 |
| 225 | plant communities | 32 | 2.4K | 225 | 170 |
| 226 | Solar System | 72 | 2.4K | 95 | 100 |
| 227 | Growth | 41 | 2.4K | 225 | 265 |
| 228 | Psycholinguistics | 39 | 2.4K | 168 | 134 |
| 229 | Fisheries | 20 | 2.4K | 478 | 146 |
| 230 | Animal Nutrition | 75 | 2.4K | 42 | 26 |
| 231 | Cerebral cortex | 49 | 2.4K | 139 | 154 |
| 232 | Bacteria | 29 | 2.3K | 35 | 32 |
| 233 | Geodynamics | 47 | 2.3K | 131 | 112 |
| 234 | Ophthalmology | 59 | 2.3K | 313 | 272 |
| 235 | Ethnology | 76 | 2.3K | 111 | 53 |
| 236 | Epidemiology | 98 | 2.2K | 417 | 525 |
| 237 | Biomechanics | 22 | 2.2K | 364 | 178 |
| 238 | Geometry | 138 | 2.2K | 26 | 23 |
| 239 | gene mapping | 46 | 2.2K | 308 | 316 |
| 240 | Organometallic chemistry | 117 | 2.2K | 59 | 73 |
| 241 | Molecular Genetics | 68 | 2.2K | 218 | 343 |
| 242 | Attention | 67 | 2.1K | 236 | 233 |
| 243 | Educational Psychology | 99 | 2.1K | 129 | 217 |
| 244 | Electrophoresis | 44 | 2.1K | 233 | 120 |
| 245 | Soil biology | 34 | 2.1K | 179 | 178 |
| 246 | Photonics | 31 | 2.1K | 541 | 375 |
| 246 | proteins | 80 | 2.1K | 204 | 280 |
| 248 | drug therapy | 65 | 2.1K | 354 | 326 |
| 249 | cell physiology | 23 | 2.1K | 435 | 295 |
| 250 | Light | 42 | 2.1K | 124 | 249 |
| 251 | Oxidation-reduction | 30 | 2.1K | 122 | 136 |
| 252 | Pharmacokinetics | 84 | 2.0K | 20 | 45 |
| 253 | Developing countries | 65 | 2.0K | 250 | 249 |
| 254 | Research Design | 32 | 2.0K | 222 | 166 |
| 255 | Chromosome mapping | 42 | 2.0K | 282 | 258 |
| 256 | Nanoparticles | 55 | 2.0K | 228 | 245 |
| 257 | language | 37 | 2.0K | 113 | 93 |
| 258 | Child Development | 73 | 2.0K | 270 | 342 |
| 259 | Neurolinguistics | 24 | 2.0K | 75 | 45 |
| 260 | Cytogenetics | 33 | 1.9K | 288 | 305 |
| 261 | Genetic engineering | 40 | 1.9K | 379 | 354 |
| 262 | Geomagnetism | 69 | 1.9K | 58 | 61 |
| 263 | Technology | 91 | 1.9K | 500 | 588 |
| 264 | Radiation | 35 | 1.9K | 454 | 182 |
| 265 | Therapeutics | 28 | 1.9K | 407 | 297 |
| 266 | Physical Therapy | 8 | 1.9K | 681 | 192 |
| 266 | Tropical Medicine | 54 | 1.9K | 192 | 129 |
| 268 | biological factors | 56 | 1.8K | 200 | 236 |
| 269 | Genetic regulation | 27 | 1.8K | 232 | 213 |
| 270 | Fungi | 26 | 1.8K | 246 | 152 |
| 271 | Marine Biology | 63 | 1.8K | 451 | 468 |
| 271 | Liposomes | 24 | 1.8K | 80 | 59 |
| 273 | Geomorphology | 57 | 1.8K | 170 | 229 |
| 274 | Physical organic chemistry | 58 | 1.8K | 126 | 96 |
| 275 | Lipid bilayers | 23 | 1.8K | 70 | 56 |
| 276 | Health | 59 | 1.8K | 298 | 302 |
| 276 | Communication | 74 | 1.8K | 243 | 324 |
| 278 | Chromosomes | 56 | 1.8K | 81 | 109 |
| 279 | Molecular evolution | 56 | 1.8K | 168 | 279 |
| 280 | Speech Disorders | 20 | 1.8K | 323 | 148 |
| 280 | Speech | 20 | 1.8K | 258 | 117 |
| 282 | Geography | 66 | 1.8K | 296 | 344 |
| 282 | Computer Graphics | 36 | 1.8K | 374 | 239 |
| 284 | Diagnostic microbiology | 29 | 1.8K | 264 | 287 |
| 285 | Discrete geometry | 84 | 1.8K | 5 | 12 |
| 286 | Environmental Microbiology | 44 | 1.7K | 161 | 278 |
| 287 | Combinatorial analysis | 111 | 1.7K | 47 | 52 |
| 288 | Plant Taxonomy | 115 | 1.7K | 6 | 17 |
| 289 | Environmental Management | 45 | 1.7K | 550 | 641 |
| 290 | United States | 94 | 1.7K | 652 | 798 |
| 291 | Water pollution | 25 | 1.6K | 864 | 620 |
| 292 | Europa | 40 | 1.6K | 35 | 32 |
| 293 | Clinical Psychology | 31 | 1.6K | 316 | 298 |
| 294 | Philosophy | 140 | 1.6K | 136 | 129 |
| 295 | Econometrics | 40 | 1.6K | 264 | 216 |
| 296 | Photochemistry | 60 | 1.6K | 143 | 187 |
| 297 | Bones | 15 | 1.6K | 265 | 150 |
| 298 | Artificial Intelligence | 43 | 1.6K | 923 | 774 |
| 299 | Oxidative stress | 21 | 1.6K | 138 | 122 |
| 300 | Signal Transduction | 37 | 1.6K | 255 | 322 |
| 301 | Water | 31 | 1.6K | 667 | 660 |
| 302 | Immunotherapy | 30 | 1.6K | 420 | 389 |
| 303 | Drug delivery devices | 4 | 1.6K | 167 | 6 |
| 304 | Immune system | 22 | 1.6K | 252 | 324 |
| 305 | Soil Science | 36 | 1.5K | 388 | 315 |
| 306 | Emotions | 40 | 1.5K | 80 | 128 |
| 307 | nuclear magnetic resonance spectroscopy | 36 | 1.5K | 87 | 54 |
| 308 | International Relations | 101 | 1.5K | 70 | 115 |
| 309 | Food | 31 | 1.5K | 831 | 644 |
| 310 | protein | 59 | 1.5K | 121 | 202 |
| 311 | Phylogeny | 41 | 1.5K | 90 | 138 |
| 312 | Teratology | 25 | 1.5K | 43 | 33 |
| 313 | Asia | 49 | 1.5K | 362 | 206 |
| 314 | Medical innovations | 25 | 1.4K | 179 | 275 |
| 315 | natural disasters | 35 | 1.4K | 141 | 136 |
| 316 | Genetic therapy | 28 | 1.4K | 236 | 195 |
| 317 | mutation | 44 | 1.4K | 37 | 72 |
| 318 | Energy Policy | 20 | 1.4K | 972 | 708 |
| 318 | Gene expression regulation | 22 | 1.4K | 213 | 181 |
| 320 | Germany | 217 | 1.4K | 6 | 3 |
| 321 | Diagnostic Imaging | 65 | 1.4K | 255 | 353 |
| 322 | Biogeochemistry | 35 | 1.4K | 242 | 297 |
| 323 | energy resources | 17 | 1.4K | 442 | 382 |
| 324 | emergency management | 31 | 1.4K | 45 | 40 |
| 325 | brain mapping | 41 | 1.4K | 88 | 148 |
| 326 | freshwater biology | 30 | 1.4K | 131 | 110 |
| 327 | Green Chemistry | 27 | 1.4K | 499 | 480 |
| 328 | biopolymers | 57 | 1.4K | 158 | 214 |
| 329 | Soil ecology | 19 | 1.3K | 183 | 106 |
| 330 | psychotherapy | 53 | 1.3K | 214 | 311 |
| 331 | city planning | 27 | 1.3K | 396 | 233 |
| 332 | Developmental Genetics | 17 | 1.3K | 147 | 171 |
| 333 | fuel cells | 16 | 1.3K | 474 | 351 |
| 334 | Molecular cloning | 26 | 1.3K | 313 | 194 |
| 334 | Genetic recombination | 26 | 1.3K | 299 | 190 |
| 334 | Recombinant DNA | 26 | 1.3K | 342 | 215 |
| 337 | Developmental Psychology | 63 | 1.3K | 130 | 248 |
| 338 | Agriculture | 28 | 1.3K | 485 | 372 |
| 339 | Transplantation | 41 | 1.3K | 217 | 296 |
| 340 | Journalism | 58 | 1.3K | 25 | 28 |
| 341 | ecosystem | 27 | 1.3K | 323 | 329 |
| 342 | Latin America | 55 | 1.3K | 156 | 51 |
| 342 | internet | 20 | 1.3K | 468 | 281 |
| 344 | Biogeography | 23 | 1.3K | 266 | 273 |
| 345 | Insects | 26 | 1.2K | 334 | 200 |
| 346 | Diabetes | 42 | 1.2K | 419 | 549 |
| 347 | viral genetics | 14 | 1.2K | 100 | 142 |
| 348 | Labor Economics | 28 | 1.2K | 59 | 52 |
| 348 | Diabetes mellitus | 40 | 1.2K | 403 | 527 |
| 350 | Environmental Geology | 39 | 1.2K | 199 | 211 |
| 351 | Vision | 20 | 1.2K | 218 | 163 |
| 352 | animal diseases | 42 | 1.2K | 55 | 43 |
| 353 | Electronics | 35 | 1.2K | 946 | 722 |
| 354 | Mass Spectrometry | 43 | 1.2K | 165 | 194 |
| 355 | preventive medicine | 55 | 1.2K | 151 | 249 |
| 356 | drug resistance | 40 | 1.2K | 36 | 62 |
| 357 | Pediatric Neurology | 20 | 1.2K | 304 | 367 |
| 358 | Clinical Immunology | 39 | 1.2K | 208 | 211 |
| 359 | Inflammation | 56 | 1.2K | 57 | 218 |
| 360 | Gerontology | 48 | 1.2K | 336 | 298 |
| 361 | Dynamics | 27 | 1.2K | 351 | 119 |
| 362 | solar cells | 23 | 1.2K | 159 | 147 |
| 363 | Regional Planning | 33 | 1.2K | 339 | 281 |
| 364 | Stem cells | 34 | 1.2K | 312 | 352 |
| 365 | Molecular ecology | 23 | 1.2K | 300 | 338 |
| 366 | Medical Anthropology | 38 | 1.2K | 231 | 317 |
| 367 | Post-traumatic stress disorder | 45 | 1.1K | 93 | 153 |
| 368 | human development | 28 | 1.1K | 168 | 166 |
| 369 | Oncology | 36 | 1.1K | 447 | 874 |
| 370 | Histochemistry | 36 | 1.1K | 139 | 143 |
| 371 | Child | 35 | 1.1K | 559 | 479 |
| 371 | Reproduction | 64 | 1.1K | 370 | 534 |
| 373 | Planetary Science | 47 | 1.1K | 59 | 60 |
| 374 | Medical Technology | 40 | 1.1K | 201 | 241 |
| 375 | Health Education | 25 | 1.1K | 512 | 336 |
| 376 | Informatics | 33 | 1.1K | 81 | 111 |
| 377 | Breeding | 47 | 1.1K | 179 | 222 |
| 378 | Oceanography | 52 | 1.1K | 322 | 451 |
| 379 | Numerical Analysis | 34 | 1.1K | 600 | 349 |
| 380 | Antarctica | 24 | 1.1K | 97 | 40 |
| 381 | Microscopy | 42 | 1.1K | 173 | 178 |
| 382 | Atomic spectroscopy | 68 | 1.1K | 64 | 162 |
| 383 | Economic Development | 31 | 1.1K | 329 | 378 |
| 384 | Biomass Energy | 7 | 1.1K | 1524 | 785 |
| 385 | Teaching | 27 | 1.1K | 433 | 290 |
| 385 | biocatalysis | 6 | 1.1K | 82 | 116 |
| 385 | Homogeneous catalysis | 6 | 1.1K | 82 | 116 |
| 385 | Heterogeneous catalysis | 6 | 1.1K | 82 | 116 |
| 389 | Sustainable Engineering | 18 | 1.0K | 551 | 424 |
| 390 | Surface properties | 23 | 1.0K | 218 | 196 |
| 391 | Molecular Pharmacology | 15 | 1.0K | 259 | 171 |
| 392 | Clinical Pharmacology | 37 | 1.0K | 233 | 237 |
| 392 | Statistical Mechanics | 28 | 1.0K | 129 | 93 |
| 394 | Hormones | 35 | 1.0K | 267 | 321 |
| 395 | Electrochemical Analysis | 42 | 1.0K | 262 | 282 |
| 396 | Oncogenes | 22 | 1.0K | 336 | 427 |
| 397 | Steroids | 24 | 1.0K | 242 | 171 |
| 398 | Agricultural Ecology | 16 | 997 | 311 | 268 |
| 399 | Data Mining | 28 | 987 | 292 | 360 |
| 400 | Chemotherapy | 23 | 986 | 376 | 276 |
| 401 | Quantum Computing | 30 | 980 | 16 | 20 |
| 402 | Urology | 34 | 959 | 405 | 427 |
| 403 | Crystallization | 39 | 953 | 25 | 38 |
| 404 | Computational Chemistry | 47 | 951 | 22 | 149 |
| 405 | Proteome | 30 | 950 | 213 | 305 |
| 406 | drug evaluation | 26 | 945 | 251 | 175 |
| 407 | Information Theory | 22 | 928 | 422 | 309 |
| 407 | Child psychology | 38 | 928 | 330 | 487 |
| 409 | Sustainable Development | 26 | 924 | 393 | 468 |
| 409 | Antigens | 23 | 924 | 200 | 154 |
| 411 | Differential Equations | 33 | 921 | 187 | 146 |
| 412 | Food Microbiology | 25 | 919 | 258 | 328 |
| 413 | Environmental Toxicology | 26 | 915 | 640 | 697 |
| 413 | environmental protection | 50 | 915 | 617 | 1018 |
| 415 | Medical Physics | 19 | 914 | 582 | 480 |
| 416 | Linguistics | 70 | 913 | 161 | 249 |
| 417 | mathematical analysis | 71 | 911 | 411 | 433 |
| 418 | Quality of life | 36 | 910 | 220 | 327 |
| 419 | Sports Medicine | 26 | 906 | 743 | 607 |
| 419 | economic policy | 99 | 906 | 171 | 378 |
| 421 | Plant Morphology | 40 | 902 | 37 | 47 |
| 422 | Microorganisms | 17 | 899 | 292 | 320 |
| 423 | Social Change | 18 | 897 | 251 | 283 |
| 424 | Biomolecules | 34 | 895 | 22 | 106 |
| 425 | Antibacterial agents | 24 | 891 | 93 | 103 |
| 426 | diseases | 2 | 888 | 392 | 309 |
| 426 | Disease | 2 | 888 | 380 | 311 |
| 428 | cytokines | 10 | 885 | 527 | 277 |
| 429 | Drug design | 27 | 884 | 279 | 311 |
| 430 | Public Administration | 21 | 872 | 425 | 276 |
| 430 | Soft Condensed Matter | 45 | 872 | 194 | 275 |
| 430 | Biometrics | 46 | 872 | 178 | 231 |
| 433 | Spine | 13 | 864 | 273 | 199 |
| 434 | Animal breeding | 41 | 859 | 132 | 144 |
| 435 | Photobiology | 22 | 853 | 275 | 223 |
| 436 | Muscles | 25 | 848 | 188 | 227 |
| 437 | Engineering | 43 | 847 | 975 | 954 |
| 438 | Work | 6 | 846 | 189 | 40 |
| 439 | Antibodies | 20 | 842 | 145 | 112 |
| 440 | Job satisfaction | 2 | 836 | 147 | 28 |
| 440 | job stress | 2 | 836 | 147 | 28 |
| 442 | International Finance | 31 | 832 | 381 | 388 |
| 443 | Algebra | 54 | 828 | 228 | 156 |
| 444 | mycoses | 12 | 825 | 268 | 293 |
| 445 | Solar Energy | 19 | 824 | 519 | 480 |
| 446 | Archaeology | 54 | 821 | 214 | 252 |
| 447 | Corporate governance | 12 | 820 | 141 | 66 |
| 448 | Cybernetics | 24 | 819 | 441 | 470 |
| 449 | Social History | 35 | 815 | 46 | 22 |
| 450 | Population Genetics | 21 | 798 | 369 | 415 |
| 451 | Proteomics | 22 | 788 | 235 | 280 |
| 452 | civil service | 14 | 780 | 108 | 76 |
| 453 | Neuroimmunology | 22 | 774 | 157 | 226 |
| 454 | Psychometrics | 29 | 772 | 86 | 135 |
| 455 | Neurosurgery | 47 | 769 | 124 | 296 |
| 455 | bioclimatology | 15 | 769 | 246 | 133 |
| 457 | solar power | 17 | 768 | 186 | 207 |
| 458 | Insect biochemistry | 18 | 762 | 105 | 102 |
| 459 | Internet of Things | 5 | 761 | 804 | 316 |
| 459 | Organizational Behavior | 15 | 761 | 201 | 222 |
| 461 | Metallurgy | 28 | 755 | 644 | 620 |
| 461 | animals | 35 | 755 | 186 | 184 |
| 463 | Sedimentary rocks | 11 | 753 | 235 | 117 |
| 464 | Substance Abuse | 27 | 752 | 365 | 346 |
| 465 | Autoimmunity | 19 | 748 | 210 | 245 |
| 466 | Lipids | 29 | 747 | 251 | 404 |
| 467 | Magnetic Materials | 18 | 746 | 587 | 411 |
| 468 | Dermatology | 26 | 742 | 500 | 474 |
| 469 | X-ray crystallography | 53 | 741 | 42 | 73 |
| 470 | Pediatrics | 23 | 740 | 713 | 757 |
| 471 | data collection | 21 | 739 | 211 | 286 |
| 472 | Business Ethics | 6 | 738 | 635 | 438 |
| 473 | food technology | 23 | 731 | 817 | 820 |
| 473 | Carbon | 27 | 731 | 292 | 554 |
| 475 | older people | 34 | 724 | 347 | 276 |
| 475 | Alzheimer's disease | 38 | 724 | 312 | 309 |
| 477 | drug development | 11 | 714 | 362 | 402 |
| 478 | environmental exposure | 32 | 713 | 360 | 539 |
| 479 | Veterinary Immunology | 18 | 711 | 86 | 63 |
| 479 | European integration | 21 | 711 | 42 | 43 |
| 479 | European Economic Community | 21 | 711 | 42 | 43 |
| 482 | bees | 22 | 706 | 69 | 74 |
| 483 | Human Geography | 29 | 703 | 255 | 263 |
| 484 | Community Psychiatry | 15 | 701 | 327 | 269 |
| 485 | Analytical Biochemistry | 22 | 700 | 450 | 425 |
| 486 | behavior therapy | 16 | 698 | 296 | 273 |
| 487 | Developmental Disabilities | 14 | 696 | 384 | 342 |
| 487 | Algae | 22 | 696 | 200 | 210 |
| 489 | Small Business | 9 | 693 | 356 | 344 |
| 490 | Environmentalism | 10 | 692 | 32 | 28 |
| 490 | Diet | 16 | 692 | 718 | 751 |
| 492 | Ore deposits | 25 | 683 | 110 | 133 |
| 493 | Economic Assistance | 27 | 682 | 115 | 224 |
| 494 | Psychoneuroimmunology | 18 | 681 | 159 | 227 |
| 494 | Sarcopenia | 20 | 681 | 45 | 109 |
| 496 | Cell death | 17 | 679 | 427 | 518 |
| 497 | Synaptic Transmission | 21 | 670 | 96 | 108 |
| 498 | Morphology | 28 | 669 | 150 | 141 |
| 499 | Hydrogeology | 27 | 667 | 86 | 115 |
| 500 | feeding behavior | 16 | 660 | 225 | 218 |
| 500 | catalytic activity | 20 | 660 | 151 | 186 |
| 502 | Leadership | 4 | 659 | 426 | 183 |
| 502 | global environmental change | 23 | 659 | 152 | 285 |
| 504 | Primates | 24 | 658 | 151 | 159 |
| 505 | Appetite | 15 | 657 | 188 | 184 |
| 506 | administrative agencies | 11 | 656 | 105 | 42 |
| 507 | Pharmacognosy | 27 | 650 | 471 | 637 |
| 508 | Microcirculation | 15 | 648 | 125 | 89 |
| 509 | radiative transfer | 12 | 636 | 240 | 129 |
| 509 | individual differences | 18 | 636 | 44 | 64 |
| 509 | China | 49 | 636 | 502 | 693 |
| 512 | Anxiety | 16 | 633 | 164 | 235 |
| 513 | Quantum Optics | 35 | 632 | 129 | 176 |
| 514 | Health Services Research | 36 | 625 | 314 | 396 |
| 515 | Obstetrics | 53 | 624 | 436 | 668 |
| 515 | Wildlife conservation | 13 | 624 | 435 | 421 |
| 517 | Hemodynamics | 18 | 619 | 218 | 292 |
| 517 | Japan | 20 | 619 | 483 | 298 |
| 519 | Signal Processing | 5 | 618 | 1811 | 933 |
| 520 | Wireless Communication Systems | 12 | 616 | 1165 | 733 |
| 521 | Decision making | 12 | 608 | 586 | 409 |
| 522 | health behavior | 12 | 605 | 355 | 244 |
| 523 | Emerging infectious diseases | 12 | 603 | 66 | 53 |
| 524 | magnetic resonance | 23 | 593 | 58 | 41 |
| 525 | Social interaction | 3 | 590 | 330 | 79 |
| 526 | Radiology | 14 | 585 | 568 | 304 |
| 526 | Combinatorial chemistry | 7 | 585 | 420 | 283 |
| 528 | NMR | 22 | 583 | 68 | 40 |
| 529 | Agricultural Chemistry | 15 | 581 | 878 | 782 |
| 530 | Systems Biology | 41 | 571 | 231 | 451 |
| 531 | violence | 13 | 567 | 392 | 323 |
| 532 | Democracy | 16 | 565 | 59 | 19 |
| 532 | Culture | 20 | 565 | 301 | 186 |
| 534 | Graph Theory | 53 | 561 | 66 | 99 |
| 534 | Cognitive Therapy | 11 | 561 | 257 | 185 |
| 536 | Primary health care | 35 | 560 | 342 | 415 |
| 536 | alcoholism | 22 | 560 | 429 | 484 |
| 538 | Lipid metabolism | 14 | 558 | 96 | 124 |
| 538 | Lipid | 14 | 558 | 96 | 125 |
| 540 | Urban Renewal | 6 | 555 | 38 | 8 |
| 540 | Developmental Immunology | 18 | 555 | 117 | 163 |
| 542 | food contamination | 11 | 552 | 343 | 141 |
| 543 | Liver diseases | 14 | 551 | 568 | 656 |
| 544 | Cheminformatics | 15 | 549 | 34 | 122 |
| 545 | Human-Computer Interaction | 19 | 547 | 432 | 448 |
| 546 | Social Movements | 46 | 545 | 3 | 6 |
| 547 | Immunopharmacology | 12 | 543 | 406 | 285 |
| 548 | Algorithms | 10 | 541 | 299 | 113 |
| 549 | Synchrotron Radiation | 21 | 534 | 70 | 58 |
| 550 | Plant Genetics | 10 | 531 | 304 | 311 |
| 551 | Respiration | 16 | 530 | 560 | 567 |
| 552 | Sports | 23 | 526 | 675 | 656 |
| 552 | enzymes | 26 | 526 | 379 | 544 |
| 554 | weather | 25 | 524 | 52 | 105 |
| 554 | pharmaceutical industry | 23 | 524 | 62 | 70 |
| 556 | Anthropology | 86 | 523 | 161 | 376 |
| 557 | lasers | 25 | 521 | 643 | 601 |
| 558 | Ethics | 20 | 519 | 231 | 173 |
| 559 | Fluid Mechanics | 3 | 518 | 1347 | 499 |
| 560 | Conservation Biology | 19 | 512 | 315 | 405 |
| 561 | Mites | 17 | 510 | 86 | 55 |
| 562 | Schizophrenia | 15 | 509 | 381 | 417 |
| 562 | Antioxidants | 10 | 509 | 334 | 400 |
| 564 | world | 12 | 508 | 263 | 311 |
| 565 | System analysis | 23 | 507 | 737 | 783 |
| 565 | curriculum evaluation | 14 | 507 | 89 | 58 |
| 567 | Astrocytes | 10 | 505 | 195 | 235 |
| 568 | Sleep | 32 | 503 | 375 | 509 |
| 569 | Blood vessels | 9 | 498 | 152 | 70 |
| 570 | Operations Research | 43 | 497 | 485 | 824 |
| 570 | Immunopathology | 23 | 497 | 384 | 491 |
| 572 | Sleep Disorders | 31 | 496 | 384 | 510 |
| 572 | Acarology | 14 | 496 | 60 | 43 |
| 572 | Ticks | 14 | 496 | 58 | 43 |
| 572 | Acari | 14 | 496 | 58 | 43 |
| 576 | Parenteral nutrition | 19 | 495 | 296 | 413 |
| 577 | pain | 19 | 492 | 453 | 550 |
| 578 | Environmental Education | 5 | 486 | 232 | 78 |
| 579 | Herbal medicine | 9 | 482 | 301 | 227 |
| 579 | Heart Failure | 5 | 482 | 269 | 180 |
| 579 | cryosphere | 8 | 482 | 197 | 151 |
| 582 | biological invasions | 10 | 478 | 229 | 180 |
| 583 | Online social networks | 13 | 475 | 51 | 32 |
| 583 | Genetic variation | 10 | 475 | 22 | 13 |
| 585 | environmental indicators | 14 | 474 | 381 | 460 |
| 585 | Anxiety Disorders | 9 | 474 | 244 | 274 |
| 587 | Project Management | 5 | 472 | 179 | 154 |
| 587 | Earthquakes | 20 | 472 | 88 | 80 |
| 589 | mental health promotion | 11 | 462 | 53 | 32 |
| 589 | Diplomatic relations | 25 | 462 | 135 | 55 |
| 591 | Biogeochemical cycles | 4 | 458 | 308 | 261 |
| 591 | Chromatographic analysis | 33 | 458 | 391 | 533 |
| 593 | Natural resources | 9 | 457 | 364 | 292 |
| 593 | Cytokine | 3 | 457 | 361 | 157 |
| 595 | Growth factors | 4 | 456 | 189 | 125 |
| 596 | Quality Control | 24 | 455 | 368 | 556 |
| 596 | Vocational guidance | 11 | 455 | 392 | 389 |
| 598 | innovation | 11 | 453 | 229 | 362 |
| 599 | Aggression | 5 | 452 | 330 | 190 |
| 600 | medical education | 27 | 451 | 436 | 528 |
| 601 | Social policy | 26 | 450 | 215 | 243 |
| 602 | Genetic translocation | 3 | 448 | 196 | 49 |
| 602 | plasmids | 3 | 448 | 196 | 49 |
| 602 | Aquatic ecology | 9 | 448 | 455 | 260 |
| 605 | Development | 16 | 446 | 227 | 322 |
| 606 | peace | 20 | 443 | 118 | 173 |
| 607 | visualization | 46 | 442 | 249 | 319 |
| 608 | industrial relations | 36 | 441 | 142 | 212 |
| 609 | Information Technology | 37 | 439 | 420 | 899 |
| 610 | Social problems | 21 | 438 | 136 | 240 |
| 611 | Nuclear Medicine | 24 | 437 | 267 | 346 |
| 611 | Infection control | 17 | 437 | 33 | 61 |
| 611 | sedimentary basins | 7 | 437 | 93 | 65 |
| 611 | Environmental pollutants | 31 | 437 | 479 | 975 |
| 615 | Energy Storage | 5 | 436 | 915 | 513 |
| 616 | Comparative Psychology | 4 | 431 | 99 | 64 |
| 617 | cloning | 6 | 430 | 380 | 346 |
| 618 | Cosmochemistry | 20 | 429 | 238 | 365 |
| 619 | Logic | 22 | 428 | 87 | 71 |
| 620 | Systems Engineering | 6 | 427 | 1503 | 801 |
| 621 | Contraception | 12 | 426 | 223 | 173 |
| 621 | environmental issues | 10 | 426 | 126 | 101 |
| 623 | Neurotransmitters | 9 | 425 | 253 | 140 |
| 623 | Parallel Processing | 3 | 425 | 432 | 207 |
| 625 | indoor air pollution | 5 | 421 | 238 | 116 |
| 625 | Ventilation | 5 | 421 | 341 | 147 |
| 625 | Sick building syndrome | 5 | 421 | 238 | 116 |
| 628 | Psychosomatic Medicine | 13 | 420 | 297 | 337 |
| 629 | Solar power plants | 6 | 419 | 89 | 60 |
| 629 | Photovoltaic Cells | 6 | 419 | 89 | 60 |
| 631 | Quantum Communication | 9 | 416 | 67 | 70 |
| 631 | Information Science | 40 | 416 | 474 | 1106 |
| 633 | Plant tissue culture | 13 | 415 | 214 | 210 |
| 634 | air quality management | 3 | 413 | 483 | 137 |
| 634 | computer networks | 23 | 413 | 805 | 1022 |
| 636 | Cognitive Psychology | 10 | 412 | 167 | 82 |
| 637 | Democratization | 9 | 407 | 24 | 22 |
| 638 | Evolutionary Genetics | 12 | 406 | 151 | 145 |
| 638 | Molecular Epidemiology | 12 | 406 | 151 | 145 |
| 638 | Bipolar Disorder | 5 | 406 | 225 | 156 |
| 641 | Atmospheric Science | 16 | 405 | 34 | 42 |
| 641 | Personality Assessment | 17 | 405 | 170 | 284 |
| 643 | Medicinal plants | 10 | 404 | 647 | 649 |
| 644 | Microbial Genetics | 3 | 403 | 318 | 142 |
| 644 | Randomized Controlled Trials | 28 | 403 | 212 | 250 |
| 644 | Molecular Spectroscopy | 19 | 403 | 623 | 655 |
| 644 | Plant cell culture | 10 | 403 | 237 | 212 |
| 648 | Hydrodynamics | 13 | 401 | 231 | 252 |
| 648 | Reproductive toxicology | 18 | 401 | 63 | 136 |
| 648 | Animal welfare | 3 | 401 | 245 | 63 |
| 651 | Veterinary Pathology | 28 | 400 | 49 | 57 |
| 652 | Human Rights | 18 | 397 | 130 | 117 |
| 653 | Adolescent | 26 | 396 | 555 | 765 |
| 654 | Minerals | 11 | 395 | 242 | 177 |
| 655 | Economic Geography | 11 | 394 | 123 | 103 |
| 655 | Automation | 5 | 394 | 1617 | 1063 |
| 657 | Risk Management | 11 | 392 | 233 | 209 |
| 657 | Metals | 20 | 392 | 726 | 862 |
| 659 | social science | 9 | 391 | 54 | 75 |
| 660 | Psychiatric Epidemiology | 5 | 389 | 337 | 216 |
| 661 | Physical Geography | 2 | 387 | 600 | 145 |
| 661 | Medical Ethics | 12 | 387 | 480 | 286 |
| 661 | Eastern Europe | 39 | 387 | 62 | 98 |
| 664 | drug addiction | 15 | 383 | 409 | 491 |
| 665 | Orthopedics | 20 | 372 | 505 | 609 |
| 665 | Political Sociology | 7 | 372 | 266 | 170 |
| 667 | Vaccines | 19 | 371 | 524 | 675 |
| 668 | Chromatography | 29 | 368 | 338 | 559 |
| 669 | Image Processing | 13 | 367 | 1048 | 1039 |
| 669 | pollutants | 17 | 367 | 614 | 908 |
| 671 | Database Management | 7 | 364 | 489 | 329 |
| 671 | Well-being | 25 | 364 | 3 | 22 |
| 673 | Liquid Crystals | 22 | 363 | 247 | 162 |
| 673 | food handling | 16 | 363 | 224 | 373 |
| 675 | foreign exchange | 8 | 360 | 148 | 140 |
| 676 | phytopathogenic bacteria | 2 | 358 | 280 | 144 |
| 677 | Invertebrates | 11 | 357 | 205 | 174 |
| 678 | mental processes | 18 | 356 | 80 | 91 |
| 679 | Environmental Economics | 8 | 355 | 143 | 105 |
| 680 | Criminology | 25 | 354 | 265 | 329 |
| 681 | Africa | 28 | 349 | 310 | 343 |
| 681 | rivers | 6 | 349 | 167 | 88 |
| 683 | Engineering Mathematics | 12 | 347 | 854 | 597 |
| 684 | international cooperation | 14 | 344 | 180 | 221 |
| 685 | Entropy | 16 | 341 | 297 | 238 |
| 686 | Computer Science | 12 | 340 | 916 | 617 |
| 686 | Electron Microscopy | 9 | 340 | 172 | 87 |
| 686 | Mechanics | 16 | 340 | 456 | 410 |
| 689 | amino acids | 11 | 339 | 172 | 207 |
| 690 | Seismology | 16 | 335 | 148 | 175 |
| 690 | Ethnic relations | 20 | 335 | 113 | 134 |
| 690 | Cell metabolism | 5 | 335 | 434 | 532 |
| 693 | Transportation | 12 | 334 | 729 | 730 |
| 694 | Retina | 2 | 333 | 196 | 208 |
| 694 | eye | 2 | 333 | 238 | 209 |
| 696 | Emergency Medical Services | 15 | 331 | 180 | 166 |
| 697 | Homeostasis | 3 | 329 | 351 | 498 |
| 698 | Information Systems | 16 | 328 | 436 | 554 |
| 698 | Phenomenology | 8 | 328 | 88 | 24 |
| 698 | Artificial Organs | 21 | 328 | 162 | 197 |
| 701 | Bryology | 29 | 327 | 21 | 45 |
| 701 | Philosophy of Mind | 7 | 327 | 130 | 66 |
| 701 | population geography | 10 | 327 | 133 | 116 |
| 704 | Engineering Geology | 11 | 325 | 679 | 671 |
| 704 | landscapes | 3 | 325 | 166 | 36 |
| 706 | occupational diseases | 14 | 324 | 258 | 355 |
| 706 | Animal genetics | 9 | 324 | 277 | 215 |
| 708 | Food Preservation | 5 | 322 | 589 | 164 |
| 708 | atmosphere | 24 | 322 | 141 | 305 |
| 710 | European Union | 12 | 320 | 44 | 50 |
| 711 | Transportation Engineering | 4 | 317 | 230 | 125 |
| 712 | Geodesy | 14 | 316 | 183 | 226 |
| 712 | Energy Harvesting | 1 | 316 | 637 | 357 |
| 714 | Surface-Active Agents | 10 | 315 | 488 | 579 |
| 714 | Groundwater | 17 | 315 | 144 | 209 |
| 716 | Genes | 11 | 313 | 468 | 433 |
| 717 | Eating Disorders | 20 | 310 | 260 | 388 |
| 717 | Feeding and Eating Disorders | 20 | 310 | 246 | 373 |
| 719 | Seaweed | 7 | 305 | 315 | 286 |
| 719 | race relations | 14 | 305 | 207 | 213 |
| 721 | Land use | 10 | 304 | 544 | 541 |
| 721 | Animal | 8 | 304 | 43 | 23 |
| 723 | Food additives | 10 | 303 | 486 | 610 |
| 724 | Medical Oncology | 16 | 302 | 591 | 847 |
| 724 | Molecular Imaging | 17 | 302 | 207 | 341 |
| 726 | Educational Research | 3 | 301 | 73 | 4 |
| 727 | civil society | 40 | 298 | 2 | 3 |
| 728 | Neuroendocrinology | 5 | 297 | 65 | 127 |
| 729 | body temperature | 6 | 296 | 291 | 132 |
| 729 | finance | 18 | 296 | 873 | 994 |
| 731 | soil conservation | 8 | 295 | 362 | 330 |
| 732 | Bone diseases | 2 | 293 | 557 | 302 |
| 732 | Birds | 11 | 293 | 532 | 391 |
| 734 | sustainability | 7 | 289 | 462 | 516 |
| 735 | Fluid Dynamics | 11 | 288 | 512 | 515 |
| 736 | Clinical Biochemistry | 10 | 286 | 550 | 536 |
| 736 | Chemical structure | 7 | 286 | 225 | 77 |
| 738 | Oral Medicine | 12 | 285 | 288 | 173 |
| 738 | complementary therapies | 27 | 285 | 291 | 700 |
| 740 | Functional Analysis | 21 | 283 | 431 | 517 |
| 740 | Islam | 19 | 283 | 62 | 47 |
| 740 | mammals | 12 | 283 | 397 | 390 |
| 743 | Classification | 4 | 282 | 187 | 111 |
| 744 | Forecasting | 16 | 280 | 109 | 204 |
| 745 | Robotics | 5 | 279 | 1276 | 828 |
| 745 | Social participation | 37 | 279 | 2 | 2 |
| 747 | Ethnic Conflict | 11 | 278 | 89 | 105 |
| 747 | forced migration | 11 | 278 | 89 | 105 |
| 747 | Paleobotany | 7 | 278 | 69 | 61 |
| 747 | Vegetation dynamics | 7 | 278 | 64 | 60 |
| 751 | Demography | 11 | 276 | 246 | 302 |
| 751 | Random graphs | 22 | 276 | 33 | 56 |
| 753 | Remote Sensing | 16 | 275 | 515 | 511 |
| 754 | Raman spectroscopy | 10 | 274 | 319 | 319 |
| 754 | Parkinson's disease | 8 | 274 | 100 | 95 |
| 756 | Alternative Medicine | 24 | 273 | 300 | 707 |
| 757 | Communication in politics | 7 | 272 | 115 | 56 |
| 758 | histological techniques | 14 | 269 | 249 | 440 |
| 758 | geological modeling | 11 | 269 | 159 | 175 |
| 760 | Biological Systems | 11 | 268 | 140 | 216 |
| 760 | Protozoa | 16 | 268 | 89 | 192 |
| 760 | sexual behavior | 11 | 268 | 263 | 325 |
| 760 | Zoonoses | 8 | 268 | 96 | 100 |
| 764 | Renewable Energy Sources | 5 | 267 | 2001 | 1942 |
| 764 | consumer behavior | 7 | 267 | 284 | 301 |
| 764 | Elderly | 21 | 267 | 367 | 300 |
| 767 | Neuropharmacology | 8 | 266 | 303 | 290 |
| 767 | Developmental Neurobiology | 9 | 266 | 208 | 194 |
| 769 | Plant breeding | 7 | 265 | 414 | 332 |
| 769 | hazard mitigation | 10 | 265 | 354 | 397 |
| 771 | Eurasia | 11 | 264 | 52 | 42 |
| 772 | Public Policy | 17 | 262 | 579 | 826 |
| 772 | Collective behavior | 8 | 262 | 16 | 20 |
| 774 | Biosensors | 7 | 261 | 784 | 973 |
| 774 | Thrombosis | 10 | 261 | 507 | 556 |
| 774 | X-rays | 2 | 261 | 727 | 165 |
| 774 | Chronic diseases | 11 | 261 | 281 | 396 |
| 778 | police | 4 | 260 | 310 | 98 |
| 779 | Soviet Union | 20 | 259 | 131 | 92 |
| 779 | sex differences | 5 | 259 | 57 | 54 |
| 781 | Middle East | 50 | 258 | 68 | 244 |
| 781 | Jurisprudence | 31 | 258 | 187 | 372 |
| 783 | Quantitative Research | 8 | 257 | 116 | 142 |
| 784 | Landscape Ecology | 7 | 256 | 249 | 265 |
| 785 | Law | 26 | 255 | 298 | 305 |
| 785 | Immunochemistry | 11 | 255 | 384 | 423 |
| 787 | Telecommunication | 16 | 254 | 1086 | 1282 |
| 788 | Socialization | 5 | 250 | 372 | 342 |
| 788 | role | 5 | 250 | 306 | 295 |
| 790 | epilepsy | 9 | 249 | 464 | 428 |
| 790 | exobiology | 8 | 249 | 118 | 191 |
| 790 | Dementia | 30 | 249 | 355 | 485 |
| 793 | Urban Policy | 10 | 246 | 361 | 432 |
| 793 | Sites | 7 | 246 | 319 | 341 |
| 795 | Computer-Aided Design | 16 | 245 | 395 | 556 |
| 796 | disarmament | 11 | 241 | 47 | 58 |
| 796 | Matroids | 22 | 241 | 47 | 101 |
| 798 | Music | 9 | 239 | 418 | 291 |
| 799 | synthesis | 23 | 238 | 186 | 307 |
| 800 | Radiobiology | 17 | 237 | 465 | 690 |
| 800 | Climate | 9 | 237 | 247 | 306 |
| 802 | Paleoceanography | 2 | 234 | 207 | 166 |
| 803 | Animal health | 7 | 233 | 272 | 115 |
| 803 | Ornithology | 9 | 233 | 490 | 381 |
| 805 | Educational evaluation | 6 | 232 | 90 | 46 |
| 806 | Geopolitics | 19 | 230 | 26 | 81 |
| 807 | Ecophysiology | 10 | 229 | 43 | 60 |
| 807 | disease outbreaks | 6 | 229 | 311 | 312 |
| 807 | Epidemics | 6 | 229 | 297 | 311 |
| 807 | venom | 8 | 229 | 358 | 359 |
| 807 | Toxins | 8 | 229 | 403 | 400 |
| 812 | Radiopharmaceuticals | 17 | 228 | 68 | 51 |
| 812 | Digestive system diseases | 8 | 228 | 535 | 515 |
| 814 | Mobile Computing | 6 | 226 | 736 | 555 |
| 814 | Adolescent Psychology | 13 | 226 | 335 | 477 |
| 816 | Enteral nutrition | 9 | 225 | 392 | 540 |
| 817 | Cosmology | 5 | 224 | 454 | 347 |
| 817 | Socialism | 9 | 224 | 80 | 61 |
| 819 | Multivariate Analysis | 14 | 223 | 167 | 245 |
| 819 | Group decision making | 9 | 223 | 205 | 219 |
| 821 | Marine Pollution | 5 | 222 | 850 | 794 |
| 822 | Health promotion | 17 | 221 | 338 | 490 |
| 823 | Calculus of Variations | 11 | 217 | 218 | 188 |
| 824 | Computer Vision | 8 | 216 | 653 | 750 |
| 825 | radioactive waste | 8 | 215 | 403 | 744 |
| 825 | industrial waste | 8 | 215 | 435 | 746 |
| 825 | Hazardous waste | 8 | 215 | 498 | 809 |
| 828 | Music Therapy | 4 | 214 | 166 | 46 |
| 828 | Autoantibodies | 11 | 214 | 217 | 385 |
| 828 | Autoimmune diseases | 11 | 214 | 241 | 417 |
| 831 | Microstructure | 5 | 213 | 622 | 255 |
| 832 | Crystal growth | 10 | 211 | 506 | 571 |
| 832 | Fossils | 26 | 211 | 3 | 4 |
| 834 | Neuroimaging | 14 | 210 | 77 | 121 |
| 834 | Educational Sociology | 14 | 210 | 85 | 128 |
| 834 | water supply | 8 | 210 | 447 | 580 |
| 837 | motivation | 5 | 209 | 238 | 219 |
| 837 | Emotion | 5 | 209 | 142 | 172 |
| 839 | economic conditions | 6 | 208 | 317 | 307 |
| 840 | cell interaction | 11 | 207 | 446 | 704 |
| 840 | educational planning | 5 | 207 | 268 | 249 |
| 842 | Marine Geology | 8 | 206 | 307 | 326 |
| 842 | Behavioral Genetics | 4 | 206 | 179 | 168 |
| 844 | History | 144 | 205 | 73 | 175 |
| 844 | calcification | 5 | 205 | 361 | 333 |
| 846 | Urban Economics | 2 | 204 | 413 | 239 |
| 846 | Chemical analysis | 10 | 204 | 541 | 687 |
| 846 | software | 14 | 204 | 350 | 703 |
| 849 | Hematopoietic stem cell transplantation | 6 | 203 | 247 | 290 |
| 850 | tomography | 8 | 202 | 194 | 152 |
| 850 | children | 5 | 202 | 336 | 299 |
| 852 | Bioelectronics | 4 | 201 | 923 | 998 |
| 852 | gastrointestinal tract | 11 | 201 | 87 | 281 |
| 854 | adolescence | 14 | 200 | 356 | 550 |
| 855 | Systems Analysis | 10 | 199 | 515 | 552 |
| 855 | Semiconductors | 15 | 199 | 867 | 1001 |
| 855 | Environmental risk assessment | 5 | 199 | 227 | 161 |
| 858 | Pharmacogenetics | 12 | 198 | 347 | 562 |
| 858 | taxation | 9 | 198 | 55 | 104 |
| 860 | Industrial Policy | 5 | 197 | 344 | 280 |
| 860 | Exercise | 10 | 197 | 720 | 724 |
| 862 | Environmental Law | 12 | 196 | 413 | 940 |
| 862 | Economic Integration | 20 | 196 | 8 | 10 |
| 864 | Positive Psychology | 3 | 195 | 152 | 156 |
| 865 | Mathematical Economics | 2 | 194 | 356 | 197 |
| 866 | Ecosystem management | 6 | 193 | 423 | 403 |
| 866 | Infertility | 4 | 193 | 639 | 635 |
| 866 | Personality Disorders | 8 | 193 | 120 | 179 |
| 866 | fertility | 4 | 193 | 712 | 685 |
| 870 | Structural Equation Modeling | 12 | 192 | 32 | 96 |
| 870 | Multimedia Systems | 4 | 192 | 1491 | 907 |
| 872 | Plastics | 9 | 191 | 903 | 889 |
| 872 | natural products | 20 | 191 | 557 | 943 |
| 872 | bryophytes | 9 | 191 | 29 | 28 |
| 875 | warfare | 5 | 190 | 180 | 201 |
| 875 | Luminescence | 27 | 190 | 268 | 669 |
| 877 | Electromagnetism | 6 | 189 | 684 | 516 |
| 877 | Social work | 5 | 189 | 957 | 606 |
| 879 | Depression | 4 | 188 | 260 | 337 |
| 879 | urban population | 1 | 188 | 357 | 195 |
| 881 | Art Therapy | 1 | 187 | 381 | 53 |
| 881 | Dance therapy | 1 | 187 | 336 | 39 |
| 881 | rare diseases | 13 | 187 | 232 | 397 |
| 884 | Traffic Engineering | 4 | 185 | 327 | 285 |
| 884 | Community Psychology | 4 | 185 | 442 | 367 |
| 884 | Travel | 13 | 185 | 252 | 370 |
| 884 | social conflict | 6 | 185 | 105 | 80 |
| 884 | Consciousness | 16 | 185 | 118 | 287 |
| 889 | Probability | 5 | 184 | 388 | 316 |
| 889 | Geothermal Energy | 4 | 184 | 180 | 111 |
| 889 | Organizational change | 6 | 184 | 440 | 403 |
| 889 | Microbial Biotechnology | 6 | 184 | 605 | 579 |
| 889 | income | 12 | 184 | 27 | 86 |
| 889 | Input-output analysis | 12 | 184 | 48 | 128 |
| 889 | Wealth | 12 | 184 | 27 | 86 |
| 889 | Autism | 4 | 184 | 533 | 488 |
| 897 | General Surgery | 27 | 183 | 167 | 270 |
| 897 | Central Asia | 5 | 183 | 74 | 40 |
| 899 | Social Stratification | 5 | 182 | 54 | 45 |
| 899 | Social mobility | 5 | 182 | 54 | 45 |
| 899 | psychopathology | 4 | 182 | 272 | 259 |
| 899 | social status | 5 | 182 | 54 | 45 |
| 899 | Occupational mobility | 5 | 182 | 54 | 45 |
| 904 | Political Geography | 10 | 181 | 124 | 175 |
| 904 | Sociolinguistics | 13 | 181 | 139 | 221 |
| 904 | Information Retrieval | 2 | 181 | 588 | 298 |
| 904 | Risk | 22 | 181 | 96 | 333 |
| 904 | vascular diseases | 7 | 181 | 391 | 535 |
| 909 | soil pollution | 6 | 180 | 284 | 263 |
| 910 | Humanities | 18 | 179 | 492 | 591 |
| 910 | Nonverbal Communication | 3 | 179 | 194 | 153 |
| 910 | Tourism | 10 | 179 | 828 | 1235 |
| 910 | Genetic disorders | 10 | 179 | 218 | 306 |
| 910 | Body language | 3 | 179 | 102 | 96 |
| 915 | labor | 14 | 177 | 63 | 167 |
| 915 | ethanol | 7 | 177 | 261 | 256 |
| 915 | Cerebellum | 3 | 177 | 265 | 177 |
| 915 | Cerebellar ataxia | 3 | 177 | 265 | 177 |
| 919 | Petroleum Geology | 6 | 176 | 334 | 331 |
| 920 | Economic Thought | 3 | 175 | 282 | 281 |
| 920 | Public Choice | 6 | 175 | 208 | 201 |
| 922 | Plant genetic engineering | 8 | 173 | 451 | 652 |
| 923 | Scandinavia | 12 | 172 | 189 | 290 |
| 924 | Superconductors | 8 | 171 | 538 | 417 |
| 925 | Financial management | 3 | 170 | 438 | 352 |
| 925 | RNA | 12 | 170 | 200 | 398 |
| 927 | Bioremediation | 6 | 168 | 497 | 575 |
| 927 | scientific societies | 8 | 168 | 381 | 454 |
| 929 | Sovereignty | 9 | 167 | 25 | 60 |
| 929 | Politics | 2 | 167 | 560 | 267 |
| 929 | locomotion | 4 | 167 | 539 | 444 |
| 929 | posture | 4 | 167 | 539 | 444 |
| 929 | Neuromuscular diseases | 5 | 167 | 437 | 419 |
| 929 | actuators | 4 | 167 | 1737 | 1576 |
| 929 | government | 2 | 167 | 607 | 311 |
| 929 | anesthesia | 11 | 167 | 187 | 158 |
| 929 | Multiple sclerosis | 10 | 167 | 234 | 230 |
| 929 | transducers | 4 | 167 | 1737 | 1576 |
| 929 | gait | 4 | 167 | 539 | 444 |
| 929 | Aquaculture | 5 | 167 | 1006 | 859 |
| 929 | walking | 4 | 167 | 539 | 444 |
| 942 | Serology | 10 | 166 | 147 | 267 |
| 943 | Critical theory | 8 | 165 | 58 | 51 |
| 944 | Environmental Geochemistry | 4 | 163 | 413 | 244 |
| 944 | DNA polymerases | 3 | 163 | 348 | 498 |
| 946 | Criminal psychology | 14 | 162 | 305 | 470 |
| 946 | genocide | 4 | 162 | 55 | 2 |
| 946 | biomedicine | 5 | 162 | 318 | 365 |
| 949 | Technological Innovations | 14 | 161 | 306 | 680 |
| 950 | Neuropsychiatry | 6 | 159 | 511 | 539 |
| 950 | Angst | 7 | 159 | 2 | 21 |
| 950 | fear | 7 | 159 | 1 | 9 |
| 953 | Biochemical Genetics | 10 | 158 | 134 | 112 |
| 953 | Political Parties | 7 | 158 | 104 | 128 |
| 955 | Orthopedic Surgery | 12 | 157 | 305 | 445 |
| 955 | biobanks | 3 | 157 | 105 | 30 |
| 955 | Federal government | 8 | 157 | 59 | 49 |
| 955 | Heterocyclic compounds | 21 | 157 | 217 | 387 |
| 959 | Mathematics Education | 6 | 156 | 298 | 204 |
| 959 | Evolutionary Psychology | 4 | 156 | 98 | 71 |
| 959 | Strategic planning | 6 | 156 | 462 | 516 |
| 962 | working class | 4 | 155 | 132 | 172 |
| 963 | Computer Architecture | 1 | 154 | 876 | 221 |
| 963 | Mental Health | 10 | 154 | 737 | 900 |
| 963 | Microprocessors | 1 | 154 | 991 | 271 |
| 966 | Cytoskeleton | 9 | 153 | 115 | 203 |
| 966 | organizational effectiveness | 9 | 153 | 140 | 222 |
| 968 | Respiratory system | 5 | 152 | 392 | 415 |
| 968 | research and development | 3 | 152 | 323 | 278 |
| 970 | Organizational Sociology | 3 | 151 | 352 | 234 |
| 970 | Regional Economics | 4 | 151 | 387 | 281 |
| 970 | Kinetics | 6 | 151 | 277 | 227 |
| 970 | glycoproteins | 10 | 151 | 180 | 336 |
| 970 | Glycoconjugates | 10 | 151 | 180 | 336 |
| 970 | DNA repair | 4 | 151 | 215 | 208 |
| 970 | nation-building | 7 | 151 | 4 | 4 |
| 970 | Mental Health Counseling | 22 | 151 | 16 | 32 |
| 970 | glycolipids | 10 | 151 | 180 | 336 |
| 979 | Nursing | 7 | 149 | 1167 | 946 |
| 980 | Radiation Oncology | 10 | 148 | 137 | 235 |
| 981 | Freezing | 21 | 147 | 61 | 112 |
| 982 | Experimental Psychology | 6 | 146 | 388 | 408 |
| 982 | Emergency Medicine | 10 | 146 | 661 | 713 |
| 982 | Risk assessment | 3 | 146 | 600 | 298 |
| 982 | War and Society | 3 | 146 | 197 | 193 |
| 982 | cross-cultural comparison | 7 | 146 | 256 | 267 |
| 982 | Judaism | 9 | 146 | 61 | 7 |
| 988 | auditory perception | 3 | 144 | 403 | 333 |
| 988 | civilization | 42 | 144 | 139 | 180 |
| 988 | Methodology | 5 | 144 | 328 | 202 |
| 988 | Egypt | 6 | 144 | 274 | 348 |
| 992 | Nanochemistry | 11 | 142 | 477 | 783 |
| 993 | Magnetic Resonance Imaging | 9 | 141 | 213 | 301 |
| 993 | Mental Health Services | 9 | 141 | 566 | 726 |
| 993 | Developed countries | 2 | 141 | 281 | 175 |
| 996 | Cloud Computing | 1 | 140 | 629 | 234 |
| 996 | Combustion | 4 | 140 | 968 | 859 |
| 998 | Bioacoustics | 4 | 139 | 63 | 33 |
| 998 | civil rights | 8 | 139 | 181 | 169 |
| 998 | United Nations | 4 | 139 | 30 | 9 |