| 1 | Science | 1,982 | 167.5K | 166 | 185 |
| 7 | Molecular Biology | 1,076 | 84.0K | 236 | 188 |
| 8 | Research | 2,032 | 82.1K | 78 | 83 |
| 11 | Natural history | 260 | 67.6K | 253 | 217 |
| 16 | Cell Biology | 413 | 45.3K | 227 | 184 |
| 18 | Pollution | 506 | 37.3K | 165 | 117 |
| 20 | Environment | 371 | 36.2K | 215 | 131 |
| 21 | Human genetics | 161 | 35.7K | 217 | 205 |
| 22 | Environmental Health | 576 | 34.4K | 118 | 110 |
| 24 | Metabolic diseases | 369 | 32.3K | 73 | 52 |
| 25 | Alzheimer's disease | 1,045 | 31.6K | 7 | 18 |
| 27 | Virology | 264 | 29.6K | 230 | 189 |
| 28 | Metabolism | 504 | 29.6K | 69 | 84 |
| 30 | Neurochemistry | 521 | 27.8K | 24 | 26 |
| 31 | Immunity | 246 | 27.8K | 77 | 95 |
| 32 | transport vesicles | 34 | 27.1K | 7 | 1 |
| 34 | Dementia | 948 | 25.9K | 8 | 20 |
| 36 | Brain | 404 | 24.4K | 81 | 56 |
| 38 | Mental Disorders | 437 | 23.9K | 84 | 95 |
| 39 | Diabetes | 300 | 22.5K | 72 | 77 |
| 41 | Diabetes mellitus | 266 | 21.2K | 74 | 76 |
| 44 | Neurophysiology | 338 | 20.0K | 162 | 174 |
| 47 | Solid State Physics | 511 | 19.1K | 268 | 224 |
| 48 | Obesity | 279 | 18.8K | 56 | 34 |
| 50 | Condensed Matter | 501 | 18.6K | 257 | 241 |
| 51 | Nervous system | 211 | 17.6K | 119 | 87 |
| 52 | Medical Microbiology | 325 | 17.1K | 31 | 62 |
| 53 | Geophysics | 278 | 17.0K | 385 | 266 |
| 55 | Biocompatible Materials | 236 | 16.2K | 286 | 213 |
| 56 | Molecular Genetics | 164 | 15.8K | 92 | 39 |
| 57 | Psychophysiology | 281 | 15.4K | 180 | 155 |
| 58 | environmental pollution | 281 | 15.2K | 187 | 155 |
| 59 | Neurobiology | 240 | 15.0K | 64 | 79 |
| 60 | Climatology | 254 | 14.7K | 81 | 82 |
| 62 | Diet | 233 | 14.5K | 80 | 68 |
| 63 | Host-parasite interactions | 40 | 14.3K | 267 | 43 |
| 64 | Homeostasis | 40 | 14.1K | 45 | 22 |
| 64 | Cell metabolism | 40 | 14.1K | 63 | 22 |
| 67 | Medical genetics | 192 | 13.6K | 286 | 245 |
| 70 | Environmental Policy | 213 | 12.9K | 88 | 93 |
| 71 | Behavior | 260 | 12.6K | 162 | 173 |
| 72 | biological evolution | 205 | 12.6K | 95 | 145 |
| 73 | Psychopharmacology | 259 | 12.5K | 53 | 64 |
| 74 | Bacterial infections | 36 | 12.4K | 115 | 16 |
| 75 | mycoses | 39 | 12.4K | 87 | 15 |
| 77 | Animal Behavior | 213 | 12.2K | 107 | 88 |
| 78 | Molecular ecology | 82 | 12.1K | 93 | 28 |
| 79 | human behavior | 170 | 12.1K | 134 | 123 |
| 81 | Europe | 607 | 12.0K | 32 | 39 |
| 82 | Analytical Chemistry | 265 | 11.8K | 303 | 219 |
| 83 | Mental illness | 148 | 11.7K | 139 | 104 |
| 84 | Atmospheric Physics | 160 | 11.7K | 171 | 116 |
| 85 | Developmental Biology | 102 | 11.4K | 299 | 193 |
| 86 | Population Genetics | 84 | 11.2K | 117 | 29 |
| 87 | Synaptic Transmission | 256 | 11.0K | 1 | 2 |
| 88 | Aging | 310 | 10.9K | 112 | 121 |
| 89 | Cancer | 305 | 10.8K | 273 | 395 |
| 90 | Microbial Ecology | 165 | 10.6K | 148 | 181 |
| 91 | Child | 219 | 10.5K | 116 | 53 |
| 92 | Evolution | 108 | 10.4K | 190 | 131 |
| 94 | Atmospheric Chemistry | 113 | 10.2K | 137 | 91 |
| 95 | Developmental Disabilities | 105 | 9.9K | 62 | 24 |
| 96 | Immune system | 193 | 9.9K | 27 | 118 |
| 97 | Child Development | 205 | 9.8K | 93 | 106 |
| 99 | Biodiversity conservation | 93 | 9.7K | 161 | 133 |
| 100 | Cell differentiation | 78 | 9.7K | 279 | 179 |
| 102 | Ethology | 146 | 9.5K | 109 | 92 |
| 103 | Microorganisms | 146 | 9.2K | 36 | 38 |
| 104 | Economic History | 306 | 9.2K | 88 | 59 |
| 105 | Primary health care | 353 | 9.1K | 14 | 19 |
| 106 | Therapeutics | 271 | 9.0K | 37 | 80 |
| 108 | United States | 226 | 8.9K | 410 | 327 |
| 109 | Climate change | 61 | 8.8K | 126 | 108 |
| 110 | sanitation | 66 | 8.7K | 255 | 150 |
| 111 | Computational Biology | 94 | 8.7K | 302 | 194 |
| 112 | Eutrophication | 60 | 8.7K | 123 | 108 |
| 113 | Nuclear Physics | 303 | 8.6K | 674 | 673 |
| 116 | management | 264 | 8.4K | 129 | 300 |
| 117 | Water pollution | 189 | 8.4K | 104 | 144 |
| 119 | Clinical Chemistry | 192 | 8.2K | 156 | 161 |
| 121 | Pediatric Neurology | 68 | 8.1K | 121 | 101 |
| 122 | Environmental monitoring | 144 | 7.9K | 269 | 204 |
| 125 | rehabilitation | 283 | 7.7K | 48 | 80 |
| 126 | Child psychology | 135 | 7.7K | 123 | 137 |
| 128 | Water | 148 | 7.4K | 163 | 218 |
| 129 | Bacteriology | 98 | 7.4K | 221 | 188 |
| 130 | Mycology | 96 | 7.3K | 131 | 49 |
| 132 | Reproduction | 175 | 7.2K | 147 | 118 |
| 134 | Biodiversity | 141 | 7.1K | 102 | 108 |
| 135 | Pharmaceutical Chemistry | 175 | 6.9K | 387 | 366 |
| 135 | nucleic acids | 71 | 6.9K | 294 | 270 |
| 137 | environmental protection | 116 | 6.8K | 243 | 159 |
| 138 | Sports Medicine | 186 | 6.7K | 137 | 125 |
| 139 | fertility | 107 | 6.7K | 102 | 49 |
| 140 | Neurons | 27 | 6.6K | 211 | 178 |
| 141 | Infertility | 102 | 6.6K | 104 | 47 |
| 142 | Developing countries | 199 | 6.6K | 63 | 69 |
| 143 | arthritis | 147 | 6.6K | 77 | 119 |
| 144 | Environmental Toxicology | 96 | 6.5K | 170 | 118 |
| 145 | Earth Sciences | 131 | 6.5K | 319 | 270 |
| 146 | Growth | 43 | 6.4K | 280 | 172 |
| 147 | Environmental Psychology | 28 | 6.4K | 19 | 4 |
| 148 | drug therapy | 225 | 6.3K | 103 | 157 |
| 151 | Molecular evolution | 90 | 6.1K | 124 | 117 |
| 152 | Cytogenetics | 59 | 6.1K | 253 | 197 |
| 153 | Statistical physics | 216 | 6.1K | 430 | 401 |
| 154 | Genomics | 133 | 6.0K | 298 | 252 |
| 155 | Health | 199 | 6.0K | 86 | 103 |
| 156 | Vaccines | 130 | 6.0K | 115 | 78 |
| 157 | Environmental Chemistry | 97 | 5.9K | 127 | 191 |
| 158 | ecosystem | 125 | 5.8K | 32 | 59 |
| 159 | Scandinavia | 363 | 5.8K | 5 | 7 |
| 160 | Educational Psychology | 46 | 5.8K | 280 | 74 |
| 160 | Environmental pollutants | 122 | 5.8K | 106 | 64 |
| 162 | Economic Development | 146 | 5.8K | 53 | 70 |
| 163 | Disease | 11 | 5.6K | 95 | 66 |
| 165 | Liver diseases | 83 | 5.6K | 211 | 248 |
| 166 | diseases | 8 | 5.5K | 164 | 70 |
| 167 | pollutants | 113 | 5.5K | 86 | 59 |
| 167 | Lipids | 92 | 5.5K | 58 | 50 |
| 169 | Cardiovascular system | 88 | 5.5K | 242 | 291 |
| 170 | Neuropsychology | 129 | 5.5K | 212 | 193 |
| 171 | Hypertension | 97 | 5.3K | 224 | 270 |
| 172 | Environmental Microbiology | 86 | 5.3K | 60 | 85 |
| 173 | Neurosurgery | 82 | 5.3K | 78 | 40 |
| 174 | Biochemical Engineering | 28 | 5.3K | 1186 | 567 |
| 174 | Fungi | 62 | 5.3K | 116 | 47 |
| 176 | Geochemistry | 102 | 5.3K | 334 | 281 |
| 177 | Surface Chemistry | 165 | 5.3K | 387 | 416 |
| 178 | Public Administration | 143 | 5.3K | 55 | 39 |
| 179 | Spine | 81 | 5.2K | 45 | 37 |
| 180 | Spectrum analysis | 137 | 5.1K | 692 | 796 |
| 182 | Sports | 139 | 5.0K | 143 | 106 |
| 183 | Phylogeny | 87 | 5.0K | 35 | 36 |
| 184 | Marine Pollution | 90 | 4.9K | 43 | 34 |
| 185 | Antigens | 74 | 4.9K | 45 | 26 |
| 186 | Colloids | 142 | 4.9K | 461 | 488 |
| 187 | Genetic regulation | 37 | 4.9K | 212 | 143 |
| 188 | Genetic engineering | 42 | 4.8K | 441 | 157 |
| 189 | Energy Policy | 73 | 4.8K | 303 | 230 |
| 190 | behavioral medicine | 58 | 4.7K | 161 | 96 |
| 191 | soil microbiology | 50 | 4.7K | 247 | 181 |
| 192 | Critical Care | 76 | 4.7K | 235 | 279 |
| 194 | Parenteral nutrition | 53 | 4.7K | 117 | 80 |
| 195 | environmental exposure | 107 | 4.7K | 81 | 56 |
| 196 | Immunopathology | 130 | 4.6K | 55 | 66 |
| 197 | Hormones | 108 | 4.6K | 55 | 63 |
| 198 | Allergy | 41 | 4.6K | 291 | 256 |
| 199 | glycoproteins | 129 | 4.6K | 2 | 8 |
| 199 | Glycoconjugates | 129 | 4.6K | 2 | 8 |
| 199 | glycolipids | 129 | 4.6K | 2 | 8 |
| 202 | Teaching | 67 | 4.6K | 200 | 71 |
| 205 | Planets | 91 | 4.5K | 329 | 311 |
| 206 | Clinical Laboratory Science | 229 | 4.5K | 8 | 7 |
| 207 | Antibodies | 66 | 4.5K | 19 | 13 |
| 208 | Enteral nutrition | 43 | 4.5K | 91 | 62 |
| 209 | Biogeochemistry | 86 | 4.5K | 93 | 131 |
| 210 | Cardiovascular diseases | 143 | 4.4K | 80 | 73 |
| 211 | Chemical Oceanography | 98 | 4.4K | 5 | 16 |
| 212 | Leukemia | 19 | 4.4K | 655 | 174 |
| 213 | Health Policy | 123 | 4.3K | 190 | 156 |
| 214 | Respiration | 104 | 4.3K | 123 | 148 |
| 215 | Transportation | 78 | 4.2K | 228 | 112 |
| 216 | Plant physiology | 141 | 4.2K | 143 | 307 |
| 217 | energy resources | 56 | 4.2K | 130 | 122 |
| 218 | gene mapping | 81 | 4.2K | 217 | 262 |
| 219 | Clinical Pharmacology | 162 | 4.2K | 41 | 60 |
| 220 | Critical Care Medicine | 65 | 4.2K | 276 | 303 |
| 221 | Electrochemistry | 138 | 4.1K | 564 | 481 |
| 223 | Thrombosis | 97 | 4.1K | 58 | 68 |
| 224 | Aquaculture | 102 | 4.0K | 138 | 96 |
| 226 | Development | 98 | 4.0K | 27 | 44 |
| 227 | Technology | 94 | 3.9K | 582 | 374 |
| 228 | Environmental Law | 50 | 3.9K | 112 | 94 |
| 229 | Chromosome mapping | 75 | 3.9K | 188 | 179 |
| 230 | Plant cells | 43 | 3.9K | 313 | 348 |
| 231 | Virulence | 38 | 3.9K | 261 | 187 |
| 232 | Quality of life | 100 | 3.9K | 46 | 84 |
| 233 | alcoholism | 129 | 3.8K | 125 | 150 |
| 234 | International Relations | 97 | 3.8K | 83 | 32 |
| 235 | infection | 100 | 3.7K | 106 | 147 |
| 236 | Plants | 77 | 3.7K | 299 | 357 |
| 238 | Proteome | 78 | 3.7K | 76 | 95 |
| 239 | occupational diseases | 84 | 3.6K | 56 | 48 |
| 240 | Bioenergetics | 72 | 3.6K | 63 | 53 |
| 240 | Energy metabolism | 72 | 3.6K | 54 | 50 |
| 242 | Bacteria | 31 | 3.6K | 40 | 19 |
| 243 | Astrophysics | 95 | 3.6K | 913 | 1047 |
| 244 | Transplantation | 75 | 3.5K | 192 | 199 |
| 245 | Sleep Disorders | 130 | 3.5K | 121 | 181 |
| 246 | Animal ecology | 80 | 3.5K | 116 | 118 |
| 247 | Sleep | 129 | 3.5K | 124 | 190 |
| 248 | bioclimatology | 49 | 3.5K | 42 | 9 |
| 249 | Materials | 95 | 3.5K | 1483 | 1374 |
| 250 | Immunotherapy | 44 | 3.5K | 383 | 320 |
| 251 | Infections | 85 | 3.4K | 61 | 131 |
| 251 | drug development | 21 | 3.4K | 274 | 145 |
| 253 | Stem cells | 51 | 3.4K | 307 | 185 |
| 254 | Occupational Health | 128 | 3.4K | 38 | 41 |
| 255 | Industrial Microbiology | 27 | 3.3K | 530 | 165 |
| 256 | Meteorites | 44 | 3.3K | 274 | 223 |
| 258 | cell membrane | 70 | 3.3K | 54 | 49 |
| 259 | Medical innovations | 18 | 3.3K | 347 | 168 |
| 260 | Tourism | 66 | 3.3K | 174 | 155 |
| 261 | biological factors | 66 | 3.3K | 172 | 108 |
| 262 | Pregnancy | 72 | 3.3K | 37 | 20 |
| 263 | Histochemistry | 22 | 3.2K | 334 | 37 |
| 263 | Environmental Economics | 47 | 3.2K | 5 | 10 |
| 265 | Cognition | 94 | 3.2K | 213 | 256 |
| 266 | miniaturization | 51 | 3.2K | 346 | 371 |
| 267 | civil service | 48 | 3.2K | 19 | 9 |
| 268 | Communication | 81 | 3.2K | 243 | 140 |
| 269 | Catalysis | 87 | 3.2K | 841 | 887 |
| 270 | Gene expression regulation | 29 | 3.2K | 203 | 159 |
| 270 | Economic Assistance | 81 | 3.2K | 23 | 42 |
| 272 | nanoscience | 46 | 3.2K | 753 | 585 |
| 273 | proteins | 92 | 3.2K | 212 | 255 |
| 274 | organization | 64 | 3.1K | 51 | 134 |
| 275 | Gerontology | 136 | 3.1K | 174 | 166 |
| 276 | Attention | 100 | 3.1K | 215 | 210 |
| 277 | Molecular Microbiology | 41 | 3.1K | 165 | 180 |
| 278 | vascular diseases | 53 | 3.1K | 81 | 69 |
| 279 | Criminal psychology | 117 | 3.1K | 27 | 61 |
| 280 | Biogeography | 57 | 3.1K | 91 | 136 |
| 281 | Medical Anthropology | 50 | 3.0K | 202 | 186 |
| 282 | Social Psychology | 77 | 3.0K | 340 | 364 |
| 283 | Carbohydrates | 77 | 3.0K | 4 | 13 |
| 284 | Oligosaccharide | 76 | 3.0K | 3 | 11 |
| 285 | Substance Abuse | 68 | 3.0K | 220 | 135 |
| 286 | Radiation | 72 | 3.0K | 270 | 131 |
| 287 | United Kingdom | 86 | 3.0K | 181 | 251 |
| 288 | world | 54 | 3.0K | 52 | 59 |
| 289 | risk factors | 87 | 3.0K | 23 | 28 |
| 290 | Diagnostic microbiology | 57 | 3.0K | 182 | 291 |
| 291 | Intellectual disability | 62 | 2.9K | 85 | 51 |
| 292 | global environmental change | 29 | 2.9K | 147 | 66 |
| 293 | administrative agencies | 39 | 2.9K | 17 | 5 |
| 295 | disabilities | 114 | 2.9K | 17 | 22 |
| 296 | Membranes | 69 | 2.9K | 263 | 304 |
| 297 | Astrocytes | 22 | 2.9K | 88 | 42 |
| 298 | histological techniques | 12 | 2.9K | 326 | 44 |
| 299 | pain | 74 | 2.8K | 170 | 250 |
| 301 | Microscopy | 92 | 2.8K | 105 | 79 |
| 302 | Marine Meteorology | 56 | 2.8K | 70 | 60 |
| 304 | plant molecular biology | 39 | 2.8K | 406 | 416 |
| 305 | ethanol | 79 | 2.7K | 17 | 13 |
| 306 | Diagnostic Imaging | 74 | 2.7K | 264 | 239 |
| 307 | Drug design | 32 | 2.7K | 321 | 125 |
| 308 | drugs | 98 | 2.7K | 181 | 207 |
| 309 | Geriatric Psychiatry | 73 | 2.7K | 70 | 71 |
| 310 | Fisheries | 76 | 2.7K | 208 | 182 |
| 311 | Bioinformatics | 60 | 2.7K | 330 | 429 |
| 312 | Inflammation | 72 | 2.7K | 57 | 69 |
| 313 | Nuclear Medicine | 70 | 2.7K | 146 | 129 |
| 314 | Chronic diseases | 24 | 2.6K | 205 | 154 |
| 315 | Developmental Genetics | 9 | 2.6K | 387 | 191 |
| 316 | viral genetics | 8 | 2.6K | 237 | 156 |
| 317 | Pharmacogenetics | 36 | 2.6K | 188 | 107 |
| 318 | Molecular structure | 68 | 2.6K | 312 | 362 |
| 319 | Cell death | 33 | 2.6K | 312 | 289 |
| 320 | Social behavior | 61 | 2.6K | 127 | 152 |
| 322 | Biomass Energy | 25 | 2.5K | 851 | 447 |
| 323 | Perception | 89 | 2.5K | 283 | 323 |
| 324 | sexual behavior | 52 | 2.5K | 44 | 34 |
| 325 | Language Disorders | 124 | 2.5K | 46 | 73 |
| 327 | Business | 57 | 2.5K | 348 | 403 |
| 328 | Mathematical Physics | 124 | 2.4K | 367 | 427 |
| 329 | economic policy | 128 | 2.4K | 134 | 154 |
| 330 | Autism | 44 | 2.4K | 110 | 81 |
| 331 | nuclear magnetic resonance | 55 | 2.4K | 185 | 110 |
| 332 | Muscles | 18 | 2.4K | 324 | 83 |
| 333 | Radiobiology | 92 | 2.4K | 309 | 278 |
| 334 | Numerical Analysis | 87 | 2.4K | 235 | 173 |
| 336 | Memory | 89 | 2.4K | 269 | 358 |
| 337 | Proteomics | 62 | 2.3K | 68 | 124 |
| 338 | Qualitative Research | 130 | 2.3K | 2 | 21 |
| 339 | Health Services Research | 128 | 2.3K | 99 | 204 |
| 340 | Physical Chemistry | 87 | 2.3K | 297 | 442 |
| 341 | Neuromuscular diseases | 13 | 2.3K | 328 | 59 |
| 342 | Speech Disorders | 113 | 2.3K | 88 | 127 |
| 343 | Orthopedic Surgery | 57 | 2.3K | 74 | 51 |
| 344 | Food | 58 | 2.2K | 578 | 500 |
| 345 | epilepsy | 82 | 2.2K | 53 | 68 |
| 346 | Visual Perception | 84 | 2.2K | 244 | 288 |
| 347 | Polymers | 79 | 2.2K | 1129 | 1090 |
| 348 | Bone diseases | 26 | 2.2K | 48 | 60 |
| 349 | Natural resources | 53 | 2.2K | 54 | 73 |
| 350 | Mass Spectrometry | 45 | 2.2K | 201 | 140 |
| 351 | Health Education | 91 | 2.2K | 211 | 249 |
| 352 | psychotherapy | 89 | 2.2K | 130 | 261 |
| 353 | Molecules | 108 | 2.1K | 112 | 194 |
| 354 | Chemical Ecology | 45 | 2.1K | 52 | 38 |
| 355 | Soil biology | 26 | 2.1K | 289 | 223 |
| 356 | Climate | 20 | 2.1K | 116 | 52 |
| 357 | viruses | 46 | 2.1K | 400 | 482 |
| 357 | Digestive system diseases | 30 | 2.1K | 236 | 67 |
| 359 | Oncogenes | 39 | 2.1K | 310 | 413 |
| 359 | Hearing | 67 | 2.1K | 81 | 64 |
| 361 | genome | 35 | 2.1K | 400 | 522 |
| 362 | Wildlife conservation | 38 | 2.1K | 247 | 221 |
| 363 | cell physiology | 38 | 2.1K | 375 | 405 |
| 364 | Clinical Psychology | 40 | 2.1K | 357 | 372 |
| 365 | Optics | 91 | 2.0K | 1019 | 841 |
| 366 | industrial hygiene | 98 | 2.0K | 46 | 36 |
| 367 | Environmental Management | 61 | 2.0K | 414 | 589 |
| 368 | nuclear magnetic resonance spectroscopy | 41 | 2.0K | 84 | 41 |
| 370 | China | 78 | 2.0K | 394 | 301 |
| 371 | weather | 19 | 2.0K | 98 | 15 |
| 372 | Plant Ecology | 44 | 2.0K | 365 | 386 |
| 373 | Comparative Physiology | 53 | 1.9K | 86 | 81 |
| 374 | Hydrology | 42 | 1.9K | 643 | 477 |
| 375 | cloning | 15 | 1.9K | 236 | 131 |
| 376 | Marine Ecology | 98 | 1.9K | 16 | 34 |
| 377 | Electronics | 46 | 1.9K | 1014 | 555 |
| 378 | Neuroimmunology | 36 | 1.9K | 120 | 112 |
| 379 | Democracy | 28 | 1.9K | 24 | 1 |
| 379 | Political Parties | 37 | 1.9K | 6 | 3 |
| 381 | Democratization | 26 | 1.9K | 4 | 1 |
| 382 | medical education | 77 | 1.9K | 269 | 269 |
| 384 | Chemotherapy | 66 | 1.9K | 180 | 180 |
| 385 | calcification | 37 | 1.8K | 54 | 55 |
| 386 | free radicals | 35 | 1.8K | 342 | 349 |
| 387 | Heart Failure | 28 | 1.8K | 100 | 75 |
| 388 | Renewable Energy Sources | 18 | 1.8K | 1067 | 760 |
| 389 | Decision making | 48 | 1.8K | 188 | 191 |
| 390 | Quantum Chemistry | 50 | 1.8K | 76 | 35 |
| 391 | Mental Health | 77 | 1.8K | 151 | 162 |
| 392 | Organic Chemistry | 64 | 1.8K | 757 | 805 |
| 393 | Continental shelf | 37 | 1.8K | 51 | 51 |
| 394 | Algae | 47 | 1.8K | 92 | 100 |
| 395 | Human Geography | 87 | 1.8K | 84 | 131 |
| 396 | Microelectronics | 31 | 1.8K | 576 | 502 |
| 398 | pheromones | 33 | 1.8K | 67 | 53 |
| 399 | wood | 12 | 1.8K | 211 | 27 |
| 400 | Public Policy | 88 | 1.7K | 146 | 242 |
| 401 | Parasitic Diseases | 46 | 1.7K | 418 | 398 |
| 402 | Algal blooms | 17 | 1.7K | 70 | 48 |
| 402 | Cyanobacteria | 17 | 1.7K | 70 | 48 |
| 402 | microalgae | 17 | 1.7K | 70 | 48 |
| 405 | Community Psychiatry | 35 | 1.7K | 184 | 146 |
| 406 | Digital Media | 23 | 1.7K | 11 | 3 |
| 407 | Australia | 86 | 1.7K | 167 | 172 |
| 408 | Molecular Imaging | 31 | 1.7K | 173 | 158 |
| 409 | Magnetic Resonance Spectroscopy | 35 | 1.7K | 303 | 173 |
| 410 | Medical Oncology | 67 | 1.6K | 465 | 529 |
| 411 | Nonlinear Dynamics | 74 | 1.6K | 444 | 532 |
| 412 | Psychoneuroimmunology | 33 | 1.6K | 109 | 120 |
| 414 | scientific societies | 38 | 1.6K | 120 | 89 |
| 415 | Genetic disorders | 31 | 1.6K | 115 | 65 |
| 416 | Developmental Psychology | 38 | 1.6K | 221 | 241 |
| 416 | Ocean Engineering | 36 | 1.6K | 419 | 279 |
| 418 | peace | 41 | 1.6K | 52 | 64 |
| 419 | Biomass | 9 | 1.6K | 293 | 64 |
| 420 | Analytical Biochemistry | 52 | 1.6K | 199 | 254 |
| 421 | Photochemistry | 36 | 1.6K | 339 | 222 |
| 422 | Systems Biology | 60 | 1.6K | 149 | 176 |
| 423 | personality | 33 | 1.6K | 406 | 409 |
| 424 | Telecommunication | 27 | 1.6K | 674 | 215 |
| 425 | Oligosaccharides | 53 | 1.6K | 1 | 3 |
| 426 | Early Childhood Education | 84 | 1.6K | 15 | 18 |
| 427 | Regional Planning | 76 | 1.6K | 145 | 220 |
| 428 | Schizophrenia | 33 | 1.5K | 309 | 298 |
| 430 | Online journalism | 17 | 1.5K | 13 | 3 |
| 431 | Brain damage | 27 | 1.5K | 57 | 21 |
| 432 | Community Psychology | 6 | 1.5K | 423 | 94 |
| 433 | Nanostructured Materials | 47 | 1.5K | 961 | 969 |
| 435 | Bones | 64 | 1.4K | 91 | 214 |
| 436 | Biomechanics | 21 | 1.4K | 495 | 296 |
| 436 | city planning | 58 | 1.4K | 205 | 221 |
| 438 | Plant Morphology | 26 | 1.4K | 89 | 31 |
| 439 | Yeast | 31 | 1.4K | 39 | 38 |
| 440 | Cognitive neuroscience | 23 | 1.4K | 323 | 355 |
| 441 | Seaweed | 37 | 1.4K | 67 | 92 |
| 442 | Information Systems | 38 | 1.4K | 184 | 154 |
| 443 | Neurotoxicology | 48 | 1.4K | 24 | 42 |
| 444 | polar regions | 47 | 1.4K | 79 | 63 |
| 445 | Endocrine glands | 8 | 1.4K | 117 | 59 |
| 446 | health planning | 62 | 1.4K | 234 | 243 |
| 447 | enzymes | 32 | 1.4K | 360 | 300 |
| 448 | Surface properties | 23 | 1.4K | 237 | 145 |
| 448 | Social work | 75 | 1.4K | 164 | 165 |
| 450 | Reproductive health | 70 | 1.4K | 38 | 81 |
| 451 | Psychiatric Epidemiology | 27 | 1.4K | 78 | 68 |
| 452 | Surface-Active Agents | 22 | 1.4K | 225 | 133 |
| 453 | Ergonomics | 29 | 1.3K | 290 | 125 |
| 454 | feeding behavior | 27 | 1.3K | 172 | 124 |
| 455 | Combinatorial chemistry | 14 | 1.3K | 327 | 183 |
| 456 | Lung Transplantation | 36 | 1.3K | 210 | 131 |
| 456 | Heart transplantation | 36 | 1.3K | 210 | 131 |
| 458 | Health promotion | 51 | 1.3K | 245 | 344 |
| 459 | Clinical Immunology | 47 | 1.3K | 219 | 241 |
| 460 | Transport | 40 | 1.3K | 61 | 87 |
| 460 | Agriculture | 37 | 1.3K | 551 | 489 |
| 462 | Paleoclimatology | 29 | 1.3K | 305 | 269 |
| 463 | RNA | 18 | 1.3K | 154 | 104 |
| 464 | Electrophoresis | 36 | 1.3K | 345 | 272 |
| 465 | Hospitality industry | 28 | 1.3K | 31 | 11 |
| 466 | Aquatic ecology | 45 | 1.3K | 95 | 91 |
| 467 | Bioorganic chemistry | 52 | 1.3K | 670 | 874 |
| 468 | Body Image | 19 | 1.3K | 30 | 20 |
| 469 | Biometrics | 41 | 1.3K | 221 | 228 |
| 469 | innovation | 39 | 1.3K | 37 | 191 |
| 471 | Entrepreneurship | 10 | 1.3K | 493 | 303 |
| 472 | Photobiology | 24 | 1.2K | 295 | 152 |
| 473 | Photonics | 25 | 1.2K | 617 | 591 |
| 474 | Artificial Intelligence | 61 | 1.2K | 758 | 909 |
| 475 | Metals | 17 | 1.2K | 1092 | 589 |
| 477 | Forest Ecology | 35 | 1.2K | 213 | 267 |
| 478 | Adolescent | 85 | 1.2K | 261 | 453 |
| 479 | polymerization | 47 | 1.2K | 1285 | 1237 |
| 480 | Cognitive Science | 33 | 1.2K | 310 | 395 |
| 481 | Appetite | 23 | 1.2K | 160 | 113 |
| 482 | Elections | 57 | 1.2K | 16 | 26 |
| 483 | Mechanics | 17 | 1.2K | 504 | 150 |
| 484 | Econometrics | 56 | 1.2K | 193 | 309 |
| 485 | gene therapy | 33 | 1.2K | 243 | 337 |
| 486 | Birds | 67 | 1.2K | 166 | 190 |
| 487 | Lipid | 30 | 1.2K | 23 | 59 |
| 488 | Mineralogy | 38 | 1.1K | 383 | 394 |
| 489 | sustainability | 17 | 1.1K | 192 | 205 |
| 490 | Ethnology | 77 | 1.1K | 123 | 127 |
| 491 | probabilities | 69 | 1.1K | 173 | 148 |
| 492 | cytokines | 30 | 1.1K | 284 | 271 |
| 493 | Environmental Education | 30 | 1.1K | 33 | 22 |
| 494 | Europa | 47 | 1.1K | 27 | 44 |
| 495 | analysis | 14 | 1.1K | 130 | 74 |
| 496 | Global Health | 64 | 1.1K | 81 | 98 |
| 497 | Biodegradation | 39 | 1.1K | 30 | 59 |
| 498 | Apoptosis | 45 | 1.1K | 7 | 12 |
| 498 | neurotoxins | 45 | 1.1K | 7 | 12 |
| 498 | Neurotoxic agents | 45 | 1.1K | 7 | 12 |
| 498 | Nerve regeneration | 45 | 1.1K | 7 | 12 |
| 502 | Organizational Sociology | 38 | 1.1K | 16 | 18 |
| 503 | Women's health | 44 | 1.1K | 174 | 193 |
| 504 | speech therapy | 45 | 1.1K | 40 | 44 |
| 504 | Learning | 57 | 1.1K | 185 | 391 |
| 506 | Emergency Medicine | 66 | 1.1K | 243 | 305 |
| 506 | Physical fitness | 28 | 1.1K | 227 | 209 |
| 508 | Forest Management | 31 | 1.1K | 230 | 264 |
| 509 | Respiratory system | 36 | 1.1K | 64 | 76 |
| 510 | Health Services Administration | 56 | 1.1K | 109 | 192 |
| 511 | Conservation Biology | 20 | 1.1K | 393 | 355 |
| 512 | Palliative Care | 36 | 1.1K | 147 | 107 |
| 513 | Business Ethics | 19 | 1.1K | 263 | 295 |
| 514 | Small Business | 13 | 1.0K | 297 | 297 |
| 515 | Soil Science | 27 | 1.0K | 568 | 522 |
| 516 | complementary therapies | 42 | 1.0K | 317 | 290 |
| 517 | energy development | 6 | 1.0K | 582 | 278 |
| 518 | Educational Technology | 33 | 1.0K | 272 | 214 |
| 519 | Africa | 78 | 1.0K | 127 | 146 |
| 520 | Environmentalism | 20 | 1.0K | 11 | 17 |
| 521 | Neuropsychiatry | 24 | 1.0K | 261 | 215 |
| 522 | Light | 18 | 1.0K | 354 | 517 |
| 523 | Research Design | 34 | 1.0K | 260 | 310 |
| 524 | Solid State Chemistry | 48 | 1.0K | 596 | 631 |
| 525 | Development Economics | 29 | 998 | 35 | 64 |
| 526 | Journalism | 35 | 994 | 70 | 29 |
| 527 | Alternative Medicine | 39 | 990 | 320 | 298 |
| 529 | Plant Genetics | 8 | 985 | 464 | 263 |
| 530 | Political Participation | 47 | 981 | 9 | 33 |
| 531 | Paleoecology | 26 | 976 | 312 | 296 |
| 532 | atmospheric models | 21 | 969 | 265 | 281 |
| 533 | atmosphere | 31 | 968 | 127 | 131 |
| 534 | preventive medicine | 26 | 963 | 421 | 432 |
| 535 | Water Microbiology | 33 | 960 | 21 | 36 |
| 537 | Sound | 28 | 959 | 84 | 45 |
| 538 | Nanostructures | 24 | 958 | 698 | 745 |
| 539 | International security | 17 | 956 | 45 | 56 |
| 539 | conflict management | 17 | 956 | 57 | 41 |
| 541 | Lipid metabolism | 21 | 955 | 57 | 73 |
| 542 | Hemostasis | 45 | 954 | 77 | 103 |
| 543 | commerce | 35 | 953 | 279 | 391 |
| 544 | Petrology | 29 | 952 | 331 | 369 |
| 545 | Osteoporosis | 22 | 948 | 33 | 33 |
| 546 | Metallurgy | 20 | 940 | 1091 | 737 |
| 547 | disease outbreaks | 28 | 939 | 93 | 134 |
| 547 | Epidemics | 28 | 939 | 88 | 134 |
| 550 | Paleogeography | 23 | 936 | 298 | 276 |
| 551 | Immunogenetics | 24 | 935 | 184 | 151 |
| 552 | Pharmaceutical Technology | 26 | 931 | 433 | 406 |
| 553 | Emergency Medical Services | 57 | 927 | 49 | 72 |
| 554 | water supply | 16 | 926 | 391 | 342 |
| 555 | Growth factors | 3 | 916 | 312 | 83 |
| 556 | Fouling | 30 | 911 | 12 | 28 |
| 557 | Food additives | 8 | 904 | 785 | 327 |
| 558 | Mental Health Services | 28 | 900 | 360 | 261 |
| 559 | counseling | 30 | 899 | 375 | 333 |
| 559 | Population | 33 | 899 | 190 | 182 |
| 561 | Pharmacokinetics | 27 | 898 | 171 | 176 |
| 562 | Genetic therapy | 28 | 897 | 360 | 487 |
| 563 | Social policy | 52 | 892 | 99 | 133 |
| 564 | drug addiction | 35 | 890 | 321 | 415 |
| 565 | Adolescent Medicine | 11 | 888 | 324 | 344 |
| 565 | Communication Disorders | 32 | 888 | 21 | 26 |
| 567 | Morphology | 20 | 887 | 228 | 115 |
| 568 | Microcirculation | 24 | 881 | 66 | 60 |
| 568 | Cognitive Therapy | 14 | 881 | 246 | 107 |
| 568 | Blood vessels | 24 | 881 | 30 | 34 |
| 571 | Bioethics | 37 | 880 | 133 | 104 |
| 572 | Ornithology | 54 | 877 | 140 | 175 |
| 573 | Forensic Psychiatry | 44 | 875 | 59 | 64 |
| 574 | Demography | 22 | 872 | 171 | 158 |
| 575 | Jurisprudence | 27 | 870 | 251 | 165 |
| 576 | Patient education | 27 | 867 | 143 | 185 |
| 577 | Oral Medicine | 50 | 866 | 37 | 27 |
| 578 | Psychiatric Nursing | 43 | 864 | 48 | 46 |
| 578 | plant communities | 21 | 864 | 381 | 476 |
| 580 | Eating Disorders | 33 | 860 | 193 | 250 |
| 580 | Feeding and Eating Disorders | 33 | 860 | 179 | 237 |
| 582 | Medical Physics | 48 | 855 | 433 | 577 |
| 582 | Exercise | 43 | 855 | 209 | 276 |
| 584 | coal | 19 | 850 | 589 | 550 |
| 585 | Electrochemical Analysis | 32 | 848 | 364 | 348 |
| 586 | Chromatographic analysis | 32 | 846 | 472 | 384 |
| 587 | Child welfare | 51 | 841 | 143 | 212 |
| 588 | Fishery resources | 30 | 835 | 87 | 119 |
| 589 | marketing | 27 | 831 | 571 | 662 |
| 591 | election law | 40 | 821 | 8 | 29 |
| 592 | Voting | 39 | 819 | 8 | 29 |
| 593 | Land use | 22 | 818 | 275 | 242 |
| 594 | Sea | 29 | 814 | 71 | 112 |
| 595 | Plant Taxonomy | 41 | 812 | 65 | 94 |
| 596 | Clinical Biochemistry | 26 | 808 | 404 | 368 |
| 597 | protein | 33 | 806 | 301 | 429 |
| 597 | older people | 74 | 806 | 238 | 301 |
| 599 | Pharmacognosy | 32 | 804 | 477 | 661 |
| 600 | isomerism | 25 | 800 | 26 | 21 |
| 600 | Chirality | 25 | 800 | 26 | 21 |
| 603 | Chromatography | 28 | 793 | 431 | 354 |
| 605 | Functional Analysis | 59 | 786 | 157 | 248 |
| 606 | Cosmochemistry | 22 | 779 | 251 | 275 |
| 607 | income | 9 | 778 | 54 | 19 |
| 607 | Input-output analysis | 9 | 778 | 87 | 33 |
| 607 | Wealth | 9 | 778 | 54 | 19 |
| 610 | Molecular cloning | 21 | 777 | 468 | 428 |
| 611 | Radiation Protection | 66 | 769 | 29 | 29 |
| 611 | radiation monitoring | 64 | 769 | 26 | 25 |
| 613 | Industrial Safety | 57 | 768 | 87 | 215 |
| 614 | Psycholinguistics | 32 | 767 | 228 | 333 |
| 614 | Psychosomatic Medicine | 27 | 767 | 222 | 314 |
| 616 | Parasitology | 26 | 766 | 932 | 805 |
| 617 | Ecosystem management | 33 | 764 | 88 | 192 |
| 618 | Semiconductors | 51 | 762 | 366 | 440 |
| 618 | Public opinion | 29 | 762 | 37 | 64 |
| 620 | Biogeochemical cycles | 16 | 751 | 170 | 298 |
| 621 | Genetic recombination | 20 | 747 | 479 | 436 |
| 621 | Recombinant DNA | 20 | 747 | 537 | 465 |
| 623 | Plant diseases | 10 | 746 | 1286 | 666 |
| 623 | internet | 17 | 746 | 385 | 209 |
| 625 | sports injuries | 50 | 740 | 15 | 29 |
| 626 | Happiness | 20 | 739 | 35 | 44 |
| 627 | pain management | 36 | 736 | 77 | 131 |
| 628 | Signal Transduction | 20 | 734 | 516 | 693 |
| 629 | radiative transfer | 8 | 730 | 403 | 141 |
| 629 | Cerebral cortex | 23 | 730 | 307 | 454 |
| 631 | Feminism | 41 | 729 | 40 | 57 |
| 633 | Algebra | 32 | 726 | 446 | 183 |
| 633 | Marine resources | 25 | 726 | 96 | 98 |
| 635 | children | 40 | 725 | 51 | 149 |
| 636 | Social problems | 22 | 723 | 125 | 163 |
| 637 | Probability | 22 | 720 | 132 | 134 |
| 638 | cell interaction | 29 | 714 | 238 | 400 |
| 638 | Information Science | 13 | 714 | 1288 | 808 |
| 640 | Steroids | 32 | 713 | 219 | 318 |
| 641 | Atomic spectroscopy | 43 | 711 | 175 | 290 |
| 642 | Human Rights | 29 | 710 | 81 | 51 |
| 643 | biological monitoring | 25 | 709 | 62 | 81 |
| 644 | Radioisotopes | 33 | 708 | 235 | 176 |
| 645 | Autoimmunity | 24 | 707 | 192 | 335 |
| 646 | Parkinson's disease | 15 | 702 | 39 | 31 |
| 647 | International Finance | 28 | 701 | 424 | 451 |
| 648 | Bipolar Disorder | 23 | 700 | 97 | 149 |
| 649 | Marine algae | 19 | 694 | 12 | 4 |
| 650 | Discourse Analysis | 31 | 693 | 19 | 47 |
| 651 | Immunochemistry | 15 | 691 | 403 | 239 |
| 652 | Labor Economics | 20 | 689 | 87 | 92 |
| 653 | Physical organic chemistry | 29 | 687 | 333 | 359 |
| 654 | Oxidative stress | 12 | 684 | 538 | 461 |
| 655 | Forensic Psychology | 32 | 682 | 35 | 39 |
| 656 | Applied Linguistics | 42 | 680 | 46 | 86 |
| 657 | Cybernetics | 20 | 678 | 431 | 388 |
| 658 | Organizational change | 29 | 668 | 66 | 134 |
| 659 | health behavior | 22 | 667 | 312 | 306 |
| 659 | Drug delivery systems | 15 | 667 | 647 | 653 |
| 661 | Pediatric Nursing | 18 | 665 | 115 | 59 |
| 662 | Oxidation-reduction | 11 | 664 | 409 | 476 |
| 663 | Cell communication | 25 | 661 | 123 | 208 |
| 664 | Radiation dosimetry | 54 | 659 | 21 | 21 |
| 665 | behavior therapy | 14 | 658 | 395 | 324 |
| 666 | Bioinorganic chemistry | 27 | 657 | 433 | 455 |
| 666 | prostaglandins | 31 | 657 | 57 | 112 |
| 668 | Urban Policy | 21 | 651 | 146 | 163 |
| 668 | Wildlife management | 11 | 651 | 303 | 132 |
| 670 | Agricultural Chemistry | 7 | 650 | 1931 | 970 |
| 671 | Ethnic relations | 36 | 649 | 46 | 45 |
| 672 | adolescence | 37 | 647 | 165 | 349 |
| 672 | industrial relations | 61 | 647 | 79 | 164 |
| 674 | Industrial Policy | 20 | 646 | 85 | 101 |
| 675 | food contamination | 1 | 645 | 2199 | 158 |
| 676 | Nutrition physiology | 17 | 641 | 217 | 236 |
| 677 | Medical Ethics | 40 | 638 | 182 | 200 |
| 677 | Optical materials | 17 | 638 | 1347 | 1352 |
| 679 | Cytokine | 9 | 636 | 171 | 152 |
| 680 | Culture | 59 | 635 | 114 | 149 |
| 681 | Social welfare | 22 | 633 | 137 | 99 |
| 682 | Ethics | 37 | 632 | 154 | 160 |
| 683 | Hemodynamics | 12 | 631 | 337 | 356 |
| 684 | Oxidation | 6 | 629 | 102 | 35 |
| 685 | Engineering Geology | 22 | 627 | 471 | 537 |
| 685 | Malaria | 25 | 627 | 199 | 235 |
| 687 | mathematical analysis | 75 | 624 | 440 | 642 |
| 688 | human development | 13 | 623 | 321 | 283 |
| 688 | educational planning | 16 | 623 | 85 | 86 |
| 690 | Biosensors | 11 | 621 | 670 | 696 |
| 693 | Dyslexia | 18 | 615 | 18 | 25 |
| 694 | Sites | 9 | 609 | 308 | 217 |
| 695 | violence | 20 | 605 | 305 | 317 |
| 696 | Electrophysiology | 34 | 604 | 252 | 308 |
| 697 | Contraception | 19 | 599 | 173 | 175 |
| 698 | Pancreatic diseases | 13 | 598 | 254 | 88 |
| 699 | visualization | 44 | 597 | 273 | 177 |
| 700 | Nanoparticles | 19 | 596 | 739 | 803 |
| 700 | natural products | 25 | 596 | 518 | 542 |
| 702 | Bioelectronics | 8 | 595 | 696 | 631 |
| 702 | Autoimmune diseases | 23 | 595 | 130 | 231 |
| 704 | Adolescent Psychology | 40 | 594 | 128 | 331 |
| 705 | Kidney diseases | 20 | 590 | 340 | 382 |
| 706 | voice | 35 | 589 | 42 | 74 |
| 707 | Cultural Anthropology | 23 | 586 | 6 | 7 |
| 708 | economic conditions | 22 | 580 | 135 | 169 |
| 708 | biological invasions | 13 | 580 | 219 | 168 |
| 710 | technical education | 26 | 577 | 67 | 63 |
| 711 | Phonetics | 28 | 574 | 44 | 72 |
| 712 | Superconductors | 20 | 571 | 205 | 140 |
| 712 | Superconductivity | 20 | 571 | 138 | 104 |
| 714 | Water quality management | 13 | 570 | 897 | 510 |
| 715 | Globalization | 31 | 560 | 47 | 97 |
| 716 | refugees | 11 | 551 | 86 | 26 |
| 717 | race relations | 24 | 549 | 114 | 108 |
| 718 | Antioxidants | 10 | 548 | 407 | 474 |
| 719 | investigative techniques | 25 | 547 | 6 | 28 |
| 720 | child abuse | 18 | 546 | 294 | 368 |
| 722 | Risk assessment | 12 | 545 | 175 | 52 |
| 724 | child behavior | 18 | 539 | 100 | 161 |
| 724 | biopolymers | 24 | 539 | 383 | 510 |
| 726 | Elderly | 62 | 538 | 219 | 192 |
| 727 | Autoantibodies | 20 | 536 | 138 | 231 |
| 729 | income distribution | 8 | 532 | 39 | 48 |
| 730 | Economic Thought | 12 | 531 | 73 | 162 |
| 730 | Cerebrospinal fluid | 27 | 531 | 4 | 22 |
| 732 | Randomized Controlled Trials | 43 | 530 | 172 | 263 |
| 733 | venom | 13 | 528 | 328 | 217 |
| 733 | Toxins | 13 | 528 | 359 | 233 |
| 735 | Geriatric Oncology | 13 | 520 | 234 | 207 |
| 735 | curriculum evaluation | 18 | 520 | 63 | 50 |
| 735 | Health Risk Assessment | 10 | 520 | 131 | 35 |
| 738 | Coastal zone management | 17 | 519 | 159 | 155 |
| 739 | Operations Research | 28 | 517 | 767 | 932 |
| 740 | solar cells | 5 | 513 | 773 | 409 |
| 741 | Gender Studies | 22 | 512 | 62 | 97 |
| 742 | Asia | 40 | 511 | 535 | 667 |
| 743 | Aggression | 9 | 510 | 218 | 175 |
| 744 | Data Mining | 21 | 508 | 418 | 739 |
| 744 | Synapses | 14 | 508 | 93 | 117 |
| 746 | Youth | 26 | 506 | 141 | 293 |
| 746 | Suicide | 8 | 506 | 325 | 175 |
| 749 | hospice care | 20 | 504 | 105 | 75 |
| 750 | Music | 16 | 500 | 309 | 150 |
| 750 | Documentation | 2 | 500 | 539 | 86 |
| 752 | Dietetics | 14 | 499 | 342 | 219 |
| 753 | Ethnic Conflict | 21 | 497 | 27 | 48 |
| 753 | disarmament | 14 | 497 | 36 | 26 |
| 753 | forced migration | 21 | 497 | 27 | 48 |
| 756 | Vocational guidance | 10 | 496 | 462 | 411 |
| 757 | Group decision making | 11 | 495 | 179 | 122 |
| 757 | Geobiology | 19 | 495 | 126 | 168 |
| 759 | Soft Condensed Matter | 22 | 490 | 392 | 484 |
| 760 | X-ray spectroscopy | 33 | 487 | 14 | 15 |
| 761 | labor | 8 | 483 | 160 | 77 |
| 761 | color | 7 | 483 | 141 | 34 |
| 763 | brain mapping | 13 | 482 | 331 | 437 |
| 764 | Organizational Behavior | 22 | 480 | 137 | 308 |
| 765 | Economic Geography | 14 | 478 | 85 | 74 |
| 766 | Kinetics | 26 | 474 | 45 | 88 |
| 766 | finance | 25 | 474 | 811 | 897 |
| 769 | Pediatric Rheumatology | 17 | 471 | 48 | 27 |
| 770 | ecological risk assessment | 5 | 468 | 148 | 30 |
| 771 | plankton | 17 | 467 | 27 | 43 |
| 772 | Sexual health | 14 | 466 | 336 | 259 |
| 774 | Molecular Spectroscopy | 11 | 464 | 1019 | 653 |
| 774 | working class | 5 | 464 | 152 | 81 |
| 776 | Energy Conversion | 5 | 463 | 1090 | 932 |
| 777 | Neuropharmacology | 14 | 462 | 184 | 232 |
| 778 | Aerosols | 23 | 458 | 159 | 219 |
| 779 | Quantum Gravity | 26 | 457 | 1050 | 1192 |
| 779 | locomotion | 20 | 457 | 194 | 252 |
| 779 | posture | 20 | 457 | 194 | 252 |
| 779 | gait | 20 | 457 | 194 | 252 |
| 779 | walking | 20 | 457 | 194 | 252 |
| 784 | Biopharmaceutics | 14 | 456 | 513 | 505 |
| 785 | Risk | 14 | 454 | 203 | 248 |
| 786 | Risk Management | 18 | 453 | 188 | 230 |
| 787 | Japan | 18 | 450 | 890 | 558 |
| 788 | emergency management | 25 | 449 | 108 | 206 |
| 789 | Neonatology | 20 | 448 | 137 | 195 |
| 790 | energy conservation | 13 | 445 | 888 | 1093 |
| 791 | Land Use Planning | 11 | 444 | 126 | 141 |
| 792 | international cooperation | 21 | 443 | 129 | 205 |
| 793 | consumers | 11 | 442 | 111 | 109 |
| 794 | Hydrometeorology | 3 | 441 | 267 | 160 |
| 795 | Distance Education | 13 | 439 | 117 | 86 |
| 796 | data collection | 20 | 434 | 229 | 562 |
| 797 | Electron Microscopy | 4 | 432 | 397 | 69 |
| 798 | software | 42 | 430 | 44 | 375 |
| 799 | Developed countries | 9 | 428 | 57 | 65 |
| 800 | occupational health and safety | 6 | 426 | 168 | 50 |
| 800 | Vaccination | 7 | 426 | 117 | 63 |
| 802 | rare diseases | 15 | 424 | 241 | 317 |
| 802 | mammals | 36 | 424 | 198 | 414 |
| 802 | women | 44 | 424 | 56 | 113 |
| 805 | chronic disease | 10 | 422 | 163 | 138 |
| 805 | aerosol | 19 | 422 | 111 | 142 |
| 807 | Immunopharmacology | 10 | 420 | 543 | 404 |
| 808 | Social Movements | 10 | 419 | 31 | 5 |
| 808 | Collective behavior | 10 | 419 | 14 | 4 |
| 808 | cell adhesion molecules | 16 | 419 | 117 | 187 |
| 808 | European Union | 14 | 419 | 40 | 38 |
| 812 | Public Choice | 9 | 418 | 155 | 109 |
| 813 | Biofilms | 10 | 406 | 19 | 23 |
| 813 | Estuaries | 9 | 406 | 84 | 103 |
| 815 | Reading | 23 | 405 | 142 | 202 |
| 816 | crime | 27 | 403 | 164 | 226 |
| 817 | Nuclear Chemistry | 16 | 400 | 509 | 349 |
| 817 | breastfeeding | 11 | 400 | 195 | 136 |
| 819 | Learning disabilities | 28 | 396 | 191 | 309 |
| 819 | population geography | 14 | 396 | 80 | 91 |
| 821 | Work | 9 | 395 | 139 | 83 |
| 822 | Political Sociology | 26 | 392 | 64 | 147 |
| 823 | Pituitary gland | 13 | 391 | 57 | 65 |
| 824 | Melanoma | 4 | 389 | 205 | 85 |
| 824 | local government | 21 | 389 | 54 | 97 |
| 826 | System analysis | 26 | 384 | 788 | 1049 |
| 827 | Nonverbal Communication | 18 | 382 | 26 | 77 |
| 828 | Consumer Protection | 8 | 380 | 73 | 54 |
| 828 | Customer Relations | 8 | 380 | 19 | 8 |
| 830 | Chromosomes | 13 | 374 | 479 | 609 |
| 830 | drug evaluation | 10 | 374 | 764 | 534 |
| 832 | Molecular Pharmacology | 6 | 372 | 656 | 534 |
| 832 | Composite Materials | 17 | 372 | 1322 | 1731 |
| 832 | Gastrointestinal diseases | 21 | 372 | 139 | 197 |
| 835 | Requirements Engineering | 14 | 371 | 5 | 17 |
| 835 | health services accessibility | 25 | 371 | 231 | 391 |
| 837 | families | 18 | 368 | 279 | 274 |
| 838 | Neurovirology | 15 | 367 | 70 | 99 |
| 838 | Food service management | 4 | 367 | 330 | 242 |
| 840 | Action Research | 24 | 366 | 9 | 22 |
| 841 | Production Management | 9 | 364 | 642 | 780 |
| 842 | Holistic Health | 13 | 362 | 92 | 92 |
| 843 | Fluid Mechanics | 17 | 360 | 796 | 823 |
| 843 | urban forestry | 5 | 360 | 151 | 60 |
| 845 | international trade | 17 | 359 | 159 | 243 |
| 846 | Diplomatic relations | 26 | 358 | 162 | 79 |
| 847 | Process Control | 8 | 352 | 512 | 612 |
| 847 | Crisis Intervention | 2 | 352 | 254 | 48 |
| 847 | health services | 22 | 352 | 320 | 461 |
| 850 | public opinion polls | 12 | 351 | 15 | 9 |
| 851 | Welfare Economics | 16 | 349 | 119 | 216 |
| 852 | food technology | 15 | 348 | 1278 | 1566 |
| 852 | Writing | 17 | 348 | 43 | 83 |
| 854 | Solar Energy | 6 | 346 | 1411 | 1040 |
| 855 | Crystallography | 54 | 345 | 302 | 522 |
| 855 | allied health | 9 | 345 | 87 | 72 |
| 857 | Organ transplantation | 14 | 341 | 176 | 119 |
| 857 | cryosphere | 15 | 341 | 185 | 263 |
| 859 | Vision | 10 | 340 | 390 | 421 |
| 860 | environmental indicators | 9 | 338 | 627 | 687 |
| 860 | toxicity testing | 5 | 338 | 627 | 336 |
| 862 | Parasites | 11 | 337 | 960 | 805 |
| 863 | Geometry | 33 | 336 | 291 | 274 |
| 864 | Feminist Economics | 3 | 335 | 65 | 21 |
| 864 | Fishery management | 13 | 335 | 407 | 379 |
| 866 | Electrocardiography | 22 | 334 | 80 | 83 |
| 866 | DNA polymerases | 5 | 334 | 391 | 647 |
| 868 | Evidence-Based Medicine | 13 | 333 | 545 | 434 |
| 868 | Gender identity | 32 | 333 | 10 | 33 |
| 870 | design | 9 | 332 | 111 | 72 |
| 871 | Behavioral research | 15 | 331 | 82 | 72 |
| 872 | Politics | 8 | 328 | 416 | 194 |
| 872 | research and development | 7 | 328 | 135 | 122 |
| 872 | government | 8 | 328 | 482 | 260 |
| 875 | Logistics | 9 | 327 | 220 | 256 |
| 876 | Human-Computer Interaction | 22 | 326 | 378 | 682 |
| 877 | Asthma | 18 | 323 | 189 | 264 |
| 877 | Marine Biotechnology | 8 | 323 | 108 | 97 |
| 879 | Social Change | 16 | 322 | 287 | 668 |
| 880 | Feminist theory | 33 | 321 | 4 | 42 |
| 880 | Raman spectroscopy | 5 | 321 | 708 | 327 |
| 880 | Thorax | 14 | 321 | 200 | 339 |
| 883 | Menopause | 8 | 320 | 154 | 108 |
| 884 | Serology | 11 | 319 | 178 | 188 |
| 884 | school sports | 15 | 319 | 24 | 37 |
| 886 | Eastern Europe | 27 | 317 | 145 | 151 |
| 888 | Higher Education | 14 | 314 | 192 | 197 |
| 890 | Thin Films | 22 | 310 | 96 | 154 |
| 891 | consumer behavior | 7 | 306 | 308 | 297 |
| 892 | Systems Analysis | 18 | 304 | 329 | 422 |
| 892 | Family | 15 | 304 | 400 | 467 |
| 894 | Voice Disorders | 21 | 303 | 6 | 17 |
| 894 | animals | 23 | 303 | 360 | 509 |
| 896 | Communication and Culture | 32 | 299 | 14 | 39 |
| 897 | Emergency Nursing | 14 | 298 | 29 | 25 |
| 898 | Cell division | 5 | 297 | 462 | 276 |
| 900 | Intelligence | 4 | 293 | 222 | 154 |
| 900 | Personality Assessment | 6 | 293 | 415 | 397 |
| 902 | General Surgery | 22 | 291 | 262 | 350 |
| 903 | Oral Pathology | 15 | 289 | 7 | 33 |
| 903 | Enzyme | 6 | 289 | 321 | 305 |
| 905 | Logic Programming | 16 | 287 | 70 | 60 |
| 906 | Geriatric Pharmacology | 9 | 286 | 138 | 140 |
| 906 | Cell survival | 5 | 286 | 125 | 92 |
| 906 | molecular chaperones | 5 | 286 | 154 | 92 |
| 909 | Clinical Trials | 7 | 285 | 389 | 266 |
| 909 | Cosmology | 24 | 285 | 529 | 630 |
| 909 | Technological Innovations | 11 | 285 | 418 | 474 |
| 912 | Organometallic compounds | 11 | 284 | 695 | 673 |
| 912 | Soil ecology | 6 | 284 | 595 | 536 |
| 914 | Tropical Medicine | 16 | 283 | 858 | 967 |
| 915 | Crisis management | 12 | 280 | 15 | 32 |
| 916 | industrial waste | 8 | 278 | 453 | 683 |
| 917 | Combustion | 5 | 277 | 1117 | 758 |
| 917 | planning | 18 | 277 | 154 | 214 |
| 917 | Educational evaluation | 14 | 277 | 32 | 39 |
| 920 | Political Psychology | 17 | 276 | 84 | 198 |
| 920 | Solar power plants | 2 | 276 | 303 | 129 |
| 920 | Career development | 23 | 276 | 51 | 98 |
| 920 | Photovoltaic Cells | 2 | 276 | 303 | 129 |
| 924 | Liquid Crystals | 22 | 274 | 304 | 235 |
| 924 | nursing ethics | 11 | 274 | 57 | 74 |
| 924 | radioactive waste | 7 | 274 | 469 | 687 |
| 924 | Hazardous waste | 7 | 274 | 588 | 734 |
| 928 | Travel | 16 | 272 | 272 | 318 |
| 929 | Geriatric Nursing | 13 | 268 | 131 | 88 |
| 929 | Geomagnetism | 6 | 268 | 573 | 393 |
| 931 | men | 5 | 263 | 175 | 77 |
| 933 | Financial management | 6 | 262 | 354 | 365 |
| 934 | disease vectors | 6 | 259 | 772 | 596 |
| 934 | Phytotherapy | 5 | 259 | 733 | 459 |
| 936 | Interferons | 8 | 258 | 126 | 132 |
| 936 | Genes | 9 | 258 | 715 | 696 |
| 938 | Geodynamics | 11 | 257 | 489 | 611 |
| 938 | Carbon | 6 | 257 | 1114 | 1179 |
| 938 | Ore deposits | 13 | 257 | 218 | 301 |
| 938 | Entomology | 13 | 257 | 1427 | 1270 |
| 942 | masculinity | 4 | 256 | 53 | 27 |
| 943 | Regional Economics | 17 | 255 | 83 | 189 |
| 943 | Disability Studies | 25 | 255 | 21 | 54 |
| 943 | Socialization | 7 | 255 | 313 | 364 |
| 943 | Product life cycle | 8 | 255 | 139 | 205 |
| 943 | green products | 8 | 255 | 122 | 202 |
| 943 | role | 7 | 255 | 252 | 307 |
| 950 | Fertilizers | 6 | 254 | 262 | 203 |
| 950 | liver | 13 | 254 | 89 | 124 |
| 952 | Cardiovascular Pharmacology | 13 | 253 | 71 | 113 |
| 953 | Engineering Mathematics | 18 | 252 | 1099 | 1067 |
| 954 | Genetic variation | 11 | 251 | 30 | 37 |
| 955 | mutation | 9 | 248 | 339 | 547 |
| 955 | Waste management | 9 | 248 | 851 | 664 |
| 955 | Chemical analysis | 13 | 248 | 568 | 765 |
| 955 | Sedimentary rocks | 2 | 248 | 832 | 383 |
| 955 | Speech | 19 | 248 | 302 | 607 |
| 960 | sex crimes | 15 | 247 | 216 | 312 |
| 961 | Liquid chromatography | 4 | 245 | 521 | 98 |
| 962 | landscapes | 7 | 244 | 76 | 59 |
| 962 | Cellulose | 4 | 244 | 560 | 376 |
| 964 | Long-Term Care | 5 | 243 | 492 | 449 |
| 964 | Long-term care facilities | 5 | 243 | 486 | 449 |
| 966 | NMR | 8 | 240 | 315 | 183 |
| 967 | Image Processing | 3 | 238 | 2380 | 1385 |
| 967 | Law and Economics | 7 | 238 | 142 | 66 |
| 969 | solar power | 3 | 237 | 960 | 656 |
| 969 | freshwater biology | 14 | 237 | 387 | 594 |
| 972 | Project Management | 8 | 236 | 127 | 284 |
| 972 | Hemophilia | 19 | 236 | 180 | 286 |
| 972 | concrete | 1 | 236 | 1767 | 871 |
| 972 | Cement | 1 | 236 | 1130 | 600 |
| 976 | Social interaction | 24 | 235 | 42 | 175 |
| 976 | biochemical markers | 9 | 235 | 413 | 374 |
| 978 | Religion | 27 | 233 | 260 | 160 |
| 978 | organizational effectiveness | 9 | 233 | 153 | 181 |
| 980 | Solar System | 5 | 232 | 794 | 662 |
| 981 | North America | 10 | 229 | 488 | 423 |
| 982 | Bioremediation | 10 | 228 | 287 | 491 |
| 983 | hygiene | 8 | 227 | 272 | 274 |
| 984 | Infection control | 12 | 226 | 287 | 434 |
| 984 | Consumer education | 16 | 226 | 48 | 194 |
| 986 | Rural Development | 24 | 225 | 78 | 287 |
| 986 | Manufacturing Processes | 6 | 225 | 1959 | 1550 |
| 986 | Quality Control | 13 | 225 | 791 | 1155 |
| 986 | embryo transfer | 15 | 225 | 153 | 256 |
| 986 | Microstructure | 23 | 225 | 133 | 258 |
| 991 | Vocational Education | 20 | 224 | 142 | 227 |
| 991 | Greenhouse gases | 4 | 224 | 310 | 268 |
| 993 | Medicinal plants | 8 | 223 | 957 | 1177 |
| 993 | Radiation effects | 6 | 223 | 432 | 455 |
| 995 | California | 7 | 217 | 306 | 238 |
| 996 | Environmental Geology | 11 | 216 | 821 | 1106 |
| 996 | Interpersonal Communication | 5 | 216 | 27 | 19 |
| 996 | Neuroplasticity | 4 | 216 | 325 | 170 |
| 996 | neuronal plasticity | 4 | 216 | 257 | 152 |
| 996 | movement | 3 | 216 | 352 | 190 |
| 1003 | Chemical kinetics | 13 | 215 | 273 | 192 |
| 1004 | Feminist criticism | 4 | 214 | 78 | 14 |
| 1006 | Mass Media | 22 | 213 | 262 | 220 |
| 1006 | biomedicine | 8 | 213 | 499 | 509 |
| 1006 | drug toxicity | 6 | 213 | 238 | 256 |
| 1009 | Antibacterial agents | 9 | 211 | 392 | 592 |
| 1010 | Job satisfaction | 3 | 210 | 106 | 107 |
| 1010 | DNA repair | 7 | 210 | 182 | 238 |
| 1010 | job stress | 3 | 210 | 106 | 107 |
| 1010 | drug abuse | 16 | 210 | 241 | 398 |
| 1014 | Functional Genomics | 6 | 208 | 190 | 299 |
| 1014 | Microbial Biotechnology | 6 | 208 | 701 | 634 |
| 1014 | embryonic development | 7 | 208 | 277 | 301 |
| 1014 | Combinatorial analysis | 15 | 208 | 507 | 387 |
| 1018 | Structural dynamics | 10 | 207 | 606 | 846 |
| 1018 | Semiotics | 18 | 207 | 59 | 37 |
| 1018 | Developmental Immunology | 11 | 207 | 347 | 591 |
| 1018 | Aquatic ecosystems | 20 | 207 | 24 | 37 |
| 1022 | Paleoceanography | 3 | 206 | 233 | 253 |
| 1023 | Industrial Organization | 6 | 205 | 190 | 176 |
| 1024 | Catalysts | 8 | 204 | 404 | 395 |
| 1025 | Crime prevention | 18 | 203 | 58 | 82 |
| 1026 | Water Purification | 7 | 202 | 784 | 633 |
| 1027 | Cytoskeleton | 11 | 201 | 99 | 207 |
| 1027 | Insects | 7 | 201 | 1188 | 959 |
| 1029 | Anxiety Disorders | 6 | 200 | 404 | 646 |
| 1029 | Anxiety | 6 | 200 | 405 | 651 |
| 1031 | Sedimentology | 5 | 199 | 521 | 454 |
| 1031 | ports | 6 | 199 | 107 | 95 |
| 1033 | Computer-Aided Design | 12 | 198 | 550 | 749 |
| 1033 | Leadership | 14 | 198 | 117 | 450 |
| 1035 | Genetic markers | 7 | 197 | 88 | 94 |
| 1035 | amino acids | 9 | 197 | 248 | 430 |
| 1037 | Wireless Communication Systems | 7 | 196 | 1581 | 1098 |
| 1038 | psychophysics | 3 | 195 | 377 | 146 |
| 1039 | Inclusive Education | 9 | 193 | 45 | 59 |
| 1039 | Integration | 9 | 193 | 42 | 59 |
| 1039 | indoor air pollution | 7 | 193 | 198 | 278 |
| 1039 | Ventilation | 7 | 193 | 304 | 325 |
| 1039 | Sick building syndrome | 7 | 193 | 198 | 278 |
| 1039 | magnetic resonance | 6 | 193 | 420 | 252 |
| 1046 | Carcinogenesis | 8 | 192 | 708 | 1033 |
| 1046 | Multilingualism | 17 | 192 | 27 | 122 |
| 1049 | ecotourism | 7 | 191 | 104 | 110 |
| 1050 | nutrition policy | 9 | 190 | 9 | 8 |
| 1050 | Developmental Neurobiology | 8 | 190 | 297 | 346 |
| 1050 | Respiratory Infections | 3 | 190 | 435 | 224 |
| 1050 | economic development projects | 9 | 190 | 59 | 79 |
| 1050 | Influenza | 3 | 190 | 330 | 165 |
| 1056 | Agricultural Ecology | 3 | 189 | 1376 | 1156 |
| 1056 | libraries | 6 | 189 | 578 | 249 |
| 1056 | cultural pluralism | 14 | 189 | 76 | 146 |
| 1059 | psychopathology | 4 | 188 | 336 | 304 |
| 1060 | Food Microbiology | 7 | 187 | 938 | 1311 |
| 1060 | Marine biodiversity | 15 | 187 | 62 | 73 |
| 1062 | Corporate governance | 9 | 186 | 220 | 360 |
| 1062 | Uncertainty | 6 | 186 | 88 | 113 |
| 1064 | Computational Linguistics | 27 | 184 | 38 | 139 |
| 1064 | Greece | 35 | 184 | 2 | 2 |
| 1066 | Middle East | 18 | 183 | 268 | 365 |
| 1066 | Antarctica | 10 | 183 | 251 | 241 |
| 1068 | Critical theory | 11 | 182 | 30 | 41 |
| 1068 | Recycling | 3 | 182 | 660 | 787 |
| 1070 | Teratology | 5 | 180 | 288 | 307 |
| 1070 | European integration | 8 | 180 | 117 | 151 |
| 1070 | European Economic Community | 8 | 180 | 113 | 151 |
| 1073 | Green Chemistry | 4 | 179 | 1723 | 1784 |
| 1073 | computer networks | 8 | 179 | 1711 | 1652 |
| 1075 | Hematopoietic stem cell transplantation | 7 | 178 | 261 | 446 |
| 1075 | DNA methylation | 6 | 178 | 176 | 291 |
| 1077 | Informatics | 15 | 176 | 282 | 720 |
| 1077 | police | 9 | 176 | 190 | 151 |
| 1079 | soil conservation | 6 | 175 | 562 | 582 |
| 1080 | Bacterial diseases | 8 | 174 | 67 | 175 |
| 1081 | community development | 9 | 173 | 292 | 332 |
| 1081 | Smoking | 8 | 173 | 527 | 743 |
| 1083 | Atherosclerosis | 4 | 172 | 167 | 138 |
| 1084 | medical errors | 8 | 171 | 13 | 15 |
| 1084 | safety | 8 | 171 | 14 | 27 |
| 1086 | Social History | 17 | 170 | 152 | 153 |
| 1087 | Religion and Psychology | 10 | 169 | 194 | 183 |
| 1087 | cell movement | 9 | 169 | 97 | 256 |
| 1087 | Glass | 4 | 169 | 1213 | 977 |
| 1087 | Water chemistry | 9 | 169 | 77 | 124 |
| 1091 | Forensic Genetics | 6 | 168 | 188 | 213 |
| 1091 | air quality management | 6 | 168 | 327 | 421 |
| 1094 | Software Maintenance | 11 | 166 | 28 | 55 |
| 1094 | Amyotrophic Lateral Sclerosis | 6 | 166 | 175 | 241 |
| 1094 | Frontotemporal lobar degeneration | 6 | 166 | 138 | 157 |
| 1094 | social science | 3 | 166 | 173 | 150 |