| 1 | Chemistry | 3,784 | 235.0K | 52 | 55 |
| 2 | Physics | 2,585 | 157.4K | 141 | 188 |
| 3 | Materials | 2,147 | 100.2K | 49 | 64 |
| 4 | Biology | 885 | 85.6K | 328 | 278 |
| 5 | Science | 969 | 70.9K | 308 | 323 |
| 6 | Molecular Biology | 1,000 | 62.3K | 228 | 217 |
| 7 | Biochemistry | 1,309 | 62.0K | 290 | 242 |
| 8 | Medicine | 1,126 | 56.0K | 263 | 252 |
| 9 | Astrophysics | 359 | 54.6K | 328 | 205 |
| 10 | Nuclear Physics | 1,103 | 51.9K | 185 | 153 |
| 11 | Biotechnology | 832 | 42.2K | 70 | 97 |
| 12 | Neurology | 807 | 41.6K | 180 | 206 |
| 13 | Chemical Engineering | 1,162 | 41.4K | 34 | 74 |
| 14 | Nanotechnology | 684 | 41.1K | 126 | 137 |
| 15 | Materials Science | 683 | 40.3K | 109 | 97 |
| 16 | Astronomy | 152 | 39.4K | 457 | 201 |
| 17 | Condensed Matter | 1,152 | 37.9K | 61 | 97 |
| 18 | Solid State Physics | 1,192 | 37.9K | 65 | 90 |
| 19 | Catalysis | 773 | 37.5K | 57 | 67 |
| 20 | Metallurgy | 651 | 37.1K | 17 | 11 |
| 21 | Metals | 424 | 36.9K | 30 | 11 |
| 22 | Natural history | 71 | 33.3K | 510 | 314 |
| 23 | Research | 959 | 28.6K | 222 | 295 |
| 24 | Microbiology | 656 | 27.9K | 229 | 308 |
| 25 | Polymers | 896 | 25.3K | 77 | 117 |
| 26 | Bioengineering | 552 | 21.6K | 61 | 151 |
| 27 | Biocompatible Materials | 418 | 21.6K | 119 | 145 |
| 28 | Cytology | 291 | 21.2K | 304 | 273 |
| 29 | Combustion | 435 | 20.9K | 13 | 10 |
| 30 | Cell Biology | 255 | 20.5K | 296 | 270 |
| 31 | Green Chemistry | 313 | 20.2K | 7 | 8 |
| 32 | Biophysics | 650 | 20.2K | 189 | 224 |
| 33 | Pollution | 383 | 18.4K | 204 | 281 |
| 34 | Image Processing | 85 | 17.5K | 234 | 45 |
| 35 | Immunology | 217 | 17.5K | 255 | 192 |
| 36 | Biomedical Engineering | 630 | 17.4K | 75 | 124 |
| 37 | Biochemical Engineering | 238 | 17.0K | 150 | 171 |
| 38 | Signal Processing | 153 | 16.9K | 223 | 82 |
| 39 | Environmental Health | 296 | 16.8K | 238 | 220 |
| 40 | Environment | 212 | 15.4K | 368 | 361 |
| 41 | Psychiatry | 282 | 15.4K | 247 | 230 |
| 42 | Manufacturing Processes | 906 | 15.0K | 5 | 21 |
| 43 | Liver diseases | 172 | 14.7K | 57 | 62 |
| 44 | Quantum Gravity | 311 | 14.6K | 208 | 193 |
| 45 | polymerization | 595 | 14.6K | 93 | 150 |
| 46 | Human genetics | 138 | 14.5K | 193 | 299 |
| 47 | Production Engineering | 947 | 14.2K | 2 | 8 |
| 48 | Mathematical Physics | 262 | 13.9K | 145 | 75 |
| 49 | Cardiovascular system | 140 | 13.7K | 130 | 104 |
| 50 | Spectrum analysis | 231 | 13.4K | 375 | 389 |
| 51 | Psychophysiology | 265 | 13.3K | 190 | 186 |
| 52 | energy conservation | 190 | 12.9K | 44 | 49 |
| 53 | Mathematics | 1,373 | 12.6K | 58 | 152 |
| 54 | Electronics | 280 | 12.4K | 161 | 111 |
| 55 | Diagnostic Imaging | 191 | 12.3K | 55 | 26 |
| 56 | Environmental Management | 191 | 12.1K | 60 | 33 |
| 57 | Botany | 154 | 12.1K | 463 | 293 |
| 58 | Water | 167 | 11.9K | 128 | 109 |
| 59 | Ecology | 256 | 11.9K | 522 | 580 |
| 60 | Europe | 198 | 11.9K | 165 | 45 |
| 61 | Critical Care | 106 | 11.8K | 125 | 93 |
| 61 | Critical Care Medicine | 106 | 11.8K | 128 | 93 |
| 63 | Environmental Engineering | 160 | 11.4K | 230 | 182 |
| 64 | Nanostructured Materials | 236 | 11.4K | 157 | 136 |
| 65 | Membranes | 233 | 11.1K | 37 | 49 |
| 66 | Colloids | 330 | 11.0K | 161 | 201 |
| 67 | Environmental Chemistry | 92 | 10.9K | 121 | 88 |
| 68 | Microelectronics | 203 | 10.7K | 65 | 95 |
| 69 | Optics | 509 | 10.5K | 178 | 189 |
| 70 | transport vesicles | 4 | 10.4K | 144 | 135 |
| 71 | United Kingdom | 56 | 10.3K | 226 | 32 |
| 72 | Organic Chemistry | 200 | 10.2K | 177 | 98 |
| 73 | Pharmacology | 258 | 10.1K | 461 | 396 |
| 74 | Cancer | 151 | 10.1K | 317 | 272 |
| 75 | Energy Conversion | 56 | 10.0K | 140 | 86 |
| 76 | miniaturization | 123 | 9.9K | 119 | 109 |
| 77 | Technology | 300 | 9.9K | 130 | 117 |
| 78 | Computer Graphics | 196 | 9.8K | 60 | 49 |
| 79 | Genetics | 79 | 9.7K | 540 | 335 |
| 80 | Statistical physics | 377 | 9.5K | 198 | 250 |
| 81 | Composite Materials | 242 | 9.3K | 115 | 150 |
| 82 | Electrochemistry | 469 | 9.3K | 133 | 204 |
| 83 | Nuclear Medicine | 134 | 9.2K | 35 | 16 |
| 84 | Sustainable Engineering | 158 | 9.2K | 24 | 13 |
| 85 | nanoscience | 163 | 8.8K | 191 | 214 |
| 86 | environmental pollution | 236 | 8.7K | 211 | 281 |
| 87 | Medical genetics | 185 | 8.7K | 207 | 268 |
| 88 | Cell differentiation | 50 | 8.7K | 279 | 161 |
| 89 | Molecular Imaging | 107 | 8.7K | 18 | 13 |
| 90 | Immunity | 48 | 8.7K | 343 | 212 |
| 91 | Product Design | 695 | 8.6K | 1 | 1 |
| 92 | Neurophysiology | 210 | 8.6K | 214 | 292 |
| 93 | Reproduction | 107 | 8.5K | 223 | 81 |
| 94 | Cognitive neuroscience | 82 | 8.4K | 92 | 69 |
| 95 | Mental Disorders | 107 | 8.3K | 288 | 223 |
| 96 | Hematology | 203 | 8.2K | 227 | 236 |
| 97 | Energy Policy | 190 | 8.1K | 75 | 107 |
| 98 | Computational Chemistry | 39 | 8.0K | 37 | 37 |
| 99 | Geophysics | 229 | 7.9K | 332 | 352 |
| 100 | Geochemistry | 185 | 7.9K | 170 | 185 |
| 101 | sanitation | 94 | 7.9K | 145 | 157 |
| 102 | Solid State Chemistry | 280 | 7.8K | 41 | 41 |
| 103 | Pharmaceutical Technology | 142 | 7.8K | 17 | 7 |
| 104 | Cell death | 31 | 7.8K | 255 | 116 |
| 105 | Hypertension | 63 | 7.7K | 236 | 159 |
| 106 | Water pollution | 152 | 7.7K | 155 | 147 |
| 107 | Virology | 61 | 7.6K | 520 | 375 |
| 108 | catalytic activity | 131 | 7.6K | 2 | 2 |
| 109 | Behavior | 147 | 7.6K | 292 | 302 |
| 110 | Engineering | 571 | 7.5K | 26 | 114 |
| 111 | Nervous system | 140 | 7.5K | 184 | 183 |
| 112 | Pathology | 158 | 7.4K | 154 | 163 |
| 113 | Optical materials | 144 | 7.4K | 191 | 181 |
| 114 | Brain | 153 | 7.3K | 264 | 234 |
| 115 | Physical Chemistry | 177 | 7.3K | 98 | 122 |
| 116 | Environmental monitoring | 129 | 7.2K | 264 | 223 |
| 117 | Telecommunication | 164 | 6.9K | 189 | 182 |
| 118 | Artificial Intelligence | 183 | 6.9K | 202 | 233 |
| 119 | Surface Chemistry | 204 | 6.8K | 304 | 314 |
| 120 | Nanoparticles | 86 | 6.6K | 127 | 74 |
| 121 | Industrial Engineering | 291 | 6.6K | 18 | 38 |
| 122 | Metabolism | 121 | 6.5K | 301 | 311 |
| 123 | Psychology | 146 | 6.4K | 577 | 441 |
| 124 | Histology | 141 | 6.4K | 78 | 84 |
| 125 | Pharmaceutical Chemistry | 127 | 6.3K | 387 | 291 |
| 126 | Renewable Energy Sources | 103 | 6.2K | 185 | 261 |
| 127 | Power Electronics | 110 | 6.2K | 72 | 66 |
| 128 | Toxicology | 183 | 6.1K | 365 | 405 |
| 129 | Medical Laboratory Science | 134 | 6.0K | 90 | 120 |
| 130 | Bioorganic chemistry | 72 | 6.0K | 393 | 160 |
| 131 | Drug delivery systems | 43 | 5.9K | 189 | 58 |
| 132 | Neuropsychology | 161 | 5.9K | 140 | 165 |
| 133 | Cerebral cortex | 95 | 5.7K | 48 | 50 |
| 134 | coal | 99 | 5.6K | 94 | 61 |
| 135 | human behavior | 86 | 5.6K | 300 | 283 |
| 136 | Neurochemistry | 122 | 5.5K | 241 | 226 |
| 137 | Anatomy | 114 | 5.5K | 173 | 165 |
| 137 | Public Health | 170 | 5.5K | 491 | 493 |
| 139 | Numerical Analysis | 188 | 5.5K | 42 | 34 |
| 140 | Immune system | 16 | 5.4K | 307 | 141 |
| 141 | Plants | 47 | 5.3K | 367 | 211 |
| 142 | Magnetic Resonance Spectroscopy | 158 | 5.1K | 32 | 28 |
| 143 | Industrial Microbiology | 106 | 5.1K | 72 | 81 |
| 144 | management | 80 | 5.1K | 504 | 436 |
| 145 | Geology | 191 | 5.1K | 281 | 347 |
| 146 | Building Materials | 154 | 5.0K | 74 | 135 |
| 147 | nuclear magnetic resonance | 150 | 5.0K | 39 | 34 |
| 148 | Speech | 57 | 4.9K | 106 | 41 |
| 149 | Physiology | 149 | 4.9K | 473 | 500 |
| 150 | Wireless Communication Systems | 153 | 4.8K | 166 | 179 |
| 151 | Environmental Policy | 157 | 4.8K | 149 | 330 |
| 152 | biopolymers | 155 | 4.7K | 19 | 36 |
| 153 | Fluid Dynamics | 146 | 4.7K | 26 | 32 |
| 154 | Plant cells | 45 | 4.6K | 238 | 247 |
| 155 | Engineering Mathematics | 116 | 4.5K | 80 | 48 |
| 156 | Biomass Energy | 73 | 4.5K | 252 | 246 |
| 157 | Photonics | 69 | 4.5K | 298 | 221 |
| 158 | Cognition | 103 | 4.4K | 191 | 205 |
| 159 | Computer Vision | 29 | 4.4K | 231 | 108 |
| 159 | fuel cells | 75 | 4.4K | 99 | 125 |
| 161 | Genetic engineering | 70 | 4.4K | 196 | 148 |
| 162 | brain mapping | 72 | 4.4K | 29 | 33 |
| 163 | Electrical Engineering | 248 | 4.4K | 146 | 142 |
| 164 | Leukemia | 76 | 4.3K | 96 | 117 |
| 165 | Endocrinology | 74 | 4.3K | 486 | 440 |
| 166 | Plant physiology | 62 | 4.3K | 335 | 265 |
| 167 | environmental protection | 110 | 4.2K | 256 | 297 |
| 168 | Cosmology | 42 | 4.2K | 58 | 11 |
| 169 | Medical Microbiology | 102 | 4.2K | 226 | 281 |
| 170 | Molecular structure | 71 | 4.2K | 254 | 161 |
| 171 | Nutrition | 95 | 4.1K | 538 | 504 |
| 172 | Clinical Chemistry | 93 | 4.1K | 320 | 279 |
| 173 | Cognitive Science | 57 | 4.1K | 154 | 133 |
| 174 | Earth Sciences | 163 | 4.0K | 214 | 365 |
| 175 | Nanostructures | 48 | 4.0K | 238 | 165 |
| 176 | Ceramic materials | 111 | 4.0K | 49 | 37 |
| 177 | Diabetes | 90 | 3.9K | 239 | 281 |
| 178 | Psychopharmacology | 58 | 3.9K | 216 | 188 |
| 179 | Information Theory | 102 | 3.9K | 86 | 99 |
| 180 | Soft Condensed Matter | 118 | 3.9K | 49 | 55 |
| 181 | lasers | 125 | 3.9K | 158 | 111 |
| 182 | Embryology | 49 | 3.9K | 303 | 216 |
| 183 | plant molecular biology | 60 | 3.8K | 222 | 259 |
| 184 | Plant genetic engineering | 52 | 3.8K | 73 | 43 |
| 185 | Mental illness | 54 | 3.8K | 304 | 260 |
| 186 | Fluid Mechanics | 111 | 3.7K | 91 | 93 |
| 187 | auditory perception | 42 | 3.7K | 22 | 11 |
| 187 | Plastics | 159 | 3.7K | 24 | 50 |
| 189 | Speech Perception | 40 | 3.7K | 20 | 10 |
| 190 | Metabolic diseases | 61 | 3.6K | 375 | 376 |
| 191 | Automation | 75 | 3.6K | 313 | 323 |
| 192 | Analytical Chemistry | 168 | 3.6K | 463 | 676 |
| 193 | Oncology | 28 | 3.5K | 517 | 475 |
| 194 | Neurobiology | 64 | 3.5K | 275 | 288 |
| 195 | Obstetrics | 84 | 3.4K | 294 | 214 |
| 196 | Fracture mechanics | 93 | 3.4K | 119 | 89 |
| 197 | Operations Research | 156 | 3.3K | 97 | 202 |
| 198 | energy resources | 60 | 3.3K | 101 | 163 |
| 199 | Animal Behavior | 73 | 3.3K | 304 | 312 |
| 200 | nuclear astrophysics | 36 | 3.3K | 48 | 12 |
| 201 | Sound | 75 | 3.2K | 63 | 51 |
| 202 | Computational Biology | 89 | 3.2K | 245 | 332 |
| 203 | Medical Physics | 97 | 3.2K | 197 | 210 |
| 204 | Allergy | 33 | 3.2K | 246 | 230 |
| 205 | genome | 31 | 3.2K | 314 | 264 |
| 206 | Diagnostic microbiology | 44 | 3.2K | 172 | 194 |
| 207 | Cosmochemistry | 61 | 3.1K | 47 | 43 |
| 208 | Radiography | 34 | 3.1K | 131 | 108 |
| 209 | Genomics | 78 | 3.1K | 413 | 389 |
| 210 | Bioinorganic chemistry | 124 | 3.1K | 41 | 59 |
| 211 | concrete | 74 | 3.1K | 75 | 124 |
| 212 | Plant Biotechnology | 27 | 3.0K | 116 | 28 |
| 213 | Biogeochemistry | 57 | 2.9K | 145 | 181 |
| 214 | Oncogenes | 26 | 2.9K | 290 | 215 |
| 215 | Signal Transduction | 72 | 2.9K | 93 | 179 |
| 216 | Magnetic Materials | 77 | 2.9K | 123 | 110 |
| 217 | Diabetes mellitus | 66 | 2.9K | 265 | 328 |
| 218 | Surgery | 67 | 2.8K | 220 | 350 |
| 219 | Nonlinear Dynamics | 124 | 2.8K | 217 | 290 |
| 220 | Organometallic chemistry | 119 | 2.7K | 54 | 48 |
| 221 | Plant diseases | 61 | 2.7K | 279 | 195 |
| 222 | Urology | 46 | 2.7K | 309 | 193 |
| 223 | cell interaction | 54 | 2.7K | 54 | 32 |
| 224 | Organic Geochemistry | 50 | 2.7K | 25 | 35 |
| 225 | Petroleum Geology | 63 | 2.7K | 26 | 24 |
| 226 | Chemical industry | 508 | 2.7K | 8 | 29 |
| 227 | Artificial Organs | 139 | 2.7K | 7 | 10 |
| 228 | Morphology | 29 | 2.7K | 149 | 26 |
| 229 | Structural Engineering | 86 | 2.6K | 184 | 184 |
| 230 | Pediatric Neurology | 20 | 2.6K | 288 | 209 |
| 231 | plasticity | 39 | 2.6K | 32 | 39 |
| 231 | Neurons | 9 | 2.6K | 300 | 250 |
| 233 | Perception | 70 | 2.6K | 274 | 261 |
| 234 | Process Control | 48 | 2.5K | 53 | 96 |
| 235 | Microbial Biotechnology | 61 | 2.5K | 19 | 18 |
| 236 | Engineering Geology | 77 | 2.5K | 122 | 154 |
| 237 | Mineralogy | 86 | 2.5K | 158 | 205 |
| 238 | Ceramics | 90 | 2.5K | 99 | 117 |
| 239 | mass transfer | 78 | 2.5K | 163 | 198 |
| 240 | General Surgery | 164 | 2.5K | 19 | 26 |
| 240 | Radio | 60 | 2.5K | 224 | 243 |
| 242 | Glass | 74 | 2.5K | 89 | 103 |
| 243 | Environmental Law | 96 | 2.4K | 33 | 176 |
| 244 | Waste management | 84 | 2.4K | 44 | 39 |
| 245 | Earthquake Engineering | 73 | 2.4K | 186 | 191 |
| 246 | Stem cells | 58 | 2.4K | 190 | 198 |
| 247 | Statistical Mechanics | 17 | 2.4K | 212 | 47 |
| 248 | pottery | 67 | 2.4K | 99 | 104 |
| 249 | Marine Geology | 49 | 2.4K | 40 | 32 |
| 250 | Obesity | 34 | 2.3K | 448 | 320 |
| 251 | Computational Fluid Dynamics | 69 | 2.3K | 10 | 7 |
| 252 | Electromagnetism | 58 | 2.3K | 93 | 62 |
| 253 | Light | 11 | 2.3K | 426 | 227 |
| 254 | Water quality management | 85 | 2.3K | 99 | 102 |
| 255 | actuators | 89 | 2.3K | 174 | 312 |
| 255 | transducers | 89 | 2.3K | 174 | 312 |
| 257 | biological factors | 65 | 2.2K | 151 | 181 |
| 258 | mathematical analysis | 87 | 2.2K | 340 | 169 |
| 259 | Database Management | 69 | 2.2K | 72 | 84 |
| 260 | gene mapping | 21 | 2.2K | 593 | 320 |
| 261 | Thrombosis | 37 | 2.2K | 192 | 151 |
| 262 | Host-parasite interactions | 38 | 2.2K | 214 | 285 |
| 263 | innovation | 16 | 2.2K | 129 | 109 |
| 264 | Microwaves | 64 | 2.2K | 225 | 144 |
| 265 | Orthopedics | 83 | 2.2K | 152 | 169 |
| 266 | animals | 36 | 2.2K | 182 | 52 |
| 267 | Water Purification | 73 | 2.1K | 42 | 41 |
| 268 | Ethology | 27 | 2.1K | 457 | 338 |
| 269 | Organometallic compounds | 58 | 2.1K | 134 | 112 |
| 270 | language | 42 | 2.1K | 97 | 82 |
| 271 | Bioinformatics | 44 | 2.1K | 365 | 353 |
| 272 | Transportation | 58 | 2.1K | 268 | 237 |
| 273 | enzymes | 77 | 2.0K | 93 | 151 |
| 274 | vascular diseases | 30 | 2.0K | 133 | 123 |
| 275 | Statistics | 139 | 2.0K | 239 | 368 |
| 276 | Ocean Engineering | 58 | 2.0K | 291 | 269 |
| 277 | Speech Disorders | 50 | 2.0K | 177 | 136 |
| 278 | Developmental Biology | 47 | 2.0K | 393 | 449 |
| 279 | Biomechanics | 45 | 2.0K | 198 | 204 |
| 280 | Information Technology | 41 | 2.0K | 372 | 318 |
| 281 | Microbial Ecology | 37 | 2.0K | 520 | 549 |
| 282 | Semiconductors | 127 | 2.0K | 106 | 143 |
| 283 | Child psychology | 29 | 2.0K | 400 | 323 |
| 284 | Data Mining | 46 | 2.0K | 147 | 205 |
| 285 | Rock Mechanics | 50 | 2.0K | 127 | 136 |
| 286 | Psycholinguistics | 43 | 1.9K | 154 | 165 |
| 287 | Social Psychology | 45 | 1.9K | 484 | 456 |
| 288 | Kidney diseases | 41 | 1.9K | 118 | 93 |
| 289 | Medical Oncology | 37 | 1.9K | 349 | 294 |
| 290 | Quantum theory | 55 | 1.9K | 106 | 63 |
| 291 | marketing | 35 | 1.9K | 475 | 413 |
| 292 | Orthopedic Surgery | 74 | 1.9K | 32 | 41 |
| 293 | Aging | 46 | 1.9K | 554 | 456 |
| 294 | Ophthalmology | 59 | 1.9K | 304 | 312 |
| 295 | Solar Energy | 53 | 1.9K | 153 | 210 |
| 296 | Mechanical Engineering | 123 | 1.9K | 166 | 220 |
| 297 | Software Engineering | 48 | 1.9K | 114 | 123 |
| 298 | Computer-Aided Design | 83 | 1.8K | 53 | 112 |
| 299 | Environmental Toxicology | 47 | 1.8K | 360 | 411 |
| 300 | Neurosurgery | 44 | 1.8K | 112 | 119 |
| 301 | Differential Equations | 38 | 1.8K | 162 | 62 |
| 302 | Communication | 21 | 1.8K | 695 | 342 |
| 303 | computer networks | 84 | 1.8K | 246 | 356 |
| 304 | Algebra | 155 | 1.8K | 32 | 48 |
| 305 | Robotics | 71 | 1.8K | 172 | 229 |
| 306 | Immunotherapy | 17 | 1.8K | 616 | 360 |
| 307 | hygiene | 54 | 1.8K | 11 | 16 |
| 308 | Soil Mechanics | 54 | 1.8K | 170 | 184 |
| 309 | Inflammation | 32 | 1.7K | 154 | 138 |
| 310 | soil microbiology | 21 | 1.7K | 466 | 382 |
| 311 | Pediatrics | 18 | 1.7K | 777 | 466 |
| 312 | Environmental pollutants | 88 | 1.7K | 123 | 329 |
| 313 | visualization | 111 | 1.7K | 79 | 98 |
| 314 | Radiobiology | 33 | 1.7K | 286 | 223 |
| 315 | internet | 30 | 1.7K | 320 | 224 |
| 316 | Internet of Things | 29 | 1.7K | 231 | 170 |
| 317 | Environmental Microbiology | 17 | 1.7K | 445 | 296 |
| 318 | Geomorphology | 57 | 1.7K | 166 | 264 |
| 319 | Hydrogeology | 60 | 1.7K | 18 | 28 |
| 320 | drug therapy | 74 | 1.7K | 316 | 385 |
| 321 | Economics | 84 | 1.7K | 776 | 788 |
| 322 | Neurolinguistics | 28 | 1.7K | 53 | 49 |
| 323 | Histochemistry | 32 | 1.6K | 163 | 70 |
| 324 | Hydrology | 43 | 1.6K | 503 | 451 |
| 325 | Intelligent Transportation Systems | 42 | 1.6K | 145 | 170 |
| 326 | Cement | 28 | 1.6K | 107 | 146 |
| 327 | rare diseases | 33 | 1.6K | 69 | 49 |
| 328 | Social behavior | 28 | 1.6K | 295 | 224 |
| 329 | Nephrology | 28 | 1.6K | 105 | 92 |
| 330 | Systems Biology | 39 | 1.5K | 246 | 185 |
| 331 | data collection | 26 | 1.5K | 154 | 188 |
| 332 | Information Systems | 55 | 1.5K | 82 | 119 |
| 333 | free radicals | 26 | 1.5K | 323 | 336 |
| 334 | Tribology | 72 | 1.5K | 92 | 120 |
| 335 | Crystallography | 150 | 1.5K | 35 | 128 |
| 336 | drugs | 43 | 1.5K | 348 | 299 |
| 337 | pollutants | 52 | 1.5K | 210 | 321 |
| 338 | Microorganisms | 13 | 1.5K | 385 | 226 |
| 339 | Palliative Care | 38 | 1.5K | 114 | 73 |
| 340 | Photography | 286 | 1.5K | 89 | 64 |
| 341 | Geodynamics | 51 | 1.5K | 121 | 204 |
| 342 | Drug design | 35 | 1.5K | 207 | 190 |
| 343 | Soil Science | 29 | 1.5K | 458 | 348 |
| 344 | Traffic Engineering | 44 | 1.5K | 23 | 47 |
| 344 | Child | 38 | 1.5K | 515 | 382 |
| 346 | Greenhouse gases | 18 | 1.4K | 63 | 35 |
| 347 | histological techniques | 17 | 1.4K | 189 | 97 |
| 347 | cytokines | 7 | 1.4K | 682 | 154 |
| 349 | Transplantation | 32 | 1.4K | 234 | 247 |
| 350 | environmental exposure | 44 | 1.4K | 236 | 276 |
| 351 | Cytogenetics | 20 | 1.4K | 401 | 362 |
| 352 | Memory | 39 | 1.4K | 389 | 395 |
| 353 | Pharmacogenetics | 21 | 1.4K | 208 | 136 |
| 354 | Molecules | 52 | 1.4K | 281 | 275 |
| 355 | Cell communication | 27 | 1.4K | 38 | 41 |
| 356 | research and development | 9 | 1.4K | 90 | 23 |
| 357 | Production Management | 13 | 1.4K | 497 | 362 |
| 358 | nucleic acids | 31 | 1.4K | 456 | 538 |
| 359 | Visual Perception | 42 | 1.4K | 317 | 320 |
| 360 | infection | 57 | 1.4K | 197 | 342 |
| 361 | Bacterial infections | 39 | 1.4K | 73 | 214 |
| 362 | DNA polymerases | 5 | 1.4K | 255 | 152 |
| 363 | behavioral medicine | 22 | 1.4K | 349 | 310 |
| 364 | Medical innovations | 28 | 1.4K | 154 | 296 |
| 365 | Control Theory | 58 | 1.3K | 279 | 296 |
| 366 | energy development | 16 | 1.3K | 180 | 197 |
| 367 | Mechanics | 73 | 1.3K | 71 | 124 |
| 368 | Energy Storage | 51 | 1.3K | 130 | 237 |
| 369 | Environmental Geology | 55 | 1.3K | 133 | 210 |
| 370 | Ergonomics | 43 | 1.3K | 157 | 112 |
| 371 | medical education | 41 | 1.3K | 320 | 271 |
| 371 | Biomolecules | 51 | 1.3K | 4 | 61 |
| 373 | Combinatorial chemistry | 31 | 1.3K | 110 | 149 |
| 374 | Health Policy | 68 | 1.3K | 301 | 399 |
| 375 | Bacteriology | 20 | 1.3K | 642 | 545 |
| 376 | Harmonic Analysis | 26 | 1.3K | 13 | 15 |
| 377 | Transgenic plants | 24 | 1.3K | 49 | 39 |
| 378 | Paleoecology | 36 | 1.3K | 211 | 216 |
| 379 | software | 37 | 1.3K | 81 | 105 |
| 380 | cell physiology | 15 | 1.3K | 572 | 436 |
| 381 | Medical Technology | 55 | 1.3K | 120 | 213 |
| 382 | biofuels | 20 | 1.3K | 38 | 41 |
| 382 | Japan | 43 | 1.3K | 241 | 145 |
| 384 | System analysis | 84 | 1.3K | 215 | 406 |
| 385 | Attention | 54 | 1.2K | 272 | 349 |
| 386 | Parasitic Diseases | 41 | 1.2K | 322 | 360 |
| 387 | Cybernetics | 48 | 1.2K | 245 | 364 |
| 388 | Synaptic Transmission | 36 | 1.2K | 39 | 47 |
| 389 | Health | 101 | 1.2K | 167 | 393 |
| 390 | Radiation | 44 | 1.2K | 369 | 304 |
| 391 | plant communities | 12 | 1.2K | 505 | 330 |
| 392 | Epidemiology | 34 | 1.2K | 919 | 812 |
| 393 | Infections | 49 | 1.2K | 137 | 294 |
| 394 | Molecular Spectroscopy | 60 | 1.2K | 177 | 235 |
| 395 | Social Change | 15 | 1.2K | 313 | 229 |
| 396 | Paleoclimatology | 37 | 1.2K | 223 | 270 |
| 397 | Ore deposits | 42 | 1.2K | 70 | 89 |
| 398 | Industrial Policy | 7 | 1.2K | 288 | 50 |
| 399 | Entrepreneurship | 21 | 1.2K | 193 | 313 |
| 400 | Ultrasonics | 29 | 1.2K | 237 | 215 |
| 401 | Quantum electronics | 31 | 1.2K | 402 | 246 |
| 402 | Paleogeography | 33 | 1.2K | 198 | 219 |
| 403 | Astrocytes | 16 | 1.1K | 113 | 115 |
| 404 | Mycology | 15 | 1.1K | 653 | 361 |
| 405 | Cell metabolism | 11 | 1.1K | 230 | 291 |
| 406 | Nanoelectronics | 66 | 1.1K | 46 | 42 |
| 407 | Virulence | 19 | 1.1K | 353 | 406 |
| 408 | Chemical processes | 63 | 1.1K | 16 | 30 |
| 409 | Semiconductor industry | 62 | 1.1K | 31 | 31 |
| 410 | Schizophrenia | 22 | 1.1K | 289 | 266 |
| 411 | Sustainable Development | 27 | 1.1K | 379 | 455 |
| 412 | pain | 33 | 1.1K | 294 | 346 |
| 413 | Detectors | 30 | 1.1K | 320 | 212 |
| 414 | United States | 38 | 1.1K | 1266 | 1163 |
| 415 | Recycling | 24 | 1.1K | 84 | 155 |
| 416 | Fungi | 14 | 1.1K | 386 | 284 |
| 417 | synthesis | 56 | 1.1K | 44 | 32 |
| 418 | cell membrane | 15 | 1.1K | 223 | 150 |
| 419 | Nuclear Engineering | 54 | 1.0K | 250 | 208 |
| 420 | Metallography | 46 | 1.0K | 68 | 94 |
| 421 | biocatalysis | 12 | 1.0K | 31 | 120 |
| 421 | Homogeneous catalysis | 12 | 1.0K | 31 | 120 |
| 421 | Heterogeneous catalysis | 12 | 1.0K | 31 | 120 |
| 424 | Carbon | 19 | 1.0K | 409 | 443 |
| 425 | Experimental Psychology | 18 | 1.0K | 195 | 151 |
| 426 | Molecular Genetics | 18 | 1.0K | 665 | 569 |
| 427 | Adolescent | 18 | 1.0K | 705 | 432 |
| 428 | Neuropsychiatry | 33 | 992 | 121 | 154 |
| 428 | Sports Medicine | 26 | 992 | 785 | 615 |
| 430 | Clinical Pharmacology | 52 | 991 | 145 | 241 |
| 431 | Petroleum Engineering | 27 | 987 | 151 | 115 |
| 432 | Physical organic chemistry | 28 | 985 | 327 | 225 |
| 433 | Homeostasis | 5 | 978 | 262 | 303 |
| 434 | Informatics | 40 | 967 | 52 | 127 |
| 435 | Mobile Computing | 30 | 962 | 207 | 206 |
| 435 | Microbial Genetics | 17 | 962 | 59 | 65 |
| 435 | phytopathogenic bacteria | 17 | 962 | 48 | 63 |
| 438 | Integrated Circuits | 66 | 960 | 29 | 10 |
| 439 | Oral communication | 10 | 958 | 154 | 31 |
| 440 | Highway Engineering | 41 | 953 | 28 | 36 |
| 441 | Systems Engineering | 38 | 952 | 420 | 477 |
| 442 | Therapeutics | 24 | 945 | 465 | 442 |
| 443 | Product life cycle | 29 | 942 | 22 | 46 |
| 444 | Quantum Communication | 10 | 941 | 56 | 25 |
| 444 | Respiration | 40 | 941 | 299 | 409 |
| 446 | Plant Genetics | 9 | 940 | 327 | 233 |
| 447 | Turbulence | 45 | 938 | 7 | 12 |
| 448 | Microscopy | 47 | 937 | 150 | 204 |
| 449 | Computer Science | 93 | 935 | 74 | 242 |
| 450 | Hazardous waste | 23 | 932 | 145 | 245 |
| 451 | solar cells | 28 | 930 | 122 | 200 |
| 452 | radioactive waste | 22 | 928 | 105 | 224 |
| 452 | industrial waste | 22 | 928 | 122 | 224 |
| 452 | Approximation Theory | 55 | 928 | 18 | 25 |
| 455 | Business | 39 | 923 | 481 | 827 |
| 456 | Child Development | 26 | 918 | 557 | 569 |
| 457 | Synthetic biology | 25 | 904 | 43 | 45 |
| 458 | Heat Exchangers | 46 | 903 | 147 | 330 |
| 459 | Functional Analysis | 36 | 902 | 266 | 216 |
| 460 | Hormones | 24 | 900 | 355 | 353 |
| 461 | Sociology | 40 | 895 | 670 | 745 |
| 462 | Geomagnetism | 31 | 881 | 142 | 144 |
| 462 | Shock Waves | 28 | 881 | 16 | 12 |
| 464 | Evolution | 13 | 880 | 820 | 659 |
| 465 | Biosensors | 24 | 877 | 316 | 475 |
| 465 | Reproductive toxicology | 6 | 877 | 218 | 68 |
| 467 | Analytical Biochemistry | 31 | 876 | 321 | 375 |
| 468 | Gerontology | 19 | 874 | 638 | 387 |
| 468 | Atomic spectroscopy | 23 | 874 | 321 | 201 |
| 470 | green products | 28 | 863 | 23 | 54 |
| 471 | Immunopathology | 26 | 851 | 332 | 351 |
| 472 | Meteorites | 9 | 849 | 531 | 409 |
| 473 | Chromosome mapping | 16 | 847 | 629 | 520 |
| 474 | Biopharmaceutics | 11 | 845 | 467 | 254 |
| 475 | Mining Engineering | 20 | 838 | 121 | 103 |
| 476 | soil pollution | 35 | 835 | 17 | 30 |
| 477 | soil conservation | 33 | 831 | 55 | 81 |
| 478 | Parasitology | 23 | 828 | 762 | 555 |
| 479 | Oxidation-reduction | 15 | 827 | 250 | 341 |
| 480 | Information Retrieval | 10 | 825 | 165 | 99 |
| 481 | Ferroelectricity | 36 | 823 | 186 | 127 |
| 482 | proteins | 44 | 821 | 370 | 543 |
| 483 | Iron | 25 | 819 | 54 | 38 |
| 484 | Clinical Biochemistry | 24 | 815 | 272 | 261 |
| 485 | personality | 19 | 811 | 561 | 574 |
| 486 | Welding | 51 | 807 | 8 | 6 |
| 487 | Cardiovascular diseases | 23 | 802 | 479 | 411 |
| 488 | Planets | 21 | 796 | 577 | 635 |
| 489 | Crystal growth | 41 | 795 | 100 | 206 |
| 490 | Macroeconomics | 3 | 794 | 384 | 23 |
| 491 | Radiology | 24 | 791 | 355 | 219 |
| 492 | rehabilitation | 30 | 787 | 513 | 590 |
| 493 | plasma spraying | 58 | 785 | 5 | 31 |
| 494 | Cerebellum | 12 | 783 | 70 | 62 |
| 494 | Cerebellar ataxia | 12 | 783 | 69 | 62 |
| 496 | Tissue Engineering | 14 | 781 | 63 | 60 |
| 496 | Vaccines | 19 | 781 | 539 | 428 |
| 498 | Sedimentary rocks | 14 | 780 | 188 | 121 |
| 499 | drug development | 20 | 776 | 212 | 381 |
| 500 | Groundwater | 34 | 768 | 66 | 100 |
| 501 | Muscles | 27 | 766 | 162 | 237 |
| 502 | Emergency Medicine | 32 | 758 | 281 | 249 |
| 502 | pain management | 21 | 758 | 122 | 102 |
| 504 | Linguistics | 40 | 748 | 278 | 301 |
| 504 | mental processes | 12 | 748 | 119 | 43 |
| 506 | Zoology | 22 | 747 | 914 | 664 |
| 507 | natural disasters | 25 | 745 | 225 | 290 |
| 508 | Cognitive Psychology | 16 | 743 | 83 | 26 |
| 509 | Meteorology | 28 | 742 | 632 | 824 |
| 510 | Logic Programming | 24 | 740 | 37 | 12 |
| 510 | Bacteria | 18 | 740 | 59 | 100 |
| 512 | Human-Computer Interaction | 46 | 739 | 142 | 357 |
| 513 | X-rays | 8 | 732 | 252 | 31 |
| 514 | Civil Engineering | 93 | 730 | 90 | 174 |
| 515 | cell adhesion molecules | 3 | 728 | 157 | 26 |
| 516 | Education | 25 | 726 | 1207 | 910 |
| 516 | Wound healing | 4 | 726 | 4 | 2 |
| 516 | wound care | 4 | 726 | 4 | 2 |
| 516 | Fibrosis | 4 | 726 | 4 | 2 |
| 520 | biological evolution | 15 | 721 | 820 | 844 |
| 521 | Randomized Controlled Trials | 32 | 719 | 173 | 136 |
| 522 | Electrophysiology | 30 | 711 | 202 | 186 |
| 523 | Vision | 16 | 702 | 248 | 231 |
| 524 | Sonochemistry | 8 | 699 | 289 | 185 |
| 525 | Neuroimaging | 11 | 693 | 96 | 38 |
| 526 | Graph Theory | 54 | 686 | 58 | 75 |
| 527 | Freeze-Drying | 19 | 685 | 41 | 35 |
| 527 | Hypothermia | 19 | 685 | 41 | 35 |
| 527 | Freeze Drying | 19 | 685 | 41 | 35 |
| 530 | nuclear magnetic resonance spectroscopy | 13 | 679 | 298 | 139 |
| 531 | Emergency Medical Services | 25 | 674 | 93 | 68 |
| 532 | Genetic regulation | 14 | 673 | 389 | 416 |
| 533 | Telecommunication Systems | 31 | 669 | 311 | 305 |
| 534 | Plant breeding | 9 | 664 | 345 | 142 |
| 534 | molecular design | 9 | 664 | 92 | 42 |
| 536 | Zeolites | 19 | 662 | 249 | 273 |
| 537 | Growth factors | 4 | 660 | 177 | 83 |
| 538 | preventive medicine | 38 | 656 | 210 | 405 |
| 539 | Molecular Microbiology | 14 | 655 | 360 | 422 |
| 540 | Developmental Psychology | 19 | 651 | 334 | 390 |
| 541 | Educational Psychology | 37 | 649 | 344 | 509 |
| 542 | transgenic organisms | 17 | 648 | 15 | 26 |
| 543 | Eating Disorders | 21 | 640 | 243 | 256 |
| 543 | Feeding and Eating Disorders | 21 | 640 | 229 | 246 |
| 545 | Seismology | 4 | 639 | 402 | 119 |
| 545 | Chromatography | 30 | 639 | 325 | 372 |
| 545 | Chromatographic analysis | 30 | 639 | 419 | 427 |
| 548 | Parenteral nutrition | 23 | 638 | 250 | 348 |
| 549 | transgenic animals | 16 | 636 | 15 | 23 |
| 549 | Bioelectronics | 16 | 636 | 362 | 546 |
| 549 | Steroids | 17 | 636 | 304 | 254 |
| 552 | Geriatrics | 36 | 632 | 685 | 847 |
| 553 | Measurement | 33 | 628 | 223 | 296 |
| 554 | China | 45 | 626 | 532 | 738 |
| 555 | Proteomics | 15 | 624 | 367 | 352 |
| 556 | Molecular Pharmacology | 11 | 618 | 324 | 283 |
| 557 | Gene expression regulation | 21 | 613 | 219 | 324 |
| 558 | Growth | 11 | 607 | 512 | 553 |
| 559 | Mass Spectrometry | 13 | 606 | 501 | 351 |
| 560 | clay | 11 | 605 | 312 | 243 |
| 561 | protein | 26 | 600 | 290 | 377 |
| 561 | Alloys | 60 | 600 | 9 | 15 |
| 563 | Physical Therapy | 5 | 596 | 902 | 423 |
| 564 | Molecular cloning | 15 | 595 | 515 | 415 |
| 564 | Quantum Optics | 26 | 595 | 187 | 190 |
| 566 | fertility | 17 | 590 | 325 | 384 |
| 567 | Small Business | 6 | 588 | 506 | 425 |
| 568 | carbon monoxide | 17 | 585 | 24 | 64 |
| 569 | Heat | 142 | 581 | 1 | 2 |
| 570 | water supply | 19 | 579 | 279 | 360 |
| 571 | Philosophy | 29 | 578 | 503 | 289 |
| 572 | Marine Biology | 19 | 577 | 1023 | 1016 |
| 573 | gastrointestinal tract | 8 | 574 | 133 | 102 |
| 574 | Antioxidants | 10 | 572 | 332 | 365 |
| 575 | Genetic recombination | 14 | 571 | 534 | 421 |
| 575 | Recombinant DNA | 14 | 571 | 593 | 456 |
| 577 | Structural dynamics | 26 | 566 | 259 | 419 |
| 578 | cloning | 8 | 564 | 312 | 298 |
| 579 | Electrophoresis | 24 | 563 | 432 | 495 |
| 580 | Catalysts | 14 | 562 | 194 | 134 |
| 581 | Rheology | 52 | 561 | 50 | 154 |
| 582 | Quantum Computing | 19 | 559 | 28 | 44 |
| 583 | occupational diseases | 22 | 552 | 168 | 236 |
| 584 | Clinical Immunology | 16 | 550 | 390 | 382 |
| 584 | Genetic therapy | 12 | 550 | 434 | 404 |
| 586 | Cytokine | 2 | 548 | 464 | 128 |
| 587 | Lipids | 22 | 547 | 331 | 529 |
| 588 | Technological Innovations | 28 | 546 | 124 | 300 |
| 589 | Sedimentology | 20 | 543 | 119 | 194 |
| 590 | Trace elements | 7 | 542 | 106 | 45 |
| 591 | ecosystem | 18 | 539 | 453 | 609 |
| 592 | Public Policy | 15 | 538 | 661 | 584 |
| 592 | Nanobiotechnology | 10 | 538 | 124 | 159 |
| 592 | risk factors | 12 | 538 | 263 | 219 |
| 595 | Travel | 17 | 537 | 189 | 141 |
| 596 | Synchrotron Radiation | 6 | 533 | 210 | 54 |
| 596 | Information Science | 18 | 533 | 946 | 1008 |
| 598 | plasma | 20 | 532 | 8 | 5 |
| 599 | phase diagrams | 11 | 531 | 52 | 24 |
| 599 | Biomass | 9 | 531 | 260 | 215 |
| 601 | Lightweight concrete | 10 | 527 | 175 | 239 |
| 602 | Venture Capital | 8 | 524 | 113 | 237 |
| 603 | Thermodynamics | 50 | 522 | 110 | 190 |
| 604 | solar power | 16 | 520 | 205 | 310 |
| 605 | Petrology | 26 | 516 | 329 | 469 |
| 606 | Pharmacy | 15 | 512 | 833 | 763 |
| 607 | economic policy | 21 | 510 | 825 | 630 |
| 608 | Food | 20 | 509 | 1157 | 1405 |
| 609 | Cognitive Radio Networks | 12 | 507 | 47 | 40 |
| 610 | electric vehicles | 22 | 503 | 54 | 84 |
| 610 | Yeast | 16 | 503 | 94 | 138 |
| 612 | Crystallization | 38 | 502 | 28 | 89 |
| 613 | Neuromuscular diseases | 17 | 498 | 181 | 196 |
| 614 | Substance Abuse | 11 | 496 | 666 | 481 |
| 615 | Combinatorial analysis | 46 | 494 | 140 | 183 |
| 616 | Logic | 7 | 492 | 275 | 60 |
| 616 | accidents | 64 | 492 | 8 | 15 |
| 618 | Social Sciences | 29 | 490 | 975 | 1001 |
| 618 | Performance | 11 | 490 | 102 | 97 |
| 620 | Dermatology | 16 | 488 | 655 | 590 |
| 620 | locomotion | 12 | 488 | 235 | 199 |
| 620 | posture | 12 | 488 | 235 | 199 |
| 620 | gait | 12 | 488 | 235 | 199 |
| 620 | walking | 12 | 488 | 235 | 199 |
| 625 | Comparative Physiology | 24 | 480 | 190 | 313 |
| 625 | DNA methylation | 14 | 480 | 45 | 88 |
| 627 | Economic Development | 6 | 474 | 1049 | 698 |
| 627 | Learning | 17 | 474 | 501 | 525 |
| 629 | mycoses | 10 | 471 | 330 | 402 |
| 630 | Environmental risk assessment | 19 | 465 | 31 | 54 |
| 631 | Hydraulic Engineering | 22 | 464 | 258 | 313 |
| 632 | Medical Anthropology | 6 | 463 | 799 | 580 |
| 632 | Marine Pollution | 13 | 463 | 505 | 547 |
| 634 | Food Microbiology | 9 | 462 | 612 | 617 |
| 635 | Medical Ethics | 36 | 461 | 200 | 246 |
| 636 | Infertility | 11 | 458 | 388 | 417 |
| 637 | Biodiversity | 17 | 457 | 806 | 921 |
| 638 | Smart Materials | 16 | 455 | 287 | 298 |
| 639 | Adhesion | 24 | 454 | 60 | 111 |
| 639 | adhesives | 24 | 454 | 68 | 112 |
| 641 | gene therapy | 13 | 451 | 400 | 460 |
| 642 | Nuclear Energy | 20 | 449 | 297 | 254 |
| 642 | Ultrasound | 19 | 449 | 217 | 238 |
| 644 | exobiology | 7 | 446 | 141 | 136 |
| 645 | Computational Complexity | 37 | 444 | 79 | 135 |
| 646 | sustainability | 9 | 443 | 370 | 427 |
| 647 | atmospheric models | 13 | 439 | 281 | 344 |
| 648 | arthritis | 21 | 437 | 365 | 575 |
| 649 | Textile industry | 32 | 436 | 72 | 78 |
| 650 | Organizational change | 2 | 432 | 926 | 215 |
| 651 | Radiation Oncology | 9 | 431 | 133 | 84 |
| 652 | vibration | 29 | 430 | 246 | 437 |
| 653 | Asia | 18 | 429 | 949 | 729 |
| 654 | Regional Planning | 28 | 424 | 405 | 599 |
| 655 | Geography | 30 | 422 | 559 | 845 |
| 656 | Neuroanatomy | 10 | 416 | 46 | 47 |
| 657 | Raman spectroscopy | 10 | 413 | 337 | 225 |
| 658 | food technology | 14 | 412 | 1173 | 1252 |
| 659 | Genetic disorders | 51 | 411 | 27 | 157 |
| 659 | Diet | 11 | 411 | 895 | 1043 |
| 661 | Structural design | 16 | 410 | 237 | 269 |
| 661 | Solar power plants | 12 | 410 | 40 | 61 |
| 661 | Photovoltaic Cells | 12 | 410 | 40 | 61 |
| 661 | Teaching | 10 | 410 | 923 | 614 |
| 661 | Plasma devices | 7 | 410 | 171 | 121 |
| 666 | Nonlinear functional analysis | 12 | 409 | 520 | 331 |
| 667 | Databases | 16 | 407 | 119 | 149 |
| 667 | Hematopoietic stem cell transplantation | 9 | 407 | 156 | 159 |
| 669 | Bioremediation | 9 | 405 | 318 | 269 |
| 669 | environmental control | 14 | 405 | 28 | 47 |
| 671 | System design | 12 | 404 | 25 | 26 |
| 672 | Geothermal Energy | 23 | 403 | 20 | 52 |
| 672 | Brain damage | 4 | 403 | 289 | 124 |
| 674 | Psychosomatic Medicine | 7 | 401 | 427 | 336 |
| 675 | probabilities | 33 | 400 | 365 | 388 |
| 676 | Sleep Disorders | 20 | 398 | 468 | 569 |
| 676 | Landslides | 13 | 398 | 45 | 104 |
| 676 | Sleep | 20 | 398 | 471 | 574 |
| 679 | Speech-Language Pathology | 9 | 396 | 96 | 48 |
| 679 | Nanochemistry | 23 | 396 | 214 | 334 |
| 681 | Respiratory system | 17 | 394 | 135 | 214 |
| 682 | Remote Sensing | 19 | 392 | 459 | 413 |
| 683 | Minerals | 19 | 390 | 128 | 194 |
| 684 | Continuum Mechanics | 19 | 388 | 22 | 34 |
| 685 | Calculus of Variations | 25 | 384 | 81 | 116 |
| 685 | Ultrasonic Imaging | 14 | 384 | 140 | 142 |
| 687 | Biometrics | 19 | 382 | 354 | 407 |
| 688 | Multiphase Flow | 12 | 381 | 139 | 154 |
| 689 | Export Marketing | 4 | 379 | 141 | 95 |
| 690 | Superconductors | 35 | 378 | 200 | 257 |
| 690 | diseases | 3 | 378 | 292 | 430 |
| 690 | Disease | 3 | 378 | 304 | 424 |
| 693 | Imaging systems | 8 | 372 | 389 | 111 |
| 694 | analysis | 23 | 370 | 69 | 173 |
| 694 | cryosphere | 8 | 370 | 199 | 188 |
| 696 | Expert Systems | 10 | 369 | 24 | 18 |
| 697 | Fluorescence spectroscopy | 18 | 368 | 28 | 50 |
| 697 | supercritical fluids | 11 | 368 | 150 | 173 |
| 699 | Industrial Ecology | 8 | 367 | 62 | 92 |
| 700 | Autism | 7 | 366 | 410 | 336 |
| 701 | Psychometrics | 11 | 365 | 210 | 205 |
| 701 | Enteral nutrition | 13 | 365 | 291 | 405 |
| 701 | monitoring | 12 | 365 | 51 | 22 |
| 704 | Hydrodynamics | 13 | 363 | 232 | 278 |
| 704 | Proteome | 11 | 363 | 509 | 574 |
| 706 | Language Disorders | 23 | 362 | 238 | 313 |
| 707 | Metallic Glasses | 14 | 360 | 146 | 166 |
| 708 | impact | 8 | 358 | 155 | 145 |
| 709 | Decision making | 19 | 355 | 421 | 612 |
| 710 | Multivariate Analysis | 20 | 354 | 110 | 190 |
| 711 | Rheumatology | 14 | 353 | 433 | 545 |
| 711 | Antigens | 17 | 353 | 246 | 313 |
| 713 | Population Genetics | 9 | 351 | 632 | 647 |
| 714 | micromechanics | 21 | 350 | 135 | 240 |
| 715 | Climatology | 17 | 348 | 651 | 915 |
| 715 | Ethics | 18 | 348 | 255 | 253 |
| 715 | telemarketing | 8 | 348 | 26 | 44 |
| 718 | machinery | 15 | 347 | 241 | 234 |
| 718 | automatic speech recognition | 6 | 347 | 58 | 30 |
| 720 | Forensic Psychiatry | 30 | 346 | 91 | 172 |
| 720 | Plasma chemistry | 26 | 346 | 43 | 120 |
| 722 | Plasma polymerization | 21 | 345 | 29 | 74 |
| 722 | scientific societies | 10 | 345 | 299 | 258 |
| 724 | Drug delivery devices | 5 | 344 | 122 | 106 |
| 724 | natural gas | 11 | 344 | 129 | 140 |
| 726 | Oxidative stress | 8 | 342 | 420 | 605 |
| 727 | sedimentary basins | 12 | 340 | 46 | 91 |
| 727 | Antibodies | 15 | 340 | 182 | 239 |
| 729 | Molecular ecology | 7 | 339 | 636 | 690 |
| 730 | Simulation Methods | 14 | 337 | 299 | 265 |
| 730 | Algae | 3 | 337 | 693 | 380 |
| 732 | Bioenergetics | 8 | 335 | 454 | 438 |
| 733 | Industrial Safety | 18 | 334 | 320 | 467 |
| 734 | Computational Intelligence | 6 | 333 | 372 | 182 |
| 735 | Magnetic Resonance Imaging | 24 | 330 | 78 | 152 |
| 736 | Dynamics | 30 | 329 | 343 | 535 |
| 737 | Forensic Psychology | 29 | 325 | 38 | 106 |
| 737 | Bioethics | 50 | 325 | 99 | 280 |
| 737 | Climate change | 10 | 325 | 481 | 921 |
| 737 | Paleoceanography | 5 | 325 | 127 | 139 |
| 737 | sexual behavior | 8 | 325 | 354 | 309 |
| 742 | Radio waves | 16 | 323 | 359 | 477 |
| 743 | International Finance | 17 | 321 | 641 | 821 |
| 744 | Computational Mathematics | 7 | 320 | 49 | 37 |
| 745 | Nuclear Chemistry | 18 | 319 | 357 | 320 |
| 745 | Radiochemistry | 19 | 319 | 270 | 270 |
| 745 | isomerism | 7 | 319 | 149 | 63 |
| 745 | Chirality | 7 | 319 | 149 | 63 |
| 749 | Origin of life | 2 | 316 | 170 | 38 |
| 749 | Energy Consumption | 11 | 316 | 117 | 236 |
| 749 | Neuroendocrinology | 4 | 316 | 74 | 113 |
| 749 | natural products | 6 | 316 | 1276 | 721 |
| 749 | Organelle biogenesis | 2 | 316 | 264 | 71 |
| 754 | Natural resources | 11 | 312 | 321 | 394 |
| 754 | Digestive system diseases | 13 | 312 | 386 | 420 |
| 756 | psychophysics | 23 | 308 | 44 | 90 |
| 756 | calcification | 4 | 308 | 394 | 255 |
| 758 | Hemodynamics | 5 | 307 | 416 | 405 |
| 759 | Biodiversity conservation | 7 | 304 | 991 | 1166 |
| 759 | Laser Spectroscopy | 7 | 304 | 525 | 292 |
| 761 | human development | 10 | 303 | 398 | 460 |
| 762 | Nuclear Fusion | 17 | 300 | 195 | 215 |
| 763 | Business Ethics | 6 | 299 | 688 | 815 |
| 763 | Seaweed | 2 | 299 | 643 | 324 |
| 765 | Pesticides | 18 | 298 | 119 | 185 |
| 766 | Municipal Engineering | 10 | 297 | 70 | 77 |
| 767 | Oceanography | 9 | 296 | 960 | 920 |
| 767 | Geometry | 22 | 296 | 395 | 298 |
| 767 | Immunochemistry | 7 | 296 | 556 | 390 |
| 770 | Mental Health | 8 | 294 | 882 | 668 |
| 771 | industrial hygiene | 39 | 292 | 100 | 227 |
| 771 | Eutrophication | 5 | 292 | 678 | 956 |
| 773 | Oxidation | 3 | 290 | 142 | 50 |
| 774 | Welfare Economics | 2 | 289 | 530 | 210 |
| 775 | Government policy | 1 | 288 | 315 | 75 |
| 775 | Chromosomes | 9 | 288 | 446 | 504 |
| 777 | Plant Ecology | 11 | 286 | 874 | 1096 |
| 777 | food contamination | 15 | 286 | 264 | 318 |
| 779 | city planning | 26 | 285 | 425 | 766 |
| 780 | Mechatronics | 11 | 282 | 371 | 433 |
| 781 | Human Resources | 8 | 280 | 208 | 290 |
| 782 | Economic History | 15 | 279 | 1462 | 1371 |
| 782 | anesthesia | 10 | 279 | 193 | 81 |
| 784 | Algorithms | 19 | 278 | 137 | 224 |
| 785 | Energy metabolism | 5 | 277 | 421 | 398 |
| 785 | clay minerals | 6 | 277 | 144 | 139 |
| 787 | technical education | 4 | 274 | 562 | 214 |
| 788 | particles | 18 | 273 | 222 | 395 |
| 788 | Gene library | 7 | 273 | 33 | 29 |
| 790 | carcinogens | 9 | 271 | 442 | 554 |
| 790 | weather | 2 | 271 | 714 | 254 |
| 792 | Sarcopenia | 10 | 268 | 108 | 273 |
| 793 | Neural circuitry | 8 | 264 | 1251 | 1233 |
| 793 | Energy Harvesting | 3 | 264 | 430 | 412 |
| 793 | Radioisotopes | 16 | 264 | 356 | 337 |
| 796 | Combinatorial optimization | 17 | 261 | 74 | 63 |
| 797 | Computer Engineering | 9 | 260 | 417 | 296 |
| 798 | Photochemistry | 12 | 259 | 794 | 918 |
| 799 | Chemotherapy | 7 | 258 | 685 | 637 |
| 800 | glycoproteins | 6 | 257 | 262 | 241 |
| 800 | Glycoconjugates | 6 | 257 | 262 | 241 |
| 800 | glycolipids | 6 | 257 | 262 | 241 |
| 803 | Oral Pathology | 7 | 255 | 23 | 36 |
| 804 | Ecological Engineering | 4 | 253 | 533 | 417 |
| 805 | emergency management | 7 | 252 | 353 | 320 |
| 805 | Lipid metabolism | 7 | 252 | 186 | 240 |
| 805 | Lipid | 7 | 252 | 186 | 240 |
| 808 | Leadership | 4 | 251 | 452 | 394 |
| 808 | safety | 12 | 251 | 4 | 11 |
| 808 | biomimicry | 8 | 251 | 69 | 81 |
| 811 | Neuropharmacology | 11 | 250 | 229 | 307 |
| 811 | cardiac catheterization | 17 | 250 | 204 | 231 |
| 813 | Risk Management | 10 | 249 | 252 | 300 |
| 813 | Histocompatibility Testing | 6 | 249 | 270 | 190 |
| 813 | Wind power | 12 | 249 | 66 | 95 |
| 816 | Graphene | 8 | 248 | 18 | 63 |
| 816 | hazard mitigation | 10 | 248 | 357 | 452 |
| 818 | Hearing | 15 | 245 | 248 | 315 |
| 819 | Tropical Medicine | 12 | 244 | 781 | 786 |
| 820 | Developmental Disabilities | 6 | 243 | 633 | 609 |
| 821 | liver | 12 | 242 | 81 | 110 |
| 822 | Finite Element Method | 10 | 241 | 113 | 114 |
| 823 | Formal Languages | 20 | 240 | 23 | 32 |
| 824 | Serology | 4 | 239 | 391 | 195 |
| 824 | medical errors | 11 | 239 | 5 | 7 |
| 826 | Paleontology | 15 | 238 | 531 | 629 |
| 827 | Genetic Toxicology | 5 | 236 | 255 | 271 |
| 827 | Soil dynamics | 6 | 236 | 320 | 265 |
| 827 | Suicide | 4 | 236 | 436 | 256 |
| 830 | Consciousness | 4 | 235 | 419 | 244 |
| 831 | Materials Engineering | 18 | 234 | 116 | 203 |
| 831 | Psychoneuroimmunology | 3 | 234 | 544 | 469 |
| 831 | Neuroimmunology | 3 | 234 | 595 | 513 |
| 831 | Building | 10 | 234 | 259 | 212 |
| 835 | Mineral resources | 5 | 233 | 429 | 395 |
| 835 | Aquaculture | 6 | 233 | 994 | 808 |
| 837 | Developing countries | 7 | 230 | 1468 | 1233 |
| 838 | Gastrointestinal diseases | 9 | 229 | 255 | 240 |
| 839 | Otolaryngology | 6 | 228 | 309 | 244 |
| 839 | Neonatology | 6 | 228 | 337 | 238 |
| 841 | Pharmacokinetics | 9 | 227 | 373 | 495 |
| 842 | Nondestructive testing | 11 | 225 | 251 | 302 |
| 843 | Endocrine glands | 2 | 224 | 299 | 269 |
| 843 | Developmental Immunology | 1 | 224 | 931 | 385 |
| 843 | Protozoa | 3 | 224 | 396 | 219 |
| 846 | RNA | 5 | 222 | 356 | 373 |
| 846 | finance | 16 | 222 | 1011 | 1265 |
| 848 | biological monitoring | 8 | 219 | 208 | 260 |
| 848 | Australia | 9 | 219 | 944 | 821 |
| 850 | Enzyme | 8 | 218 | 229 | 366 |
| 850 | organization | 3 | 218 | 813 | 627 |
| 852 | Requirements Engineering | 6 | 217 | 32 | 45 |
| 852 | Particle Physics | 4 | 217 | 175 | 187 |
| 854 | Econometrics | 13 | 216 | 622 | 679 |
| 854 | Jurisprudence | 20 | 216 | 273 | 429 |
| 854 | Insects | 4 | 216 | 1227 | 735 |
| 857 | atmosphere | 4 | 215 | 632 | 452 |
| 858 | Occupational Health | 17 | 214 | 289 | 460 |
| 859 | Cellulose | 6 | 212 | 355 | 375 |
| 859 | Elementary particles | 3 | 212 | 162 | 178 |
| 861 | Educational Technology | 10 | 211 | 812 | 984 |
| 862 | Vocational guidance | 9 | 209 | 472 | 611 |
| 863 | Environmental Economics | 5 | 208 | 223 | 168 |
| 863 | hospice care | 14 | 208 | 147 | 199 |
| 863 | Kalman Filtering | 1 | 208 | 212 | 30 |
| 866 | Plant Morphology | 11 | 207 | 222 | 265 |
| 866 | Navigation | 15 | 207 | 58 | 73 |
| 868 | Carcinogenesis | 6 | 206 | 569 | 618 |
| 868 | Food additives | 7 | 206 | 648 | 842 |
| 868 | mutagens | 6 | 206 | 463 | 566 |
| 871 | Geotechnical Engineering | 6 | 204 | 291 | 274 |
| 872 | Chemical analysis | 8 | 203 | 638 | 720 |
| 872 | Porous materials | 12 | 203 | 232 | 278 |
| 874 | Aerosols | 16 | 201 | 167 | 302 |
| 874 | Entomology | 7 | 201 | 1508 | 1109 |
| 874 | Egypt | 3 | 201 | 528 | 278 |
| 877 | Maps | 10 | 200 | 54 | 55 |
| 878 | Roads | 16 | 199 | 276 | 315 |
| 878 | Quality of life | 15 | 199 | 474 | 970 |
| 878 | Germany | 67 | 199 | 45 | 114 |
| 881 | Biological Systems | 5 | 198 | 349 | 287 |
| 882 | Longevity | 5 | 197 | 80 | 90 |
| 882 | tomography | 13 | 197 | 101 | 137 |
| 882 | rejuvenation | 5 | 197 | 56 | 72 |
| 885 | Computer Architecture | 14 | 196 | 153 | 183 |
| 886 | Friction | 5 | 195 | 59 | 74 |
| 886 | Cheminformatics | 7 | 195 | 116 | 275 |
| 888 | Developmental Neurobiology | 7 | 193 | 272 | 270 |
| 889 | Clinical Psychology | 8 | 191 | 690 | 830 |
| 889 | Wireless Sensor Networks | 12 | 191 | 8 | 6 |
| 889 | extraterrestrial environment | 10 | 191 | 236 | 244 |
| 892 | Geriatric Oncology | 4 | 190 | 414 | 359 |
| 892 | Sports | 3 | 190 | 1927 | 1117 |
| 894 | Advertising | 1 | 189 | 549 | 247 |
| 895 | optical instruments | 7 | 188 | 183 | 189 |
| 896 | Powder Metallurgy | 14 | 187 | 35 | 24 |
| 897 | magnetic resonance | 11 | 185 | 204 | 227 |
| 898 | Soil biology | 8 | 184 | 543 | 802 |
| 898 | astronomical phenomena | 9 | 184 | 229 | 226 |
| 900 | Coronary heart disease | 12 | 183 | 29 | 32 |
| 901 | Microcirculation | 9 | 181 | 193 | 283 |
| 902 | structural stability | 6 | 180 | 198 | 246 |
| 902 | Fiber Optics | 10 | 180 | 483 | 548 |
| 904 | Discrete Mathematics | 14 | 178 | 62 | 34 |
| 904 | graph | 14 | 178 | 62 | 34 |
| 904 | Eigenvalues | 50 | 178 | 7 | 24 |
| 907 | Communication in politics | 1 | 177 | 522 | 96 |
| 908 | Hemostasis | 10 | 176 | 321 | 404 |
| 908 | Reproductive health | 4 | 176 | 588 | 429 |
| 910 | movement | 3 | 174 | 335 | 229 |
| 910 | Protein engineering | 7 | 174 | 105 | 147 |
| 910 | Aquatic ecology | 3 | 174 | 930 | 561 |
| 913 | Sexual health | 6 | 171 | 428 | 376 |
| 914 | Atmospheric Physics | 5 | 169 | 1112 | 1100 |
| 914 | Personality Disorders | 3 | 169 | 246 | 199 |
| 916 | Neurotransmitters | 10 | 168 | 222 | 291 |
| 916 | wind erosion | 7 | 168 | 31 | 71 |
| 918 | Immunopharmacology | 2 | 167 | 1180 | 707 |
| 919 | Radio wave propagation | 13 | 166 | 275 | 345 |
| 919 | Chemical structure | 20 | 166 | 52 | 158 |
| 919 | ozone | 9 | 166 | 20 | 35 |
| 922 | Microstructure | 17 | 165 | 215 | 366 |
| 923 | Interfaces | 1 | 164 | 655 | 129 |
| 923 | nuclear power | 9 | 164 | 228 | 175 |
| 925 | Agricultural Ecology | 3 | 163 | 995 | 920 |
| 925 | NMR | 9 | 163 | 248 | 232 |
| 925 | health planning | 18 | 163 | 778 | 1336 |
| 925 | drug evaluation | 8 | 163 | 692 | 849 |
| 929 | Transportation Engineering | 12 | 162 | 125 | 230 |
| 929 | Medical Imaging | 14 | 162 | 93 | 168 |
| 931 | Number Theory | 35 | 161 | 110 | 224 |
| 932 | Adolescent Psychology | 3 | 159 | 779 | 581 |
| 932 | Risk | 3 | 159 | 504 | 385 |
| 932 | mathematical concepts | 10 | 159 | 141 | 154 |
| 935 | commerce | 19 | 158 | 437 | 1046 |
| 936 | psychopathology | 2 | 157 | 352 | 272 |
| 936 | fusion reactors | 9 | 157 | 195 | 152 |
| 938 | Geographic information systems | 13 | 156 | 386 | 595 |
| 938 | Petroleum | 7 | 156 | 136 | 92 |
| 940 | Relationships | 1 | 155 | 298 | 140 |
| 941 | Lung Transplantation | 9 | 154 | 175 | 273 |
| 941 | Heart transplantation | 9 | 154 | 175 | 273 |
| 943 | soil management | 2 | 153 | 664 | 495 |
| 943 | Intelligent Control Systems | 6 | 153 | 783 | 410 |
| 943 | counseling | 3 | 153 | 1220 | 799 |
| 946 | Agricultural Chemistry | 6 | 152 | 1532 | 1664 |
| 947 | Industrial Design | 4 | 151 | 195 | 166 |
| 948 | Probability | 2 | 150 | 706 | 399 |
| 948 | Flexible manufacturing systems | 7 | 150 | 184 | 259 |
| 948 | Financial management | 2 | 150 | 577 | 413 |
| 948 | Oligosaccharide | 4 | 150 | 225 | 268 |
| 948 | Carbohydrates | 4 | 150 | 334 | 336 |
| 953 | Exercise | 10 | 149 | 751 | 912 |
| 954 | Regional Economics | 4 | 147 | 396 | 300 |
| 955 | psychotherapy | 16 | 146 | 489 | 873 |
| 956 | Computational Linguistics | 12 | 145 | 112 | 165 |
| 956 | Tunneling | 3 | 145 | 328 | 330 |
| 956 | underground construction | 3 | 145 | 328 | 330 |
| 959 | Animal ecology | 5 | 144 | 867 | 843 |
| 959 | Europa | 2 | 144 | 623 | 386 |
| 959 | Nonlinear mechanics | 6 | 144 | 276 | 272 |
| 962 | Antibacterial agents | 3 | 143 | 590 | 528 |
| 962 | big data | 11 | 143 | 150 | 403 |
| 962 | Ventilation | 10 | 143 | 184 | 328 |
| 962 | Work | 21 | 143 | 50 | 232 |
| 966 | Surface-Active Agents | 8 | 142 | 601 | 1027 |
| 966 | Surface properties | 8 | 142 | 649 | 1101 |
| 968 | alcoholism | 9 | 140 | 718 | 987 |
| 969 | Urban Economics | 2 | 139 | 445 | 323 |
| 969 | urban population | 2 | 139 | 283 | 252 |
| 971 | Clinical Laboratory Science | 6 | 138 | 89 | 82 |
| 971 | Neurotoxicology | 6 | 138 | 329 | 472 |
| 971 | Wireless Communication | 15 | 138 | 64 | 182 |
| 971 | Mitochondria | 3 | 138 | 238 | 224 |
| 971 | Classification | 5 | 138 | 151 | 175 |
| 971 | Breeding | 5 | 138 | 845 | 880 |
| 977 | Health Education | 2 | 137 | 2010 | 1186 |
| 977 | Patient education | 2 | 137 | 663 | 475 |
| 977 | Extracellular matrix | 4 | 137 | 191 | 270 |
| 977 | collagen | 4 | 137 | 206 | 280 |
| 981 | Continental shelf | 6 | 135 | 233 | 320 |
| 982 | Occupational Therapy | 12 | 131 | 378 | 402 |
| 982 | Pituitary gland | 6 | 131 | 92 | 138 |
| 984 | monoclonal antibodies | 4 | 130 | 187 | 138 |
| 985 | optical phenomena | 5 | 129 | 72 | 81 |
| 985 | disease outbreaks | 3 | 129 | 454 | 459 |
| 985 | Epidemics | 3 | 129 | 443 | 456 |
| 988 | Adsorption | 4 | 128 | 144 | 130 |
| 988 | Social policy | 6 | 128 | 703 | 639 |
| 990 | Global Health | 7 | 126 | 579 | 637 |
| 990 | Geriatric Psychiatry | 2 | 126 | 1040 | 716 |
| 992 | Quality Control | 8 | 125 | 946 | 1400 |
| 992 | Strategic planning | 4 | 125 | 659 | 650 |
| 992 | Spine | 4 | 125 | 494 | 559 |
| 992 | World Wide Web | 5 | 125 | 239 | 193 |
| 996 | Pharmacognosy | 5 | 124 | 1413 | 1657 |
| 996 | speech therapy | 6 | 124 | 267 | 260 |
| 996 | labor | 22 | 124 | 33 | 214 |
| 996 | Information society | 3 | 124 | 122 | 81 |
| 996 | Bones | 6 | 124 | 461 | 695 |