| 1 | Science | 3,851 | 320.7K | 52 | 66 |
| 2 | Physics | 4,104 | 298.3K | 70 | 88 |
| 3 | Astrophysics | 2,922 | 282.7K | 36 | 26 |
| 4 | Biology | 3,935 | 245.0K | 50 | 101 |
| 5 | Medicine | 3,808 | 225.1K | 53 | 62 |
| 6 | Spectrum analysis | 2,570 | 204.9K | 21 | 19 |
| 7 | Biochemistry | 4,362 | 199.1K | 43 | 51 |
| 8 | Molecular Biology | 2,628 | 181.4K | 49 | 58 |
| 9 | Microbiology | 2,371 | 174.6K | 20 | 22 |
| 10 | Chemistry | 2,759 | 169.5K | 112 | 111 |
| 11 | Astronomy | 1,958 | 159.2K | 53 | 39 |
| 12 | Nuclear Physics | 2,788 | 140.5K | 38 | 26 |
| 13 | Neurology | 2,354 | 138.7K | 55 | 72 |
| 14 | United States | 4,125 | 115.7K | 11 | 15 |
| 15 | Ecology | 1,638 | 112.1K | 48 | 56 |
| 16 | Psychology | 1,894 | 112.1K | 19 | 21 |
| 17 | Hematology | 1,899 | 110.5K | 16 | 12 |
| 18 | Research | 2,768 | 110.2K | 45 | 45 |
| 19 | Materials | 1,598 | 101.3K | 84 | 68 |
| 20 | Cell Biology | 917 | 94.2K | 60 | 71 |
| 21 | Natural history | 552 | 94.1K | 85 | 139 |
| 22 | Botany | 1,401 | 86.4K | 17 | 16 |
| 23 | Cytology | 913 | 85.9K | 83 | 82 |
| 24 | Medical genetics | 647 | 85.1K | 52 | 27 |
| 25 | management | 580 | 82.7K | 25 | 15 |
| 26 | Environment | 1,107 | 81.3K | 23 | 26 |
| 27 | Cancer | 1,050 | 75.4K | 20 | 15 |
| 28 | Virology | 783 | 74.3K | 41 | 66 |
| 29 | Behavior | 870 | 69.1K | 33 | 11 |
| 30 | Pediatrics | 1,581 | 64.9K | 16 | 27 |
| 31 | Genetics | 875 | 61.2K | 54 | 69 |
| 32 | Social Psychology | 936 | 60.8K | 10 | 15 |
| 33 | Immunology | 977 | 57.2K | 36 | 63 |
| 34 | Pollution | 880 | 55.9K | 56 | 53 |
| 35 | Urology | 1,316 | 55.7K | 7 | 8 |
| 36 | Materials Science | 1,075 | 53.7K | 72 | 64 |
| 37 | Human genetics | 318 | 52.9K | 81 | 115 |
| 38 | Psychophysiology | 922 | 51.7K | 34 | 38 |
| 39 | Metallurgy | 761 | 51.0K | 14 | 6 |
| 40 | Solid State Physics | 1,180 | 47.9K | 75 | 70 |
| 41 | Condensed Matter | 1,164 | 47.4K | 64 | 75 |
| 42 | Biotechnology | 749 | 47.2K | 88 | 78 |
| 43 | Metals | 663 | 46.7K | 16 | 9 |
| 44 | Psychiatry | 921 | 46.4K | 68 | 82 |
| 45 | Sociology | 747 | 46.0K | 17 | 15 |
| 46 | Biophysics | 1,288 | 45.7K | 67 | 72 |
| 47 | Quantum Gravity | 915 | 45.1K | 37 | 38 |
| 48 | human behavior | 459 | 44.8K | 37 | 17 |
| 49 | Radio | 894 | 44.6K | 5 | 8 |
| 50 | Oncology | 493 | 43.5K | 17 | 14 |
| 51 | Communication | 694 | 43.4K | 11 | 2 |
| 52 | Pharmacology | 1,218 | 43.2K | 55 | 63 |
| 53 | Nanotechnology | 582 | 42.0K | 166 | 136 |
| 54 | Public Health | 787 | 41.3K | 106 | 81 |
| 55 | Electronics | 640 | 40.4K | 54 | 22 |
| 56 | Neurophysiology | 552 | 40.3K | 80 | 78 |
| 57 | Physiology | 1,044 | 39.4K | 53 | 73 |
| 58 | Endocrinology | 704 | 38.9K | 67 | 85 |
| 59 | Environmental Engineering | 617 | 38.6K | 34 | 33 |
| 60 | Surgery | 366 | 38.2K | 39 | 44 |
| 61 | Soil Science | 590 | 37.8K | 12 | 7 |
| 62 | Economics | 741 | 37.4K | 50 | 50 |
| 63 | Nutrition | 830 | 37.4K | 25 | 29 |
| 64 | Mathematics | 2,093 | 36.6K | 21 | 29 |
| 65 | Environmental Health | 614 | 36.1K | 93 | 85 |
| 66 | Research Design | 123 | 35.3K | 57 | 10 |
| 67 | personality | 424 | 33.8K | 11 | 17 |
| 68 | Intercultural Communication | 9 | 33.6K | 162 | 1 |
| 69 | Cross-Cultural Studies | 10 | 33.5K | 272 | 1 |
| 70 | Liposomes | 36 | 32.9K | 38 | 5 |
| 71 | Lipid bilayers | 34 | 32.8K | 37 | 5 |
| 72 | Radio waves | 744 | 32.2K | 2 | 2 |
| 73 | Education | 1,434 | 32.0K | 9 | 22 |
| 74 | Bioengineering | 482 | 31.2K | 88 | 90 |
| 75 | Chemical Engineering | 600 | 31.1K | 147 | 109 |
| 76 | Microbial Ecology | 417 | 30.9K | 24 | 39 |
| 77 | Immunity | 243 | 30.5K | 68 | 76 |
| 78 | Geography | 690 | 30.3K | 5 | 9 |
| 79 | Psychometrics | 145 | 29.8K | 15 | 2 |
| 80 | Metabolism | 389 | 29.7K | 100 | 87 |
| 81 | Plant cells | 205 | 29.6K | 41 | 34 |
| 82 | Child Development | 574 | 28.9K | 19 | 32 |
| 83 | Metabolic diseases | 321 | 27.8K | 92 | 77 |
| 84 | Statistics | 638 | 27.2K | 26 | 35 |
| 85 | Obstetrics | 789 | 25.9K | 25 | 28 |
| 86 | marketing | 206 | 25.9K | 28 | 25 |
| 87 | Electrochemistry | 583 | 25.7K | 100 | 42 |
| 88 | Plants | 235 | 25.6K | 43 | 36 |
| 89 | Medical Microbiology | 358 | 25.5K | 22 | 26 |
| 90 | environmental pollution | 585 | 25.4K | 46 | 52 |
| 91 | nucleic acids | 331 | 25.3K | 23 | 47 |
| 92 | Telecommunication | 333 | 25.2K | 80 | 45 |
| 93 | Cardiovascular system | 336 | 24.9K | 51 | 65 |
| 94 | Animal Behavior | 350 | 24.8K | 51 | 36 |
| 95 | Operations Research | 360 | 24.5K | 22 | 14 |
| 96 | Plant diseases | 624 | 23.7K | 12 | 13 |
| 97 | Biomedical Engineering | 518 | 23.2K | 109 | 79 |
| 98 | Child | 962 | 23.1K | 12 | 20 |
| 99 | Geophysics | 597 | 22.4K | 134 | 147 |
| 100 | Environmental Policy | 306 | 22.3K | 47 | 34 |
| 101 | Geology | 479 | 21.5K | 93 | 98 |
| 102 | Pathology | 367 | 21.5K | 43 | 44 |
| 103 | Brain | 411 | 21.4K | 83 | 79 |
| 104 | Catalysis | 423 | 21.3K | 161 | 153 |
| 105 | viruses | 339 | 21.2K | 35 | 46 |
| 106 | Speech | 353 | 21.2K | 7 | 2 |
| 107 | Genomics | 436 | 21.1K | 39 | 37 |
| 108 | Entomology | 732 | 21.0K | 16 | 20 |
| 109 | Biocompatible Materials | 367 | 21.0K | 165 | 156 |
| 110 | plant molecular biology | 199 | 20.9K | 47 | 45 |
| 111 | Polymers | 438 | 20.8K | 228 | 150 |
| 112 | Meteorology | 290 | 20.7K | 99 | 76 |
| 113 | Social Sciences | 658 | 20.5K | 27 | 24 |
| 114 | Speech Disorders | 371 | 20.5K | 18 | 5 |
| 115 | soil microbiology | 265 | 20.3K | 21 | 21 |
| 116 | Ethology | 254 | 20.2K | 49 | 29 |
| 117 | Pharmaceutical Chemistry | 554 | 20.1K | 48 | 68 |
| 118 | Neuroimmunology | 253 | 19.8K | 1 | 1 |
| 119 | Nervous system | 214 | 19.5K | 121 | 79 |
| 120 | Production Management | 198 | 19.5K | 8 | 6 |
| 121 | Medical Oncology | 512 | 19.3K | 19 | 33 |
| 122 | Child psychology | 497 | 19.2K | 23 | 55 |
| 123 | Psychoneuroimmunology | 241 | 19.0K | 1 | 1 |
| 124 | Agriculture | 504 | 18.9K | 22 | 15 |
| 125 | Cognition | 302 | 18.7K | 50 | 41 |
| 126 | drug therapy | 569 | 18.7K | 14 | 26 |
| 127 | Biochemical Engineering | 218 | 18.5K | 179 | 150 |
| 128 | Business | 169 | 18.2K | 47 | 35 |
| 129 | Food | 275 | 18.1K | 58 | 24 |
| 130 | Artificial Intelligence | 270 | 17.9K | 118 | 95 |
| 131 | Biomass Energy | 205 | 17.8K | 58 | 35 |
| 132 | Sports Medicine | 438 | 17.7K | 30 | 31 |
| 133 | Decision making | 232 | 17.7K | 9 | 13 |
| 134 | Toxicology | 466 | 17.6K | 94 | 95 |
| 135 | Medical Laboratory Science | 224 | 17.5K | 42 | 21 |
| 136 | Colloids | 311 | 17.5K | 185 | 109 |
| 137 | Neurochemistry | 322 | 17.5K | 68 | 62 |
| 138 | Database Management | 169 | 17.4K | 22 | 3 |
| 139 | Optics | 835 | 17.2K | 103 | 111 |
| 140 | Signal Processing | 303 | 17.1K | 103 | 87 |
| 141 | food technology | 315 | 17.0K | 39 | 21 |
| 142 | Host-parasite interactions | 159 | 16.9K | 34 | 30 |
| 143 | Diagnostic microbiology | 204 | 16.8K | 15 | 18 |
| 144 | Technology | 343 | 16.8K | 111 | 52 |
| 145 | Vocational guidance | 410 | 16.7K | 6 | 9 |
| 146 | transport vesicles | 17 | 16.6K | 24 | 22 |
| 147 | Developmental Disabilities | 256 | 16.6K | 11 | 12 |
| 148 | Leukemia | 242 | 16.5K | 12 | 19 |
| 149 | Hypertension | 220 | 16.3K | 98 | 94 |
| 150 | finance | 154 | 16.2K | 98 | 16 |
| 151 | Analytical Chemistry | 345 | 16.1K | 193 | 132 |
| 152 | Cytogenetics | 170 | 16.1K | 63 | 54 |
| 153 | Political Science | 325 | 15.9K | 34 | 25 |
| 154 | Perception | 434 | 15.8K | 38 | 39 |
| 155 | Surface Chemistry | 282 | 15.7K | 194 | 115 |
| 156 | Information Theory | 203 | 15.7K | 41 | 29 |
| 157 | Mathematical Physics | 259 | 15.7K | 148 | 67 |
| 158 | Health | 470 | 15.5K | 19 | 23 |
| 159 | behavioral medicine | 193 | 15.5K | 31 | 21 |
| 160 | Climatology | 188 | 15.5K | 90 | 54 |
| 161 | Oncogenes | 165 | 15.4K | 31 | 29 |
| 162 | Teaching | 331 | 15.3K | 12 | 5 |
| 163 | Statistical physics | 441 | 15.3K | 168 | 137 |
| 164 | Hydrology | 364 | 15.0K | 39 | 51 |
| 165 | Mental Disorders | 325 | 15.0K | 109 | 128 |
| 166 | Diet | 335 | 14.8K | 27 | 57 |
| 167 | sanitation | 170 | 14.6K | 84 | 78 |
| 168 | Memory | 348 | 14.6K | 44 | 52 |
| 169 | Engineering | 480 | 14.5K | 47 | 43 |
| 170 | environmental protection | 188 | 14.5K | 112 | 32 |
| 171 | Geochemistry | 281 | 14.4K | 90 | 93 |
| 172 | Organic Chemistry | 488 | 14.3K | 30 | 54 |
| 173 | Biodiversity conservation | 133 | 14.3K | 81 | 79 |
| 174 | Soil biology | 196 | 14.3K | 12 | 18 |
| 175 | Clinical Chemistry | 389 | 14.2K | 43 | 56 |
| 176 | soil management | 181 | 14.2K | 5 | 2 |
| 177 | Planets | 240 | 14.1K | 100 | 75 |
| 178 | Therapeutics | 240 | 14.0K | 37 | 30 |
| 179 | Developmental Biology | 275 | 14.0K | 91 | 118 |
| 180 | Bacteriology | 346 | 14.0K | 40 | 80 |
| 181 | Environmental monitoring | 220 | 13.7K | 119 | 75 |
| 182 | Neurobiology | 195 | 13.4K | 93 | 90 |
| 183 | Virulence | 161 | 13.2K | 28 | 29 |
| 184 | Agronomy | 274 | 13.2K | 17 | 11 |
| 185 | Adolescent | 732 | 13.1K | 9 | 29 |
| 186 | Molecular Genetics | 172 | 13.1K | 70 | 57 |
| 187 | tillage | 156 | 13.1K | 4 | 2 |
| 188 | Ergonomics | 631 | 13.1K | 6 | 6 |
| 189 | Plant physiology | 200 | 13.0K | 72 | 67 |
| 190 | commerce | 90 | 12.9K | 55 | 37 |
| 191 | Pediatric Neurology | 82 | 12.9K | 94 | 58 |
| 192 | Cell differentiation | 218 | 12.9K | 67 | 101 |
| 193 | Economic History | 273 | 12.8K | 84 | 33 |
| 194 | Critical Care | 187 | 12.8K | 77 | 97 |
| 195 | Agricultural Ecology | 240 | 12.8K | 10 | 10 |
| 196 | Critical Care Medicine | 187 | 12.7K | 77 | 97 |
| 197 | Automation | 185 | 12.7K | 123 | 99 |
| 198 | Econometrics | 153 | 12.4K | 47 | 41 |
| 199 | nanoscience | 134 | 12.4K | 255 | 152 |
| 200 | gene mapping | 203 | 12.2K | 54 | 58 |
| 201 | Social behavior | 204 | 12.1K | 16 | 22 |
| 202 | Attention | 336 | 11.8K | 37 | 40 |
| 203 | Cybernetics | 199 | 11.7K | 26 | 31 |
| 203 | Earth Sciences | 230 | 11.7K | 127 | 114 |
| 205 | Physical Therapy | 281 | 11.7K | 20 | 25 |
| 206 | Health Education | 430 | 11.6K | 19 | 25 |
| 207 | Regional Planning | 303 | 11.5K | 11 | 17 |
| 208 | Neuropsychology | 309 | 11.5K | 53 | 66 |
| 209 | Climate change | 70 | 11.5K | 89 | 73 |
| 210 | Eutrophication | 68 | 11.4K | 90 | 73 |
| 211 | Cognitive Science | 146 | 11.2K | 34 | 37 |
| 212 | Environmental Chemistry | 165 | 11.2K | 46 | 86 |
| 213 | Adolescent Medicine | 153 | 11.1K | 14 | 11 |
| 214 | Radiobiology | 258 | 11.0K | 39 | 48 |
| 215 | genome | 154 | 10.9K | 55 | 88 |
| 216 | biological evolution | 202 | 10.9K | 99 | 161 |
| 217 | Agricultural Chemistry | 226 | 10.7K | 71 | 46 |
| 218 | Ophthalmology | 260 | 10.5K | 80 | 83 |
| 219 | Nursing | 384 | 10.4K | 6 | 9 |
| 220 | Computational Biology | 282 | 10.4K | 51 | 113 |
| 221 | Bioinformatics | 239 | 10.4K | 40 | 84 |
| 222 | Water | 196 | 10.4K | 107 | 140 |
| 223 | Combinatorial analysis | 222 | 10.3K | 12 | 4 |
| 224 | Insects | 141 | 10.2K | 36 | 11 |
| 225 | Parenteral nutrition | 189 | 10.2K | 7 | 27 |
| 226 | Membranes | 164 | 10.1K | 89 | 69 |
| 227 | Population Genetics | 104 | 10.1K | 72 | 41 |
| 228 | Immunotherapy | 139 | 10.0K | 78 | 78 |
| 229 | Neurons | 46 | 9.9K | 99 | 98 |
| 230 | Clinical Psychology | 272 | 9.9K | 20 | 58 |
| 231 | Chromosome mapping | 182 | 9.9K | 38 | 43 |
| 232 | Mental illness | 221 | 9.9K | 80 | 107 |
| 233 | rehabilitation | 326 | 9.9K | 38 | 57 |
| 234 | Immune system | 51 | 9.8K | 123 | 93 |
| 235 | Visual Perception | 277 | 9.8K | 46 | 48 |
| 236 | Cognitive neuroscience | 123 | 9.7K | 56 | 64 |
| 237 | Pharmacy | 416 | 9.7K | 25 | 45 |
| 238 | Computer Graphics | 292 | 9.7K | 40 | 54 |
| 239 | Family | 305 | 9.6K | 9 | 9 |
| 240 | Signal Transduction | 140 | 9.6K | 32 | 29 |
| 241 | counseling | 380 | 9.5K | 9 | 17 |
| 242 | Dermatology | 434 | 9.5K | 35 | 60 |
| 243 | Anatomy | 217 | 9.4K | 84 | 97 |
| 244 | Educational Psychology | 261 | 9.4K | 20 | 42 |
| 245 | Epidemiology | 339 | 9.3K | 128 | 197 |
| 246 | Environmental Microbiology | 100 | 9.3K | 40 | 22 |
| 247 | Physical Chemistry | 204 | 9.2K | 90 | 94 |
| 248 | Psychosomatic Medicine | 71 | 9.2K | 57 | 17 |
| 249 | polymerization | 247 | 9.1K | 316 | 261 |
| 250 | Body Image | 68 | 9.1K | 4 | 1 |
| 251 | Psychopharmacology | 148 | 9.1K | 93 | 94 |
| 252 | actuators | 151 | 9.1K | 85 | 47 |
| 252 | transducers | 151 | 9.1K | 85 | 47 |
| 254 | Land use | 153 | 9.1K | 6 | 3 |
| 255 | Muscles | 161 | 9.0K | 6 | 4 |
| 256 | Aging | 421 | 9.0K | 62 | 142 |
| 257 | Environmental Management | 211 | 9.0K | 54 | 74 |
| 258 | Health Policy | 185 | 9.0K | 109 | 62 |
| 259 | Orthopedics | 256 | 8.9K | 29 | 37 |
| 260 | Molecular Spectroscopy | 287 | 8.9K | 10 | 8 |
| 261 | Molecular Microbiology | 127 | 8.8K | 23 | 34 |
| 262 | Developmental Psychology | 172 | 8.8K | 39 | 46 |
| 263 | Transplantation | 232 | 8.8K | 49 | 69 |
| 264 | Human Geography | 206 | 8.7K | 22 | 24 |
| 265 | Molecular ecology | 89 | 8.6K | 73 | 52 |
| 266 | Bioorganic chemistry | 253 | 8.6K | 62 | 89 |
| 267 | Microelectronics | 167 | 8.6K | 90 | 119 |
| 268 | miniaturization | 114 | 8.6K | 135 | 129 |
| 269 | Economic Development | 152 | 8.5K | 39 | 45 |
| 270 | Linguistics | 223 | 8.5K | 27 | 34 |
| 271 | Entrepreneurship | 43 | 8.4K | 62 | 29 |
| 272 | Control Theory | 150 | 8.4K | 90 | 35 |
| 273 | Biomechanics | 182 | 8.4K | 35 | 50 |
| 274 | Genetic therapy | 168 | 8.3K | 25 | 27 |
| 275 | Renewable Energy Sources | 83 | 8.3K | 254 | 184 |
| 276 | cell physiology | 177 | 8.3K | 57 | 89 |
| 277 | gene therapy | 95 | 8.3K | 51 | 25 |
| 278 | arthritis | 135 | 8.2K | 84 | 76 |
| 279 | Mechanical Engineering | 267 | 8.2K | 60 | 32 |
| 280 | Wireless Communication Systems | 218 | 8.2K | 112 | 111 |
| 281 | Allergy | 134 | 8.2K | 62 | 109 |
| 282 | Sports | 230 | 8.1K | 51 | 50 |
| 283 | Graph Theory | 127 | 8.1K | 12 | 3 |
| 284 | Transportation | 192 | 8.1K | 75 | 62 |
| 285 | Nanostructured Materials | 196 | 8.1K | 214 | 210 |
| 286 | Geriatrics | 468 | 8.1K | 68 | 155 |
| 287 | Reproduction | 262 | 8.0K | 71 | 93 |
| 288 | Growth | 123 | 8.0K | 86 | 118 |
| 289 | Electrical Engineering | 427 | 7.9K | 77 | 75 |
| 290 | Chemotherapy | 285 | 7.9K | 7 | 16 |
| 291 | soil conservation | 100 | 7.8K | 13 | 2 |
| 292 | Neuromuscular diseases | 149 | 7.7K | 6 | 4 |
| 293 | Health promotion | 257 | 7.6K | 25 | 39 |
| 294 | Microorganisms | 72 | 7.6K | 39 | 34 |
| 295 | Genetic engineering | 166 | 7.6K | 54 | 69 |
| 296 | Public Administration | 169 | 7.5K | 34 | 34 |
| 297 | Learning | 154 | 7.5K | 52 | 58 |
| 298 | Psycholinguistics | 150 | 7.5K | 36 | 46 |
| 299 | Matroids | 83 | 7.4K | 6 | 1 |
| 300 | Bacterial infections | 32 | 7.4K | 102 | 40 |
| 301 | mycoses | 24 | 7.4K | 142 | 34 |
| 302 | organization | 59 | 7.4K | 64 | 57 |
| 303 | Obesity | 217 | 7.3K | 80 | 119 |
| 304 | Political Psychology | 78 | 7.3K | 6 | 4 |
| 305 | Drug delivery systems | 67 | 7.2K | 101 | 43 |
| 306 | Plant Ecology | 123 | 7.2K | 98 | 92 |
| 307 | Fisheries | 200 | 7.2K | 54 | 39 |
| 308 | Nanostructures | 43 | 7.2K | 287 | 89 |
| 309 | Developing countries | 159 | 7.2K | 80 | 59 |
| 310 | mass transfer | 102 | 7.1K | 127 | 62 |
| 311 | carcinogens | 155 | 7.1K | 14 | 18 |
| 312 | Breeding | 191 | 7.1K | 35 | 34 |
| 313 | System analysis | 187 | 7.1K | 58 | 51 |
| 314 | Glass | 323 | 7.1K | 10 | 41 |
| 315 | Medical Anthropology | 119 | 7.0K | 78 | 75 |
| 316 | Respiration | 211 | 7.0K | 49 | 78 |
| 317 | Vaccines | 145 | 6.9K | 77 | 48 |
| 318 | Ceramics | 337 | 6.9K | 15 | 43 |
| 319 | Plastics | 90 | 6.9K | 86 | 17 |
| 320 | pottery | 319 | 6.9K | 10 | 41 |
| 321 | computer networks | 223 | 6.9K | 64 | 79 |
| 322 | Organizational Behavior | 64 | 6.8K | 29 | 21 |
| 323 | Disease | 21 | 6.8K | 34 | 59 |
| 324 | Meteorites | 107 | 6.8K | 96 | 102 |
| 325 | Medical Physics | 175 | 6.8K | 106 | 94 |
| 326 | consumer behavior | 106 | 6.8K | 4 | 6 |
| 327 | Evolution | 153 | 6.8K | 120 | 186 |
| 328 | Environmental Law | 29 | 6.8K | 201 | 40 |
| 329 | Image Processing | 126 | 6.8K | 162 | 149 |
| 330 | Forest Management | 98 | 6.7K | 69 | 38 |
| 331 | Analytical Biochemistry | 114 | 6.7K | 46 | 34 |
| 332 | plasticity | 71 | 6.6K | 7 | 7 |
| 333 | Tribology | 163 | 6.6K | 32 | 24 |
| 334 | Criminology | 156 | 6.6K | 36 | 21 |
| 335 | Ecological Engineering | 129 | 6.6K | 2 | 2 |
| 336 | Forest Ecology | 91 | 6.6K | 74 | 39 |
| 337 | Embryology | 153 | 6.6K | 103 | 148 |
| 337 | Emergency Medicine | 314 | 6.6K | 24 | 40 |
| 339 | Energy Policy | 99 | 6.6K | 214 | 148 |
| 340 | diseases | 15 | 6.6K | 61 | 63 |
| 341 | land degradation | 77 | 6.5K | 7 | 1 |
| 341 | degradation | 77 | 6.5K | 7 | 1 |
| 343 | Energy Conversion | 54 | 6.5K | 151 | 133 |
| 344 | city planning | 180 | 6.5K | 43 | 37 |
| 345 | Structural Engineering | 106 | 6.5K | 150 | 65 |
| 346 | psychotherapy | 116 | 6.4K | 96 | 93 |
| 347 | families | 200 | 6.4K | 13 | 8 |
| 348 | Social work | 378 | 6.3K | 22 | 25 |
| 349 | energy conservation | 77 | 6.3K | 197 | 139 |
| 350 | Rheumatology | 115 | 6.2K | 59 | 68 |
| 351 | Water pollution | 120 | 6.2K | 219 | 205 |
| 351 | Medical innovations | 76 | 6.2K | 48 | 71 |
| 353 | Food Microbiology | 138 | 6.2K | 26 | 45 |
| 354 | Sleep Disorders | 149 | 6.2K | 74 | 69 |
| 354 | Molecules | 92 | 6.2K | 145 | 42 |
| 356 | Oceanography | 110 | 6.2K | 184 | 140 |
| 357 | Manufacturing Processes | 220 | 6.1K | 85 | 91 |
| 358 | Oxidation-reduction | 102 | 6.1K | 9 | 19 |
| 359 | Sleep | 147 | 6.1K | 74 | 77 |
| 360 | Europe | 171 | 6.0K | 205 | 129 |
| 361 | preventive medicine | 138 | 6.0K | 54 | 67 |
| 362 | Diabetes | 125 | 5.9K | 192 | 220 |
| 363 | Animal ecology | 114 | 5.8K | 65 | 54 |
| 364 | mutagens | 111 | 5.8K | 18 | 18 |
| 365 | Carcinogenesis | 120 | 5.8K | 20 | 19 |
| 366 | Composite Materials | 131 | 5.8K | 260 | 249 |
| 367 | Intellectual disability | 170 | 5.7K | 16 | 18 |
| 368 | Communication in medicine | 146 | 5.7K | 11 | 5 |
| 369 | Molecular structure | 102 | 5.7K | 157 | 120 |
| 370 | Social problems | 68 | 5.6K | 28 | 17 |
| 371 | Stem cells | 138 | 5.6K | 69 | 76 |
| 372 | Histology | 127 | 5.6K | 107 | 108 |
| 373 | Environmental Toxicology | 117 | 5.6K | 105 | 117 |
| 374 | Aquaculture | 136 | 5.5K | 81 | 52 |
| 375 | enzymes | 139 | 5.5K | 37 | 37 |
| 376 | proteins | 172 | 5.5K | 73 | 116 |
| 377 | Criminal psychology | 80 | 5.4K | 55 | 24 |
| 378 | Wildlife conservation | 96 | 5.4K | 53 | 60 |
| 378 | Soil ecology | 103 | 5.4K | 12 | 15 |
| 380 | Antioxidants | 95 | 5.4K | 8 | 18 |
| 381 | Power Electronics | 84 | 5.4K | 109 | 82 |
| 382 | free radicals | 113 | 5.4K | 50 | 87 |
| 383 | Liver diseases | 73 | 5.3K | 201 | 214 |
| 384 | Sustainable Development | 57 | 5.3K | 146 | 74 |
| 385 | Paleoclimatology | 84 | 5.3K | 80 | 41 |
| 386 | Diabetes mellitus | 118 | 5.3K | 178 | 223 |
| 387 | Autism | 112 | 5.3K | 19 | 29 |
| 388 | plant communities | 87 | 5.2K | 61 | 73 |
| 389 | Gerontology | 338 | 5.2K | 52 | 77 |
| 390 | drug development | 62 | 5.2K | 64 | 82 |
| 391 | Industrial Engineering | 142 | 5.1K | 71 | 62 |
| 392 | Cell death | 82 | 5.1K | 89 | 149 |
| 393 | Dentistry | 194 | 5.1K | 18 | 12 |
| 394 | Zoology | 157 | 5.1K | 157 | 121 |
| 395 | Language Disorders | 242 | 5.1K | 14 | 31 |
| 396 | optical instruments | 141 | 5.1K | 11 | 14 |
| 397 | Lipids | 69 | 5.0K | 103 | 60 |
| 398 | Biogeochemistry | 85 | 5.0K | 90 | 98 |
| 399 | Paleogeography | 89 | 5.0K | 34 | 27 |
| 400 | cryosphere | 62 | 5.0K | 27 | 18 |
| 401 | Demography | 87 | 5.0K | 36 | 28 |
| 402 | crime | 92 | 4.9K | 23 | 16 |
| 403 | Environmental pollutants | 109 | 4.9K | 103 | 70 |
| 404 | Data Mining | 55 | 4.9K | 112 | 73 |
| 405 | Pharmacogenetics | 102 | 4.9K | 28 | 29 |
| 406 | innovation | 24 | 4.8K | 74 | 30 |
| 407 | Cell metabolism | 23 | 4.8K | 111 | 86 |
| 408 | Substance Abuse | 216 | 4.8K | 54 | 71 |
| 409 | water supply | 90 | 4.8K | 69 | 74 |
| 410 | Biometrics | 195 | 4.8K | 32 | 64 |
| 411 | health services | 200 | 4.8K | 21 | 30 |
| 412 | Dynamics | 148 | 4.8K | 19 | 11 |
| 412 | visualization | 325 | 4.8K | 8 | 22 |
| 414 | Politics | 104 | 4.8K | 25 | 13 |
| 414 | government | 104 | 4.8K | 40 | 16 |
| 416 | Homeostasis | 18 | 4.8K | 99 | 86 |
| 417 | Sustainable agriculture | 83 | 4.8K | 23 | 10 |
| 418 | Special Education | 201 | 4.7K | 17 | 26 |
| 419 | alcoholism | 223 | 4.7K | 59 | 97 |
| 420 | Enteral nutrition | 91 | 4.7K | 19 | 57 |
| 420 | Birds | 229 | 4.7K | 23 | 32 |
| 422 | Adolescent Psychology | 145 | 4.7K | 14 | 23 |
| 423 | Microwaves | 200 | 4.7K | 52 | 58 |
| 424 | Industrial Microbiology | 92 | 4.7K | 94 | 99 |
| 425 | Venture Capital | 17 | 4.7K | 38 | 22 |
| 426 | Fluid Dynamics | 104 | 4.7K | 62 | 33 |
| 427 | United Kingdom | 95 | 4.6K | 134 | 133 |
| 428 | Public Policy | 179 | 4.6K | 49 | 73 |
| 428 | pollutants | 92 | 4.6K | 94 | 67 |
| 430 | Molecular evolution | 90 | 4.6K | 92 | 125 |
| 431 | Electromagnetism | 100 | 4.6K | 42 | 15 |
| 432 | violence | 138 | 4.6K | 20 | 37 |
| 433 | child abuse | 168 | 4.6K | 11 | 38 |
| 434 | infection | 64 | 4.5K | 189 | 84 |
| 435 | Child welfare | 222 | 4.5K | 12 | 22 |
| 436 | Nuclear Energy | 112 | 4.5K | 72 | 23 |
| 437 | Great Lakes | 108 | 4.5K | 15 | 9 |
| 438 | Exercise | 94 | 4.5K | 60 | 29 |
| 439 | Cosmochemistry | 94 | 4.4K | 25 | 30 |
| 440 | Paleoecology | 82 | 4.4K | 65 | 40 |
| 440 | Lung Transplantation | 108 | 4.4K | 25 | 30 |
| 440 | Heart transplantation | 108 | 4.4K | 25 | 30 |
| 443 | Genetic regulation | 103 | 4.4K | 53 | 110 |
| 444 | Quality Control | 136 | 4.4K | 27 | 37 |
| 445 | Women's health | 158 | 4.4K | 25 | 27 |
| 446 | Medical Technology | 103 | 4.4K | 45 | 33 |
| 447 | Political Sociology | 60 | 4.3K | 22 | 9 |
| 448 | RNA | 99 | 4.3K | 6 | 14 |
| 449 | Recombinant DNA | 92 | 4.3K | 62 | 39 |
| 450 | Urban Economics | 72 | 4.3K | 8 | 8 |
| 451 | Pharmacognosy | 97 | 4.3K | 109 | 94 |
| 452 | Veterinary Immunology | 114 | 4.3K | 11 | 6 |
| 453 | Neural circuitry | 43 | 4.3K | 309 | 96 |
| 454 | Measurement | 111 | 4.3K | 44 | 22 |
| 455 | medical education | 213 | 4.3K | 86 | 114 |
| 456 | Microbial Genetics | 50 | 4.2K | 16 | 10 |
| 457 | world | 74 | 4.2K | 35 | 34 |
| 458 | Light | 62 | 4.2K | 68 | 124 |
| 459 | phytopathogenic bacteria | 47 | 4.2K | 15 | 10 |
| 460 | Parasitology | 164 | 4.2K | 91 | 111 |
| 461 | drug addiction | 175 | 4.2K | 54 | 87 |
| 462 | auditory perception | 69 | 4.2K | 10 | 12 |
| 463 | Infections | 45 | 4.1K | 158 | 76 |
| 464 | Mental Health | 189 | 4.1K | 39 | 60 |
| 465 | Biodiversity | 122 | 4.1K | 115 | 194 |
| 466 | Fishery management | 88 | 4.1K | 33 | 13 |
| 467 | adolescence | 121 | 4.1K | 42 | 55 |
| 468 | natural products | 108 | 4.1K | 78 | 67 |
| 469 | Smoking | 167 | 4.1K | 31 | 44 |
| 470 | data collection | 30 | 4.1K | 131 | 51 |
| 471 | Molecular Pharmacology | 87 | 4.0K | 23 | 34 |
| 472 | Health Services Research | 87 | 4.0K | 150 | 104 |
| 473 | energy resources | 55 | 4.0K | 118 | 125 |
| 474 | human development | 89 | 4.0K | 45 | 59 |
| 475 | behavior modification | 106 | 3.9K | 21 | 28 |
| 476 | Cosmology | 65 | 3.9K | 22 | 16 |
| 477 | Spine | 61 | 3.9K | 73 | 60 |
| 478 | Molecular cloning | 81 | 3.9K | 59 | 43 |
| 478 | Genetic recombination | 81 | 3.9K | 56 | 41 |
| 480 | Paleontology | 120 | 3.9K | 83 | 53 |
| 481 | Vision | 105 | 3.9K | 44 | 66 |
| 482 | nuclear magnetic resonance | 153 | 3.8K | 41 | 53 |
| 483 | Hearing | 193 | 3.8K | 18 | 33 |
| 484 | sustainability | 29 | 3.8K | 106 | 41 |
| 485 | Clinical Immunology | 122 | 3.8K | 45 | 54 |
| 486 | language | 305 | 3.8K | 3 | 40 |
| 487 | Quantitative Research | 82 | 3.8K | 5 | 6 |
| 488 | Algebra | 298 | 3.8K | 9 | 10 |
| 489 | Gene expression regulation | 84 | 3.7K | 51 | 103 |
| 490 | Health Services Administration | 73 | 3.7K | 62 | 39 |
| 491 | behavior therapy | 136 | 3.7K | 34 | 62 |
| 492 | Plant tissue culture | 73 | 3.7K | 23 | 9 |
| 493 | Agricultural Science | 38 | 3.7K | 23 | 12 |
| 493 | Animal breeding | 67 | 3.7K | 80 | 29 |
| 495 | nuclear astrophysics | 57 | 3.6K | 15 | 12 |
| 496 | Metallography | 60 | 3.6K | 49 | 11 |
| 497 | Occupational Therapy | 222 | 3.6K | 18 | 18 |
| 498 | Heart Failure | 105 | 3.6K | 27 | 36 |
| 499 | Evidence-Based Medicine | 124 | 3.6K | 11 | 6 |
| 500 | Learning disabilities | 149 | 3.6K | 17 | 33 |
| 501 | Robotics | 119 | 3.6K | 85 | 104 |
| 502 | Mycology | 111 | 3.6K | 97 | 124 |
| 503 | cardiac catheterization | 84 | 3.6K | 51 | 14 |
| 504 | Social perception | 42 | 3.5K | 5 | 3 |
| 505 | Radiography | 81 | 3.5K | 68 | 106 |
| 506 | Plant cell culture | 52 | 3.5K | 27 | 9 |
| 507 | China | 155 | 3.5K | 163 | 142 |
| 508 | economic policy | 168 | 3.5K | 62 | 94 |
| 509 | Speech Perception | 50 | 3.5K | 17 | 15 |
| 510 | Nuclear Chemistry | 54 | 3.5K | 114 | 14 |
| 511 | mathematical analysis | 206 | 3.5K | 88 | 89 |
| 512 | Systems Biology | 110 | 3.5K | 52 | 57 |
| 513 | Civil Engineering | 184 | 3.5K | 43 | 34 |
| 514 | Computer Vision | 74 | 3.5K | 88 | 134 |
| 515 | Kidney diseases | 55 | 3.4K | 97 | 56 |
| 516 | Photonics | 41 | 3.4K | 460 | 271 |
| 517 | older people | 306 | 3.4K | 44 | 74 |
| 518 | Family Therapy | 176 | 3.4K | 10 | 14 |
| 519 | Otolaryngology | 139 | 3.4K | 21 | 31 |
| 520 | Engineering Mathematics | 84 | 3.4K | 142 | 70 |
| 521 | Tourism | 42 | 3.3K | 247 | 167 |
| 522 | Phonetics | 83 | 3.3K | 5 | 8 |
| 523 | Magnetic Resonance Spectroscopy | 140 | 3.3K | 49 | 66 |
| 524 | Nuclear Engineering | 237 | 3.3K | 59 | 63 |
| 525 | Nonlinear Dynamics | 125 | 3.3K | 222 | 257 |
| 526 | Nephrology | 48 | 3.3K | 71 | 47 |
| 527 | Youth | 80 | 3.3K | 27 | 38 |
| 528 | Inflammation | 41 | 3.3K | 112 | 42 |
| 529 | Radiochemistry | 35 | 3.3K | 161 | 15 |
| 530 | Geodesy | 104 | 3.3K | 15 | 14 |
| 531 | Economic planning | 100 | 3.2K | 2 | 5 |
| 532 | Sound | 82 | 3.2K | 55 | 56 |
| 533 | Experimental Psychology | 74 | 3.2K | 27 | 54 |
| 534 | Industrial Safety | 108 | 3.2K | 24 | 45 |
| 535 | Geographic information systems | 91 | 3.2K | 26 | 9 |
| 536 | Earthquake Engineering | 55 | 3.2K | 251 | 148 |
| 537 | Urban Policy | 60 | 3.2K | 37 | 13 |
| 538 | Magnetic Resonance Imaging | 121 | 3.2K | 14 | 26 |
| 539 | Developmental Genetics | 54 | 3.2K | 65 | 104 |
| 540 | Community Psychology | 48 | 3.1K | 50 | 62 |
| 541 | epilepsy | 106 | 3.1K | 30 | 38 |
| 542 | Production Engineering | 145 | 3.1K | 91 | 90 |
| 543 | educational innovations | 290 | 3.1K | 1 | 5 |
| 544 | Marriage | 122 | 3.1K | 10 | 10 |
| 545 | Pharmaceutical Technology | 54 | 3.1K | 159 | 85 |
| 546 | Combustion | 82 | 3.1K | 129 | 118 |
| 547 | Hormones | 93 | 3.1K | 82 | 114 |
| 548 | Dietetics | 212 | 3.1K | 7 | 25 |
| 549 | biopolymers | 47 | 3.1K | 198 | 94 |
| 550 | Solid State Chemistry | 83 | 3.1K | 343 | 196 |
| 551 | Mechatronics | 61 | 3.0K | 57 | 31 |
| 552 | Mobile Computing | 59 | 3.0K | 99 | 57 |
| 553 | Soft Condensed Matter | 48 | 3.0K | 187 | 85 |
| 554 | Conservation Biology | 82 | 3.0K | 59 | 105 |
| 555 | Proteome | 69 | 3.0K | 74 | 104 |
| 556 | global environmental change | 35 | 3.0K | 92 | 60 |
| 557 | Intelligent Transportation Systems | 60 | 3.0K | 97 | 81 |
| 557 | Superconductors | 199 | 3.0K | 32 | 35 |
| 559 | Strategic planning | 35 | 3.0K | 48 | 19 |
| 560 | Mineralogy | 104 | 3.0K | 127 | 182 |
| 560 | Development | 63 | 3.0K | 46 | 56 |
| 562 | recreation | 146 | 2.9K | 14 | 11 |
| 563 | Parasitic Diseases | 79 | 2.9K | 145 | 161 |
| 564 | Differential Equations | 73 | 2.9K | 58 | 25 |
| 565 | Astrocytes | 36 | 2.9K | 32 | 33 |
| 566 | fertility | 74 | 2.9K | 106 | 134 |
| 567 | Nutrition physiology | 39 | 2.9K | 66 | 30 |
| 568 | Economic Assistance | 52 | 2.9K | 43 | 44 |
| 569 | Software Engineering | 85 | 2.9K | 48 | 75 |
| 570 | health behavior | 100 | 2.8K | 65 | 88 |
| 571 | Philosophy | 264 | 2.8K | 55 | 70 |
| 572 | Risk | 56 | 2.8K | 26 | 30 |
| 573 | Boundary Value Problems | 72 | 2.8K | 33 | 15 |
| 574 | Antenna Arrays | 71 | 2.8K | 27 | 15 |
| 575 | Probability | 75 | 2.8K | 17 | 27 |
| 576 | environmental exposure | 57 | 2.8K | 171 | 110 |
| 577 | vibration | 91 | 2.8K | 61 | 79 |
| 578 | Infertility | 66 | 2.8K | 107 | 126 |
| 579 | Anthropology | 237 | 2.8K | 60 | 105 |
| 580 | protein | 94 | 2.8K | 64 | 127 |
| 581 | Small Business | 21 | 2.8K | 146 | 98 |
| 582 | Systems Engineering | 82 | 2.8K | 171 | 145 |
| 583 | Geomorphology | 53 | 2.8K | 187 | 154 |
| 584 | Mental Health Services | 104 | 2.8K | 73 | 68 |
| 585 | Bacteriophages | 13 | 2.7K | 3 | 1 |
| 586 | Archaeology | 105 | 2.7K | 118 | 109 |
| 587 | International Relations | 67 | 2.7K | 117 | 57 |
| 588 | Food service management | 47 | 2.7K | 26 | 27 |
| 589 | Plant genetic engineering | 59 | 2.7K | 69 | 81 |
| 590 | Reading | 113 | 2.7K | 14 | 32 |
| 591 | pain | 93 | 2.7K | 121 | 210 |
| 592 | Mass Spectrometry | 102 | 2.7K | 47 | 78 |
| 593 | Combinatorial chemistry | 50 | 2.7K | 68 | 75 |
| 594 | Medical Imaging | 100 | 2.7K | 13 | 27 |
| 595 | Optical materials | 56 | 2.6K | 517 | 461 |
| 596 | Insect biochemistry | 42 | 2.6K | 39 | 24 |
| 597 | Communication in politics | 33 | 2.6K | 7 | 1 |
| 598 | Ornithology | 148 | 2.6K | 24 | 38 |
| 599 | peace | 67 | 2.6K | 22 | 38 |
| 600 | Thrombosis | 56 | 2.6K | 157 | 145 |
| 601 | ecosystem | 60 | 2.6K | 117 | 174 |
| 602 | Rural Development | 66 | 2.6K | 9 | 16 |
| 603 | Parallel Processing | 76 | 2.6K | 15 | 30 |
| 604 | Audiology | 112 | 2.6K | 44 | 74 |
| 605 | Fungi | 39 | 2.6K | 165 | 119 |
| 606 | Music | 151 | 2.6K | 8 | 18 |
| 607 | Fluid Mechanics | 92 | 2.6K | 129 | 152 |
| 608 | biological factors | 78 | 2.6K | 118 | 158 |
| 609 | Plant Genetics | 36 | 2.6K | 92 | 72 |
| 610 | machinery | 59 | 2.5K | 42 | 15 |
| 611 | Phylogeny | 51 | 2.5K | 59 | 80 |
| 612 | Pediatric Nursing | 104 | 2.5K | 8 | 7 |
| 613 | Neurosurgery | 67 | 2.5K | 71 | 95 |
| 614 | Radiation | 77 | 2.5K | 203 | 131 |
| 615 | Radiology | 106 | 2.5K | 91 | 68 |
| 616 | Organic Geochemistry | 23 | 2.5K | 72 | 40 |
| 617 | Immunopathology | 93 | 2.5K | 101 | 154 |
| 618 | Landscape Ecology | 35 | 2.5K | 34 | 24 |
| 619 | Information Science | 147 | 2.5K | 103 | 272 |
| 620 | Socialization | 55 | 2.5K | 26 | 33 |
| 621 | Physical fitness | 48 | 2.5K | 92 | 80 |
| 622 | Emotions | 53 | 2.5K | 53 | 69 |
| 623 | Vocational Education | 116 | 2.5K | 7 | 11 |
| 623 | Atmospheric Physics | 69 | 2.5K | 251 | 274 |
| 625 | Primary health care | 123 | 2.4K | 93 | 138 |
| 626 | Marine Biology | 86 | 2.4K | 356 | 392 |
| 627 | Hazardous waste | 31 | 2.4K | 94 | 49 |
| 628 | Intelligence | 28 | 2.4K | 32 | 22 |
| 629 | international cooperation | 50 | 2.4K | 33 | 35 |
| 630 | Community Psychiatry | 66 | 2.4K | 84 | 103 |
| 631 | consumers | 55 | 2.4K | 4 | 7 |
| 632 | International Finance | 36 | 2.4K | 328 | 121 |
| 633 | Databases | 54 | 2.4K | 42 | 41 |
| 634 | Social interaction | 42 | 2.3K | 16 | 13 |
| 635 | vascular diseases | 50 | 2.3K | 91 | 119 |
| 636 | Regional Development | 53 | 2.3K | 6 | 3 |
| 636 | Development planning | 53 | 2.3K | 3 | 3 |
| 638 | Early Childhood Education | 79 | 2.3K | 17 | 11 |
| 638 | Electrophysiology | 82 | 2.3K | 69 | 54 |
| 640 | Drug design | 61 | 2.3K | 100 | 105 |
| 640 | Approximation Theory | 101 | 2.3K | 7 | 8 |
| 642 | Crystallography | 174 | 2.3K | 29 | 90 |
| 643 | Financial management | 42 | 2.3K | 30 | 29 |
| 644 | industrial waste | 27 | 2.3K | 94 | 51 |
| 645 | lasers | 75 | 2.3K | 267 | 185 |
| 646 | Risk Management | 49 | 2.3K | 32 | 35 |
| 647 | Minority Health | 4 | 2.3K | 41 | 14 |
| 648 | Aggression | 52 | 2.3K | 11 | 23 |
| 649 | Obstetric Nursing | 93 | 2.3K | 8 | 6 |
| 650 | Bioenergetics | 59 | 2.3K | 69 | 92 |
| 650 | radioactive waste | 21 | 2.3K | 128 | 51 |
| 650 | Digestive system diseases | 80 | 2.3K | 65 | 62 |
| 653 | Plasma devices | 52 | 2.3K | 25 | 24 |
| 654 | Smart Materials | 92 | 2.3K | 35 | 54 |
| 655 | Environmental Geology | 68 | 2.3K | 90 | 109 |
| 656 | Fertilizers | 28 | 2.2K | 53 | 15 |
| 657 | warfare | 45 | 2.2K | 16 | 24 |
| 658 | prostaglandins | 48 | 2.2K | 20 | 11 |
| 659 | California | 95 | 2.2K | 15 | 24 |
| 660 | Histochemistry | 62 | 2.2K | 63 | 55 |
| 661 | War and Society | 42 | 2.2K | 11 | 22 |
| 662 | Genes | 52 | 2.2K | 100 | 60 |
| 663 | Oxidative stress | 33 | 2.2K | 74 | 75 |
| 664 | viral genetics | 29 | 2.2K | 64 | 109 |
| 665 | Ultrasonics | 53 | 2.2K | 116 | 97 |
| 666 | Anxiety Disorders | 38 | 2.2K | 72 | 88 |
| 666 | Anxiety | 38 | 2.2K | 72 | 89 |
| 668 | Clinical Biochemistry | 61 | 2.2K | 97 | 104 |
| 669 | drugs | 87 | 2.2K | 178 | 231 |
| 670 | DNA polymerases | 19 | 2.2K | 96 | 90 |
| 671 | Electrochemical Analysis | 44 | 2.2K | 254 | 139 |
| 672 | sexual behavior | 75 | 2.1K | 35 | 57 |
| 673 | Computer-Aided Design | 62 | 2.1K | 101 | 95 |
| 674 | Environmental Psychology | 33 | 2.1K | 18 | 38 |
| 674 | North America | 90 | 2.1K | 39 | 31 |
| 676 | Quality of life | 55 | 2.1K | 141 | 162 |
| 677 | Magnetic Materials | 27 | 2.1K | 414 | 166 |
| 678 | Photography | 368 | 2.1K | 62 | 37 |
| 678 | Groundwater | 82 | 2.1K | 21 | 30 |
| 680 | Energy metabolism | 55 | 2.1K | 67 | 90 |
| 681 | Sexual health | 97 | 2.1K | 28 | 60 |
| 682 | Thorax | 77 | 2.1K | 43 | 53 |
| 683 | Transportation Engineering | 33 | 2.1K | 41 | 24 |
| 683 | General Surgery | 84 | 2.1K | 76 | 53 |
| 685 | Information Technology | 40 | 2.1K | 389 | 281 |
| 686 | Traffic Engineering | 19 | 2.1K | 76 | 25 |
| 687 | Chemical Ecology | 51 | 2.1K | 35 | 40 |
| 688 | Parasites | 64 | 2.1K | 118 | 119 |
| 689 | Plant breeding | 89 | 2.1K | 27 | 41 |
| 690 | Diagnostic Imaging | 97 | 2.1K | 165 | 263 |
| 691 | plant viruses | 67 | 2.1K | 10 | 11 |
| 692 | pheromones | 49 | 2.0K | 27 | 37 |
| 692 | planning | 92 | 2.0K | 6 | 19 |
| 694 | urban forestry | 58 | 2.0K | 2 | 3 |
| 695 | role | 45 | 2.0K | 18 | 22 |
| 696 | animal diseases | 49 | 2.0K | 42 | 22 |
| 697 | School Psychology | 84 | 2.0K | 30 | 46 |
| 698 | International security | 26 | 2.0K | 25 | 22 |
| 699 | Patient education | 48 | 2.0K | 63 | 64 |
| 700 | Remote Sensing | 144 | 2.0K | 37 | 68 |
| 701 | Semiconductors | 59 | 2.0K | 285 | 150 |
| 702 | Protozoa | 27 | 2.0K | 45 | 35 |
| 703 | Social policy | 77 | 2.0K | 48 | 43 |
| 704 | histological techniques | 56 | 2.0K | 36 | 66 |
| 705 | animals | 54 | 2.0K | 111 | 62 |
| 706 | Soil fertility | 35 | 2.0K | 24 | 21 |
| 707 | mammals | 48 | 1.9K | 96 | 55 |
| 708 | Microscopy | 75 | 1.9K | 78 | 106 |
| 709 | Land Use Planning | 31 | 1.9K | 33 | 24 |
| 709 | Plant Biotechnology | 35 | 1.9K | 90 | 62 |
| 711 | Genetic Counseling | 56 | 1.9K | 13 | 5 |
| 712 | Experimental Design | 48 | 1.9K | 21 | 31 |
| 712 | Environmental Education | 68 | 1.9K | 3 | 11 |
| 714 | Ocean Engineering | 34 | 1.9K | 447 | 272 |
| 715 | probabilities | 142 | 1.9K | 52 | 79 |
| 716 | Political Geography | 40 | 1.9K | 21 | 11 |
| 717 | Invertebrates | 78 | 1.9K | 15 | 24 |
| 718 | Radio wave propagation | 115 | 1.9K | 10 | 18 |
| 719 | Neuropsychiatry | 68 | 1.9K | 53 | 77 |
| 720 | Structural dynamics | 60 | 1.9K | 110 | 174 |
| 721 | health planning | 96 | 1.9K | 119 | 163 |
| 722 | complementary therapies | 97 | 1.9K | 60 | 96 |
| 723 | sex crimes | 67 | 1.8K | 30 | 41 |
| 724 | Comparative Physiology | 57 | 1.8K | 78 | 96 |
| 725 | Maternal health services | 74 | 1.8K | 17 | 17 |
| 726 | Australia | 92 | 1.8K | 118 | 126 |
| 727 | Nanoparticles | 40 | 1.8K | 322 | 272 |
| 728 | biological invasions | 28 | 1.8K | 65 | 31 |
| 729 | Asia | 76 | 1.8K | 220 | 170 |
| 730 | Petrology | 39 | 1.8K | 255 | 234 |
| 731 | Information Systems | 89 | 1.8K | 43 | 100 |
| 732 | Sales management | 13 | 1.8K | 56 | 48 |
| 732 | selling | 13 | 1.8K | 56 | 48 |
| 734 | Mathematical Economics | 20 | 1.8K | 63 | 56 |
| 735 | international trade | 35 | 1.8K | 59 | 57 |
| 736 | Counseling Psychology | 31 | 1.8K | 29 | 26 |
| 737 | Photochemistry | 70 | 1.8K | 102 | 175 |
| 738 | Biogeography | 46 | 1.8K | 123 | 212 |
| 739 | Chromosomes | 38 | 1.8K | 125 | 111 |
| 739 | Lipid | 19 | 1.8K | 69 | 33 |
| 741 | cytokines | 41 | 1.8K | 131 | 109 |
| 742 | Sociolinguistics | 41 | 1.7K | 26 | 17 |
| 743 | food handling | 56 | 1.7K | 43 | 61 |
| 744 | Population | 56 | 1.7K | 64 | 89 |
| 745 | coal | 41 | 1.7K | 268 | 272 |
| 746 | Computer Science | 65 | 1.7K | 165 | 109 |
| 747 | Lipid metabolism | 18 | 1.7K | 72 | 35 |
| 748 | Nuclear non-proliferation | 15 | 1.7K | 12 | 10 |
| 749 | Geometry | 139 | 1.7K | 25 | 35 |
| 749 | Brain damage | 57 | 1.7K | 16 | 23 |
| 751 | Proteomics | 41 | 1.7K | 119 | 136 |
| 752 | Alternative Medicine | 79 | 1.7K | 64 | 100 |
| 753 | mutation | 34 | 1.7K | 65 | 56 |
| 754 | Superconductivity | 56 | 1.7K | 34 | 29 |
| 755 | Numerical Analysis | 74 | 1.7K | 265 | 242 |
| 756 | Bones | 46 | 1.7K | 91 | 146 |
| 757 | cell membrane | 39 | 1.7K | 96 | 112 |
| 758 | Social Change | 42 | 1.6K | 52 | 141 |
| 759 | Marriage counseling | 53 | 1.6K | 13 | 21 |
| 760 | Educational Technology | 98 | 1.6K | 40 | 132 |
| 761 | Algae | 66 | 1.6K | 47 | 87 |
| 762 | economic conditions | 21 | 1.6K | 112 | 61 |
| 763 | Wetland ecology | 45 | 1.6K | 13 | 13 |
| 764 | child behavior | 58 | 1.6K | 14 | 40 |
| 765 | Economic Thought | 14 | 1.6K | 75 | 58 |
| 766 | Oxidation | 34 | 1.6K | 13 | 9 |
| 767 | Algorithms | 16 | 1.6K | 188 | 21 |
| 768 | gastrointestinal tract | 19 | 1.6K | 44 | 29 |
| 769 | blood transfusion | 63 | 1.6K | 70 | 70 |
| 770 | Particle Physics | 9 | 1.6K | 91 | 28 |
| 771 | Green Chemistry | 42 | 1.6K | 336 | 442 |
| 772 | Foodborne diseases | 68 | 1.5K | 8 | 9 |
| 773 | Eating Disorders | 49 | 1.5K | 113 | 126 |
| 773 | cell interaction | 37 | 1.5K | 112 | 129 |
| 775 | Animal genetics | 47 | 1.5K | 79 | 77 |
| 776 | Functional Genomics | 19 | 1.5K | 48 | 22 |
| 777 | Steroids | 73 | 1.5K | 65 | 115 |
| 777 | brain mapping | 16 | 1.5K | 211 | 132 |
| 779 | Carbon | 22 | 1.5K | 364 | 322 |
| 780 | Number Theory | 126 | 1.5K | 8 | 9 |
| 781 | Bioinorganic chemistry | 66 | 1.5K | 146 | 192 |
| 782 | Elementary particles | 7 | 1.5K | 71 | 28 |
| 783 | Elderly | 225 | 1.5K | 45 | 61 |
| 784 | Clinical Trials | 54 | 1.5K | 53 | 56 |
| 785 | software | 30 | 1.5K | 137 | 84 |
| 786 | Quantum electronics | 45 | 1.5K | 283 | 198 |
| 787 | urban population | 26 | 1.5K | 25 | 36 |
| 788 | Food additives | 58 | 1.5K | 81 | 181 |
| 789 | Geotechnical Engineering | 54 | 1.5K | 51 | 74 |
| 790 | Performance | 39 | 1.5K | 16 | 25 |
| 791 | Immunochemistry | 42 | 1.5K | 104 | 81 |
| 792 | Oral communication | 33 | 1.5K | 33 | 20 |
| 793 | Animal Nutrition | 32 | 1.5K | 104 | 60 |
| 794 | Systems Analysis | 61 | 1.5K | 52 | 63 |
| 794 | Food Policy | 27 | 1.5K | 33 | 31 |
| 794 | agricultural policy | 27 | 1.5K | 23 | 23 |
| 797 | Fracture mechanics | 74 | 1.5K | 146 | 205 |
| 798 | cloning | 33 | 1.4K | 63 | 149 |
| 799 | Geomagnetism | 36 | 1.4K | 125 | 90 |
| 799 | Mass Media | 73 | 1.4K | 29 | 14 |
| 801 | Labor Economics | 41 | 1.4K | 25 | 42 |
| 802 | Roads | 73 | 1.4K | 89 | 80 |
| 802 | Seaweed | 56 | 1.4K | 33 | 76 |
| 804 | Building | 19 | 1.4K | 169 | 44 |
| 805 | Transgenic plants | 39 | 1.4K | 27 | 38 |
| 806 | Orthopedic Surgery | 47 | 1.4K | 81 | 69 |
| 807 | Food preferences | 30 | 1.4K | 44 | 41 |
| 808 | Primates | 76 | 1.4K | 44 | 81 |
| 809 | disabilities | 44 | 1.4K | 75 | 69 |
| 810 | Algal blooms | 10 | 1.4K | 84 | 39 |
| 810 | Cyanobacteria | 10 | 1.4K | 84 | 39 |
| 810 | microalgae | 10 | 1.4K | 84 | 39 |
| 813 | Aerospace Engineering | 22 | 1.4K | 50 | 1 |
| 814 | feeding behavior | 34 | 1.4K | 118 | 117 |
| 815 | Detectors | 55 | 1.4K | 153 | 147 |
| 816 | Cardiovascular diseases | 102 | 1.4K | 125 | 297 |
| 817 | Immunopharmacology | 26 | 1.4K | 199 | 102 |
| 817 | Social Media | 50 | 1.4K | 1 | 3 |
| 819 | soil pollution | 25 | 1.4K | 39 | 13 |
| 820 | Crystallization | 21 | 1.4K | 100 | 23 |
| 821 | Structural design | 54 | 1.4K | 59 | 91 |
| 822 | Clinical Pharmacology | 47 | 1.4K | 186 | 182 |
| 823 | Human evolution | 38 | 1.3K | 63 | 89 |
| 824 | Carbohydrates | 34 | 1.3K | 31 | 49 |
| 825 | Health insurance | 32 | 1.3K | 79 | 89 |
| 826 | Morphology | 63 | 1.3K | 55 | 84 |
| 827 | environmental indicators | 38 | 1.3K | 95 | 125 |
| 828 | Law | 55 | 1.3K | 162 | 70 |
| 829 | Economic Geography | 40 | 1.3K | 21 | 27 |
| 830 | Functional Analysis | 70 | 1.3K | 112 | 136 |
| 831 | Natural resources | 50 | 1.3K | 62 | 128 |
| 832 | fuel cells | 30 | 1.3K | 288 | 351 |
| 833 | Asthma | 58 | 1.3K | 27 | 42 |
| 834 | Comparative Psychology | 12 | 1.3K | 29 | 12 |
| 835 | Electrophoresis | 54 | 1.3K | 179 | 234 |
| 836 | Sarcopenia | 12 | 1.3K | 95 | 40 |
| 837 | Microfabrication | 53 | 1.3K | 9 | 12 |
| 838 | food contamination | 57 | 1.3K | 41 | 43 |
| 839 | Career development | 52 | 1.3K | 7 | 8 |
| 840 | Aquatic ecology | 52 | 1.3K | 56 | 79 |
| 841 | Consumer education | 52 | 1.3K | 4 | 22 |
| 842 | Chromatography | 58 | 1.3K | 150 | 174 |
| 843 | Growth factors | 21 | 1.3K | 18 | 42 |
| 844 | Chromatographic analysis | 60 | 1.3K | 209 | 209 |
| 845 | Socioeconomic Factors | 46 | 1.3K | 55 | 66 |
| 846 | Geriatric Oncology | 71 | 1.3K | 19 | 58 |
| 846 | Intelligent Control Systems | 62 | 1.3K | 52 | 36 |
| 846 | Geobiology | 39 | 1.3K | 34 | 43 |
| 849 | Europa | 18 | 1.3K | 121 | 40 |
| 850 | Social Issues | 33 | 1.3K | 22 | 28 |
| 851 | Financial Institutions | 11 | 1.3K | 88 | 11 |
| 852 | Telecommunication Systems | 39 | 1.2K | 242 | 130 |
| 852 | tomography | 40 | 1.2K | 26 | 22 |
| 852 | Literacy | 53 | 1.2K | 6 | 5 |
| 855 | Contraception | 68 | 1.2K | 41 | 74 |
| 856 | Game Theory | 60 | 1.2K | 26 | 55 |
| 857 | Biogeochemical cycles | 13 | 1.2K | 152 | 150 |
| 858 | Feeding and Eating Disorders | 39 | 1.2K | 136 | 145 |
| 859 | Food Security | 9 | 1.2K | 39 | 6 |
| 860 | Mortgages | 18 | 1.2K | 38 | 13 |
| 861 | Atmospheric Chemistry | 23 | 1.2K | 290 | 310 |
| 862 | radiative transfer | 38 | 1.2K | 91 | 73 |
| 863 | Neuropharmacology | 19 | 1.2K | 133 | 52 |
| 864 | Sustainable Engineering | 31 | 1.2K | 345 | 384 |
| 865 | Schizophrenia | 51 | 1.2K | 152 | 250 |
| 866 | Alzheimer's disease | 100 | 1.2K | 145 | 216 |
| 867 | Ultrasonic Imaging | 28 | 1.2K | 65 | 27 |
| 868 | Ultrasound | 32 | 1.2K | 135 | 98 |
| 869 | Post-traumatic stress disorder | 41 | 1.2K | 104 | 149 |
| 870 | Organ transplantation | 96 | 1.2K | 15 | 26 |
| 871 | speech therapy | 72 | 1.2K | 19 | 36 |
| 872 | Tropical Medicine | 122 | 1.2K | 67 | 219 |
| 873 | clay | 29 | 1.2K | 99 | 112 |
| 874 | internet | 35 | 1.2K | 269 | 299 |
| 874 | bees | 37 | 1.2K | 38 | 49 |
| 876 | Social welfare | 59 | 1.2K | 43 | 48 |
| 877 | clay minerals | 27 | 1.2K | 30 | 30 |
| 878 | Autoimmune diseases | 14 | 1.2K | 204 | 93 |
| 879 | school psychologists | 36 | 1.1K | 24 | 42 |
| 880 | Nonverbal Communication | 12 | 1.1K | 50 | 15 |
| 880 | Bipolar Disorder | 25 | 1.1K | 68 | 77 |
| 882 | Animal Biotechnology | 6 | 1.1K | 87 | 7 |
| 882 | polar regions | 51 | 1.1K | 42 | 58 |
| 882 | Recycling | 19 | 1.1K | 121 | 145 |
| 885 | Autism spectrum disorders | 7 | 1.1K | 12 | 3 |
| 886 | sports injuries | 53 | 1.1K | 19 | 19 |
| 887 | hydrocolloids | 43 | 1.1K | 81 | 181 |
| 888 | livestock | 61 | 1.1K | 38 | 37 |
| 889 | Food Preservation | 50 | 1.1K | 43 | 33 |
| 890 | Familial diseases | 37 | 1.1K | 8 | 8 |
| 891 | Cognitive Therapy | 30 | 1.1K | 101 | 86 |
| 892 | Surface properties | 16 | 1.1K | 345 | 188 |
| 893 | nuclear magnetic resonance spectroscopy | 45 | 1.1K | 65 | 84 |
| 894 | child mental health | 64 | 1.1K | 15 | 35 |
| 895 | Surface-Active Agents | 15 | 1.1K | 333 | 172 |
| 896 | Criminal Law | 20 | 1.1K | 41 | 26 |
| 897 | Juvenile delinquency | 56 | 1.1K | 20 | 27 |
| 898 | Personality Assessment | 39 | 1.1K | 62 | 131 |
| 899 | Physical Geography | 53 | 1.1K | 18 | 43 |
| 899 | Biomass | 22 | 1.1K | 89 | 93 |
| 901 | Solar Energy | 25 | 1.1K | 408 | 402 |
| 902 | Zeolites | 38 | 1.1K | 102 | 170 |
| 903 | Advertising | 17 | 1.0K | 58 | 48 |
| 904 | Body language | 8 | 1.0K | 33 | 8 |
| 905 | Appetite | 21 | 1.0K | 149 | 124 |
| 906 | Developed countries | 24 | 1.0K | 20 | 23 |
| 907 | History | 140 | 1.0K | 81 | 37 |
| 907 | Electromagnetic compatibility | 31 | 1.0K | 49 | 37 |
| 909 | Random graphs | 31 | 1.0K | 24 | 20 |
| 910 | Cellular senescence | 9 | 1.0K | 63 | 51 |
| 911 | Regional Economics | 39 | 1.0K | 21 | 32 |
| 912 | Soil Mechanics | 39 | 1.0K | 232 | 270 |
| 913 | Capital market | 9 | 1.0K | 165 | 39 |
| 913 | synthesis | 45 | 1.0K | 74 | 37 |
| 915 | mental health policy | 31 | 1.0K | 28 | 29 |
| 916 | national security | 26 | 1.0K | 26 | 5 |
| 917 | concrete | 11 | 1.0K | 431 | 303 |
| 917 | Atomic spectroscopy | 43 | 1.0K | 163 | 185 |
| 919 | eye | 12 | 1.0K | 44 | 103 |
| 920 | Energy Storage | 30 | 1.0K | 254 | 282 |
| 921 | Nanoelectronics | 35 | 1.0K | 117 | 56 |
| 922 | Structural optimization | 14 | 1.0K | 106 | 57 |
| 923 | primary prevention | 34 | 1.0K | 39 | 32 |
| 924 | Architecture | 35 | 1.0K | 57 | 24 |
| 924 | construction | 32 | 1.0K | 10 | 11 |
| 926 | health services accessibility | 54 | 1.0K | 83 | 133 |
| 926 | Microwave devices | 45 | 1.0K | 55 | 68 |
| 928 | industrial relations | 52 | 1.0K | 101 | 112 |
| 929 | Water quality management | 48 | 994 | 226 | 282 |
| 929 | Sites | 32 | 994 | 91 | 133 |
| 931 | drug control | 35 | 993 | 43 | 43 |
| 932 | Pediatric Dermatology | 59 | 991 | 28 | 35 |
| 932 | Applied Linguistics | 34 | 991 | 70 | 56 |
| 934 | Informatics | 42 | 981 | 56 | 125 |
| 935 | Wetland conservation | 31 | 980 | 22 | 20 |
| 935 | Wetlands | 31 | 980 | 22 | 20 |
| 937 | Sonochemistry | 20 | 978 | 97 | 110 |
| 938 | Autoimmunity | 15 | 971 | 258 | 202 |
| 939 | Hospitals | 115 | 970 | 24 | 56 |
| 940 | Human biology | 41 | 966 | 61 | 64 |
| 941 | family violence | 44 | 964 | 17 | 60 |
| 942 | Consumer Protection | 40 | 958 | 4 | 17 |
| 942 | Second Language Acquisition | 11 | 958 | 41 | 29 |
| 942 | Pancreatic diseases | 58 | 958 | 12 | 41 |
| 945 | Social Networks | 25 | 957 | 30 | 50 |
| 946 | Biosensors | 24 | 953 | 321 | 448 |
| 947 | Leisure | 30 | 951 | 39 | 47 |
| 948 | Carbohydrate | 16 | 950 | 3 | 10 |
| 949 | Urban Geography | 42 | 947 | 11 | 18 |
| 950 | Organometallic compounds | 30 | 946 | 312 | 282 |
| 951 | Structuralism | 23 | 945 | 20 | 46 |
| 951 | drug abuse | 48 | 945 | 59 | 78 |
| 953 | Simulation | 1 | 941 | 3 | 1 |
| 953 | theoretical models | 1 | 941 | 3 | 1 |
| 953 | eugenics | 58 | 941 | 28 | 65 |
| 956 | Fisheries Law | 24 | 938 | 19 | 24 |
| 956 | fisheries management | 24 | 938 | 19 | 24 |
| 958 | Suicide | 61 | 937 | 23 | 76 |
| 959 | freshwater biology | 23 | 936 | 189 | 168 |
| 960 | Bacteria | 23 | 935 | 50 | 87 |
| 961 | Cytokine | 24 | 930 | 35 | 77 |
| 962 | Lightweight concrete | 8 | 929 | 211 | 146 |
| 963 | Process Control | 18 | 917 | 262 | 313 |
| 964 | Precision medicine | 17 | 911 | 46 | 17 |
| 965 | individual differences | 25 | 908 | 23 | 37 |
| 966 | Physical organic chemistry | 46 | 906 | 177 | 251 |
| 967 | Wildlife management | 37 | 905 | 82 | 68 |
| 968 | Nuclear Medicine | 26 | 903 | 256 | 236 |
| 969 | race relations | 27 | 900 | 99 | 68 |
| 970 | Pediatric Rheumatology | 38 | 892 | 11 | 8 |
| 970 | Comparative Advertising | 10 | 892 | 20 | 10 |
| 972 | design | 20 | 890 | 43 | 27 |
| 972 | forest policy | 35 | 890 | 45 | 42 |
| 974 | Plant Morphology | 30 | 885 | 59 | 55 |
| 975 | Leadership | 22 | 884 | 69 | 148 |
| 975 | Respiratory system | 47 | 884 | 41 | 113 |
| 977 | Retina | 9 | 878 | 55 | 106 |
| 978 | Industrial Design | 4 | 877 | 199 | 18 |
| 978 | intergroup relations | 22 | 877 | 18 | 30 |
| 980 | Hematopoietic stem cell transplantation | 17 | 876 | 72 | 62 |
| 981 | Humanities | 53 | 874 | 95 | 101 |
| 982 | labor | 21 | 873 | 40 | 46 |
| 983 | Agricultural Engineering | 34 | 868 | 44 | 59 |
| 983 | Topology | 46 | 868 | 17 | 15 |
| 985 | microwave communication systems | 27 | 864 | 62 | 64 |
| 985 | psychophysics | 54 | 864 | 9 | 29 |
| 987 | Ecosystem management | 33 | 862 | 76 | 139 |
| 988 | Horticulture | 85 | 858 | 25 | 62 |
| 989 | Catalysts | 17 | 856 | 158 | 101 |
| 990 | Geodynamics | 45 | 854 | 148 | 294 |
| 990 | women | 63 | 854 | 28 | 46 |
| 992 | industrial hygiene | 34 | 852 | 121 | 54 |
| 993 | Chemical analysis | 38 | 851 | 112 | 201 |
| 994 | heredity | 41 | 850 | 56 | 84 |
| 995 | libraries | 75 | 849 | 12 | 43 |
| 996 | Cell communication | 18 | 847 | 94 | 95 |
| 997 | Mechanics | 30 | 845 | 279 | 205 |
| 998 | Microeconomics | 22 | 844 | 64 | 64 |
| 999 | Hospitality industry | 21 | 839 | 45 | 31 |
| 999 | working class | 13 | 839 | 39 | 49 |