| 1 | Physics | 14,012 | 550.7K | 5 | 35 |
| 2 | Chemistry | 7,242 | 386.9K | 5 | 22 |
| 3 | Biochemistry | 9,338 | 374.5K | 4 | 11 |
| 4 | Biology | 3,758 | 350.8K | 43 | 53 |
| 5 | Science | 2,896 | 328.8K | 73 | 56 |
| 6 | Molecular Biology | 3,118 | 267.2K | 25 | 23 |
| 7 | Cytology | 1,735 | 222.4K | 22 | 25 |
| 8 | Cell Biology | 1,104 | 184.6K | 36 | 33 |
| 9 | Natural history | 489 | 180.7K | 91 | 54 |
| 10 | Immunology | 1,221 | 157.2K | 17 | 8 |
| 11 | Medicine | 2,249 | 147.7K | 114 | 87 |
| 12 | Immunity | 563 | 129.3K | 10 | 7 |
| 13 | Virology | 800 | 125.5K | 31 | 34 |
| 14 | Materials | 3,368 | 120.1K | 17 | 49 |
| 15 | Microbiology | 2,684 | 119.5K | 6 | 43 |
| 16 | Biophysics | 3,378 | 117.5K | 4 | 6 |
| 17 | Neurology | 2,248 | 109.9K | 51 | 79 |
| 18 | Nuclear Physics | 3,931 | 107.1K | 14 | 42 |
| 19 | Research | 2,110 | 99.4K | 64 | 50 |
| 20 | Solid State Physics | 3,270 | 94.3K | 6 | 26 |
| 21 | Technology | 5,354 | 85.7K | 1 | 1 |
| 22 | Condensed Matter | 2,572 | 84.6K | 12 | 31 |
| 23 | Immune system | 127 | 69.1K | 32 | 5 |
| 24 | Materials Science | 1,825 | 57.2K | 17 | 58 |
| 25 | Polymers | 2,235 | 56.8K | 11 | 27 |
| 26 | Immunotherapy | 211 | 55.8K | 37 | 3 |
| 27 | Biotechnology | 1,698 | 55.1K | 13 | 63 |
| 28 | biological evolution | 76 | 49.7K | 279 | 16 |
| 29 | Bioengineering | 1,548 | 48.6K | 4 | 49 |
| 30 | Molecular evolution | 39 | 48.5K | 253 | 8 |
| 31 | polymerization | 1,923 | 48.1K | 8 | 21 |
| 32 | Catalysis | 1,036 | 47.3K | 27 | 47 |
| 33 | Developmental Biology | 559 | 45.4K | 32 | 34 |
| 34 | Metallurgy | 942 | 44.7K | 6 | 7 |
| 35 | Allergy | 137 | 42.6K | 50 | 9 |
| 36 | Astrophysics | 941 | 42.3K | 164 | 254 |
| 37 | Human genetics | 283 | 41.5K | 80 | 129 |
| 38 | Optics | 2,015 | 41.1K | 18 | 28 |
| 39 | Biomedical Engineering | 1,440 | 40.5K | 4 | 25 |
| 40 | Cell differentiation | 327 | 39.9K | 28 | 20 |
| 41 | Brain | 999 | 39.7K | 6 | 27 |
| 42 | Spectrum analysis | 994 | 39.2K | 76 | 163 |
| 43 | Organic Chemistry | 1,293 | 39.2K | 4 | 3 |
| 44 | Japan | 2,298 | 37.5K | 4 | 4 |
| 45 | Nanotechnology | 875 | 37.0K | 95 | 151 |
| 46 | Genetics | 610 | 34.7K | 71 | 113 |
| 47 | Biocompatible Materials | 728 | 34.0K | 53 | 78 |
| 48 | Neurophysiology | 586 | 34.0K | 58 | 84 |
| 49 | Metals | 631 | 31.2K | 13 | 16 |
| 50 | Embryology | 400 | 29.6K | 21 | 29 |
| 51 | Quantum Gravity | 809 | 29.5K | 39 | 81 |
| 52 | Physiology | 658 | 28.1K | 89 | 100 |
| 53 | Pharmacology | 1,612 | 27.6K | 14 | 127 |
| 54 | Histology | 579 | 27.4K | 1 | 2 |
| 55 | Astronomy | 744 | 27.4K | 170 | 258 |
| 56 | Endocrinology | 456 | 27.0K | 107 | 116 |
| 57 | Cytogenetics | 417 | 27.0K | 10 | 27 |
| 58 | Growth | 299 | 25.1K | 26 | 40 |
| 59 | Hematology | 411 | 24.9K | 112 | 91 |
| 60 | Cancer | 468 | 24.2K | 91 | 104 |
| 61 | Bacteriology | 413 | 23.7K | 20 | 40 |
| 62 | Metabolism | 412 | 23.5K | 77 | 102 |
| 63 | Anatomy | 263 | 22.6K | 48 | 34 |
| 64 | Surface Chemistry | 851 | 22.5K | 13 | 59 |
| 65 | Photonics | 266 | 22.2K | 63 | 31 |
| 66 | Neurochemistry | 534 | 22.0K | 14 | 40 |
| 67 | Electrochemistry | 1,412 | 21.5K | 13 | 51 |
| 68 | Metabolic diseases | 270 | 20.9K | 100 | 92 |
| 69 | Molecular Genetics | 476 | 20.8K | 4 | 18 |
| 70 | Solid State Chemistry | 867 | 19.7K | 3 | 5 |
| 71 | Hypertension | 204 | 19.6K | 89 | 59 |
| 72 | Chemical Engineering | 787 | 19.3K | 91 | 198 |
| 73 | Medical genetics | 384 | 19.1K | 84 | 124 |
| 74 | Light | 140 | 18.3K | 11 | 11 |
| 75 | Physical Chemistry | 465 | 18.2K | 5 | 33 |
| 76 | Cell death | 106 | 18.1K | 58 | 24 |
| 77 | Genes | 417 | 17.8K | 3 | 3 |
| 78 | viruses | 240 | 17.7K | 47 | 44 |
| 79 | Biomechanics | 383 | 17.5K | 3 | 11 |
| 80 | Electronics | 1,637 | 17.4K | 2 | 75 |
| 81 | Cardiovascular system | 146 | 17.0K | 122 | 87 |
| 82 | Colloids | 602 | 16.6K | 44 | 118 |
| 83 | Neurobiology | 310 | 16.5K | 37 | 64 |
| 84 | Signal Transduction | 353 | 16.3K | 3 | 11 |
| 85 | cell physiology | 194 | 16.2K | 45 | 32 |
| 86 | nucleic acids | 362 | 15.6K | 11 | 88 |
| 87 | Diabetes | 284 | 15.6K | 54 | 77 |
| 88 | Bioorganic chemistry | 461 | 15.5K | 11 | 27 |
| 89 | Molecular structure | 214 | 15.5K | 32 | 32 |
| 90 | Diabetes mellitus | 265 | 15.2K | 42 | 75 |
| 91 | Cell division | 324 | 15.1K | 1 | 2 |
| 92 | Statistical physics | 599 | 15.0K | 82 | 136 |
| 93 | Gene expression | 314 | 14.9K | 1 | 2 |
| 94 | Nanostructured Materials | 483 | 14.4K | 63 | 108 |
| 95 | Cardiovascular diseases | 358 | 14.1K | 3 | 2 |
| 96 | Analytical Chemistry | 626 | 13.7K | 65 | 160 |
| 97 | Oncogenes | 157 | 13.7K | 27 | 28 |
| 98 | Medical Microbiology | 276 | 13.6K | 45 | 71 |
| 99 | Genetic engineering | 289 | 13.5K | 9 | 17 |
| 100 | Liver diseases | 223 | 13.4K | 33 | 72 |
| 101 | nanoscience | 285 | 13.3K | 93 | 141 |
| 102 | Pharmaceutical Chemistry | 608 | 13.0K | 35 | 134 |
| 103 | Pathology | 270 | 12.9K | 72 | 85 |
| 104 | Robotics | 473 | 12.5K | 4 | 14 |
| 105 | Environment | 238 | 12.2K | 333 | 461 |
| 106 | plant molecular biology | 156 | 11.7K | 68 | 94 |
| 107 | Industrial Microbiology | 401 | 11.6K | 3 | 13 |
| 108 | Plant physiology | 176 | 11.5K | 93 | 78 |
| 109 | Ophthalmology | 308 | 11.5K | 55 | 53 |
| 110 | Artificial Intelligence | 307 | 11.2K | 92 | 140 |
| 111 | Mathematics | 915 | 11.2K | 129 | 176 |
| 112 | Genetic regulation | 112 | 11.1K | 36 | 45 |
| 113 | Nervous system | 258 | 11.0K | 76 | 128 |
| 114 | gene therapy | 173 | 11.0K | 17 | 15 |
| 115 | Chemical industry | 716 | 10.6K | 1 | 2 |
| 116 | Recombinant DNA | 241 | 10.3K | 4 | 5 |
| 117 | Ecology | 216 | 10.2K | 602 | 646 |
| 118 | Transplantation | 170 | 10.2K | 56 | 51 |
| 119 | Molecular cloning | 231 | 10.1K | 3 | 5 |
| 120 | Genetic recombination | 229 | 10.1K | 3 | 5 |
| 121 | Mathematical Physics | 441 | 9.9K | 52 | 126 |
| 122 | Psychiatry | 180 | 9.7K | 361 | 324 |
| 123 | Botany | 220 | 9.6K | 349 | 360 |
| 124 | Nuclear Engineering | 1,095 | 9.6K | 7 | 19 |
| 125 | Biochemical Engineering | 227 | 9.5K | 162 | 275 |
| 126 | Photochemistry | 317 | 9.3K | 2 | 5 |
| 127 | Thrombosis | 131 | 9.2K | 30 | 18 |
| 128 | Cybernetics | 151 | 9.1K | 43 | 47 |
| 129 | miniaturization | 181 | 8.9K | 71 | 121 |
| 130 | Plant cells | 76 | 8.9K | 142 | 140 |
| 131 | lasers | 364 | 8.9K | 23 | 24 |
| 132 | Clinical Chemistry | 360 | 8.8K | 40 | 113 |
| 133 | Genetic therapy | 186 | 8.8K | 16 | 19 |
| 134 | Ceramics | 356 | 8.8K | 9 | 29 |
| 135 | Optical materials | 232 | 8.7K | 97 | 147 |
| 136 | Automation | 164 | 8.7K | 141 | 153 |
| 137 | Telecommunication | 913 | 8.4K | 7 | 157 |
| 138 | Medical Laboratory Science | 252 | 8.4K | 20 | 75 |
| 139 | Gene expression regulation | 78 | 8.3K | 45 | 48 |
| 140 | Membranes | 286 | 8.3K | 23 | 84 |
| 141 | pottery | 219 | 8.2K | 22 | 28 |
| 142 | Glass | 217 | 8.2K | 23 | 28 |
| 143 | Developmental Genetics | 64 | 8.1K | 48 | 50 |
| 144 | Microelectronics | 241 | 8.1K | 55 | 118 |
| 145 | Nutrition | 252 | 8.0K | 208 | 302 |
| 146 | Host-parasite interactions | 82 | 7.9K | 83 | 75 |
| 147 | Plant genetic engineering | 174 | 7.8K | 12 | 16 |
| 148 | Toxicology | 329 | 7.8K | 168 | 330 |
| 149 | Economics | 555 | 7.8K | 84 | 263 |
| 150 | United States | 61 | 7.8K | 930 | 344 |
| 151 | proteins | 284 | 7.7K | 20 | 68 |
| 152 | Microbial Ecology | 141 | 7.7K | 135 | 214 |
| 153 | Reproduction | 242 | 7.6K | 73 | 95 |
| 154 | Stem cells | 152 | 7.6K | 55 | 45 |
| 155 | Information Theory | 136 | 7.5K | 61 | 55 |
| 156 | Orthopedics | 243 | 7.5K | 26 | 40 |
| 157 | Nonlinear Dynamics | 303 | 7.3K | 50 | 102 |
| 158 | vascular diseases | 58 | 7.3K | 66 | 19 |
| 159 | Quantum electronics | 270 | 7.1K | 24 | 36 |
| 160 | Neurons | 55 | 7.0K | 70 | 122 |
| 161 | Environmental Health | 257 | 7.0K | 278 | 509 |
| 162 | Composite Materials | 142 | 7.0K | 238 | 214 |
| 163 | viral genetics | 34 | 6.9K | 52 | 49 |
| 164 | Psychophysiology | 207 | 6.8K | 246 | 313 |
| 165 | Plant Genetics | 108 | 6.8K | 15 | 20 |
| 166 | Long-Term Care | 14 | 6.7K | 163 | 15 |
| 166 | Long-term care facilities | 14 | 6.7K | 158 | 15 |
| 168 | Psychology | 235 | 6.7K | 393 | 420 |
| 169 | Pharmacy | 373 | 6.7K | 25 | 69 |
| 170 | United Kingdom | 138 | 6.7K | 69 | 66 |
| 171 | Nuclear Fusion | 421 | 6.6K | 16 | 21 |
| 172 | Photobiology | 204 | 6.6K | 2 | 4 |
| 173 | Nanostructures | 166 | 6.6K | 31 | 94 |
| 174 | Radiation | 394 | 6.5K | 4 | 29 |
| 175 | Therapeutics | 172 | 6.5K | 67 | 96 |
| 176 | gene mapping | 129 | 6.4K | 78 | 116 |
| 177 | food technology | 259 | 6.3K | 60 | 112 |
| 178 | Fiber Optics | 171 | 6.1K | 21 | 19 |
| 179 | Computational Biology | 102 | 6.1K | 211 | 199 |
| 180 | Hemodynamics | 61 | 6.0K | 60 | 35 |
| 181 | Perception | 199 | 6.0K | 99 | 113 |
| 182 | Electrochemical Analysis | 148 | 6.0K | 33 | 24 |
| 183 | Agricultural Chemistry | 567 | 6.0K | 10 | 113 |
| 184 | Mental Disorders | 89 | 6.0K | 325 | 279 |
| 185 | Critical Care | 86 | 5.9K | 157 | 167 |
| 186 | Genomics | 159 | 5.9K | 187 | 207 |
| 187 | Critical Care Medicine | 86 | 5.9K | 159 | 168 |
| 188 | genome | 75 | 5.8K | 136 | 168 |
| 189 | Fermentation | 245 | 5.8K | 1 | 1 |
| 190 | Oncology | 66 | 5.8K | 266 | 313 |
| 191 | Manufacturing Processes | 184 | 5.7K | 100 | 103 |
| 192 | Geophysics | 222 | 5.6K | 341 | 430 |
| 193 | Molecular Microbiology | 78 | 5.6K | 56 | 67 |
| 194 | Virulence | 77 | 5.6K | 86 | 103 |
| 195 | Memory | 174 | 5.6K | 105 | 135 |
| 196 | Immunopathology | 120 | 5.6K | 47 | 39 |
| 197 | protein | 188 | 5.5K | 17 | 55 |
| 198 | Electrical Engineering | 904 | 5.5K | 12 | 108 |
| 199 | Attention | 169 | 5.4K | 92 | 88 |
| 200 | Visual Perception | 169 | 5.4K | 86 | 83 |
| 201 | Bioinformatics | 75 | 5.4K | 212 | 174 |
| 202 | Nuclear Energy | 729 | 5.3K | 7 | 15 |
| 203 | Radiobiology | 222 | 5.3K | 43 | 91 |
| 204 | Computer Graphics | 101 | 5.3K | 143 | 96 |
| 205 | Systems Biology | 180 | 5.3K | 8 | 21 |
| 206 | Plants | 52 | 5.2K | 331 | 217 |
| 207 | Surgery | 66 | 5.2K | 224 | 240 |
| 208 | Vaccines | 195 | 5.1K | 34 | 63 |
| 209 | Mass Spectrometry | 180 | 5.1K | 5 | 19 |
| 210 | Green Chemistry | 95 | 5.0K | 121 | 135 |
| 211 | Geriatrics | 233 | 5.0K | 156 | 225 |
| 212 | Semiconductors | 235 | 5.0K | 35 | 27 |
| 213 | Lipids | 60 | 4.9K | 118 | 60 |
| 214 | Energy Conversion | 74 | 4.8K | 102 | 167 |
| 215 | Fluid Mechanics | 156 | 4.8K | 50 | 68 |
| 216 | Ocean Engineering | 214 | 4.6K | 57 | 106 |
| 217 | Spine | 59 | 4.6K | 70 | 44 |
| 218 | Power Electronics | 27 | 4.6K | 280 | 99 |
| 219 | Mental illness | 47 | 4.5K | 341 | 217 |
| 220 | glycoproteins | 78 | 4.4K | 6 | 11 |
| 220 | Glycoconjugates | 78 | 4.4K | 6 | 11 |
| 220 | glycolipids | 78 | 4.4K | 6 | 11 |
| 223 | Pollution | 117 | 4.4K | 719 | 879 |
| 224 | Medical Oncology | 122 | 4.4K | 128 | 158 |
| 225 | arthritis | 71 | 4.3K | 145 | 134 |
| 226 | Public Health | 126 | 4.3K | 609 | 608 |
| 227 | Welding | 486 | 4.3K | 1 | 1 |
| 228 | Autoimmune diseases | 46 | 4.3K | 33 | 13 |
| 229 | Chromosome mapping | 114 | 4.2K | 76 | 122 |
| 229 | actuators | 133 | 4.2K | 95 | 136 |
| 229 | transducers | 133 | 4.2K | 95 | 136 |
| 232 | Physical organic chemistry | 183 | 4.2K | 5 | 10 |
| 233 | Planets | 143 | 4.2K | 163 | 240 |
| 234 | Behavior | 118 | 4.2K | 352 | 475 |
| 235 | Pediatric Neurology | 113 | 4.1K | 47 | 136 |
| 236 | Carbohydrates | 72 | 4.1K | 6 | 7 |
| 237 | Medical Physics | 191 | 4.1K | 87 | 156 |
| 238 | Pediatrics | 125 | 4.0K | 209 | 269 |
| 239 | Bones | 95 | 4.0K | 20 | 45 |
| 240 | Neuropsychology | 133 | 4.0K | 188 | 237 |
| 241 | Pharmaceutical Technology | 84 | 4.0K | 64 | 43 |
| 242 | Iron | 189 | 4.0K | 9 | 7 |
| 243 | Diagnostic Imaging | 106 | 3.9K | 132 | 125 |
| 244 | Image Processing | 105 | 3.9K | 196 | 234 |
| 245 | Carbon | 96 | 3.9K | 58 | 116 |
| 246 | Metallic Glasses | 104 | 3.9K | 8 | 8 |
| 247 | drug therapy | 187 | 3.8K | 112 | 210 |
| 248 | enzymes | 155 | 3.8K | 24 | 68 |
| 249 | Oligosaccharide | 54 | 3.7K | 7 | 8 |
| 250 | cytokines | 40 | 3.7K | 124 | 42 |
| 251 | catalytic activity | 66 | 3.7K | 15 | 12 |
| 252 | Naval Architecture | 160 | 3.6K | 3 | 4 |
| 253 | Environmental Chemistry | 39 | 3.6K | 340 | 266 |
| 254 | Geology | 73 | 3.6K | 616 | 440 |
| 255 | Bioinorganic chemistry | 150 | 3.6K | 25 | 38 |
| 256 | Bacterial infections | 30 | 3.6K | 102 | 80 |
| 257 | Bioenergetics | 99 | 3.5K | 29 | 51 |
| 258 | histological techniques | 78 | 3.5K | 10 | 21 |
| 259 | mycoses | 22 | 3.5K | 150 | 74 |
| 260 | environmental pollution | 100 | 3.5K | 562 | 695 |
| 261 | Engineering | 210 | 3.5K | 206 | 290 |
| 262 | Mechanical Engineering | 205 | 3.4K | 83 | 109 |
| 263 | Crystallography | 294 | 3.4K | 5 | 59 |
| 264 | human behavior | 94 | 3.4K | 275 | 438 |
| 265 | fusion reactors | 299 | 3.3K | 10 | 16 |
| 266 | Organometallic compounds | 110 | 3.3K | 40 | 57 |
| 267 | Energy metabolism | 94 | 3.3K | 29 | 50 |
| 268 | Cell metabolism | 22 | 3.3K | 109 | 125 |
| 269 | Urology | 107 | 3.3K | 159 | 161 |
| 270 | Homeostasis | 15 | 3.2K | 113 | 124 |
| 271 | Psychopharmacology | 67 | 3.2K | 187 | 224 |
| 272 | Computer Vision | 67 | 3.1K | 90 | 144 |
| 273 | infection | 123 | 3.1K | 57 | 145 |
| 274 | cell membrane | 85 | 3.1K | 33 | 48 |
| 275 | Solar Energy | 82 | 3.1K | 78 | 105 |
| 276 | Environmental Management | 55 | 3.1K | 454 | 383 |
| 277 | Environmental monitoring | 85 | 3.1K | 450 | 568 |
| 278 | Diagnostic microbiology | 42 | 3.1K | 182 | 203 |
| 279 | Geochemistry | 103 | 3.0K | 282 | 368 |
| 280 | cloning | 40 | 3.0K | 39 | 45 |
| 281 | Obstetrics | 123 | 2.9K | 207 | 244 |
| 282 | computer networks | 117 | 2.9K | 162 | 199 |
| 283 | Liquid Crystals | 413 | 2.9K | 3 | 7 |
| 284 | pain | 40 | 2.9K | 246 | 178 |
| 285 | Epidemiology | 109 | 2.9K | 406 | 472 |
| 286 | Rheumatology | 42 | 2.9K | 179 | 157 |
| 287 | Analytical Biochemistry | 122 | 2.8K | 33 | 107 |
| 288 | Statistics | 230 | 2.8K | 120 | 307 |
| 289 | Hormones | 75 | 2.8K | 96 | 123 |
| 290 | Superconductors | 221 | 2.8K | 24 | 42 |
| 291 | Signal Processing | 93 | 2.8K | 337 | 411 |
| 292 | Sustainable Engineering | 51 | 2.7K | 194 | 161 |
| 293 | Water pollution | 77 | 2.7K | 370 | 473 |
| 294 | Child | 143 | 2.6K | 155 | 235 |
| 295 | System analysis | 127 | 2.6K | 112 | 193 |
| 296 | Software Engineering | 28 | 2.6K | 213 | 79 |
| 297 | Crystal growth | 101 | 2.6K | 16 | 42 |
| 298 | Biosensors | 62 | 2.6K | 104 | 172 |
| 298 | Histochemistry | 89 | 2.6K | 20 | 38 |
| 300 | Ceramic materials | 96 | 2.5K | 61 | 82 |
| 301 | Clinical Biochemistry | 45 | 2.5K | 121 | 71 |
| 302 | Environmental Engineering | 59 | 2.5K | 621 | 633 |
| 303 | Nanoparticles | 99 | 2.5K | 105 | 199 |
| 304 | Obesity | 54 | 2.5K | 320 | 310 |
| 305 | Economic History | 213 | 2.5K | 128 | 309 |
| 306 | Neural circuitry | 80 | 2.5K | 128 | 189 |
| 307 | Medical innovations | 34 | 2.4K | 113 | 171 |
| 308 | energy conservation | 31 | 2.4K | 450 | 353 |
| 309 | X-ray crystallography | 212 | 2.4K | 2 | 27 |
| 310 | Child Development | 118 | 2.4K | 179 | 303 |
| 311 | Meteorites | 86 | 2.4K | 119 | 235 |
| 312 | Luminescence | 194 | 2.4K | 3 | 21 |
| 313 | Thermodynamics | 102 | 2.4K | 33 | 22 |
| 314 | Production Engineering | 176 | 2.4K | 67 | 133 |
| 315 | Parenteral nutrition | 76 | 2.4K | 48 | 133 |
| 316 | Photography | 796 | 2.4K | 19 | 32 |
| 317 | plant communities | 27 | 2.3K | 267 | 187 |
| 318 | Particle Physics | 29 | 2.3K | 10 | 5 |
| 319 | Parasitology | 117 | 2.3K | 136 | 205 |
| 319 | Microwaves | 94 | 2.3K | 143 | 135 |
| 321 | Fracture mechanics | 106 | 2.3K | 93 | 132 |
| 322 | Elementary particles | 27 | 2.3K | 10 | 5 |
| 323 | Chromosomes | 70 | 2.3K | 46 | 66 |
| 324 | Organometallic chemistry | 111 | 2.3K | 62 | 69 |
| 325 | mass transfer | 80 | 2.3K | 157 | 228 |
| 326 | Algebra | 123 | 2.3K | 65 | 26 |
| 327 | Magnetic Materials | 148 | 2.2K | 52 | 148 |
| 327 | Plasma devices | 20 | 2.2K | 74 | 25 |
| 329 | nuclear magnetic resonance | 166 | 2.2K | 30 | 104 |
| 330 | solar cells | 56 | 2.2K | 45 | 60 |
| 331 | DNA polymerases | 15 | 2.2K | 104 | 89 |
| 332 | biological factors | 75 | 2.2K | 121 | 193 |
| 333 | Wireless Communication Systems | 102 | 2.2K | 253 | 321 |
| 334 | Microscopy | 92 | 2.2K | 40 | 89 |
| 335 | Radio | 92 | 2.2K | 151 | 264 |
| 336 | solar power | 54 | 2.1K | 29 | 43 |
| 337 | Molecules | 124 | 2.1K | 77 | 183 |
| 338 | Digestive system diseases | 56 | 2.1K | 100 | 64 |
| 339 | Marine Engineering | 107 | 2.1K | 3 | 1 |
| 340 | Proteome | 66 | 2.1K | 75 | 160 |
| 341 | drug development | 25 | 2.1K | 159 | 169 |
| 342 | Metallography | 83 | 2.1K | 19 | 22 |
| 343 | Growth factors | 16 | 2.1K | 20 | 17 |
| 344 | mathematical analysis | 157 | 2.1K | 140 | 193 |
| 345 | economic policy | 163 | 2.1K | 58 | 179 |
| 346 | Hemostasis | 73 | 2.1K | 27 | 30 |
| 347 | Computer Science | 257 | 2.0K | 6 | 85 |
| 348 | Bioelectronics | 40 | 2.0K | 136 | 182 |
| 349 | Cytokine | 17 | 2.0K | 56 | 21 |
| 350 | Ferroelectricity | 114 | 2.0K | 30 | 41 |
| 351 | Parasitic Diseases | 89 | 2.0K | 121 | 227 |
| 352 | Schizophrenia | 42 | 2.0K | 172 | 173 |
| 353 | Cognition | 37 | 2.0K | 435 | 332 |
| 354 | Functional Analysis | 96 | 2.0K | 54 | 68 |
| 355 | diseases | 4 | 2.0K | 234 | 186 |
| 355 | Disease | 4 | 2.0K | 243 | 182 |
| 357 | Radiology | 145 | 1.9K | 46 | 83 |
| 358 | Data Mining | 29 | 1.9K | 276 | 211 |
| 359 | Soil Mechanics | 30 | 1.9K | 290 | 170 |
| 360 | Clinical Immunology | 48 | 1.9K | 152 | 119 |
| 360 | Diet | 42 | 1.9K | 390 | 438 |
| 362 | Steroids | 136 | 1.9K | 10 | 71 |
| 363 | Water | 44 | 1.9K | 521 | 618 |
| 364 | Dynamics | 38 | 1.9K | 260 | 74 |
| 365 | particles | 123 | 1.9K | 7 | 26 |
| 366 | Meteorology | 33 | 1.9K | 571 | 516 |
| 367 | Chemotherapy | 121 | 1.9K | 47 | 149 |
| 368 | Drug delivery systems | 34 | 1.8K | 260 | 234 |
| 369 | Health | 68 | 1.8K | 255 | 301 |
| 370 | Immunochemistry | 64 | 1.8K | 28 | 52 |
| 371 | Rheology | 115 | 1.8K | 13 | 50 |
| 372 | Muscles | 27 | 1.8K | 162 | 98 |
| 373 | free radicals | 56 | 1.8K | 142 | 289 |
| 374 | Plastics | 59 | 1.8K | 159 | 140 |
| 375 | Thermochemistry | 72 | 1.8K | 20 | 20 |
| 376 | Terahertz Technology | 18 | 1.8K | 12 | 2 |
| 377 | DNS | 55 | 1.8K | 5 | 8 |
| 378 | Radioisotopes | 145 | 1.8K | 11 | 29 |
| 379 | Energy Storage | 54 | 1.8K | 120 | 174 |
| 380 | calcification | 59 | 1.8K | 17 | 44 |
| 381 | DNA repair | 40 | 1.8K | 12 | 17 |
| 382 | mutation | 52 | 1.8K | 24 | 46 |
| 383 | Biomass Energy | 43 | 1.8K | 464 | 561 |
| 384 | Primates | 96 | 1.7K | 28 | 61 |
| 385 | Nuclear Chemistry | 121 | 1.7K | 26 | 40 |
| 386 | Aging | 104 | 1.7K | 304 | 480 |
| 387 | carcinogens | 52 | 1.7K | 70 | 121 |
| 388 | Educational Psychology | 61 | 1.7K | 214 | 284 |
| 389 | mutagens | 57 | 1.7K | 44 | 113 |
| 390 | Geriatric Psychiatry | 149 | 1.7K | 10 | 84 |
| 391 | Parasites | 66 | 1.7K | 110 | 158 |
| 392 | Renewable Energy Sources | 28 | 1.7K | 716 | 833 |
| 393 | Astrocytes | 25 | 1.6K | 58 | 69 |
| 394 | Orthopedic Surgery | 37 | 1.6K | 92 | 52 |
| 395 | optical instruments | 46 | 1.6K | 34 | 39 |
| 396 | Combustion | 58 | 1.6K | 177 | 200 |
| 397 | Environmental Policy | 38 | 1.6K | 735 | 806 |
| 398 | Europe | 88 | 1.6K | 384 | 455 |
| 399 | Surface properties | 56 | 1.6K | 48 | 109 |
| 399 | Cerebral cortex | 54 | 1.6K | 110 | 209 |
| 401 | Synchrotron Radiation | 90 | 1.6K | 6 | 12 |
| 402 | Environmental pollutants | 21 | 1.6K | 692 | 366 |
| 403 | Protein engineering | 50 | 1.6K | 1 | 18 |
| 404 | Leukemia | 44 | 1.6K | 164 | 250 |
| 405 | Antioxidants | 41 | 1.5K | 37 | 138 |
| 406 | Carcinogenesis | 46 | 1.5K | 91 | 132 |
| 407 | Catalysts | 34 | 1.5K | 59 | 43 |
| 408 | Dermatology | 48 | 1.5K | 313 | 291 |
| 409 | Control Theory | 87 | 1.5K | 182 | 267 |
| 410 | fuel cells | 55 | 1.5K | 145 | 313 |
| 411 | Mineralogy | 61 | 1.5K | 241 | 303 |
| 412 | Statistical Mechanics | 36 | 1.5K | 99 | 69 |
| 413 | Measurement | 18 | 1.5K | 418 | 99 |
| 414 | Atomic spectroscopy | 85 | 1.5K | 40 | 97 |
| 415 | Plasma chemistry | 32 | 1.5K | 35 | 16 |
| 416 | preventive medicine | 45 | 1.5K | 182 | 225 |
| 417 | Magnetic Resonance Spectroscopy | 127 | 1.5K | 51 | 163 |
| 418 | sanitation | 21 | 1.5K | 497 | 511 |
| 419 | Sleep | 55 | 1.5K | 224 | 259 |
| 420 | Nuclear Medicine | 92 | 1.4K | 68 | 154 |
| 420 | Sleep Disorders | 54 | 1.4K | 227 | 257 |
| 422 | Neuromuscular diseases | 22 | 1.4K | 141 | 77 |
| 423 | Quantum theory | 60 | 1.4K | 86 | 92 |
| 424 | tomography | 51 | 1.4K | 15 | 12 |
| 425 | Granular materials | 82 | 1.4K | 5 | 13 |
| 426 | Asia | 119 | 1.4K | 127 | 214 |
| 427 | cell interaction | 34 | 1.4K | 116 | 137 |
| 428 | visualization | 89 | 1.4K | 117 | 112 |
| 429 | Magnetohydrodynamics | 25 | 1.4K | 67 | 43 |
| 429 | Earth Sciences | 42 | 1.4K | 817 | 729 |
| 431 | Environmental Toxicology | 23 | 1.4K | 717 | 532 |
| 432 | Information Technology | 206 | 1.4K | 22 | 430 |
| 433 | Immunopharmacology | 28 | 1.4K | 180 | 99 |
| 434 | Operations Research | 63 | 1.4K | 360 | 496 |
| 434 | Combinatorial chemistry | 36 | 1.4K | 94 | 141 |
| 436 | molecular design | 49 | 1.4K | 4 | 20 |
| 437 | Vision | 51 | 1.4K | 98 | 147 |
| 438 | Clinical Pharmacology | 57 | 1.3K | 135 | 173 |
| 439 | Cerebellum | 9 | 1.3K | 100 | 27 |
| 439 | Cerebellar ataxia | 9 | 1.3K | 100 | 27 |
| 441 | plasticity | 18 | 1.3K | 91 | 82 |
| 442 | China | 71 | 1.3K | 355 | 403 |
| 443 | Autoimmunity | 36 | 1.3K | 101 | 162 |
| 444 | Animal welfare | 29 | 1.2K | 12 | 10 |
| 445 | Infections | 18 | 1.2K | 336 | 289 |
| 446 | Lipid metabolism | 16 | 1.2K | 74 | 49 |
| 446 | Lipid | 16 | 1.2K | 75 | 51 |
| 448 | Pharmacogenetics | 36 | 1.2K | 126 | 160 |
| 449 | Alternative Medicine | 49 | 1.2K | 121 | 153 |
| 450 | biopolymers | 68 | 1.2K | 124 | 228 |
| 451 | Fluid Dynamics | 66 | 1.2K | 110 | 179 |
| 452 | Plant Ecology | 19 | 1.2K | 650 | 505 |
| 453 | Plasma polymerization | 18 | 1.2K | 37 | 14 |
| 454 | Respiration | 40 | 1.2K | 299 | 340 |
| 455 | Zeolites | 39 | 1.2K | 93 | 144 |
| 456 | Chromatographic analysis | 56 | 1.2K | 213 | 211 |
| 457 | Quantum Optics | 68 | 1.2K | 35 | 89 |
| 458 | Laser Spectroscopy | 70 | 1.2K | 30 | 74 |
| 459 | Earthquake Engineering | 37 | 1.2K | 325 | 339 |
| 460 | Structural Engineering | 52 | 1.2K | 296 | 345 |
| 461 | Nanoelectronics | 127 | 1.2K | 10 | 41 |
| 462 | Sociology | 52 | 1.2K | 568 | 628 |
| 463 | Minerals | 49 | 1.2K | 27 | 55 |
| 464 | Health Policy | 38 | 1.2K | 479 | 431 |
| 465 | Molecular Spectroscopy | 36 | 1.2K | 339 | 245 |
| 466 | Sustainable Development | 38 | 1.1K | 253 | 431 |
| 466 | Pharmacognosy | 59 | 1.1K | 213 | 427 |
| 468 | Crystallization | 121 | 1.1K | 1 | 27 |
| 469 | Radiation Oncology | 29 | 1.1K | 30 | 24 |
| 470 | probabilities | 95 | 1.1K | 104 | 152 |
| 471 | Econometrics | 53 | 1.1K | 201 | 277 |
| 471 | Engineering Mathematics | 73 | 1.1K | 169 | 246 |
| 473 | environmental protection | 41 | 1.1K | 770 | 975 |
| 474 | Melanoma | 16 | 1.1K | 17 | 16 |
| 474 | Aerosols | 30 | 1.1K | 100 | 86 |
| 476 | nuclear magnetic resonance spectroscopy | 70 | 1.1K | 21 | 76 |
| 477 | primary prevention | 96 | 1.1K | 2 | 22 |
| 478 | Evolution | 52 | 1.1K | 345 | 585 |
| 479 | Heterocyclic compounds | 69 | 1.1K | 44 | 25 |
| 480 | Bone diseases | 11 | 1.1K | 149 | 126 |
| 480 | fertility | 44 | 1.1K | 160 | 266 |
| 482 | Biopharmaceutics | 29 | 1.1K | 175 | 198 |
| 483 | Chemical analysis | 83 | 1.1K | 24 | 141 |
| 484 | Neuropharmacology | 37 | 1.1K | 39 | 65 |
| 485 | Jurisprudence | 10 | 1.1K | 470 | 114 |
| 486 | management | 42 | 1.1K | 862 | 1128 |
| 487 | Inflammation | 28 | 1.1K | 194 | 247 |
| 488 | Planetary Science | 57 | 1.1K | 44 | 56 |
| 489 | amino acids | 30 | 1.1K | 23 | 43 |
| 490 | Electrophoresis | 45 | 1.1K | 221 | 280 |
| 491 | Database Management | 29 | 1.0K | 169 | 167 |
| 491 | Multimedia Systems | 38 | 1.0K | 292 | 239 |
| 493 | Nondestructive testing | 37 | 1.0K | 62 | 65 |
| 494 | Computational Chemistry | 47 | 1.0K | 18 | 148 |
| 495 | Microbial Biotechnology | 36 | 1.0K | 52 | 86 |
| 496 | Zoology | 65 | 1.0K | 395 | 534 |
| 497 | Animal Behavior | 61 | 1.0K | 346 | 599 |
| 498 | collagen | 16 | 1.0K | 43 | 54 |
| 499 | Yeast | 25 | 1.0K | 45 | 57 |
| 500 | Raman spectroscopy | 31 | 1.0K | 74 | 70 |
| 501 | Geometry | 92 | 1.0K | 62 | 80 |
| 502 | Atmospheric Physics | 32 | 1.0K | 404 | 462 |
| 503 | Lung Transplantation | 32 | 1.0K | 78 | 89 |
| 503 | Heart transplantation | 32 | 1.0K | 78 | 89 |
| 505 | Infertility | 39 | 1.0K | 160 | 264 |
| 506 | Microfabrication | 33 | 1.0K | 24 | 22 |
| 507 | Molecular Imaging | 39 | 999 | 96 | 158 |
| 508 | Human-Computer Interaction | 50 | 994 | 125 | 262 |
| 509 | Autonomous robots | 15 | 982 | 23 | 21 |
| 510 | Enteral nutrition | 27 | 980 | 139 | 218 |
| 511 | Mobile Computing | 54 | 971 | 110 | 204 |
| 511 | Radiography | 16 | 971 | 252 | 264 |
| 513 | Waste management | 45 | 968 | 143 | 170 |
| 514 | Telecommunication Systems | 65 | 967 | 107 | 187 |
| 515 | drugs | 52 | 964 | 291 | 430 |
| 516 | Environmental Microbiology | 17 | 951 | 445 | 443 |
| 516 | Nonlinear functional analysis | 51 | 951 | 82 | 105 |
| 518 | gene transfer | 30 | 948 | 6 | 13 |
| 518 | genetic transformation | 30 | 948 | 6 | 13 |
| 520 | Autoantibodies | 35 | 945 | 46 | 90 |
| 521 | Stochastic Processes | 47 | 934 | 44 | 61 |
| 522 | Andrology | 64 | 930 | 18 | 73 |
| 523 | Surface-Active Agents | 38 | 926 | 95 | 206 |
| 524 | pollutants | 17 | 924 | 643 | 496 |
| 525 | Plant Biotechnology | 57 | 923 | 40 | 126 |
| 526 | Thin Films | 102 | 916 | 4 | 29 |
| 527 | Anthropology | 38 | 913 | 344 | 275 |
| 528 | Differential Equations | 56 | 912 | 97 | 155 |
| 529 | Antigens | 38 | 909 | 100 | 146 |
| 530 | Extracellular matrix | 12 | 901 | 60 | 60 |
| 531 | Water quality management | 36 | 887 | 310 | 311 |
| 531 | Chromatography | 47 | 887 | 195 | 265 |
| 533 | Energy Harvesting | 11 | 877 | 172 | 201 |
| 534 | Soft Condensed Matter | 58 | 872 | 147 | 284 |
| 535 | vitamin C | 27 | 865 | 16 | 43 |
| 535 | vitamin E | 27 | 865 | 16 | 43 |
| 537 | cosmic rays | 65 | 864 | 15 | 37 |
| 538 | infrared radiation | 47 | 861 | 28 | 23 |
| 539 | Water Purification | 32 | 857 | 170 | 151 |
| 540 | Sports Medicine | 52 | 856 | 483 | 676 |
| 541 | Energy Policy | 18 | 845 | 1093 | 1082 |
| 542 | embryonic development | 24 | 834 | 42 | 57 |
| 543 | Multiphase Flow | 28 | 832 | 44 | 71 |
| 544 | Information Science | 82 | 826 | 212 | 740 |
| 544 | Autism | 21 | 826 | 164 | 190 |
| 546 | Neuropsychiatry | 27 | 814 | 154 | 183 |
| 547 | Biological Systems | 18 | 812 | 71 | 61 |
| 548 | Mechanics | 26 | 811 | 297 | 220 |
| 548 | synthesis | 59 | 811 | 40 | 53 |
| 550 | Mechatronics | 94 | 795 | 21 | 175 |
| 551 | Gastrointestinal diseases | 20 | 793 | 95 | 53 |
| 552 | Philosophy of Mind | 9 | 792 | 90 | 18 |
| 553 | biomedicine | 18 | 786 | 74 | 55 |
| 554 | Artificial Organs | 68 | 780 | 28 | 77 |
| 555 | Breeding | 25 | 777 | 317 | 306 |
| 556 | Toxins | 36 | 776 | 71 | 120 |
| 557 | Social Psychology | 46 | 774 | 471 | 756 |
| 557 | venom | 34 | 774 | 66 | 108 |
| 559 | Proteomics | 17 | 770 | 310 | 295 |
| 560 | Molecular Pharmacology | 18 | 769 | 207 | 236 |
| 560 | pigments | 44 | 769 | 78 | 139 |
| 562 | Cell communication | 13 | 767 | 131 | 108 |
| 563 | Structural dynamics | 27 | 763 | 249 | 355 |
| 564 | Ultrasonics | 36 | 756 | 186 | 333 |
| 564 | disease outbreaks | 20 | 756 | 106 | 123 |
| 564 | Epidemics | 20 | 756 | 103 | 123 |
| 567 | Antibodies | 27 | 749 | 89 | 117 |
| 568 | Kidney diseases | 24 | 747 | 185 | 209 |
| 569 | Combinatorial analysis | 59 | 743 | 97 | 115 |
| 570 | Semiconductor industry | 91 | 742 | 16 | 53 |
| 571 | Geodynamics | 23 | 740 | 278 | 333 |
| 572 | analysis | 10 | 738 | 172 | 99 |
| 573 | Cognitive neuroscience | 34 | 737 | 227 | 410 |
| 574 | Oxidation-reduction | 18 | 731 | 211 | 373 |
| 574 | aerosol | 20 | 731 | 76 | 68 |
| 576 | Business | 30 | 723 | 604 | 935 |
| 577 | Emergency Medicine | 46 | 721 | 216 | 258 |
| 578 | antibiotics | 27 | 719 | 15 | 21 |
| 579 | Laser-plasma interactions | 77 | 713 | 1 | 5 |
| 579 | Plasma density | 77 | 713 | 1 | 5 |
| 581 | Cognitive Science | 51 | 709 | 191 | 517 |
| 582 | Electron Microscopy | 72 | 706 | 6 | 25 |
| 583 | Retina | 6 | 697 | 81 | 128 |
| 583 | Human evolution | 19 | 697 | 111 | 131 |
| 585 | Oligosaccharides | 24 | 696 | 18 | 21 |
| 585 | Fuzzy systems | 19 | 696 | 462 | 196 |
| 587 | natural products | 28 | 690 | 423 | 421 |
| 587 | peptides | 41 | 690 | 42 | 71 |
| 589 | eye | 6 | 689 | 99 | 134 |
| 590 | Industrial Engineering | 40 | 673 | 337 | 530 |
| 591 | Nanochemistry | 43 | 672 | 84 | 175 |
| 592 | Electromagnetic compatibility | 14 | 669 | 116 | 48 |
| 593 | Geriatric Oncology | 7 | 664 | 283 | 117 |
| 594 | Radiochemistry | 101 | 662 | 38 | 115 |
| 594 | isomerism | 42 | 662 | 6 | 23 |
| 594 | Chirality | 42 | 662 | 6 | 23 |
| 597 | Radio waves | 24 | 657 | 266 | 318 |
| 598 | toxicity testing | 4 | 648 | 496 | 81 |
| 599 | moral development | 6 | 640 | 39 | 3 |
| 600 | Tribology | 59 | 638 | 118 | 303 |
| 601 | data collection | 10 | 634 | 451 | 341 |
| 602 | Solar System | 31 | 632 | 201 | 275 |
| 603 | Systems Engineering | 45 | 628 | 349 | 653 |
| 604 | plasma spraying | 15 | 625 | 43 | 37 |
| 605 | Developmental Disabilities | 17 | 620 | 340 | 381 |
| 606 | Education | 27 | 619 | 1150 | 993 |
| 606 | Cytoskeleton | 21 | 619 | 39 | 57 |
| 608 | Detectors | 33 | 617 | 277 | 389 |
| 609 | Informatics | 28 | 613 | 103 | 205 |
| 610 | Nephrology | 16 | 612 | 147 | 187 |
| 611 | Hydrodynamics | 21 | 608 | 145 | 180 |
| 612 | Palliative Care | 35 | 603 | 122 | 160 |
| 613 | reasoning | 11 | 602 | 100 | 41 |
| 614 | Economic Development | 43 | 601 | 241 | 608 |
| 615 | Urban Economics | 6 | 599 | 204 | 117 |
| 615 | urban population | 6 | 599 | 114 | 88 |
| 617 | Interactive multimedia | 17 | 584 | 151 | 161 |
| 618 | cell adhesion molecules | 4 | 583 | 113 | 43 |
| 619 | Political Science | 14 | 581 | 820 | 462 |
| 620 | multimedia | 16 | 579 | 147 | 160 |
| 621 | Structural optimization | 20 | 572 | 65 | 102 |
| 621 | Environmental Law | 10 | 572 | 504 | 569 |
| 623 | Hematopoietic stem cell transplantation | 17 | 566 | 67 | 111 |
| 623 | Hydraulic machinery | 24 | 566 | 4 | 1 |
| 625 | commerce | 30 | 563 | 266 | 539 |
| 626 | Smart Materials | 16 | 561 | 287 | 257 |
| 627 | Medical Anthropology | 17 | 558 | 416 | 512 |
| 628 | Machine Learning | 14 | 557 | 86 | 106 |
| 629 | Biometrics | 34 | 556 | 238 | 316 |
| 630 | Health Services Research | 8 | 555 | 860 | 457 |
| 631 | Computer-Aided Design | 24 | 554 | 284 | 330 |
| 631 | cell movement | 15 | 554 | 45 | 67 |
| 633 | Tropical Medicine | 25 | 551 | 450 | 458 |
| 634 | Nanophotonics | 15 | 550 | 68 | 79 |
| 635 | Ethology | 21 | 548 | 522 | 724 |
| 636 | Audiology | 23 | 543 | 195 | 220 |
| 636 | Numerical Analysis | 38 | 543 | 564 | 662 |
| 636 | Sound | 48 | 543 | 121 | 243 |
| 639 | Optical Communications | 43 | 542 | 75 | 136 |
| 639 | Quantum Communication | 10 | 542 | 56 | 50 |
| 639 | RNA | 13 | 542 | 178 | 188 |
| 642 | East Asia | 43 | 538 | 32 | 39 |
| 643 | coal | 34 | 537 | 334 | 742 |
| 644 | Ultrasound | 23 | 532 | 177 | 207 |
| 645 | complementary therapies | 11 | 530 | 682 | 395 |
| 646 | Medical Technology | 40 | 529 | 188 | 466 |
| 647 | Synaptic Transmission | 29 | 524 | 56 | 129 |
| 648 | vibration | 39 | 522 | 172 | 382 |
| 649 | infrared technology | 27 | 521 | 21 | 8 |
| 650 | Ergonomics | 22 | 520 | 270 | 267 |
| 651 | biofuels | 10 | 519 | 89 | 127 |
| 652 | Welfare Economics | 17 | 517 | 116 | 123 |
| 653 | Product Design | 49 | 516 | 67 | 101 |
| 654 | Mycology | 31 | 513 | 380 | 623 |
| 654 | finance | 47 | 513 | 477 | 838 |
| 656 | Nonprofit organizations | 10 | 511 | 114 | 61 |
| 656 | Liquid chromatography | 10 | 511 | 168 | 16 |
| 658 | Nonlinear systems | 11 | 508 | 244 | 129 |
| 659 | Food | 23 | 505 | 1062 | 1416 |
| 660 | Social Sciences | 48 | 501 | 665 | 987 |
| 660 | Civil Engineering | 22 | 501 | 431 | 253 |
| 660 | Oxidation | 17 | 501 | 25 | 25 |
| 663 | X-rays | 25 | 498 | 61 | 56 |
| 664 | Ventilation | 17 | 485 | 117 | 139 |
| 665 | Biomolecules | 21 | 482 | 50 | 167 |
| 665 | energy development | 5 | 482 | 568 | 376 |
| 667 | mammals | 22 | 480 | 251 | 302 |
| 668 | Decision making | 22 | 475 | 375 | 498 |
| 669 | Developmental Neurobiology | 15 | 473 | 117 | 110 |
| 669 | Catalyst | 2 | 473 | 30 | 20 |
| 671 | Information Systems | 30 | 470 | 219 | 416 |
| 672 | Drug design | 22 | 464 | 368 | 566 |
| 673 | liver | 19 | 463 | 37 | 44 |
| 674 | Plant breeding | 19 | 461 | 172 | 205 |
| 675 | Comparative Physiology | 22 | 457 | 211 | 325 |
| 676 | cardiac catheterization | 21 | 456 | 176 | 151 |
| 677 | Primary health care | 3 | 452 | 1533 | 505 |
| 678 | Optoelectronic devices | 34 | 450 | 91 | 121 |
| 679 | Superconductivity | 45 | 449 | 40 | 95 |
| 679 | environmental exposure | 16 | 449 | 680 | 828 |
| 679 | Developing countries | 25 | 449 | 617 | 829 |
| 682 | Food Microbiology | 15 | 448 | 423 | 631 |
| 683 | nucleotides | 44 | 447 | 16 | 17 |
| 684 | Freezing | 33 | 446 | 28 | 39 |
| 685 | Microbial Metabolism | 12 | 445 | 14 | 30 |
| 686 | Agriculture | 9 | 443 | 1130 | 800 |
| 687 | Gerontology | 67 | 438 | 276 | 615 |
| 688 | Information Retrieval | 9 | 432 | 183 | 171 |
| 689 | Electromagnetism | 43 | 424 | 134 | 344 |
| 690 | hospice care | 24 | 423 | 67 | 97 |
| 691 | air quality management | 8 | 420 | 206 | 146 |
| 691 | Calorimetry | 34 | 420 | 152 | 283 |
| 691 | Thermal analysis | 34 | 420 | 152 | 283 |
| 694 | Microorganisms | 17 | 419 | 294 | 562 |
| 695 | Evolutionary Genetics | 16 | 414 | 101 | 153 |
| 695 | Molecular Epidemiology | 16 | 414 | 101 | 153 |
| 697 | Water Microbiology | 7 | 409 | 174 | 92 |
| 698 | Neurosurgery | 20 | 405 | 283 | 412 |
| 699 | Synthetic biology | 14 | 400 | 86 | 98 |
| 700 | Environmental Psychology | 3 | 399 | 353 | 221 |
| 700 | Petrology | 22 | 399 | 372 | 519 |
| 702 | prostaglandins | 17 | 398 | 117 | 125 |
| 703 | Alzheimer's disease | 47 | 397 | 251 | 441 |
| 704 | Process Control | 13 | 395 | 359 | 591 |
| 704 | shipbuilding | 4 | 395 | 77 | 4 |
| 706 | Neuroanatomy | 10 | 394 | 46 | 54 |
| 707 | Game Theory | 28 | 393 | 92 | 173 |
| 707 | Microstructure | 44 | 393 | 38 | 131 |
| 709 | drug evaluation | 15 | 392 | 427 | 462 |
| 710 | soil microbiology | 14 | 391 | 607 | 924 |
| 711 | Marine Biology | 24 | 388 | 908 | 1231 |
| 712 | Adolescent Medicine | 5 | 384 | 350 | 400 |
| 712 | Cosmology | 15 | 384 | 215 | 269 |
| 714 | software | 36 | 381 | 87 | 472 |
| 715 | Biodegradation | 5 | 380 | 534 | 264 |
| 715 | Malaria | 15 | 380 | 203 | 234 |
| 715 | Fouling | 5 | 380 | 127 | 67 |
| 718 | movement | 4 | 378 | 267 | 104 |
| 719 | optical devices | 21 | 377 | 59 | 93 |
| 720 | indoor air pollution | 6 | 376 | 203 | 134 |
| 720 | Sick building syndrome | 6 | 376 | 203 | 134 |
| 722 | rehabilitation | 19 | 375 | 721 | 912 |
| 723 | Sarcopenia | 5 | 374 | 232 | 207 |
| 723 | Bacteria | 12 | 374 | 88 | 196 |
| 725 | Supramolecular chemistry | 28 | 373 | 11 | 12 |
| 726 | Adhesion | 24 | 372 | 60 | 150 |
| 726 | Production Management | 11 | 372 | 551 | 776 |
| 726 | adhesives | 24 | 372 | 68 | 151 |
| 729 | Databases | 18 | 371 | 112 | 161 |
| 730 | Intelligent Control Systems | 16 | 366 | 310 | 180 |
| 731 | epilepsy | 19 | 365 | 253 | 327 |
| 731 | behavioral medicine | 16 | 365 | 447 | 701 |
| 731 | Multivariate Analysis | 24 | 365 | 86 | 185 |
| 734 | Synapses | 23 | 364 | 35 | 101 |
| 735 | Morphology | 17 | 363 | 258 | 254 |
| 736 | industrial hygiene | 14 | 359 | 314 | 169 |
| 737 | sports injuries | 25 | 353 | 65 | 118 |
| 738 | Cell adhesion | 11 | 352 | 18 | 47 |
| 738 | Scanning electron microscopy | 7 | 352 | 31 | 16 |
| 740 | Pharmacokinetics | 18 | 351 | 187 | 369 |
| 741 | rare diseases | 16 | 350 | 174 | 242 |
| 742 | Antibacterial agents | 8 | 349 | 319 | 279 |
| 742 | Organ transplantation | 20 | 349 | 77 | 80 |
| 742 | Microwave devices | 6 | 349 | 326 | 161 |
| 745 | Ion Exchange | 20 | 348 | 14 | 23 |
| 745 | Solvent extraction | 20 | 348 | 14 | 23 |
| 747 | DNA | 23 | 347 | 60 | 155 |
| 748 | nuclear power | 36 | 346 | 76 | 94 |
| 749 | Extreme environments | 19 | 345 | 13 | 69 |
| 750 | Women's health | 17 | 340 | 361 | 429 |
| 751 | Food texture | 13 | 338 | 37 | 37 |
| 752 | Virtual reality | 14 | 332 | 74 | 130 |
| 753 | Music | 19 | 329 | 221 | 240 |
| 754 | Ethnology | 7 | 326 | 932 | 413 |
| 754 | Electrophysiology | 23 | 326 | 259 | 355 |
| 754 | Androgens | 13 | 326 | 56 | 107 |
| 757 | Respiratory Infections | 18 | 324 | 58 | 89 |
| 757 | Developmental Immunology | 9 | 324 | 264 | 280 |
| 757 | Plant diseases | 15 | 324 | 847 | 876 |
| 760 | international trade | 18 | 323 | 132 | 245 |
| 761 | Child psychology | 15 | 321 | 583 | 827 |
| 761 | world | 8 | 321 | 378 | 476 |
| 763 | Archaeology | 4 | 319 | 1098 | 514 |
| 764 | Industrial Policy | 10 | 318 | 199 | 203 |
| 764 | Ultrasonic Imaging | 17 | 318 | 114 | 179 |
| 766 | Geomorphology | 9 | 315 | 818 | 859 |
| 766 | Number Theory | 33 | 315 | 125 | 100 |
| 768 | human development | 22 | 314 | 205 | 447 |
| 769 | voice | 16 | 313 | 131 | 144 |
| 770 | Textile industry | 20 | 310 | 122 | 106 |
| 771 | Biodiversity | 10 | 309 | 1133 | 1126 |
| 772 | Government policy | 2 | 308 | 209 | 68 |
| 773 | Microcirculation | 8 | 307 | 222 | 186 |
| 774 | Linguistics | 20 | 306 | 465 | 520 |
| 774 | Plant tissue culture | 19 | 306 | 140 | 299 |
| 776 | Developmental Psychology | 15 | 304 | 395 | 570 |
| 776 | Trace elements | 3 | 304 | 248 | 112 |
| 776 | Plant cell culture | 13 | 304 | 174 | 294 |
| 779 | Molecular recognition | 18 | 302 | 10 | 42 |
| 779 | scientific societies | 21 | 302 | 146 | 289 |
| 781 | Mutagenesis | 17 | 301 | 54 | 100 |
| 782 | Transgenic plants | 8 | 300 | 174 | 197 |
| 783 | International Finance | 26 | 299 | 458 | 863 |
| 784 | Geotechnical Engineering | 8 | 298 | 247 | 214 |
| 785 | Fungi | 21 | 297 | 283 | 633 |
| 786 | Pancreatic diseases | 14 | 296 | 97 | 125 |
| 787 | health planning | 15 | 295 | 890 | 910 |
| 788 | language | 12 | 294 | 335 | 437 |
| 789 | Cell migration | 8 | 289 | 9 | 30 |
| 789 | diffusion | 36 | 289 | 12 | 4 |
| 791 | Oral Pathology | 7 | 287 | 23 | 33 |
| 791 | Communication | 19 | 287 | 736 | 1049 |
| 793 | micromechanics | 21 | 285 | 135 | 273 |
| 794 | Cultural Anthropology | 2 | 283 | 111 | 16 |
| 795 | Genetic translocation | 6 | 280 | 98 | 79 |
| 795 | plasmids | 6 | 280 | 98 | 79 |
| 797 | Mental Health | 17 | 276 | 537 | 696 |
| 797 | Psychometrics | 20 | 276 | 122 | 251 |
| 797 | Enzyme | 12 | 276 | 155 | 303 |
| 800 | Emergency Medical Services | 19 | 272 | 130 | 182 |
| 800 | Immunogenetics | 21 | 272 | 143 | 283 |
| 800 | risk factors | 8 | 272 | 340 | 330 |
| 800 | Speech Disorders | 13 | 272 | 450 | 530 |
| 800 | space environment | 6 | 272 | 118 | 72 |
| 805 | Solitons | 9 | 271 | 616 | 533 |
| 805 | Fractals | 9 | 271 | 617 | 536 |
| 805 | Chaos | 9 | 271 | 616 | 533 |
| 808 | Systems Analysis | 29 | 269 | 168 | 472 |
| 808 | Tissue Engineering | 9 | 269 | 116 | 152 |
| 808 | Powder Metallurgy | 69 | 269 | 4 | 14 |
| 808 | Quality of life | 13 | 269 | 542 | 816 |
| 812 | food handling | 6 | 267 | 560 | 528 |
| 813 | Demography | 10 | 266 | 283 | 336 |
| 813 | Boundary Value Problems | 6 | 266 | 519 | 314 |
| 813 | Histocompatibility Testing | 8 | 266 | 212 | 180 |
| 816 | city planning | 27 | 264 | 414 | 801 |
| 817 | Neurogenetics | 6 | 263 | 145 | 98 |
| 818 | Humanities | 19 | 262 | 469 | 474 |
| 819 | Sports | 23 | 261 | 707 | 967 |
| 819 | Pregnancy | 10 | 261 | 335 | 346 |
| 821 | brain mapping | 11 | 260 | 263 | 429 |
| 822 | Parallel Processing | 16 | 258 | 134 | 284 |
| 822 | heredity | 7 | 258 | 373 | 271 |
| 824 | Integrated Circuits | 45 | 254 | 67 | 143 |
| 825 | monoclonal antibodies | 24 | 253 | 7 | 62 |
| 825 | Cerebrospinal fluid | 11 | 253 | 21 | 55 |
| 827 | older people | 59 | 250 | 244 | 559 |
| 828 | Phylogeny | 3 | 249 | 853 | 608 |
| 829 | Acoustics | 31 | 248 | 38 | 128 |
| 829 | Psychosomatic Medicine | 11 | 248 | 323 | 470 |
| 831 | Macroeconomics | 17 | 246 | 47 | 121 |
| 832 | Microeconomics | 16 | 243 | 82 | 169 |
| 833 | radiative transfer | 21 | 242 | 165 | 260 |
| 833 | Chronic diseases | 7 | 242 | 372 | 431 |
| 835 | Metabolic syndrome | 8 | 241 | 78 | 64 |
| 836 | Genetic Toxicology | 15 | 240 | 66 | 265 |
| 837 | Oral Medicine | 18 | 237 | 183 | 240 |
| 837 | energy resources | 3 | 237 | 1306 | 1193 |
| 839 | Brachytherapy | 13 | 236 | 55 | 53 |
| 839 | Solutions | 12 | 236 | 104 | 110 |
| 839 | Cellulose | 10 | 236 | 230 | 346 |
| 842 | cell proliferation | 10 | 235 | 97 | 135 |
| 843 | transgenic organisms | 7 | 234 | 79 | 107 |
| 843 | transgenic animals | 7 | 234 | 72 | 104 |
| 843 | starch | 8 | 234 | 137 | 129 |
| 846 | Aerospace Engineering | 2 | 230 | 314 | 56 |
| 846 | identity recognition | 4 | 230 | 23 | 8 |
| 848 | vitamins | 4 | 228 | 82 | 62 |
| 849 | Hydrology | 10 | 227 | 1264 | 1386 |
| 849 | Herbal medicine | 8 | 227 | 328 | 473 |
| 851 | Optoelectronics | 15 | 226 | 134 | 103 |
| 851 | Immunotoxicology | 5 | 226 | 166 | 66 |
| 853 | Probability | 15 | 225 | 178 | 299 |
| 853 | Genetic disorders | 19 | 225 | 117 | 240 |
| 853 | Infrared spectroscopy | 5 | 225 | 170 | 103 |
| 853 | Speech | 12 | 225 | 402 | 550 |
| 857 | locomotion | 11 | 224 | 258 | 373 |
| 857 | microwave communication systems | 3 | 224 | 383 | 189 |
| 857 | posture | 11 | 224 | 258 | 373 |
| 857 | internet | 17 | 224 | 557 | 967 |
| 857 | gait | 11 | 224 | 258 | 373 |
| 857 | walking | 11 | 224 | 258 | 373 |
| 863 | Human-robot interaction | 4 | 222 | 41 | 18 |
| 863 | Insects | 20 | 222 | 437 | 721 |
| 865 | Entropy | 24 | 221 | 177 | 415 |
| 865 | biomimicry | 9 | 221 | 60 | 94 |
| 865 | Radio frequency | 11 | 221 | 197 | 232 |
| 868 | Antenna Arrays | 3 | 219 | 540 | 326 |
| 868 | Central Asia | 23 | 219 | 6 | 28 |
| 870 | traffic safety | 18 | 218 | 43 | 82 |
| 870 | Money | 5 | 218 | 210 | 202 |
| 872 | Electronic Packaging | 9 | 217 | 85 | 80 |
| 873 | Industrial Organization | 9 | 214 | 124 | 172 |
| 873 | Sonochemistry | 7 | 214 | 328 | 573 |
| 873 | Credit | 4 | 214 | 61 | 49 |
| 876 | Social Choice Theory | 16 | 213 | 46 | 73 |
| 876 | Environmental Geology | 5 | 213 | 1267 | 1052 |
| 878 | Protein folding | 4 | 212 | 57 | 39 |
| 878 | Population | 6 | 212 | 582 | 536 |
| 878 | Development | 12 | 212 | 291 | 561 |
| 881 | chromatin | 3 | 211 | 105 | 85 |
| 882 | Dentistry | 14 | 209 | 236 | 260 |
| 882 | Peroxisomes | 1 | 209 | 89 | 12 |
| 882 | India | 16 | 209 | 359 | 285 |
| 885 | Food Safety | 5 | 208 | 132 | 78 |
| 886 | Otolaryngology | 9 | 206 | 244 | 263 |
| 887 | Quality Control | 7 | 205 | 1057 | 1055 |
| 887 | occupational diseases | 7 | 205 | 437 | 488 |
| 887 | Hearing | 10 | 205 | 326 | 358 |
| 890 | Hydraulic Engineering | 11 | 202 | 404 | 502 |
| 891 | Flow cytometry | 8 | 201 | 148 | 192 |
| 892 | Intelligent Transportation Systems | 13 | 199 | 445 | 798 |
| 892 | Pharmacogenomics | 5 | 199 | 158 | 154 |
| 892 | Hydrometeorology | 2 | 199 | 238 | 186 |
| 892 | particle accelerators | 11 | 199 | 40 | 56 |
| 892 | particle beams | 11 | 199 | 38 | 54 |
| 892 | Entomology | 23 | 199 | 757 | 1115 |
| 898 | atmosphere | 7 | 197 | 431 | 493 |
| 899 | Building Materials | 4 | 196 | 1484 | 1444 |
| 900 | Paleoclimatology | 4 | 195 | 919 | 791 |
| 900 | Paleoecology | 4 | 195 | 885 | 729 |
| 900 | Paleogeography | 4 | 195 | 811 | 679 |
| 903 | Algorithms | 12 | 194 | 261 | 307 |
| 903 | Heat Exchangers | 7 | 194 | 833 | 987 |
| 903 | biocatalysis | 3 | 194 | 162 | 319 |
| 903 | Homogeneous catalysis | 3 | 194 | 162 | 319 |
| 903 | Heterogeneous catalysis | 3 | 194 | 162 | 319 |
| 903 | Bacterial diseases | 9 | 194 | 56 | 151 |
| 909 | children | 4 | 193 | 401 | 324 |
| 910 | Parkinson's disease | 5 | 192 | 151 | 145 |
| 911 | Research Design | 17 | 191 | 363 | 729 |
| 912 | Endocrine system | 23 | 190 | 149 | 114 |
| 913 | econometric models | 12 | 188 | 153 | 385 |
| 914 | Technological Innovations | 11 | 187 | 399 | 671 |
| 915 | Architectural Design | 29 | 185 | 43 | 161 |
| 915 | Space telescopes | 17 | 185 | 29 | 63 |
| 915 | Food additives | 13 | 185 | 408 | 901 |
| 918 | Rock Mechanics | 7 | 184 | 564 | 628 |
| 918 | Queuing Theory | 12 | 184 | 43 | 65 |
| 920 | Medical Ethics | 7 | 182 | 671 | 512 |
| 920 | Respiratory system | 9 | 182 | 257 | 367 |
| 920 | alcoholism | 14 | 182 | 568 | 897 |
| 923 | research and development | 4 | 181 | 254 | 249 |
| 924 | Infection control | 9 | 180 | 83 | 170 |
| 924 | supercritical fluids | 9 | 180 | 184 | 280 |
| 924 | ethanol | 12 | 180 | 158 | 256 |
| 927 | Nanobiotechnology | 6 | 179 | 217 | 406 |
| 927 | Insect biochemistry | 9 | 179 | 193 | 329 |
| 929 | Population Genetics | 5 | 178 | 864 | 916 |
| 929 | Invertebrates | 4 | 178 | 500 | 326 |
| 931 | Interferons | 8 | 177 | 98 | 145 |
| 932 | Metastasis | 4 | 176 | 100 | 211 |
| 932 | Vaccination | 7 | 176 | 90 | 141 |
| 934 | Paleontology | 13 | 175 | 601 | 745 |
| 934 | Elderly | 54 | 175 | 203 | 409 |
| 936 | Cross-Cultural Studies | 14 | 174 | 169 | 380 |
| 936 | Culture techniques | 6 | 174 | 169 | 151 |
| 938 | food contamination | 7 | 173 | 564 | 499 |
| 938 | Chemical structure | 6 | 173 | 267 | 148 |
| 938 | Economic Assistance | 7 | 173 | 384 | 589 |
| 941 | Sustainable agriculture | 2 | 172 | 894 | 455 |
| 941 | Drug delivery devices | 6 | 172 | 86 | 233 |
| 943 | X-ray spectroscopy | 4 | 171 | 147 | 60 |
| 943 | disease vectors | 5 | 171 | 698 | 659 |
| 945 | Nursing | 24 | 170 | 547 | 978 |
| 946 | Psycholinguistics | 9 | 169 | 529 | 712 |
| 947 | Nanomanufacturing | 13 | 168 | 20 | 16 |
| 948 | Chemical processes | 11 | 166 | 189 | 281 |
| 949 | Metrology | 9 | 165 | 14 | 10 |
| 950 | clay | 8 | 163 | 430 | 703 |
| 951 | Ethics | 5 | 162 | 694 | 452 |
| 952 | Public Policy | 10 | 161 | 864 | 1218 |
| 952 | Regional Planning | 19 | 161 | 529 | 974 |
| 954 | Cognitive Psychology | 6 | 160 | 266 | 220 |
| 954 | Neuroimaging | 4 | 160 | 218 | 147 |
| 956 | Expert Systems | 9 | 159 | 28 | 66 |
| 956 | Learning | 11 | 159 | 645 | 896 |
| 956 | Petroleum | 16 | 159 | 66 | 91 |
| 956 | carbon monoxide | 3 | 159 | 331 | 301 |
| 956 | Menopause | 4 | 159 | 221 | 151 |
| 961 | Quantum Chemistry | 11 | 158 | 19 | 90 |
| 961 | cross-cultural comparison | 13 | 158 | 131 | 263 |
| 963 | Small Business | 3 | 157 | 760 | 828 |
| 964 | Internet of Things | 9 | 156 | 594 | 916 |
| 964 | Computational Linguistics | 11 | 156 | 145 | 155 |
| 964 | Biofilms | 2 | 156 | 205 | 149 |
| 967 | Soil Science | 3 | 155 | 1773 | 1417 |
| 968 | Food Policy | 2 | 154 | 371 | 278 |
| 968 | agricultural policy | 2 | 154 | 284 | 242 |
| 968 | marketing | 8 | 154 | 1224 | 1483 |
| 968 | optical phenomena | 3 | 154 | 110 | 71 |
| 972 | Ecological Engineering | 2 | 153 | 797 | 611 |
| 973 | Philosophy | 7 | 152 | 1056 | 600 |
| 973 | Software Maintenance | 3 | 152 | 167 | 60 |
| 973 | Porous materials | 12 | 152 | 232 | 367 |
| 976 | Chronobiology | 11 | 151 | 133 | 275 |
| 976 | biological clocks | 11 | 151 | 133 | 275 |
| 976 | nuclear astrophysics | 8 | 151 | 269 | 369 |
| 976 | circadian rhythm | 11 | 151 | 133 | 275 |
| 980 | mental processes | 2 | 150 | 436 | 189 |
| 980 | NMR | 15 | 150 | 127 | 248 |
| 980 | mathematical concepts | 8 | 150 | 173 | 161 |
| 983 | Atmospheric Chemistry | 3 | 149 | 803 | 804 |
| 983 | Algae | 8 | 149 | 433 | 564 |
| 983 | biological rhythms | 9 | 149 | 149 | 271 |
| 986 | War and Society | 1 | 148 | 371 | 200 |
| 986 | warfare | 1 | 148 | 491 | 251 |
| 986 | peace | 1 | 148 | 782 | 362 |
| 986 | international cooperation | 1 | 148 | 1032 | 431 |
| 990 | Navier-Stokes equations | 6 | 147 | 59 | 34 |
| 990 | extraterrestrial environment | 21 | 147 | 108 | 313 |
| 990 | astronomical phenomena | 21 | 147 | 100 | 283 |
| 993 | Sustainable Design | 3 | 146 | 8 | 4 |
| 993 | Public Finance | 20 | 146 | 7 | 35 |
| 993 | Product life cycle | 3 | 146 | 278 | 255 |
| 993 | Fertilizers | 20 | 146 | 72 | 256 |
| 997 | Speech acoustics | 11 | 145 | 60 | 141 |
| 998 | Neonatology | 8 | 144 | 255 | 360 |
| 998 | electric vehicles | 3 | 144 | 304 | 238 |
| 1000 | Fuzzy Logic | 9 | 143 | 13 | 41 |