| 1 | Medicine | 1,438 | 76.2K | 210 | 210 |
| 2 | Physics | 1,260 | 71.7K | 343 | 387 |
| 3 | Nuclear Physics | 1,604 | 65.8K | 118 | 116 |
| 4 | Science | 788 | 57.0K | 385 | 402 |
| 5 | Biology | 748 | 52.6K | 383 | 423 |
| 6 | Astrophysics | 657 | 51.1K | 234 | 224 |
| 7 | Biochemistry | 1,518 | 45.8K | 241 | 335 |
| 8 | Molecular Biology | 1,175 | 45.5K | 191 | 314 |
| 9 | Chemistry | 1,108 | 42.1K | 372 | 482 |
| 10 | Astronomy | 503 | 41.7K | 239 | 199 |
| 11 | Endocrinology | 356 | 32.4K | 143 | 99 |
| 12 | Human genetics | 106 | 30.3K | 249 | 176 |
| 13 | Microbiology | 529 | 29.0K | 302 | 307 |
| 14 | Research | 732 | 28.3K | 308 | 307 |
| 15 | Cancer | 473 | 27.2K | 94 | 95 |
| 16 | Hematology | 720 | 26.7K | 60 | 90 |
| 17 | Natural history | 86 | 24.6K | 458 | 402 |
| 18 | Nutrition | 538 | 24.4K | 56 | 72 |
| 19 | Metabolism | 350 | 23.9K | 108 | 102 |
| 20 | Environmental Health | 301 | 23.3K | 251 | 163 |
| 21 | Neurology | 633 | 21.3K | 264 | 361 |
| 22 | Metabolic diseases | 301 | 20.2K | 89 | 98 |
| 23 | Pharmaceutical Chemistry | 530 | 20.1K | 47 | 74 |
| 24 | Biophysics | 704 | 19.9K | 171 | 238 |
| 25 | Surgery | 140 | 19.3K | 121 | 121 |
| 26 | Hypertension | 299 | 18.6K | 62 | 95 |
| 27 | Pharmacology | 486 | 18.3K | 257 | 219 |
| 28 | Geophysics | 512 | 18.0K | 167 | 195 |
| 29 | Epidemiology | 329 | 16.1K | 129 | 120 |
| 30 | Medical Microbiology | 259 | 15.0K | 59 | 60 |
| 31 | Polymers | 385 | 14.3K | 267 | 240 |
| 32 | Psychiatry | 386 | 13.9K | 192 | 260 |
| 33 | Pollution | 200 | 13.9K | 470 | 376 |
| 34 | Critical Care | 170 | 13.8K | 79 | 79 |
| 35 | Ecology | 249 | 13.6K | 545 | 544 |
| 36 | Critical Care Medicine | 158 | 13.5K | 91 | 84 |
| 37 | Analytical Chemistry | 467 | 13.5K | 112 | 175 |
| 38 | Cytology | 242 | 13.4K | 352 | 398 |
| 39 | Quantum Gravity | 424 | 13.4K | 143 | 223 |
| 40 | Diet | 195 | 13.3K | 83 | 71 |
| 41 | Environment | 180 | 13.3K | 445 | 439 |
| 42 | Toxicology | 236 | 12.9K | 286 | 168 |
| 43 | Cell Biology | 182 | 12.3K | 394 | 411 |
| 44 | Spectrum analysis | 190 | 12.2K | 445 | 422 |
| 45 | Immunology | 198 | 11.9K | 287 | 264 |
| 46 | Wireless Communication Systems | 183 | 11.8K | 137 | 67 |
| 47 | Pharmacy | 204 | 11.8K | 84 | 31 |
| 48 | Mental Disorders | 268 | 11.8K | 126 | 164 |
| 49 | Clinical Chemistry | 361 | 11.7K | 41 | 78 |
| 50 | Cardiovascular system | 174 | 11.7K | 115 | 155 |
| 51 | polymerization | 322 | 11.6K | 228 | 204 |
| 52 | Leukemia | 165 | 11.1K | 23 | 39 |
| 53 | infection | 204 | 11.1K | 25 | 14 |
| 54 | Telecommunication | 210 | 10.8K | 148 | 132 |
| 55 | Statistical physics | 346 | 10.4K | 226 | 233 |
| 56 | Cardiovascular diseases | 182 | 10.2K | 39 | 14 |
| 57 | Public Health | 261 | 10.1K | 345 | 335 |
| 58 | Infections | 163 | 10.0K | 13 | 11 |
| 59 | Parasitic Diseases | 144 | 9.9K | 58 | 23 |
| 60 | Liver diseases | 84 | 9.3K | 162 | 115 |
| 61 | Diabetes | 135 | 9.2K | 157 | 145 |
| 62 | Oncology | 200 | 9.1K | 84 | 205 |
| 63 | Meteorology | 257 | 9.0K | 117 | 175 |
| 64 | Autoimmunity | 121 | 8.9K | 8 | 7 |
| 65 | Environmental monitoring | 167 | 8.9K | 197 | 162 |
| 66 | Medical genetics | 141 | 8.9K | 272 | 268 |
| 67 | Solar Energy | 86 | 8.9K | 72 | 14 |
| 68 | Memory | 180 | 8.6K | 103 | 80 |
| 69 | Diabetes mellitus | 109 | 8.6K | 179 | 146 |
| 70 | Perception | 184 | 8.6K | 108 | 75 |
| 71 | Attention | 181 | 8.6K | 85 | 53 |
| 72 | Visual Perception | 177 | 8.5K | 83 | 50 |
| 73 | Immunity | 63 | 8.5K | 295 | 225 |
| 74 | drugs | 195 | 8.3K | 52 | 31 |
| 75 | Obstetrics | 340 | 8.2K | 77 | 118 |
| 76 | Pathology | 184 | 8.2K | 141 | 150 |
| 77 | Europe | 377 | 8.1K | 63 | 85 |
| 78 | Hemodynamics | 71 | 7.9K | 63 | 35 |
| 79 | Environmental Engineering | 88 | 7.8K | 444 | 277 |
| 80 | Dermatology | 248 | 7.7K | 65 | 74 |
| 81 | Genetics | 153 | 7.6K | 337 | 407 |
| 82 | arthritis | 92 | 7.5K | 113 | 77 |
| 83 | Signal Processing | 175 | 7.5K | 196 | 191 |
| 84 | environmental protection | 80 | 7.4K | 394 | 144 |
| 85 | Virology | 82 | 7.4K | 448 | 407 |
| 86 | Electrical Engineering | 120 | 7.4K | 363 | 76 |
| 87 | Obesity | 142 | 7.3K | 123 | 112 |
| 88 | Diagnostic microbiology | 87 | 7.3K | 72 | 71 |
| 89 | Climatology | 149 | 6.8K | 118 | 133 |
| 90 | Condensed Matter | 260 | 6.6K | 385 | 447 |
| 91 | Mathematics | 711 | 6.6K | 208 | 374 |
| 92 | Reproduction | 225 | 6.6K | 84 | 123 |
| 93 | Rheumatology | 76 | 6.5K | 104 | 59 |
| 94 | Physiology | 195 | 6.3K | 383 | 448 |
| 95 | Environmental Policy | 85 | 6.2K | 355 | 254 |
| 96 | Mental illness | 122 | 6.2K | 140 | 178 |
| 97 | nucleic acids | 17 | 6.2K | 660 | 235 |
| 98 | Solid State Physics | 279 | 6.1K | 402 | 480 |
| 99 | Environmental Toxicology | 68 | 6.1K | 232 | 104 |
| 100 | Biotechnology | 176 | 5.9K | 574 | 757 |
| 101 | Botany | 180 | 5.8K | 424 | 512 |
| 102 | Antibacterial agents | 150 | 5.8K | 1 | 4 |
| 103 | Atmospheric Physics | 145 | 5.8K | 138 | 171 |
| 104 | Autoimmune diseases | 84 | 5.7K | 7 | 6 |
| 105 | Autoantibodies | 82 | 5.7K | 7 | 6 |
| 106 | Pharmaceutical Technology | 124 | 5.6K | 26 | 21 |
| 107 | Biomedical Engineering | 176 | 5.6K | 442 | 469 |
| 108 | Nervous system | 148 | 5.6K | 176 | 241 |
| 109 | Psychology | 177 | 5.5K | 517 | 489 |
| 110 | computer networks | 190 | 5.4K | 86 | 113 |
| 111 | Psychosomatic Medicine | 22 | 5.4K | 190 | 36 |
| 112 | Infertility | 88 | 5.3K | 67 | 58 |
| 112 | fertility | 88 | 5.3K | 75 | 62 |
| 114 | Nonlinear Dynamics | 162 | 5.1K | 168 | 166 |
| 115 | risk factors | 87 | 5.0K | 21 | 10 |
| 116 | Neurophysiology | 111 | 5.0K | 397 | 422 |
| 117 | environmental pollution | 130 | 5.0K | 456 | 523 |
| 118 | Geodynamics | 103 | 5.0K | 32 | 40 |
| 119 | Organic Chemistry | 170 | 4.9K | 234 | 285 |
| 120 | Marine Biology | 128 | 4.9K | 234 | 222 |
| 121 | Environmental Law | 55 | 4.8K | 97 | 74 |
| 122 | Carcinogenesis | 51 | 4.8K | 80 | 22 |
| 123 | Psychoneuroimmunology | 7 | 4.8K | 341 | 23 |
| 123 | Neuroimmunology | 7 | 4.8K | 392 | 25 |
| 125 | Hormones | 119 | 4.7K | 42 | 52 |
| 126 | mycoses | 29 | 4.7K | 104 | 54 |
| 127 | Atmospheric Chemistry | 80 | 4.7K | 132 | 144 |
| 128 | Behavior | 113 | 4.7K | 370 | 440 |
| 129 | Medical Physics | 138 | 4.7K | 126 | 136 |
| 130 | Immunopathology | 112 | 4.6K | 63 | 56 |
| 131 | Immunotherapy | 68 | 4.6K | 204 | 194 |
| 132 | Pharmacokinetics | 87 | 4.5K | 14 | 9 |
| 133 | drug therapy | 142 | 4.5K | 179 | 189 |
| 134 | Clinical Immunology | 123 | 4.5K | 39 | 34 |
| 135 | Sports | 211 | 4.4K | 57 | 137 |
| 136 | Bioorganic chemistry | 142 | 4.4K | 176 | 256 |
| 137 | Genomics | 116 | 4.4K | 285 | 297 |
| 138 | Information Technology | 72 | 4.3K | 176 | 120 |
| 139 | Agricultural Chemistry | 75 | 4.3K | 275 | 182 |
| 140 | Host-parasite interactions | 13 | 4.2K | 485 | 175 |
| 141 | Child | 234 | 4.1K | 78 | 160 |
| 142 | Urology | 130 | 4.0K | 137 | 148 |
| 143 | Sleep Disorders | 71 | 4.0K | 173 | 109 |
| 144 | Sleep | 70 | 4.0K | 175 | 114 |
| 145 | free radicals | 65 | 3.9K | 117 | 127 |
| 146 | Renewable Energy Sources | 59 | 3.9K | 362 | 411 |
| 147 | Psychophysiology | 93 | 3.9K | 444 | 442 |
| 148 | Economics | 239 | 3.8K | 324 | 458 |
| 149 | Orthopedics | 124 | 3.8K | 93 | 95 |
| 150 | Health | 137 | 3.8K | 120 | 150 |
| 151 | Sports Medicine | 178 | 3.8K | 124 | 253 |
| 152 | Bacterial infections | 14 | 3.8K | 249 | 81 |
| 153 | Pediatrics | 132 | 3.7K | 201 | 300 |
| 154 | Mathematical Physics | 201 | 3.7K | 210 | 290 |
| 155 | Allergy | 83 | 3.7K | 103 | 213 |
| 156 | Artificial Intelligence | 87 | 3.7K | 522 | 430 |
| 157 | Geology | 187 | 3.6K | 292 | 442 |
| 158 | Radio | 107 | 3.5K | 132 | 193 |
| 159 | Neurochemistry | 89 | 3.5K | 334 | 336 |
| 160 | Optics | 166 | 3.5K | 530 | 504 |
| 161 | biological evolution | 39 | 3.5K | 493 | 383 |
| 162 | Food | 89 | 3.5K | 332 | 331 |
| 163 | environmental exposure | 41 | 3.4K | 276 | 88 |
| 164 | Pediatric Neurology | 35 | 3.4K | 192 | 164 |
| 165 | human behavior | 68 | 3.4K | 361 | 449 |
| 166 | Adolescent | 170 | 3.2K | 105 | 170 |
| 167 | Immune system | 31 | 3.2K | 189 | 221 |
| 168 | Pharmacognosy | 89 | 3.2K | 132 | 153 |
| 169 | Ophthalmology | 129 | 3.2K | 144 | 214 |
| 170 | Photonics | 109 | 3.2K | 198 | 303 |
| 170 | Learning | 24 | 3.2K | 396 | 161 |
| 172 | Alzheimer's disease | 72 | 3.1K | 195 | 120 |
| 173 | lasers | 144 | 3.1K | 136 | 138 |
| 174 | pain | 57 | 3.1K | 187 | 196 |
| 175 | Environmental carcinogens | 2 | 3.1K | 22 | 1 |
| 176 | Clinical Biochemistry | 111 | 3.1K | 28 | 54 |
| 177 | Medical Oncology | 88 | 3.0K | 179 | 214 |
| 178 | Quantum electronics | 145 | 3.0K | 85 | 102 |
| 179 | Earth Sciences | 141 | 3.0K | 267 | 454 |
| 180 | bioclimatology | 83 | 2.9K | 8 | 12 |
| 181 | Exercise | 107 | 2.9K | 42 | 58 |
| 182 | Molecular evolution | 49 | 2.9K | 207 | 203 |
| 183 | Dementia | 61 | 2.8K | 205 | 110 |
| 184 | Bioengineering | 62 | 2.8K | 817 | 857 |
| 185 | Fiber Optics | 94 | 2.8K | 68 | 67 |
| 186 | Intelligent Transportation Systems | 31 | 2.8K | 200 | 97 |
| 187 | Aging | 70 | 2.8K | 420 | 360 |
| 188 | Radiation | 84 | 2.8K | 167 | 110 |
| 189 | Biopharmaceutics | 58 | 2.8K | 61 | 60 |
| 190 | occupational diseases | 42 | 2.7K | 83 | 47 |
| 191 | Teaching | 17 | 2.7K | 651 | 140 |
| 192 | Therapeutics | 68 | 2.7K | 221 | 222 |
| 193 | Environmental Management | 36 | 2.6K | 708 | 454 |
| 194 | disease outbreaks | 53 | 2.6K | 24 | 33 |
| 194 | Epidemics | 53 | 2.6K | 23 | 32 |
| 196 | Catalysis | 77 | 2.6K | 844 | 930 |
| 197 | sanitation | 17 | 2.6K | 582 | 381 |
| 198 | natural products | 113 | 2.6K | 64 | 126 |
| 199 | Mycology | 73 | 2.6K | 164 | 175 |
| 200 | Communication | 28 | 2.6K | 572 | 256 |
| 201 | Water pollution | 53 | 2.6K | 514 | 491 |
| 202 | Chemotherapy | 70 | 2.5K | 135 | 106 |
| 203 | Solar System | 130 | 2.5K | 50 | 103 |
| 204 | Statistics | 202 | 2.5K | 147 | 337 |
| 205 | Neuropsychology | 96 | 2.5K | 261 | 340 |
| 206 | Electrochemistry | 101 | 2.5K | 722 | 660 |
| 207 | diseases | 8 | 2.5K | 129 | 156 |
| 207 | Disease | 8 | 2.5K | 125 | 154 |
| 209 | International Finance | 64 | 2.5K | 155 | 112 |
| 210 | Environmental pollutants | 23 | 2.5K | 654 | 221 |
| 211 | Oxidative stress | 37 | 2.4K | 49 | 63 |
| 212 | drug development | 10 | 2.4K | 414 | 154 |
| 213 | Digestive system diseases | 77 | 2.4K | 66 | 50 |
| 214 | natural disasters | 80 | 2.4K | 33 | 55 |
| 215 | Medical innovations | 7 | 2.4K | 515 | 184 |
| 216 | Sun | 110 | 2.4K | 18 | 43 |
| 217 | Geochemistry | 109 | 2.3K | 270 | 436 |
| 218 | Planets | 86 | 2.3K | 253 | 358 |
| 219 | Drug design | 112 | 2.3K | 21 | 106 |
| 220 | Brain | 80 | 2.3K | 465 | 551 |
| 221 | pollutants | 17 | 2.3K | 651 | 209 |
| 222 | gene therapy | 50 | 2.2K | 117 | 134 |
| 223 | Physical fitness | 72 | 2.2K | 43 | 98 |
| 224 | Psychopharmacology | 63 | 2.2K | 205 | 294 |
| 225 | Vaccines | 93 | 2.2K | 144 | 205 |
| 226 | Oxidation-reduction | 34 | 2.2K | 97 | 136 |
| 227 | Energy Policy | 28 | 2.2K | 786 | 534 |
| 228 | Oceanography | 70 | 2.1K | 281 | 333 |
| 229 | Respiration | 83 | 2.1K | 146 | 219 |
| 230 | Electronics | 90 | 2.1K | 530 | 532 |
| 231 | biological factors | 139 | 2.1K | 24 | 206 |
| 232 | Automation | 67 | 2.1K | 338 | 457 |
| 233 | Bioinorganic chemistry | 69 | 2.1K | 136 | 129 |
| 234 | Chromatographic analysis | 105 | 2.1K | 82 | 97 |
| 235 | food technology | 63 | 2.0K | 380 | 394 |
| 236 | Education | 81 | 2.0K | 559 | 504 |
| 237 | finance | 54 | 2.0K | 435 | 362 |
| 238 | Embryology | 41 | 2.0K | 352 | 334 |
| 238 | Neurobiology | 58 | 2.0K | 295 | 434 |
| 240 | atmosphere | 58 | 2.0K | 39 | 40 |
| 241 | Molecular structure | 56 | 2.0K | 339 | 342 |
| 242 | Marine Pollution | 40 | 2.0K | 153 | 140 |
| 243 | United States | 77 | 2.0K | 831 | 834 |
| 244 | proteins | 67 | 2.0K | 247 | 308 |
| 245 | Chemical Engineering | 45 | 2.0K | 1,348 | 1,252 |
| 246 | Radio waves | 90 | 1.9K | 90 | 152 |
| 247 | Molecular Genetics | 52 | 1.9K | 308 | 393 |
| 248 | Geriatrics | 66 | 1.9K | 460 | 445 |
| 249 | Evolution | 58 | 1.9K | 326 | 463 |
| 250 | Mineralogy | 60 | 1.9K | 246 | 267 |
| 251 | Heart Failure | 36 | 1.9K | 69 | 74 |
| 252 | Nanotechnology | 59 | 1.9K | 1,190 | 1,316 |
| 253 | Computational Biology | 52 | 1.8K | 424 | 476 |
| 254 | Child Development | 71 | 1.8K | 279 | 368 |
| 255 | carcinogens | 38 | 1.8K | 112 | 113 |
| 256 | alcoholism | 38 | 1.8K | 312 | 248 |
| 257 | Cell differentiation | 29 | 1.8K | 427 | 439 |
| 258 | preventive medicine | 24 | 1.8K | 317 | 206 |
| 259 | Anatomy | 80 | 1.7K | 241 | 373 |
| 260 | Materials | 66 | 1.7K | 1,493 | 1,563 |
| 261 | Stem cells | 34 | 1.7K | 313 | 283 |
| 262 | Environmental Geology | 28 | 1.7K | 328 | 164 |
| 263 | Child psychology | 46 | 1.7K | 308 | 352 |
| 264 | Bacteriology | 51 | 1.7K | 354 | 468 |
| 265 | energy conservation | 23 | 1.7K | 572 | 470 |
| 266 | Database Management | 72 | 1.7K | 67 | 120 |
| 267 | drug addiction | 28 | 1.7K | 285 | 204 |
| 268 | Wireless Communication | 14 | 1.7K | 73 | 1 |
| 269 | Ore deposits | 46 | 1.7K | 61 | 57 |
| 270 | Colloids | 62 | 1.7K | 865 | 1,031 |
| 271 | Sound | 29 | 1.7K | 215 | 106 |
| 272 | Endocrine glands | 17 | 1.6K | 37 | 38 |
| 273 | Neurosurgery | 48 | 1.6K | 103 | 140 |
| 274 | management | 47 | 1.6K | 800 | 912 |
| 275 | Image Processing | 47 | 1.6K | 430 | 464 |
| 276 | Drug delivery systems | 46 | 1.6K | 175 | 275 |
| 277 | Lipids | 48 | 1.6K | 157 | 232 |
| 278 | mathematical analysis | 136 | 1.6K | 178 | 278 |
| 279 | rehabilitation | 46 | 1.6K | 373 | 363 |
| 280 | Quality of life | 47 | 1.6K | 153 | 215 |
| 281 | Community Psychiatry | 48 | 1.6K | 119 | 143 |
| 282 | Tropical Medicine | 91 | 1.6K | 91 | 166 |
| 283 | Green Chemistry | 24 | 1.5K | 570 | 472 |
| 284 | Petrology | 56 | 1.5K | 190 | 261 |
| 284 | Liposomes | 26 | 1.5K | 62 | 76 |
| 286 | Bioinformatics | 46 | 1.5K | 370 | 452 |
| 287 | Lymphoma | 73 | 1.5K | 5 | 3 |
| 288 | Steroids | 31 | 1.5K | 180 | 100 |
| 289 | Health Policy | 53 | 1.5K | 371 | 375 |
| 290 | Biochemical Engineering | 28 | 1.5K | 1,080 | 1,146 |
| 291 | biomedicine | 9 | 1.5K | 166 | 19 |
| 292 | Educational Psychology | 44 | 1.5K | 295 | 316 |
| 293 | Chromatography | 67 | 1.5K | 117 | 127 |
| 294 | Parenteral nutrition | 41 | 1.5K | 139 | 212 |
| 295 | Developmental Biology | 35 | 1.5K | 473 | 544 |
| 296 | energy resources | 15 | 1.4K | 508 | 383 |
| 297 | Medical Laboratory Science | 32 | 1.4K | 475 | 497 |
| 298 | Proteome | 32 | 1.4K | 208 | 234 |
| 299 | Engineering | 61 | 1.4K | 784 | 710 |
| 300 | Genetic engineering | 44 | 1.4K | 351 | 480 |
| 301 | Nursing | 40 | 1.4K | 354 | 182 |
| 302 | Information Theory | 37 | 1.4K | 280 | 244 |
| 303 | Orthopedic Surgery | 43 | 1.4K | 88 | 71 |
| 304 | drug evaluation | 63 | 1.4K | 53 | 100 |
| 305 | Electrochemical Analysis | 53 | 1.4K | 202 | 226 |
| 306 | Electrophoresis | 54 | 1.4K | 174 | 212 |
| 307 | Multiple Myeloma | 69 | 1.4K | 5 | 4 |
| 307 | Taste | 43 | 1.4K | 11 | 14 |
| 307 | smell | 43 | 1.4K | 11 | 14 |
| 310 | Enteral nutrition | 36 | 1.4K | 91 | 167 |
| 311 | Schizophrenia | 36 | 1.3K | 204 | 234 |
| 312 | emergency management | 46 | 1.3K | 19 | 41 |
| 313 | Educational Technology | 44 | 1.3K | 177 | 188 |
| 314 | Food Microbiology | 32 | 1.3K | 219 | 259 |
| 315 | Surface Chemistry | 53 | 1.3K | 964 | 1,130 |
| 316 | cytokines | 29 | 1.3K | 202 | 171 |
| 317 | flavor | 42 | 1.3K | 7 | 9 |
| 318 | genome | 24 | 1.3K | 405 | 476 |
| 319 | Biomass Energy | 23 | 1.3K | 788 | 734 |
| 320 | Pharmacogenetics | 43 | 1.3K | 100 | 165 |
| 321 | Biodiversity | 42 | 1.3K | 418 | 504 |
| 322 | Phylogeny | 25 | 1.3K | 178 | 163 |
| 323 | mutagens | 31 | 1.2K | 116 | 175 |
| 324 | Operations Research | 51 | 1.2K | 446 | 543 |
| 325 | Health Education | 44 | 1.2K | 359 | 323 |
| 326 | Paleoclimatology | 41 | 1.2K | 199 | 266 |
| 327 | Business | 32 | 1.2K | 590 | 730 |
| 328 | Membranes | 38 | 1.2K | 410 | 536 |
| 329 | Biocompatible Materials | 39 | 1.2K | 1,079 | 1,304 |
| 330 | histological techniques | 14 | 1.2K | 242 | 131 |
| 331 | Plant Ecology | 53 | 1.2K | 298 | 527 |
| 332 | Psychiatric Epidemiology | 24 | 1.2K | 77 | 69 |
| 333 | Microwaves | 71 | 1.2K | 204 | 231 |
| 334 | Cognition | 27 | 1.2K | 541 | 479 |
| 335 | Inflammation | 33 | 1.2K | 155 | 229 |
| 335 | health planning | 47 | 1.2K | 321 | 285 |
| 337 | Telecommunication Systems | 67 | 1.2K | 105 | 145 |
| 338 | medical education | 51 | 1.2K | 291 | 309 |
| 339 | Animal Behavior | 27 | 1.2K | 589 | 582 |
| 339 | Molecular cloning | 43 | 1.2K | 164 | 217 |
| 341 | Evolutionary Genetics | 23 | 1.2K | 57 | 27 |
| 341 | Molecular Epidemiology | 23 | 1.2K | 57 | 27 |
| 343 | Geriatric Oncology | 46 | 1.1K | 33 | 61 |
| 343 | gene mapping | 41 | 1.1K | 350 | 523 |
| 345 | Public Policy | 27 | 1.1K | 429 | 339 |
| 346 | Social Sciences | 51 | 1.1K | 625 | 596 |
| 347 | blood transfusion | 24 | 1.1K | 157 | 83 |
| 348 | Clinical Pharmacology | 43 | 1.1K | 193 | 216 |
| 349 | Geriatric Psychiatry | 29 | 1.1K | 166 | 133 |
| 350 | Geography | 31 | 1.1K | 560 | 486 |
| 350 | Mental Health | 50 | 1.1K | 231 | 253 |
| 352 | Computer Science | 33 | 1.1K | 380 | 199 |
| 353 | Thrombosis | 45 | 1.1K | 181 | 275 |
| 354 | cell interaction | 14 | 1.1K | 370 | 198 |
| 355 | Biogeography | 25 | 1.1K | 268 | 324 |
| 356 | Seismology | 30 | 1.1K | 93 | 78 |
| 357 | Optical Communications | 25 | 1.1K | 154 | 74 |
| 358 | Fungi | 32 | 1.1K | 206 | 272 |
| 359 | Dynamics | 29 | 1.1K | 371 | 154 |
| 360 | Water | 34 | 1.1K | 657 | 880 |
| 361 | Paleoecology | 36 | 1.1K | 213 | 254 |
| 362 | drug resistance | 32 | 1.0K | 47 | 73 |
| 363 | vascular diseases | 25 | 1.0K | 187 | 244 |
| 364 | Quantum theory | 26 | 1.0K | 270 | 161 |
| 365 | rare diseases | 21 | 1.0K | 135 | 94 |
| 365 | plant oils | 74 | 1.0K | 8 | 10 |
| 367 | Ultrasonics | 11 | 1.0K | 551 | 249 |
| 368 | Genetic recombination | 40 | 1.0K | 175 | 250 |
| 368 | Recombinant DNA | 40 | 1.0K | 205 | 283 |
| 370 | Bone diseases | 20 | 1.0K | 82 | 140 |
| 371 | Ethology | 15 | 1.0K | 641 | 541 |
| 372 | Light | 5 | 998 | 691 | 420 |
| 373 | Mass Spectrometry | 26 | 995 | 304 | 239 |
| 374 | Plant physiology | 41 | 986 | 486 | 744 |
| 375 | Medicinal plants | 24 | 982 | 298 | 339 |
| 376 | Developmental Psychology | 28 | 976 | 262 | 321 |
| 376 | adolescence | 26 | 976 | 220 | 244 |
| 378 | Occupational Health | 19 | 973 | 265 | 151 |
| 379 | Energy Consumption | 9 | 966 | 153 | 77 |
| 380 | Cytogenetics | 20 | 964 | 416 | 448 |
| 380 | Solid State Chemistry | 81 | 964 | 347 | 606 |
| 382 | Technology | 38 | 961 | 992 | 969 |
| 383 | Oral Medicine | 20 | 960 | 166 | 33 |
| 384 | Materials Science | 29 | 959 | 1,567 | 1,511 |
| 385 | Bones | 19 | 958 | 214 | 219 |
| 386 | Oncogenes | 13 | 957 | 466 | 454 |
| 387 | Signal Transduction | 17 | 952 | 509 | 479 |
| 388 | Physical organic chemistry | 18 | 949 | 538 | 238 |
| 389 | Paleogeography | 29 | 945 | 217 | 253 |
| 389 | Genetic algorithms | 4 | 945 | 252 | 120 |
| 389 | Evolutionary Computation | 4 | 945 | 376 | 143 |
| 392 | Information Science | 39 | 927 | 495 | 693 |
| 393 | Gastrointestinal diseases | 40 | 923 | 31 | 41 |
| 394 | preimplantation genetic diagnosis | 32 | 918 | 38 | 27 |
| 394 | embryo transfer | 32 | 918 | 40 | 29 |
| 396 | Robotics | 22 | 917 | 556 | 411 |
| 397 | Radiobiology | 34 | 913 | 279 | 335 |
| 398 | calcification | 23 | 895 | 93 | 110 |
| 399 | Kinetics | 27 | 890 | 33 | 26 |
| 400 | Insects | 18 | 889 | 492 | 285 |
| 401 | Chromosomes | 30 | 878 | 144 | 218 |
| 402 | Psycholinguistics | 21 | 876 | 291 | 290 |
| 403 | Screening | 30 | 870 | 5 | 6 |
| 404 | Economic History | 82 | 866 | 411 | 734 |
| 404 | Insect biochemistry | 16 | 866 | 121 | 87 |
| 406 | Spine | 14 | 858 | 254 | 194 |
| 407 | Ultrasound | 5 | 855 | 524 | 140 |
| 408 | Asthma | 35 | 854 | 49 | 70 |
| 409 | Virulence | 15 | 853 | 420 | 489 |
| 410 | Molecular Microbiology | 21 | 847 | 272 | 385 |
| 411 | Money | 12 | 846 | 45 | 25 |
| 412 | behavioral medicine | 28 | 843 | 300 | 430 |
| 413 | Parasitology | 22 | 842 | 797 | 551 |
| 414 | Electrophysiology | 51 | 841 | 116 | 171 |
| 414 | Menopause | 26 | 841 | 38 | 38 |
| 416 | hazard mitigation | 27 | 828 | 99 | 139 |
| 417 | Engineering Geology | 26 | 826 | 378 | 396 |
| 418 | Cardiovascular Pharmacology | 25 | 823 | 16 | 11 |
| 419 | Wildlife conservation | 9 | 820 | 601 | 410 |
| 420 | Linguistics | 29 | 815 | 345 | 283 |
| 421 | Fisheries | 21 | 812 | 512 | 420 |
| 422 | Radiology | 41 | 811 | 219 | 216 |
| 423 | Aquaculture | 23 | 808 | 438 | 382 |
| 424 | personality | 19 | 805 | 561 | 578 |
| 425 | United Kingdom | 44 | 794 | 272 | 484 |
| 426 | atmospheric models | 20 | 792 | 204 | 235 |
| 426 | Cell death | 10 | 792 | 579 | 505 |
| 428 | Agriculture | 31 | 791 | 482 | 561 |
| 429 | School Psychology | 15 | 789 | 155 | 118 |
| 429 | Climate | 29 | 789 | 48 | 111 |
| 431 | Developing countries | 25 | 784 | 621 | 577 |
| 432 | econometric models | 10 | 781 | 195 | 65 |
| 433 | Soil Science | 24 | 775 | 548 | 603 |
| 433 | biochemical markers | 47 | 775 | 16 | 36 |
| 435 | Databases | 29 | 768 | 78 | 99 |
| 436 | pharmaceutical industry | 17 | 764 | 97 | 40 |
| 437 | Dietetics | 29 | 751 | 130 | 144 |
| 438 | Ferroelectricity | 7 | 745 | 668 | 144 |
| 439 | Hemostasis | 32 | 744 | 108 | 128 |
| 440 | Biodiversity conservation | 13 | 732 | 708 | 801 |
| 441 | Physical Chemistry | 42 | 731 | 531 | 790 |
| 441 | Antioxidants | 15 | 731 | 227 | 303 |
| 443 | Reproductive health | 26 | 729 | 134 | 148 |
| 444 | Chromosome mapping | 28 | 720 | 434 | 596 |
| 445 | Radiation Protection | 49 | 717 | 21 | 24 |
| 445 | radiation monitoring | 49 | 717 | 18 | 21 |
| 447 | Diagnostic Imaging | 36 | 712 | 383 | 530 |
| 448 | Social Psychology | 27 | 709 | 666 | 801 |
| 449 | Radio frequency | 3 | 708 | 436 | 105 |
| 450 | Antiviral agents | 7 | 701 | 142 | 39 |
| 451 | Histology | 25 | 700 | 552 | 627 |
| 452 | Chemical analysis | 18 | 698 | 312 | 260 |
| 453 | software | 25 | 697 | 163 | 268 |
| 454 | Adolescent Psychology | 22 | 696 | 207 | 267 |
| 454 | nanoscience | 17 | 696 | 1,235 | 1,223 |
| 456 | actuators | 24 | 689 | 709 | 829 |
| 456 | transducers | 24 | 689 | 709 | 829 |
| 458 | Nutrition physiology | 13 | 687 | 255 | 205 |
| 459 | Microbial Ecology | 25 | 681 | 685 | 1,026 |
| 459 | System analysis | 52 | 681 | 381 | 694 |
| 461 | Primary health care | 28 | 679 | 397 | 408 |
| 462 | Paleontology | 47 | 678 | 251 | 348 |
| 463 | Numerical Analysis | 50 | 675 | 427 | 576 |
| 464 | probabilities | 68 | 673 | 170 | 255 |
| 465 | Phytotherapy | 24 | 670 | 51 | 82 |
| 466 | Cybernetics | 20 | 666 | 515 | 565 |
| 467 | Sociology | 25 | 663 | 910 | 888 |
| 468 | weather | 20 | 661 | 78 | 92 |
| 469 | psychotherapy | 33 | 656 | 327 | 445 |
| 470 | Earthquakes | 21 | 654 | 82 | 63 |
| 471 | Computer Graphics | 33 | 653 | 401 | 523 |
| 472 | Physical Therapy | 13 | 648 | 538 | 437 |
| 473 | Developmental Disabilities | 19 | 646 | 319 | 375 |
| 473 | Molecules | 31 | 646 | 436 | 462 |
| 475 | Muscles | 41 | 644 | 96 | 286 |
| 476 | Mental Health Services | 35 | 643 | 231 | 299 |
| 477 | Immunogenetics | 15 | 641 | 196 | 142 |
| 478 | Cell communication | 10 | 635 | 207 | 156 |
| 479 | Functional foods | 21 | 634 | 34 | 43 |
| 480 | Microscopy | 21 | 632 | 363 | 298 |
| 481 | Substance Abuse | 29 | 630 | 368 | 422 |
| 482 | Geomorphology | 22 | 627 | 453 | 573 |
| 483 | Dentistry | 28 | 626 | 150 | 131 |
| 484 | Organometallic chemistry | 34 | 623 | 474 | 493 |
| 485 | cell adhesion molecules | 8 | 618 | 35 | 41 |
| 486 | Human-Computer Interaction | 22 | 617 | 371 | 440 |
| 487 | Sedimentary rocks | 19 | 615 | 124 | 164 |
| 488 | Hematopoietic stem cell transplantation | 8 | 614 | 178 | 103 |
| 488 | Gerontology | 21 | 614 | 610 | 494 |
| 490 | epilepsy | 35 | 613 | 133 | 223 |
| 491 | Genetic regulation | 10 | 611 | 492 | 441 |
| 492 | Econometrics | 33 | 608 | 327 | 423 |
| 492 | Nuclear Fusion | 19 | 608 | 185 | 154 |
| 492 | Post-traumatic stress disorder | 9 | 608 | 375 | 261 |
| 495 | Proteomics | 18 | 606 | 302 | 370 |
| 496 | General Surgery | 32 | 604 | 146 | 130 |
| 496 | Genetic therapy | 23 | 604 | 274 | 388 |
| 498 | Medical Ethics | 29 | 603 | 248 | 190 |
| 499 | Fluid Mechanics | 13 | 597 | 704 | 475 |
| 500 | Neuropharmacology | 23 | 594 | 104 | 160 |
| 501 | Informatics | 20 | 593 | 181 | 234 |
| 502 | ecosystem | 15 | 592 | 524 | 571 |
| 503 | Medical Technology | 29 | 591 | 288 | 428 |
| 504 | hygiene | 9 | 588 | 184 | 68 |
| 505 | Entropy | 34 | 587 | 99 | 128 |
| 506 | Genetic Toxicology | 12 | 585 | 92 | 108 |
| 507 | Emergency Medicine | 60 | 583 | 169 | 299 |
| 508 | cloning | 7 | 579 | 350 | 301 |
| 509 | Semantic web | 15 | 577 | 11 | 24 |
| 510 | Pediatric Dermatology | 18 | 574 | 87 | 52 |
| 511 | Ocean Engineering | 19 | 573 | 658 | 638 |
| 512 | Artificial Organs | 31 | 571 | 104 | 115 |
| 513 | Computer Vision | 13 | 569 | 469 | 484 |
| 514 | Acoustics | 18 | 567 | 87 | 67 |
| 515 | Cellular senescence | 9 | 565 | 59 | 138 |
| 515 | Radiation dosimetry | 45 | 565 | 14 | 16 |
| 517 | Speech acoustics | 17 | 564 | 35 | 62 |
| 518 | Neuromuscular diseases | 37 | 561 | 80 | 180 |
| 519 | Photochemistry | 18 | 551 | 583 | 574 |
| 520 | Kidney diseases | 13 | 549 | 337 | 268 |
| 521 | Production Management | 8 | 543 | 687 | 641 |
| 522 | Nuclear Engineering | 43 | 537 | 311 | 337 |
| 522 | plant communities | 10 | 537 | 571 | 554 |
| 524 | Biometrics | 43 | 536 | 197 | 327 |
| 524 | Plant cells | 5 | 536 | 766 | 732 |
| 526 | Herbal medicine | 15 | 535 | 187 | 210 |
| 527 | Pharmacogenomics | 11 | 531 | 58 | 55 |
| 528 | Power Electronics | 5 | 530 | 818 | 503 |
| 528 | Parallel Processing | 17 | 530 | 130 | 180 |
| 530 | Human biology | 20 | 526 | 137 | 120 |
| 531 | Biosensors | 12 | 525 | 591 | 719 |
| 531 | Bioelectronics | 12 | 525 | 467 | 628 |
| 533 | concrete | 7 | 522 | 598 | 500 |
| 533 | coal | 7 | 522 | 1,073 | 758 |
| 535 | Laser therapy | 20 | 520 | 77 | 42 |
| 536 | Radio wave propagation | 21 | 519 | 184 | 129 |
| 537 | Biomechanics | 21 | 518 | 377 | 490 |
| 538 | Plants | 29 | 512 | 551 | 925 |
| 539 | Systems Biology | 23 | 508 | 424 | 527 |
| 540 | Respiratory system | 19 | 507 | 125 | 175 |
| 541 | Bioethics | 19 | 505 | 281 | 186 |
| 541 | school psychologists | 2 | 505 | 239 | 83 |
| 543 | Cell metabolism | 5 | 497 | 445 | 487 |
| 544 | Infection control | 13 | 495 | 44 | 52 |
| 544 | Homeostasis | 4 | 495 | 316 | 465 |
| 546 | Alternative Medicine | 17 | 492 | 426 | 430 |
| 547 | complementary therapies | 27 | 487 | 292 | 447 |
| 547 | Culture | 11 | 487 | 514 | 221 |
| 549 | Queuing Theory | 13 | 481 | 36 | 23 |
| 550 | Amyloidosis | 22 | 480 | 16 | 33 |
| 551 | Cosmology | 19 | 479 | 174 | 234 |
| 552 | alcohol | 16 | 478 | 4 | 4 |
| 553 | Palliative Care | 20 | 469 | 214 | 210 |
| 553 | Composite Materials | 13 | 469 | 1,326 | 1,353 |
| 555 | Telecommunications | 28 | 468 | 63 | 100 |
| 556 | Geographic information systems | 20 | 466 | 250 | 206 |
| 557 | cell membrane | 12 | 465 | 256 | 292 |
| 558 | Functional Analysis | 32 | 464 | 310 | 400 |
| 558 | Lung Transplantation | 15 | 464 | 129 | 152 |
| 558 | Heart transplantation | 15 | 464 | 129 | 152 |
| 561 | Mathematics Education | 28 | 463 | 42 | 77 |
| 561 | Analytical Biochemistry | 24 | 463 | 425 | 608 |
| 563 | Marine Ecology | 22 | 462 | 191 | 205 |
| 564 | nursing ethics | 10 | 458 | 63 | 39 |
| 565 | Economic Development | 16 | 457 | 576 | 728 |
| 565 | Celestial Mechanics | 23 | 457 | 37 | 48 |
| 567 | Rock deformation | 19 | 456 | 11 | 42 |
| 568 | Archaeology | 48 | 455 | 250 | 420 |
| 568 | animals | 22 | 455 | 323 | 300 |
| 570 | Neural circuitry | 18 | 454 | 727 | 893 |
| 571 | Molecular Pharmacology | 15 | 453 | 283 | 400 |
| 571 | Histochemistry | 13 | 453 | 429 | 343 |
| 573 | Remote Sensing | 32 | 452 | 273 | 362 |
| 574 | Nanostructured Materials | 26 | 451 | 1,165 | 1,545 |
| 575 | Zeolites | 10 | 450 | 427 | 380 |
| 576 | Electromagnetism | 23 | 449 | 281 | 326 |
| 576 | Liquid chromatography | 31 | 449 | 25 | 25 |
| 578 | Neonatology | 15 | 447 | 142 | 144 |
| 579 | viruses | 10 | 446 | 651 | 683 |
| 580 | Zoology | 31 | 445 | 760 | 885 |
| 580 | Systems Engineering | 25 | 445 | 614 | 834 |
| 580 | Philosophy | 67 | 445 | 271 | 338 |
| 583 | protein | 17 | 441 | 430 | 457 |
| 583 | child abuse | 6 | 441 | 543 | 370 |
| 585 | Hydrology | 20 | 440 | 888 | 1,036 |
| 585 | Pituitary gland | 7 | 440 | 85 | 50 |
| 585 | Chronic diseases | 12 | 440 | 286 | 340 |
| 588 | Reading | 13 | 436 | 230 | 207 |
| 589 | Atomic spectroscopy | 29 | 435 | 256 | 387 |
| 590 | vitamin C | 8 | 434 | 153 | 139 |
| 590 | vitamin E | 8 | 434 | 153 | 139 |
| 592 | Organizational change | 5 | 432 | 539 | 220 |
| 593 | Solitons | 26 | 428 | 199 | 366 |
| 593 | Fractals | 26 | 428 | 201 | 367 |
| 593 | Chaos | 26 | 428 | 199 | 366 |
| 596 | economic policy | 39 | 426 | 509 | 710 |
| 597 | Intelligence | 2 | 425 | 307 | 108 |
| 598 | Andrology | 14 | 424 | 193 | 169 |
| 598 | Soft Condensed Matter | 15 | 424 | 434 | 459 |
| 600 | Neuropsychiatry | 36 | 423 | 113 | 310 |
| 600 | Sustainable Engineering | 10 | 423 | 868 | 814 |
| 602 | Language Disorders | 17 | 422 | 298 | 284 |
| 603 | Algae | 19 | 418 | 232 | 345 |
| 604 | Antigens | 14 | 417 | 285 | 284 |
| 605 | X-rays | 14 | 415 | 150 | 75 |
| 606 | Investment analysis | 10 | 414 | 379 | 252 |
| 607 | Parasites | 11 | 413 | 793 | 561 |
| 608 | supercritical fluids | 7 | 411 | 225 | 155 |
| 609 | violence | 3 | 410 | 941 | 431 |
| 610 | Growth factors | 9 | 409 | 67 | 147 |
| 611 | Geometry | 37 | 407 | 233 | 221 |
| 611 | Cosmochemistry | 26 | 407 | 186 | 412 |
| 613 | Research Design | 11 | 406 | 516 | 499 |
| 614 | Water quality management | 16 | 405 | 668 | 615 |
| 615 | Clinical Psychology | 15 | 404 | 519 | 612 |
| 615 | Biomarkers | 27 | 404 | 21 | 53 |
| 617 | family violence | 3 | 403 | 423 | 174 |
| 617 | Cytokine | 11 | 403 | 100 | 185 |
| 619 | Environmental Chemistry | 21 | 402 | 601 | 1,168 |
| 619 | cardiac catheterization | 32 | 402 | 117 | 172 |
| 621 | Psychiatric Nursing | 20 | 398 | 149 | 150 |
| 621 | Smoking | 7 | 398 | 427 | 338 |
| 623 | Gene expression regulation | 11 | 396 | 402 | 411 |
| 623 | biopolymers | 12 | 396 | 541 | 523 |
| 625 | Rock Mechanics | 10 | 395 | 470 | 436 |
| 626 | Plant Morphology | 26 | 394 | 67 | 130 |
| 626 | Transplantation | 17 | 394 | 355 | 499 |
| 628 | Anthropology | 29 | 392 | 434 | 513 |
| 629 | auditory perception | 11 | 390 | 154 | 162 |
| 630 | Pediatric Endocrinology | 42 | 389 | 5 | 26 |
| 630 | Speech | 12 | 389 | 404 | 413 |
| 632 | Pediatric Hematology | 23 | 388 | 49 | 43 |
| 632 | nuclear astrophysics | 13 | 388 | 182 | 218 |
| 634 | Speech Perception | 10 | 386 | 146 | 148 |
| 635 | Genetic Research | 13 | 384 | 19 | 27 |
| 636 | International Law | 12 | 383 | 141 | 22 |
| 637 | plant molecular biology | 4 | 382 | 1,212 | 933 |
| 638 | Information Systems | 24 | 380 | 291 | 511 |
| 639 | Business Ethics | 5 | 379 | 765 | 729 |
| 639 | Continental shelf | 17 | 379 | 101 | 158 |
| 641 | children | 5 | 378 | 336 | 210 |
| 642 | Immunopharmacology | 12 | 375 | 415 | 401 |
| 643 | Quantum Optics | 25 | 374 | 201 | 295 |
| 643 | Hearing | 16 | 374 | 241 | 236 |
| 643 | Laser Spectroscopy | 25 | 374 | 160 | 251 |
| 646 | Multimedia Systems | 21 | 372 | 559 | 624 |
| 647 | Minerals | 26 | 370 | 89 | 209 |
| 648 | Financial Institutions | 3 | 369 | 420 | 89 |
| 648 | Europa | 12 | 369 | 186 | 184 |
| 650 | global environmental change | 12 | 365 | 306 | 467 |
| 651 | Kinesiology | 19 | 362 | 10 | 19 |
| 651 | Boundary Value Problems | 13 | 362 | 282 | 244 |
| 651 | Antenna Arrays | 13 | 362 | 208 | 220 |
| 654 | catalytic activity | 11 | 360 | 291 | 325 |
| 655 | Political Science | 22 | 359 | 629 | 619 |
| 656 | Nephrology | 8 | 357 | 253 | 284 |
| 657 | Japan | 13 | 354 | 716 | 513 |
| 658 | scientific societies | 18 | 353 | 186 | 259 |
| 659 | Statistical Mechanics | 6 | 352 | 471 | 214 |
| 660 | China | 24 | 351 | 886 | 1,153 |
| 661 | Public Administration | 18 | 350 | 504 | 525 |
| 662 | Yeast | 6 | 349 | 253 | 198 |
| 662 | language | 10 | 349 | 386 | 400 |
| 664 | Computer-Aided Design | 22 | 348 | 315 | 458 |
| 664 | air | 12 | 348 | 48 | 97 |
| 664 | Metabolic disorders in children | 41 | 348 | 5 | 19 |
| 667 | Tourism | 11 | 347 | 800 | 969 |
| 667 | older people | 11 | 347 | 758 | 469 |
| 667 | peptides | 29 | 347 | 81 | 173 |
| 670 | Genetic disorders | 16 | 346 | 139 | 186 |
| 671 | Protein engineering | 6 | 344 | 121 | 88 |
| 671 | molecular design | 6 | 344 | 140 | 84 |
| 673 | Consumer education | 1 | 342 | 736 | 134 |
| 674 | Microelectronics | 39 | 339 | 398 | 979 |
| 675 | Learning disabilities | 15 | 337 | 325 | 341 |
| 676 | sedimentary basins | 7 | 334 | 100 | 94 |
| 677 | Photobiology | 15 | 332 | 445 | 582 |
| 678 | Ventilation | 20 | 331 | 103 | 180 |
| 679 | Semigroups | 17 | 329 | 37 | 7 |
| 680 | Health promotion | 22 | 328 | 308 | 447 |
| 681 | mutation | 10 | 327 | 218 | 295 |
| 682 | Cytoskeleton | 10 | 326 | 97 | 118 |
| 683 | Speech Disorders | 12 | 325 | 477 | 478 |
| 683 | Social Change | 10 | 325 | 467 | 740 |
| 685 | North America | 13 | 323 | 287 | 230 |
| 686 | Geodesy | 15 | 321 | 188 | 239 |
| 686 | Biogeochemistry | 11 | 321 | 535 | 678 |
| 688 | Endocrine system | 27 | 319 | 127 | 76 |
| 689 | Food additives | 14 | 316 | 400 | 639 |
| 690 | Holistic Health | 5 | 312 | 302 | 106 |
| 691 | enzymes | 17 | 310 | 554 | 778 |
| 692 | Quality Control | 15 | 309 | 581 | 802 |
| 692 | Technological Innovations | 7 | 309 | 613 | 469 |
| 694 | Surface-Active Agents | 14 | 307 | 349 | 633 |
| 694 | Surface properties | 14 | 307 | 386 | 702 |
| 696 | health behavior | 14 | 306 | 336 | 423 |
| 697 | Seaweed | 14 | 305 | 198 | 323 |
| 698 | Elderly | 9 | 303 | 657 | 292 |
| 698 | Plant diseases | 15 | 303 | 862 | 923 |
| 700 | Organizational learning | 21 | 299 | 22 | 80 |
| 701 | biofuels | 4 | 298 | 206 | 210 |
| 701 | space environment | 13 | 298 | 60 | 67 |
| 701 | internet | 25 | 298 | 385 | 839 |
| 701 | Electromagnetic fields | 9 | 298 | 135 | 13 |
| 701 | Cement | 3 | 298 | 552 | 446 |
| 706 | Global Health | 15 | 297 | 333 | 325 |
| 707 | environmental indicators | 4 | 295 | 1,001 | 746 |
| 707 | environmental issues | 9 | 295 | 145 | 175 |
| 709 | Early Childhood Education | 16 | 294 | 187 | 208 |
| 710 | Nanoelectronics | 35 | 293 | 109 | 211 |
| 710 | Semiconductor industry | 35 | 293 | 72 | 174 |
| 712 | Journalism | 8 | 292 | 292 | 154 |
| 712 | Internet of Things | 9 | 292 | 599 | 665 |
| 712 | Knowledge management | 18 | 292 | 15 | 33 |
| 712 | Detectors | 12 | 292 | 708 | 688 |
| 712 | fusion reactors | 11 | 292 | 176 | 103 |
| 717 | Conservation Biology | 6 | 285 | 766 | 657 |
| 717 | Biological Systems | 16 | 285 | 91 | 210 |
| 717 | Combinatorial analysis | 30 | 285 | 217 | 284 |
| 720 | Industrial Microbiology | 16 | 284 | 728 | 1,222 |
| 721 | Parkinson's disease | 6 | 283 | 136 | 104 |
| 722 | Control Theory | 15 | 282 | 805 | 820 |
| 722 | air quality | 8 | 282 | 43 | 45 |
| 722 | Jurisprudence | 18 | 282 | 297 | 366 |
| 725 | Entrepreneurship | 7 | 280 | 606 | 717 |
| 725 | Aquatic ecology | 10 | 280 | 455 | 426 |
| 727 | Fishery management | 10 | 279 | 382 | 337 |
| 728 | Algebra | 50 | 278 | 264 | 430 |
| 729 | Mobile Computing | 23 | 277 | 265 | 514 |
| 730 | Humanities | 11 | 276 | 810 | 459 |
| 731 | air quality management | 12 | 275 | 135 | 218 |
| 732 | Metallurgy | 13 | 272 | 1,079 | 1,097 |
| 733 | technical education | 8 | 271 | 347 | 220 |
| 733 | Extreme environments | 10 | 271 | 44 | 100 |
| 735 | Soil Mechanics | 7 | 269 | 693 | 603 |
| 735 | Multiple sclerosis | 26 | 269 | 82 | 156 |
| 737 | Transportation | 7 | 268 | 1,044 | 897 |
| 737 | Molecular ecology | 7 | 268 | 644 | 765 |
| 737 | Vision | 7 | 268 | 413 | 385 |
| 740 | health services accessibility | 5 | 267 | 677 | 425 |
| 741 | Synaptic Transmission | 12 | 265 | 168 | 253 |
| 742 | biological invasions | 5 | 263 | 445 | 324 |
| 743 | Travel | 11 | 262 | 288 | 294 |
| 744 | Metastasis | 7 | 261 | 57 | 174 |
| 745 | Population Genetics | 5 | 260 | 874 | 773 |
| 746 | Africa | 22 | 259 | 401 | 476 |
| 747 | Optical materials | 15 | 258 | 1,230 | 1,704 |
| 748 | Cerebral cortex | 7 | 257 | 569 | 592 |
| 749 | Distributed Databases | 5 | 255 | 98 | 48 |
| 750 | Health Services Research | 17 | 254 | 542 | 810 |
| 750 | Genetic markers | 16 | 254 | 14 | 50 |
| 750 | Women's health | 18 | 254 | 345 | 543 |
| 750 | sports injuries | 6 | 254 | 334 | 190 |
| 754 | Nuclear Chemistry | 20 | 253 | 333 | 402 |
| 755 | amino acids | 13 | 252 | 135 | 287 |
| 756 | Health Services Administration | 11 | 248 | 403 | 472 |
| 756 | Geomagnetism | 11 | 248 | 302 | 345 |
| 758 | Mining Engineering | 7 | 247 | 294 | 278 |
| 759 | sustainability | 12 | 246 | 307 | 638 |
| 760 | Clinical Laboratory Science | 16 | 245 | 30 | 45 |
| 760 | Amyotrophic Lateral Sclerosis | 11 | 245 | 66 | 115 |
| 760 | Behavioral research | 12 | 245 | 138 | 120 |
| 760 | multimedia | 9 | 245 | 229 | 304 |
| 760 | Interactive multimedia | 9 | 245 | 263 | 323 |
| 765 | Regional Planning | 16 | 244 | 608 | 811 |
| 766 | Small Business | 6 | 243 | 508 | 698 |
| 767 | Eating Disorders | 16 | 242 | 302 | 457 |
| 768 | eye | 6 | 241 | 105 | 249 |
| 769 | marketing | 8 | 240 | 1,227 | 1,242 |
| 770 | Coronary heart disease | 17 | 239 | 18 | 27 |
| 770 | Radiation effects | 8 | 239 | 293 | 390 |
| 772 | commerce | 12 | 238 | 687 | 867 |
| 773 | Nuclear Medicine | 17 | 237 | 324 | 482 |
| 773 | Plant Genetics | 2 | 237 | 774 | 535 |
| 773 | Germany | 23 | 237 | 109 | 99 |
| 776 | Semiconductors | 32 | 236 | 525 | 989 |
| 776 | solar cells | 3 | 236 | 887 | 620 |
| 778 | Socioeconomic Factors | 5 | 235 | 557 | 396 |
| 779 | Constitutional Law | 2 | 234 | 173 | 3 |
| 780 | constitutional courts | 1 | 233 | 137 | 3 |
| 781 | Marine Biotechnology | 4 | 232 | 156 | 97 |
| 782 | Risk Management | 12 | 230 | 220 | 326 |
| 783 | Transnational corporations | 7 | 229 | 144 | 160 |
| 784 | Long-Term Care | 4 | 228 | 401 | 339 |
| 784 | Long-term care facilities | 4 | 228 | 399 | 339 |
| 786 | Luminescence | 3 | 227 | 1,426 | 624 |
| 787 | Industrial Engineering | 7 | 226 | 1,174 | 1,121 |
| 788 | Petroleum Geology | 9 | 225 | 266 | 313 |
| 788 | Atherosclerosis | 6 | 225 | 79 | 82 |
| 788 | Heterocyclic compounds | 25 | 225 | 193 | 296 |
| 791 | Chemical Oceanography | 9 | 224 | 126 | 222 |
| 791 | Lightweight concrete | 4 | 224 | 348 | 452 |
| 793 | Osteoporosis | 8 | 223 | 133 | 145 |
| 794 | hospice care | 13 | 222 | 168 | 197 |
| 795 | Atmospheric Science | 4 | 221 | 145 | 86 |
| 796 | Youth | 5 | 218 | 494 | 447 |
| 796 | Australia | 18 | 218 | 572 | 840 |
| 798 | miniaturization | 6 | 217 | 1,242 | 1,299 |
| 799 | Law and Economics | 10 | 216 | 100 | 84 |
| 799 | food contamination | 5 | 216 | 741 | 434 |
| 799 | Hazardous waste | 2 | 216 | 1,184 | 862 |
| 802 | Algorithms | 20 | 214 | 134 | 290 |
| 802 | toxicity testing | 9 | 214 | 220 | 308 |
| 802 | Longevity | 2 | 214 | 225 | 82 |
| 802 | rejuvenation | 2 | 214 | 163 | 65 |
| 806 | radioactive waste | 1 | 212 | 1,354 | 804 |
| 806 | industrial waste | 1 | 212 | 1,404 | 805 |
| 806 | Sites | 11 | 212 | 234 | 402 |
| 809 | Economic Thought | 3 | 211 | 300 | 283 |
| 809 | economic conditions | 4 | 211 | 431 | 338 |
| 809 | biological agents | 28 | 211 | 55 | 43 |
| 812 | Forensic Psychiatry | 9 | 209 | 277 | 260 |
| 813 | Graph Theory | 16 | 208 | 244 | 251 |
| 813 | Lipid bilayers | 3 | 208 | 497 | 327 |
| 815 | History of Medicine | 12 | 207 | 175 | 66 |
| 815 | Enzyme inhibitors | 10 | 207 | 126 | 185 |
| 815 | Genetic testing | 13 | 207 | 59 | 56 |
| 818 | drug toxicity | 4 | 206 | 346 | 231 |
| 819 | Growth | 10 | 205 | 541 | 906 |
| 820 | Solar power plants | 1 | 204 | 324 | 116 |
| 820 | Photovoltaic Cells | 1 | 204 | 326 | 116 |
| 822 | Environmental Microbiology | 7 | 203 | 836 | 1,129 |
| 822 | feeding behavior | 5 | 203 | 523 | 518 |
| 822 | movement | 7 | 203 | 157 | 201 |
| 822 | Groundwater | 5 | 203 | 411 | 332 |
| 826 | Audiology | 16 | 202 | 288 | 446 |
| 826 | Nonlinear functional analysis | 15 | 202 | 436 | 599 |
| 826 | Electrocardiography | 22 | 202 | 46 | 88 |
| 826 | Developmental Neurobiology | 7 | 202 | 279 | 263 |
| 826 | Electroconvulsive therapy | 13 | 202 | 17 | 30 |
| 831 | Corporate governance | 4 | 200 | 515 | 381 |
| 831 | Antibodies | 8 | 200 | 291 | 337 |
| 833 | Reproductive toxicology | 3 | 199 | 407 | 258 |
| 833 | Androgens | 4 | 199 | 175 | 145 |
| 835 | Paleopathology | 11 | 198 | 87 | 103 |
| 836 | bioluminescence | 1 | 196 | 730 | 73 |
| 837 | Crystallography | 13 | 195 | 829 | 597 |
| 837 | Magnetic Resonance Spectroscopy | 17 | 195 | 455 | 593 |
| 839 | Forest Ecology | 8 | 194 | 593 | 736 |
| 839 | Ichthyology | 6 | 194 | 282 | 132 |
| 839 | cell physiology | 6 | 194 | 947 | 1,095 |
| 839 | Fish | 6 | 194 | 214 | 117 |
| 843 | Algal blooms | 3 | 192 | 270 | 219 |
| 843 | Cyanobacteria | 3 | 192 | 270 | 219 |
| 843 | microalgae | 3 | 192 | 270 | 219 |
| 846 | Political Psychology | 1 | 191 | 574 | 281 |
| 846 | Political Sociology | 2 | 191 | 592 | 274 |
| 846 | Instructional materials | 3 | 191 | 42 | 18 |
| 849 | Molecular Imaging | 5 | 190 | 426 | 421 |
| 850 | Social policy | 9 | 189 | 540 | 496 |
| 850 | ovary | 6 | 189 | 92 | 79 |
| 852 | Magnetic Resonance Imaging | 11 | 188 | 165 | 226 |
| 852 | Anxiety Disorders | 6 | 188 | 334 | 493 |
| 852 | Anxiety | 6 | 188 | 332 | 493 |
| 852 | biological monitoring | 6 | 188 | 277 | 303 |
| 856 | Natural resources | 3 | 187 | 724 | 537 |
| 857 | Diagnosis | 11 | 185 | 119 | 178 |
| 857 | cell movement | 6 | 185 | 129 | 190 |
| 857 | Pancreatic diseases | 12 | 185 | 111 | 178 |
| 860 | Hydrometeorology | 6 | 184 | 123 | 201 |
| 860 | death | 5 | 184 | 200 | 89 |
| 862 | food handling | 5 | 183 | 656 | 721 |
| 863 | Emergency Medical Services | 10 | 182 | 254 | 286 |
| 863 | body temperature | 10 | 182 | 162 | 245 |
| 863 | Appetite | 4 | 182 | 523 | 490 |
| 866 | Histocompatibility Testing | 10 | 181 | 173 | 256 |
| 866 | Interferons | 9 | 181 | 79 | 141 |
| 866 | Approximation Theory | 6 | 181 | 306 | 174 |
| 869 | Marine resources | 10 | 180 | 275 | 418 |
| 870 | disabilities | 10 | 179 | 303 | 399 |
| 871 | Urbanization | 7 | 178 | 59 | 70 |
| 871 | Air pollution | 7 | 178 | 1 | 4 |
| 871 | Urban climatology | 7 | 178 | 1 | 4 |
| 874 | Differential Equations | 10 | 177 | 562 | 572 |
| 874 | Vaccination | 8 | 177 | 78 | 146 |
| 876 | Combinatorial chemistry | 2 | 176 | 831 | 611 |
| 876 | Public opinion | 7 | 176 | 243 | 292 |
| 878 | Forecasting | 7 | 175 | 286 | 312 |
| 879 | Rheology | 4 | 174 | 484 | 335 |
| 879 | Flood forecasting | 4 | 174 | 60 | 33 |
| 879 | Developmental Immunology | 6 | 174 | 374 | 461 |
| 879 | Flood control | 4 | 174 | 186 | 74 |
| 883 | Health Information Management | 2 | 173 | 431 | 498 |
| 883 | Environmental Geochemistry | 15 | 173 | 72 | 252 |
| 885 | Solutions | 6 | 172 | 223 | 158 |
| 886 | Virtual reality | 8 | 171 | 168 | 237 |
| 886 | soil pollution | 4 | 171 | 447 | 298 |
| 888 | Law | 9 | 170 | 728 | 423 |
| 888 | Stochastic Processes | 9 | 170 | 466 | 430 |
| 888 | cosmic rays | 7 | 170 | 249 | 209 |
| 888 | Happiness | 8 | 170 | 151 | 308 |
| 888 | Drug delivery devices | 4 | 170 | 171 | 237 |
| 888 | Writing | 6 | 170 | 152 | 188 |
| 888 | Suicide | 4 | 170 | 444 | 332 |
| 895 | allied health | 1 | 168 | 496 | 147 |
| 896 | Evidence-Based Medicine | 6 | 167 | 405 | 430 |
| 896 | DNA polymerases | 2 | 167 | 441 | 536 |
| 898 | Immunochemistry | 12 | 166 | 360 | 582 |
| 899 | Thermodynamics | 3 | 165 | 1,292 | 547 |
| 899 | Thermochemistry | 3 | 165 | 507 | 309 |
| 899 | Volcanoes | 7 | 165 | 161 | 207 |
| 902 | Melanoma | 3 | 164 | 180 | 153 |
| 902 | Drug targeting | 2 | 164 | 407 | 252 |
| 902 | Pregnancy | 4 | 164 | 667 | 485 |
| 905 | Development | 4 | 163 | 664 | 669 |
| 906 | Retina | 1 | 162 | 281 | 298 |
| 906 | Animal ecology | 6 | 162 | 813 | 805 |
| 906 | Sonochemistry | 5 | 162 | 459 | 691 |
| 906 | DNA methylation | 3 | 162 | 266 | 238 |
| 910 | Chemical industry | 5 | 161 | 998 | 711 |
| 910 | vitamins | 5 | 161 | 67 | 99 |
| 912 | Calorimetry | 9 | 159 | 631 | 672 |
| 912 | Thermal analysis | 9 | 159 | 631 | 672 |
| 914 | soil microbiology | 6 | 158 | 981 | 1,391 |
| 914 | child behavior | 4 | 158 | 325 | 332 |
| 916 | Marine Geology | 9 | 157 | 284 | 412 |
| 917 | nuclear magnetic resonance | 13 | 156 | 466 | 592 |
| 918 | Applied Linguistics | 5 | 155 | 467 | 309 |
| 918 | Radiography | 5 | 155 | 519 | 696 |
| 918 | Randomized Controlled Trials | 9 | 155 | 492 | 470 |
| 921 | Family Therapy | 12 | 154 | 319 | 432 |
| 922 | Medical Imaging | 10 | 153 | 127 | 181 |
| 922 | Data Mining | 10 | 153 | 426 | 735 |
| 922 | counseling | 8 | 153 | 759 | 808 |
| 925 | Health Physics | 4 | 152 | 113 | 51 |
| 925 | Simulation Methods | 16 | 152 | 250 | 574 |
| 925 | indoor air pollution | 6 | 152 | 208 | 271 |
| 925 | Sick building syndrome | 6 | 152 | 208 | 271 |
| 929 | Feeding and Eating Disorders | 15 | 151 | 294 | 583 |
| 930 | Radiochemistry | 15 | 150 | 335 | 457 |
| 930 | Sexual health | 13 | 150 | 239 | 403 |
| 930 | Ultrasonic Imaging | 3 | 150 | 501 | 336 |
| 933 | Development Economics | 3 | 149 | 420 | 272 |
| 933 | digital preservation | 3 | 149 | 60 | 32 |
| 933 | dietary supplements | 4 | 149 | 723 | 669 |
| 933 | Meteorites | 7 | 149 | 581 | 804 |
| 937 | Microbial Biotechnology | 8 | 147 | 472 | 746 |
| 937 | Auditing | 1 | 147 | 649 | 316 |
| 939 | Demography | 9 | 146 | 308 | 486 |
| 940 | Medical Anthropology | 5 | 145 | 887 | 1,086 |
| 941 | Healing | 4 | 144 | 78 | 44 |
| 942 | Structural biology | 1 | 143 | 162 | 38 |
| 942 | Mutagenesis | 10 | 143 | 117 | 201 |
| 944 | cosmetics | 6 | 142 | 72 | 81 |
| 945 | Aerosols | 10 | 141 | 246 | 373 |
| 945 | Knowledge | 10 | 141 | 248 | 251 |
| 945 | Forest Management | 4 | 141 | 823 | 801 |
| 945 | Computational Complexity | 14 | 141 | 342 | 517 |
| 949 | Middle East | 12 | 140 | 388 | 463 |
| 949 | educational innovations | 4 | 140 | 437 | 404 |
| 951 | Hydrogeology | 9 | 139 | 347 | 503 |
| 952 | Clinical Trials | 3 | 138 | 424 | 281 |
| 952 | Inorganic Chemistry | 4 | 138 | 10 | 36 |
| 952 | Radioisotopes | 13 | 138 | 433 | 557 |
| 952 | curriculum evaluation | 4 | 138 | 311 | 234 |
| 952 | planning | 10 | 138 | 291 | 430 |
| 952 | Fuzzy systems | 4 | 138 | 1,526 | 914 |
| 958 | Vocational guidance | 11 | 137 | 425 | 766 |
| 958 | Roads | 3 | 137 | 637 | 383 |
| 958 | investigative techniques | 1 | 137 | 310 | 124 |
| 961 | Nitric oxide | 5 | 136 | 127 | 215 |
| 962 | Translation | 4 | 135 | 134 | 36 |
| 962 | Drying | 3 | 135 | 364 | 279 |
| 962 | Microorganisms | 4 | 135 | 861 | 1,016 |
| 965 | Analytical Toxicology | 5 | 134 | 129 | 132 |
| 965 | psychopathology | 2 | 134 | 354 | 293 |
| 965 | Carbon | 2 | 134 | 1,444 | 1,345 |
| 965 | Investments | 10 | 134 | 161 | 249 |
| 969 | Neurolinguistics | 8 | 133 | 234 | 415 |
| 969 | locomotion | 6 | 133 | 413 | 505 |
| 969 | posture | 6 | 133 | 413 | 505 |
| 969 | gait | 6 | 133 | 413 | 505 |
| 969 | walking | 6 | 133 | 413 | 505 |
| 974 | Otolaryngology | 2 | 132 | 555 | 341 |
| 974 | Inclusive Education | 3 | 132 | 157 | 121 |
| 974 | Integration | 3 | 132 | 150 | 121 |
| 977 | Planetary Science | 38 | 131 | 69 | 289 |
| 977 | Functional Genomics | 2 | 131 | 314 | 265 |
| 979 | sadness | 2 | 130 | 314 | 109 |
| 979 | women | 12 | 130 | 307 | 389 |
| 979 | antisocial personality disorder | 2 | 130 | 314 | 109 |
| 982 | Hemophilia | 11 | 128 | 156 | 227 |
| 982 | Bereavement | 6 | 128 | 81 | 96 |
| 984 | Moon | 51 | 127 | 7 | 59 |
| 985 | Cardiac rehabilitation | 4 | 126 | 66 | 72 |
| 985 | Transport | 6 | 126 | 367 | 532 |
| 985 | Sea | 6 | 126 | 319 | 429 |
| 985 | Fishery resources | 6 | 126 | 360 | 474 |
| 985 | tomography | 7 | 126 | 209 | 211 |
| 990 | Computer Engineering | 9 | 125 | 419 | 605 |
| 990 | Cell division | 2 | 125 | 449 | 350 |
| 990 | Decision making | 14 | 125 | 555 | 1,112 |
| 993 | Nonverbal Communication | 2 | 124 | 261 | 207 |
| 993 | X-ray crystallography | 5 | 124 | 418 | 316 |
| 995 | Plant genetic engineering | 6 | 123 | 569 | 840 |
| 995 | Magnetic Materials | 10 | 123 | 870 | 1,222 |
| 995 | mental health promotion | 14 | 123 | 36 | 133 |
| 995 | mammals | 9 | 123 | 526 | 699 |
| 999 | Electromagnetic compatibility | 6 | 122 | 223 | 222 |
| 999 | health workforce | 2 | 122 | 228 | 189 |