| 1 | Medicine | 3,167 | 89.9K | 61 | 165 |
| 2 | Science | 1,328 | 60.5K | 224 | 372 |
| 3 | Research | 1,955 | 53.2K | 78 | 137 |
| 4 | Biology | 984 | 51.4K | 289 | 421 |
| 5 | Neurology | 1,705 | 49.8K | 76 | 183 |
| 6 | Molecular Biology | 1,248 | 44.2K | 166 | 310 |
| 7 | Cytology | 708 | 37.9K | 112 | 168 |
| 8 | Physics | 292 | 31.8K | 980 | 659 |
| 9 | Cell Biology | 591 | 31.8K | 111 | 189 |
| 10 | Biochemistry | 1,119 | 28.3K | 339 | 492 |
| 11 | Chemistry | 514 | 27.3K | 719 | 611 |
| 12 | Pharmacology | 1,122 | 21.0K | 58 | 172 |
| 13 | Cancer | 518 | 20.4K | 83 | 131 |
| 14 | Virology | 248 | 20.3K | 168 | 181 |
| 15 | Psychiatry | 368 | 15.8K | 194 | 225 |
| 16 | Liver diseases | 259 | 15.5K | 26 | 53 |
| 17 | Microbiology | 500 | 15.3K | 309 | 478 |
| 18 | Immunology | 348 | 14.3K | 159 | 227 |
| 19 | Biophysics | 563 | 13.8K | 220 | 345 |
| 20 | Natural history | 36 | 13.2K | 791 | 564 |
| 21 | Biocompatible Materials | 326 | 12.9K | 176 | 252 |
| 22 | Cell death | 194 | 12.2K | 25 | 51 |
| 23 | Public Health | 307 | 12.2K | 281 | 279 |
| 24 | Biomedical Engineering | 480 | 11.3K | 114 | 215 |
| 25 | Nanotechnology | 311 | 10.8K | 338 | 467 |
| 26 | Oncology | 229 | 10.2K | 63 | 172 |
| 27 | Human genetics | 63 | 9.6K | 345 | 382 |
| 28 | Neurochemistry | 350 | 9.5K | 51 | 130 |
| 29 | Brain | 374 | 9.3K | 86 | 196 |
| 30 | Nutrition | 376 | 9.2K | 118 | 265 |
| 31 | Environmental Health | 243 | 8.4K | 306 | 436 |
| 32 | Toxicology | 383 | 8.4K | 132 | 299 |
| 33 | Mental Disorders | 164 | 8.3K | 190 | 224 |
| 34 | Cardiovascular system | 146 | 8.1K | 122 | 173 |
| 35 | Immunotherapy | 257 | 8.0K | 25 | 103 |
| 36 | Biotechnology | 300 | 7.9K | 315 | 583 |
| 37 | Pollution | 241 | 7.9K | 376 | 596 |
| 38 | Ophthalmology | 417 | 7.8K | 27 | 87 |
| 39 | Neurophysiology | 288 | 7.7K | 164 | 318 |
| 40 | China | 395 | 7.6K | 62 | 59 |
| 41 | Immunity | 107 | 7.3K | 174 | 246 |
| 42 | Signal Transduction | 117 | 6.4K | 45 | 55 |
| 43 | Physiology | 266 | 6.4K | 286 | 431 |
| 44 | Clinical Chemistry | 245 | 6.4K | 88 | 173 |
| 45 | Metabolism | 203 | 6.2K | 186 | 320 |
| 46 | Inflammation | 112 | 6.1K | 7 | 6 |
| 47 | Medical Microbiology | 151 | 6.0K | 133 | 212 |
| 48 | Critical Care | 126 | 6.0K | 105 | 165 |
| 49 | Critical Care Medicine | 116 | 5.9K | 117 | 169 |
| 50 | Alzheimer's disease | 221 | 5.7K | 61 | 71 |
| 51 | Cell differentiation | 125 | 5.5K | 122 | 226 |
| 52 | Genetics | 148 | 5.3K | 340 | 488 |
| 53 | free radicals | 109 | 5.3K | 43 | 87 |
| 54 | Genomics | 198 | 5.2K | 129 | 231 |
| 55 | Aging | 204 | 5.0K | 160 | 216 |
| 56 | Hypertension | 141 | 5.0K | 120 | 216 |
| 57 | Diagnostic Imaging | 218 | 4.9K | 44 | 98 |
| 58 | Nervous system | 269 | 4.9K | 69 | 263 |
| 59 | Metabolic diseases | 142 | 4.9K | 189 | 301 |
| 60 | Stem cells | 195 | 4.9K | 29 | 88 |
| 61 | Environmental monitoring | 128 | 4.8K | 265 | 357 |
| 62 | Ecology | 124 | 4.8K | 882 | 1005 |
| 63 | Pharmaceutical Chemistry | 175 | 4.7K | 291 | 395 |
| 64 | Epidemiology | 209 | 4.6K | 223 | 332 |
| 65 | environmental pollution | 148 | 4.6K | 390 | 542 |
| 66 | Bioengineering | 170 | 4.6K | 317 | 587 |
| 67 | Pharmacognosy | 170 | 4.5K | 38 | 87 |
| 68 | environmental protection | 138 | 4.5K | 193 | 281 |
| 69 | Pathology | 186 | 4.5K | 132 | 245 |
| 70 | Cardiovascular diseases | 289 | 4.4K | 9 | 71 |
| 71 | Analytical Chemistry | 177 | 4.3K | 440 | 575 |
| 72 | Medicinal plants | 172 | 4.3K | 18 | 37 |
| 73 | Dementia | 172 | 4.3K | 78 | 74 |
| 74 | Geriatrics | 200 | 4.3K | 180 | 254 |
| 75 | Materials | 150 | 4.3K | 913 | 1013 |
| 76 | nanoscience | 88 | 4.3K | 377 | 419 |
| 77 | Neurobiology | 107 | 4.2K | 168 | 253 |
| 78 | Medical Oncology | 151 | 4.2K | 105 | 167 |
| 79 | Diabetes | 139 | 4.1K | 149 | 269 |
| 80 | Medical genetics | 147 | 4.1K | 258 | 411 |
| 81 | cytokines | 175 | 3.8K | 23 | 39 |
| 82 | Hematology | 138 | 3.7K | 306 | 376 |
| 83 | Neuropsychology | 135 | 3.7K | 181 | 252 |
| 84 | Environmental Engineering | 65 | 3.7K | 565 | 477 |
| 85 | Genetic engineering | 136 | 3.6K | 75 | 179 |
| 86 | Endocrinology | 145 | 3.6K | 305 | 488 |
| 87 | Developmental Biology | 52 | 3.6K | 367 | 332 |
| 88 | Surgery | 109 | 3.5K | 144 | 312 |
| 89 | Environmental Toxicology | 129 | 3.5K | 84 | 205 |
| 90 | Allergy | 72 | 3.3K | 115 | 223 |
| 91 | Immunopharmacology | 170 | 3.1K | 24 | 40 |
| 92 | Mental illness | 93 | 3.1K | 184 | 301 |
| 93 | Environmental pollutants | 125 | 3.1K | 70 | 161 |
| 94 | Diabetes mellitus | 110 | 3.1K | 168 | 316 |
| 95 | Immune system | 56 | 3.1K | 98 | 216 |
| 96 | Oxidation-reduction | 52 | 3.1K | 44 | 80 |
| 97 | Neurosurgery | 159 | 3.1K | 7 | 57 |
| 98 | Diet | 129 | 3.0K | 131 | 307 |
| 99 | brain mapping | 73 | 3.0K | 28 | 62 |
| 100 | Environment | 65 | 2.9K | 938 | 1150 |
| 101 | Oxidative stress | 58 | 2.9K | 17 | 44 |
| 102 | Sleep Disorders | 150 | 2.9K | 55 | 151 |
| 103 | Environmental Microbiology | 19 | 2.7K | 403 | 176 |
| 104 | proteins | 92 | 2.7K | 158 | 220 |
| 105 | soil microbiology | 13 | 2.6K | 636 | 265 |
| 105 | Microorganisms | 14 | 2.6K | 359 | 143 |
| 107 | Psychophysiology | 60 | 2.6K | 579 | 549 |
| 108 | cell physiology | 66 | 2.6K | 170 | 263 |
| 109 | Sleep | 146 | 2.5K | 59 | 169 |
| 110 | Cell metabolism | 30 | 2.5K | 70 | 158 |
| 111 | Information Technology | 94 | 2.5K | 123 | 244 |
| 112 | Colloids | 51 | 2.4K | 975 | 813 |
| 113 | Educational Technology | 90 | 2.4K | 45 | 85 |
| 114 | arthritis | 34 | 2.4K | 258 | 230 |
| 115 | Alternative Medicine | 119 | 2.4K | 26 | 59 |
| 116 | Parenteral nutrition | 57 | 2.4K | 78 | 136 |
| 117 | Homeostasis | 15 | 2.3K | 113 | 165 |
| 118 | pain | 93 | 2.3K | 101 | 207 |
| 119 | Environmental Policy | 48 | 2.3K | 632 | 614 |
| 120 | environmental exposure | 100 | 2.3K | 71 | 154 |
| 121 | Materials Science | 89 | 2.3K | 803 | 988 |
| 122 | Behavior | 83 | 2.3K | 477 | 673 |
| 123 | Environmental Law | 47 | 2.3K | 115 | 188 |
| 124 | complementary therapies | 112 | 2.2K | 40 | 67 |
| 125 | Computational Biology | 43 | 2.2K | 470 | 410 |
| 126 | pollutants | 91 | 2.2K | 89 | 213 |
| 127 | Engineering | 100 | 2.2K | 468 | 473 |
| 128 | Neurons | 17 | 2.2K | 198 | 274 |
| 129 | Surface Chemistry | 47 | 2.2K | 1036 | 830 |
| 130 | Obstetrics | 145 | 2.2K | 178 | 317 |
| 131 | Biosensors | 37 | 2.1K | 191 | 203 |
| 132 | Pediatrics | 168 | 2.1K | 164 | 407 |
| 133 | Health Policy | 54 | 2.1K | 355 | 281 |
| 134 | Lipids | 105 | 2.1K | 41 | 168 |
| 135 | Reproduction | 88 | 2.1K | 279 | 338 |
| 136 | Herbal medicine | 71 | 2.1K | 26 | 33 |
| 137 | gene mapping | 80 | 2.0K | 160 | 342 |
| 138 | Bioinformatics | 62 | 2.0K | 263 | 360 |
| 139 | Rheumatology | 45 | 2.0K | 169 | 199 |
| 139 | drug therapy | 106 | 2.0K | 218 | 331 |
| 141 | epilepsy | 99 | 2.0K | 26 | 61 |
| 142 | Urology | 140 | 2.0K | 120 | 257 |
| 143 | Genetic regulation | 38 | 2.0K | 145 | 200 |
| 144 | Orthopedics | 192 | 2.0K | 47 | 191 |
| 145 | United States | 28 | 1.9K | 1527 | 815 |
| 146 | Medical Physics | 93 | 1.9K | 205 | 314 |
| 147 | Bioelectronics | 31 | 1.9K | 187 | 201 |
| 148 | fertility | 23 | 1.9K | 267 | 187 |
| 149 | cloning | 30 | 1.9K | 69 | 95 |
| 150 | Enteral nutrition | 48 | 1.9K | 50 | 125 |
| 151 | Respiration | 106 | 1.9K | 111 | 236 |
| 152 | cell interaction | 73 | 1.9K | 25 | 84 |
| 153 | Biochemical Engineering | 62 | 1.9K | 613 | 997 |
| 153 | Image Processing | 42 | 1.9K | 477 | 423 |
| 155 | Host-parasite interactions | 17 | 1.9K | 392 | 314 |
| 156 | Infertility | 22 | 1.9K | 252 | 173 |
| 157 | Clinical Immunology | 73 | 1.8K | 80 | 128 |
| 158 | Chromatographic analysis | 112 | 1.8K | 71 | 114 |
| 159 | Thrombosis | 107 | 1.8K | 60 | 177 |
| 160 | Psychology | 56 | 1.8K | 1018 | 904 |
| 161 | Europe | 69 | 1.8K | 485 | 428 |
| 162 | nucleic acids | 45 | 1.7K | 356 | 480 |
| 163 | infection | 82 | 1.7K | 128 | 285 |
| 164 | Emerging infectious diseases | 71 | 1.7K | 5 | 13 |
| 165 | Orthopedic Surgery | 153 | 1.7K | 7 | 48 |
| 166 | Digestive system diseases | 67 | 1.7K | 74 | 86 |
| 167 | Proteomics | 47 | 1.7K | 88 | 138 |
| 168 | Histology | 78 | 1.7K | 196 | 333 |
| 169 | Pediatric Neurology | 38 | 1.7K | 169 | 278 |
| 170 | Asia | 96 | 1.7K | 157 | 178 |
| 171 | Cerebral cortex | 57 | 1.6K | 102 | 203 |
| 172 | Nuclear Medicine | 70 | 1.6K | 97 | 135 |
| 173 | Vaccines | 86 | 1.6K | 146 | 247 |
| 174 | Nanostructured Materials | 47 | 1.6K | 804 | 808 |
| 175 | Immunopathology | 77 | 1.6K | 109 | 214 |
| 176 | Obesity | 67 | 1.6K | 265 | 420 |
| 177 | Systems Biology | 79 | 1.6K | 88 | 175 |
| 178 | Health | 75 | 1.6K | 222 | 322 |
| 179 | Computer Vision | 22 | 1.6K | 309 | 236 |
| 180 | Medical innovations | 30 | 1.5K | 144 | 263 |
| 181 | rehabilitation | 66 | 1.5K | 257 | 364 |
| 182 | Evidence-Based Medicine | 74 | 1.5K | 22 | 31 |
| 183 | mycoses | 14 | 1.5K | 238 | 191 |
| 184 | Long-Term Care | 9 | 1.5K | 226 | 77 |
| 184 | Long-term care facilities | 9 | 1.5K | 224 | 77 |
| 186 | Psychopharmacology | 37 | 1.5K | 319 | 358 |
| 187 | Gastrointestinal diseases | 93 | 1.5K | 5 | 18 |
| 188 | behavioral medicine | 24 | 1.5K | 331 | 286 |
| 189 | eye | 17 | 1.5K | 25 | 63 |
| 190 | Recombinant DNA | 84 | 1.5K | 65 | 195 |
| 191 | Polymers | 43 | 1.5K | 1335 | 1095 |
| 192 | Bacterial infections | 23 | 1.5K | 139 | 202 |
| 193 | Cell cycle | 41 | 1.5K | 13 | 19 |
| 193 | cell proliferation | 41 | 1.5K | 13 | 19 |
| 195 | Clinical Pharmacology | 90 | 1.4K | 70 | 160 |
| 195 | Molecular Imaging | 48 | 1.4K | 74 | 114 |
| 197 | Emergency Medicine | 96 | 1.4K | 101 | 155 |
| 198 | Oncogenes | 36 | 1.4K | 218 | 340 |
| 199 | Bioorganic chemistry | 77 | 1.4K | 369 | 645 |
| 200 | Integrative Medicine | 137 | 1.4K | 3 | 3 |
| 201 | drug development | 26 | 1.4K | 150 | 249 |
| 202 | sanitation | 15 | 1.4K | 597 | 527 |
| 203 | Data Mining | 25 | 1.4K | 321 | 300 |
| 204 | Spectrum analysis | 73 | 1.4K | 896 | 1165 |
| 205 | Oral Medicine | 97 | 1.4K | 7 | 14 |
| 206 | Leukemia | 18 | 1.4K | 336 | 267 |
| 207 | Chromatography | 73 | 1.4K | 104 | 155 |
| 208 | biological factors | 55 | 1.3K | 202 | 314 |
| 209 | Cell communication | 36 | 1.3K | 25 | 49 |
| 210 | drug resistance | 41 | 1.3K | 27 | 44 |
| 211 | Radiography | 31 | 1.3K | 145 | 216 |
| 212 | data collection | 18 | 1.3K | 250 | 227 |
| 213 | Organic Chemistry | 65 | 1.3K | 659 | 809 |
| 214 | Electrophoresis | 63 | 1.3K | 141 | 240 |
| 215 | Primary health care | 60 | 1.2K | 211 | 253 |
| 216 | Respiratory system | 51 | 1.2K | 25 | 57 |
| 217 | Chemical Engineering | 56 | 1.2K | 1190 | 1560 |
| 218 | anesthesia | 99 | 1.2K | 2 | 5 |
| 219 | Retina | 6 | 1.2K | 81 | 81 |
| 220 | Chemotherapy | 56 | 1.2K | 170 | 237 |
| 221 | Randomized Controlled Trials | 126 | 1.2K | 37 | 80 |
| 222 | Hormones | 56 | 1.2K | 156 | 290 |
| 223 | Genetic therapy | 56 | 1.2K | 106 | 220 |
| 224 | Food | 51 | 1.2K | 577 | 854 |
| 225 | biochemical markers | 60 | 1.2K | 11 | 20 |
| 226 | Diagnostic microbiology | 35 | 1.1K | 227 | 400 |
| 227 | Nanobiotechnology | 35 | 1.1K | 33 | 71 |
| 228 | Nanoparticles | 35 | 1.1K | 375 | 436 |
| 229 | preventive medicine | 38 | 1.1K | 210 | 286 |
| 230 | rare diseases | 84 | 1.1K | 6 | 87 |
| 231 | Infections | 46 | 1.1K | 147 | 316 |
| 232 | Molecular cloning | 67 | 1.1K | 86 | 242 |
| 233 | human behavior | 29 | 1.0K | 661 | 850 |
| 234 | Parasitic Diseases | 32 | 1.0K | 418 | 410 |
| 235 | Muscles | 36 | 1.0K | 116 | 187 |
| 236 | Child | 86 | 1.0K | 254 | 504 |
| 237 | software | 47 | 1.0K | 46 | 146 |
| 238 | Genetic recombination | 64 | 1.0K | 89 | 249 |
| 239 | Antioxidants | 22 | 1.0K | 122 | 220 |
| 240 | Health Services Research | 54 | 1.0K | 222 | 318 |
| 241 | Pharmacy | 43 | 988 | 394 | 493 |
| 242 | Schizophrenia | 50 | 983 | 148 | 288 |
| 242 | Drug delivery systems | 39 | 983 | 212 | 433 |
| 244 | viruses | 31 | 965 | 348 | 479 |
| 245 | Information Science | 13 | 960 | 1184 | 668 |
| 246 | Optical materials | 28 | 953 | 849 | 938 |
| 247 | gene therapy | 46 | 950 | 124 | 276 |
| 248 | Virulence | 26 | 934 | 287 | 457 |
| 249 | drugs | 85 | 931 | 174 | 452 |
| 250 | Hemodynamics | 29 | 930 | 125 | 220 |
| 250 | Cross-Cultural Studies | 38 | 930 | 30 | 62 |
| 250 | cross-cultural comparison | 38 | 930 | 21 | 34 |
| 253 | Medical Technology | 72 | 925 | 72 | 294 |
| 254 | Nanostructures | 46 | 907 | 249 | 584 |
| 255 | Sarcopenia | 25 | 906 | 18 | 79 |
| 256 | risk factors | 21 | 899 | 159 | 141 |
| 257 | gastrointestinal tract | 21 | 890 | 28 | 61 |
| 258 | Hemostasis | 53 | 888 | 48 | 100 |
| 258 | drug evaluation | 71 | 888 | 42 | 198 |
| 260 | Hematopoietic stem cell transplantation | 21 | 872 | 42 | 56 |
| 261 | Pregnancy | 57 | 869 | 50 | 122 |
| 262 | Embryology | 26 | 868 | 444 | 527 |
| 263 | Neurotransmitters | 42 | 853 | 48 | 76 |
| 264 | Electronics | 31 | 850 | 1044 | 909 |
| 265 | Kidney diseases | 56 | 836 | 82 | 185 |
| 266 | Gerontology | 47 | 835 | 345 | 395 |
| 267 | Chromosome mapping | 47 | 832 | 255 | 531 |
| 268 | Molecular Genetics | 40 | 811 | 387 | 647 |
| 269 | Bone diseases | 21 | 810 | 75 | 159 |
| 270 | Electrophysiology | 67 | 808 | 79 | 159 |
| 271 | Biomarkers | 41 | 804 | 12 | 21 |
| 272 | Cytogenetics | 20 | 779 | 401 | 500 |
| 273 | ovary | 32 | 773 | 9 | 10 |
| 274 | vascular diseases | 26 | 766 | 145 | 241 |
| 275 | Antibacterial agents | 31 | 760 | 58 | 114 |
| 276 | Quality of life | 31 | 759 | 238 | 384 |
| 277 | Carcinogenesis | 23 | 758 | 206 | 270 |
| 278 | Surface-Active Agents | 21 | 740 | 213 | 266 |
| 278 | Artificial Organs | 31 | 740 | 97 | 80 |
| 278 | Surface properties | 21 | 740 | 233 | 293 |
| 281 | Egypt | 27 | 736 | 49 | 60 |
| 282 | Transplantation | 33 | 718 | 228 | 365 |
| 283 | carcinogens | 33 | 717 | 134 | 272 |
| 284 | Magnetic Resonance Imaging | 41 | 715 | 40 | 75 |
| 285 | Cell division | 18 | 707 | 43 | 52 |
| 286 | Dermatology | 56 | 705 | 275 | 484 |
| 286 | genome | 22 | 705 | 406 | 625 |
| 288 | Adolescent | 44 | 704 | 380 | 557 |
| 289 | Medical Imaging | 38 | 694 | 29 | 53 |
| 290 | natural products | 47 | 693 | 235 | 419 |
| 291 | Neurotoxicology | 25 | 691 | 55 | 103 |
| 292 | Botany | 23 | 683 | 1442 | 1503 |
| 293 | Geriatric Psychiatry | 42 | 678 | 93 | 227 |
| 294 | Neuropsychiatry | 20 | 669 | 213 | 210 |
| 295 | Astrocytes | 12 | 667 | 157 | 197 |
| 296 | Neuroimmunology | 20 | 662 | 158 | 251 |
| 297 | Reproductive health | 36 | 660 | 91 | 157 |
| 298 | Therapeutics | 34 | 648 | 373 | 577 |
| 299 | Anatomy | 33 | 646 | 497 | 623 |
| 300 | Audiology | 38 | 644 | 136 | 196 |
| 301 | Asthma | 40 | 639 | 42 | 93 |
| 302 | Agricultural Chemistry | 23 | 638 | 666 | 779 |
| 303 | Multiple sclerosis | 33 | 628 | 50 | 51 |
| 304 | Histochemistry | 38 | 625 | 119 | 263 |
| 305 | Vision | 21 | 624 | 205 | 257 |
| 306 | Diagnosis | 47 | 622 | 16 | 36 |
| 307 | Animal Behavior | 11 | 619 | 933 | 784 |
| 308 | Clinical Biochemistry | 33 | 614 | 193 | 320 |
| 309 | Andrology | 22 | 612 | 106 | 119 |
| 310 | Child psychology | 6 | 610 | 944 | 611 |
| 310 | Proteome | 26 | 610 | 240 | 429 |
| 312 | Signal Processing | 53 | 595 | 542 | 1009 |
| 312 | Parasitology | 24 | 595 | 738 | 701 |
| 314 | actuators | 28 | 591 | 635 | 896 |
| 314 | transducers | 28 | 591 | 635 | 896 |
| 316 | medical education | 26 | 587 | 450 | 470 |
| 317 | Spine | 43 | 583 | 88 | 247 |
| 318 | Carbon | 3 | 577 | 1253 | 662 |
| 319 | Metabolic syndrome | 52 | 550 | 7 | 18 |
| 320 | food technology | 28 | 546 | 736 | 1057 |
| 320 | DNA polymerases | 4 | 546 | 295 | 271 |
| 322 | Food Microbiology | 15 | 543 | 423 | 547 |
| 323 | Autoimmunity | 22 | 539 | 171 | 299 |
| 324 | polymerization | 17 | 537 | 1729 | 1500 |
| 325 | Ethology | 7 | 535 | 915 | 732 |
| 325 | miniaturization | 25 | 535 | 529 | 860 |
| 327 | Mental Health | 25 | 529 | 409 | 446 |
| 327 | pain management | 26 | 529 | 96 | 147 |
| 329 | Genes | 30 | 519 | 182 | 301 |
| 330 | Tropical Medicine | 34 | 514 | 316 | 479 |
| 331 | Socioeconomic Factors | 27 | 512 | 114 | 209 |
| 332 | Microfabrication | 12 | 506 | 90 | 59 |
| 333 | Artificial Intelligence | 32 | 501 | 1151 | 1583 |
| 334 | X-rays | 47 | 493 | 24 | 57 |
| 335 | Photonics | 17 | 492 | 814 | 881 |
| 336 | healthcare disparities | 25 | 490 | 72 | 92 |
| 337 | Physical Therapy | 12 | 489 | 553 | 505 |
| 337 | Microbial Ecology | 25 | 489 | 671 | 1180 |
| 339 | biopolymers | 11 | 486 | 557 | 457 |
| 340 | Melanoma | 9 | 485 | 53 | 41 |
| 341 | Immunochemistry | 29 | 483 | 150 | 268 |
| 342 | Psychoneuroimmunology | 15 | 482 | 176 | 293 |
| 343 | mutagens | 16 | 479 | 228 | 348 |
| 344 | Radiobiology | 35 | 477 | 272 | 480 |
| 345 | Decision making | 24 | 475 | 351 | 498 |
| 346 | Radiology | 27 | 473 | 314 | 334 |
| 347 | cell adhesion molecules | 8 | 472 | 33 | 68 |
| 348 | Developing countries | 18 | 463 | 787 | 816 |
| 349 | Medical Laboratory Science | 24 | 460 | 592 | 966 |
| 350 | poverty | 24 | 458 | 22 | 69 |
| 351 | toxicity testing | 18 | 457 | 85 | 135 |
| 351 | Hippocampus | 1 | 457 | 452 | 139 |
| 353 | Global Health | 18 | 454 | 270 | 223 |
| 354 | DNS | 20 | 452 | 55 | 100 |
| 354 | DNA | 20 | 452 | 80 | 100 |
| 356 | Nursing | 33 | 447 | 409 | 504 |
| 357 | Australia | 18 | 446 | 553 | 485 |
| 358 | Plant physiology | 6 | 440 | 1470 | 1134 |
| 359 | Parkinson's disease | 26 | 435 | 8 | 61 |
| 360 | alcoholism | 10 | 433 | 680 | 596 |
| 361 | drug toxicity | 15 | 432 | 56 | 86 |
| 362 | Neural circuitry | 25 | 430 | 550 | 920 |
| 363 | Cellular senescence | 10 | 427 | 47 | 184 |
| 364 | Autoimmune diseases | 16 | 423 | 160 | 262 |
| 365 | plant molecular biology | 3 | 422 | 1347 | 872 |
| 366 | Nutrition physiology | 3 | 414 | 677 | 295 |
| 367 | Developmental Neurobiology | 15 | 413 | 117 | 130 |
| 368 | Evolutionary Genetics | 31 | 412 | 32 | 155 |
| 368 | Molecular Epidemiology | 31 | 412 | 32 | 155 |
| 370 | Cardiovascular Pharmacology | 18 | 411 | 25 | 39 |
| 371 | Mathematics | 20 | 410 | 2801 | 2120 |
| 372 | Cytokine | 11 | 405 | 98 | 180 |
| 373 | Radiation Oncology | 16 | 395 | 73 | 94 |
| 374 | Hemophilia | 26 | 386 | 79 | 107 |
| 375 | Neuroanatomy | 9 | 384 | 58 | 56 |
| 376 | Molecular Pharmacology | 18 | 380 | 207 | 412 |
| 377 | Pharmacogenetics | 24 | 378 | 188 | 396 |
| 378 | Bipolar Disorder | 11 | 374 | 132 | 162 |
| 379 | Psychiatric Nursing | 22 | 373 | 123 | 156 |
| 379 | cardiac catheterization | 29 | 373 | 125 | 175 |
| 381 | Molecular Spectroscopy | 26 | 372 | 483 | 742 |
| 382 | child abuse | 8 | 371 | 450 | 409 |
| 383 | Drug targeting | 14 | 367 | 47 | 113 |
| 384 | Psychosomatic Medicine | 15 | 365 | 259 | 358 |
| 385 | Interferons | 10 | 363 | 66 | 64 |
| 386 | Industrial Microbiology | 18 | 362 | 646 | 1054 |
| 387 | Research Design | 14 | 353 | 427 | 537 |
| 388 | Emergency Medical Services | 30 | 352 | 75 | 146 |
| 389 | Neurovirology | 18 | 347 | 44 | 74 |
| 389 | Mitochondria | 7 | 347 | 81 | 95 |
| 391 | occupational diseases | 16 | 346 | 219 | 344 |
| 392 | Immunohistochemistry | 10 | 344 | 43 | 22 |
| 393 | acupuncture | 25 | 341 | 28 | 7 |
| 394 | Autoantibodies | 14 | 340 | 163 | 275 |
| 395 | Plant Genetics | 1 | 339 | 1030 | 430 |
| 396 | Molecular structure | 19 | 338 | 912 | 1058 |
| 397 | peptides | 15 | 336 | 188 | 178 |
| 398 | Lung Transplantation | 8 | 334 | 194 | 186 |
| 398 | Heart transplantation | 8 | 334 | 194 | 186 |
| 398 | Thorax | 4 | 334 | 292 | 205 |
| 401 | Sexual health | 6 | 330 | 428 | 244 |
| 402 | Computer Science | 24 | 329 | 537 | 672 |
| 403 | Neuropharmacology | 11 | 327 | 229 | 244 |
| 404 | Biomechanics | 28 | 326 | 303 | 607 |
| 405 | Geriatric Oncology | 13 | 322 | 170 | 238 |
| 406 | Otolaryngology | 24 | 318 | 123 | 197 |
| 407 | health behavior | 12 | 310 | 372 | 415 |
| 408 | Computer Graphics | 10 | 309 | 907 | 777 |
| 409 | Technology | 23 | 304 | 1336 | 1787 |
| 410 | Biodiversity | 11 | 303 | 1079 | 1135 |
| 411 | Mycology | 18 | 302 | 562 | 833 |
| 412 | Light | 4 | 297 | 752 | 697 |
| 413 | Music | 25 | 287 | 153 | 262 |
| 413 | Biomolecules | 9 | 287 | 157 | 264 |
| 415 | Public Policy | 6 | 284 | 1165 | 874 |
| 416 | Chemical analysis | 12 | 283 | 455 | 595 |
| 417 | histological techniques | 16 | 282 | 203 | 429 |
| 418 | Pediatric Dermatology | 11 | 280 | 133 | 98 |
| 418 | Histocompatibility Testing | 14 | 280 | 123 | 169 |
| 420 | Attention | 11 | 278 | 721 | 782 |
| 421 | Nutritional support | 2 | 277 | 206 | 93 |
| 422 | Allergies | 19 | 276 | 14 | 39 |
| 423 | Drug design | 20 | 275 | 412 | 816 |
| 424 | Optics | 19 | 274 | 1850 | 1847 |
| 424 | voice | 24 | 274 | 72 | 164 |
| 426 | Developmental Immunology | 9 | 271 | 264 | 321 |
| 427 | Human-Computer Interaction | 4 | 270 | 1308 | 795 |
| 428 | Cell survival | 9 | 268 | 43 | 73 |
| 428 | molecular chaperones | 9 | 268 | 54 | 74 |
| 430 | Membranes | 6 | 267 | 1190 | 1124 |
| 431 | disease susceptibility | 10 | 265 | 1 | 15 |
| 431 | Hearing | 18 | 265 | 206 | 294 |
| 431 | symptoms | 10 | 265 | 1 | 15 |
| 434 | Sociology | 5 | 263 | 2306 | 1455 |
| 435 | Longevity | 17 | 260 | 9 | 58 |
| 436 | nuclear magnetic resonance | 15 | 259 | 430 | 469 |
| 436 | Magnetic Resonance Spectroscopy | 15 | 259 | 487 | 511 |
| 438 | Molecular Microbiology | 11 | 258 | 404 | 656 |
| 438 | Bacterial diseases | 11 | 258 | 38 | 103 |
| 440 | Genetic testing | 25 | 257 | 15 | 44 |
| 441 | Microcirculation | 16 | 254 | 104 | 214 |
| 442 | liver | 19 | 252 | 37 | 102 |
| 443 | Nephrology | 5 | 251 | 333 | 335 |
| 444 | hygiene | 3 | 250 | 493 | 191 |
| 445 | Respiratory Infections | 8 | 248 | 141 | 117 |
| 446 | Combinatorial chemistry | 10 | 247 | 305 | 503 |
| 447 | Microelectronics | 12 | 244 | 851 | 1089 |
| 447 | disease vectors | 8 | 244 | 507 | 518 |
| 449 | Soft Condensed Matter | 3 | 243 | 1018 | 602 |
| 450 | locomotion | 10 | 242 | 284 | 354 |
| 450 | posture | 10 | 242 | 284 | 354 |
| 450 | gait | 10 | 242 | 284 | 354 |
| 450 | walking | 10 | 242 | 284 | 354 |
| 454 | transport vesicles | 5 | 240 | 113 | 319 |
| 455 | Neuroplasticity | 10 | 233 | 44 | 117 |
| 456 | Green Chemistry | 5 | 232 | 1326 | 1343 |
| 456 | energy development | 7 | 232 | 433 | 560 |
| 458 | Infection control | 8 | 231 | 97 | 124 |
| 458 | tomography | 23 | 231 | 53 | 120 |
| 458 | Influenza | 6 | 231 | 109 | 81 |
| 461 | Perception | 11 | 230 | 810 | 935 |
| 462 | breastfeeding | 8 | 228 | 205 | 201 |
| 462 | visualization | 45 | 228 | 252 | 472 |
| 464 | Pacific Islands | 6 | 227 | 145 | 50 |
| 465 | Apoptosis | 13 | 224 | 38 | 103 |
| 465 | neurotoxins | 13 | 224 | 38 | 103 |
| 465 | Neurotoxic agents | 13 | 224 | 38 | 103 |
| 465 | Osteoporosis | 13 | 224 | 67 | 139 |
| 465 | Nerve regeneration | 13 | 224 | 38 | 103 |
| 470 | Contraception | 5 | 223 | 400 | 297 |
| 471 | Synaptic Transmission | 11 | 222 | 173 | 291 |
| 472 | Coronary heart disease | 26 | 221 | 4 | 26 |
| 472 | Speech | 12 | 221 | 402 | 555 |
| 474 | Robotics | 15 | 218 | 721 | 984 |
| 474 | drug addiction | 3 | 218 | 937 | 702 |
| 476 | Memory | 9 | 217 | 864 | 980 |
| 477 | Steroids | 10 | 216 | 434 | 521 |
| 477 | Chronic diseases | 8 | 216 | 344 | 452 |
| 479 | Dentistry | 23 | 215 | 169 | 255 |
| 479 | Speech Disorders | 11 | 215 | 506 | 590 |
| 481 | neuronal plasticity | 7 | 214 | 16 | 73 |
| 482 | Community Psychiatry | 8 | 212 | 470 | 567 |
| 482 | Psychiatric Epidemiology | 8 | 212 | 214 | 330 |
| 484 | Immunogenetics | 24 | 211 | 124 | 336 |
| 485 | System analysis | 13 | 210 | 1137 | 1383 |
| 486 | Mass Spectrometry | 17 | 209 | 424 | 638 |
| 487 | Bacteriology | 6 | 208 | 1183 | 1291 |
| 488 | biomedicine | 9 | 207 | 158 | 297 |
| 489 | amino acids | 13 | 206 | 124 | 339 |
| 490 | Cognition | 15 | 205 | 750 | 1039 |
| 491 | Growth | 7 | 204 | 655 | 898 |
| 492 | Menopause | 11 | 202 | 94 | 131 |
| 493 | Ultrasonics | 17 | 201 | 383 | 916 |
| 494 | Cognitive Science | 20 | 200 | 464 | 1091 |
| 495 | Visual Perception | 7 | 199 | 876 | 883 |
| 496 | glycoproteins | 3 | 198 | 427 | 291 |
| 496 | Glycoconjugates | 3 | 198 | 427 | 291 |
| 496 | gene transfer | 12 | 198 | 52 | 111 |
| 496 | glycolipids | 3 | 198 | 427 | 291 |
| 496 | genetic transformation | 12 | 198 | 52 | 111 |
| 501 | Health Education | 8 | 195 | 1046 | 992 |
| 501 | Oligosaccharide | 2 | 195 | 340 | 221 |
| 501 | Carbohydrates | 2 | 195 | 511 | 279 |
| 504 | Globalization | 5 | 192 | 394 | 294 |
| 504 | Parasites | 11 | 192 | 782 | 918 |
| 504 | international cooperation | 5 | 192 | 406 | 367 |
| 507 | Cybernetics | 7 | 191 | 1033 | 1078 |
| 507 | Toxins | 4 | 191 | 701 | 477 |
| 509 | venom | 3 | 190 | 723 | 421 |
| 510 | Lipid metabolism | 7 | 187 | 186 | 303 |
| 510 | Lipid | 7 | 187 | 186 | 304 |
| 512 | preimplantation genetic diagnosis | 15 | 186 | 93 | 215 |
| 512 | Mental Health Services | 9 | 186 | 591 | 662 |
| 512 | embryo transfer | 15 | 186 | 103 | 223 |
| 515 | Bones | 9 | 185 | 349 | 597 |
| 516 | Chronobiology | 15 | 184 | 95 | 223 |
| 516 | biological clocks | 15 | 184 | 95 | 223 |
| 516 | circadian rhythm | 15 | 184 | 95 | 223 |
| 516 | biological rhythms | 15 | 184 | 90 | 219 |
| 516 | Women's health | 31 | 184 | 203 | 653 |
| 521 | Numerical Analysis | 13 | 183 | 1224 | 1242 |
| 522 | Photochemistry | 6 | 182 | 1191 | 1119 |
| 523 | Gene expression regulation | 16 | 181 | 289 | 622 |
| 524 | Information Systems | 17 | 175 | 409 | 901 |
| 524 | Neuroimaging | 9 | 175 | 117 | 140 |
| 526 | Photobiology | 5 | 174 | 1035 | 920 |
| 527 | older people | 19 | 172 | 524 | 692 |
| 528 | men | 12 | 170 | 48 | 137 |
| 529 | United Kingdom | 7 | 165 | 873 | 986 |
| 530 | Clinical Trials | 23 | 164 | 97 | 243 |
| 530 | Tissue Engineering | 18 | 164 | 41 | 219 |
| 530 | Environmental Geochemistry | 4 | 164 | 430 | 266 |
| 530 | Minerals | 4 | 164 | 652 | 469 |
| 534 | Pediatric Endocrinology | 20 | 163 | 28 | 84 |
| 534 | Foodborne diseases | 2 | 163 | 303 | 136 |
| 536 | Child Development | 15 | 162 | 770 | 1285 |
| 537 | Metabolic disorders in children | 18 | 161 | 24 | 70 |
| 538 | Food additives | 10 | 157 | 501 | 964 |
| 538 | Radioisotopes | 21 | 157 | 272 | 504 |
| 540 | optical instruments | 7 | 156 | 183 | 208 |
| 540 | optical phenomena | 7 | 156 | 41 | 68 |
| 542 | Communication | 5 | 155 | 1576 | 1411 |
| 542 | Pituitary gland | 8 | 155 | 76 | 121 |
| 544 | Medical Anthropology | 3 | 154 | 1147 | 1039 |
| 545 | Analytical Biochemistry | 21 | 153 | 479 | 1143 |
| 546 | dietary supplements | 24 | 152 | 105 | 659 |
| 546 | Heart Failure | 5 | 152 | 246 | 325 |
| 546 | language | 7 | 152 | 497 | 607 |
| 549 | Adolescent Medicine | 9 | 151 | 240 | 598 |
| 550 | Psycholinguistics | 7 | 148 | 595 | 739 |
| 550 | Neurolinguistics | 7 | 148 | 267 | 390 |
| 550 | Biological Systems | 10 | 148 | 158 | 368 |
| 550 | drug abuse | 4 | 148 | 517 | 381 |
| 554 | Post-traumatic stress disorder | 3 | 147 | 706 | 595 |
| 555 | vitamin C | 9 | 146 | 128 | 356 |
| 555 | vitamin E | 9 | 146 | 128 | 356 |
| 557 | Visual Communication | 2 | 144 | 589 | 206 |
| 557 | Image enhancement | 2 | 144 | 463 | 194 |
| 559 | violence | 2 | 141 | 1151 | 741 |
| 560 | Palliative Care | 8 | 140 | 411 | 447 |
| 561 | Environmental Management | 2 | 139 | 3128 | 2682 |
| 561 | health planning | 5 | 139 | 1705 | 1456 |
| 563 | Engineering Mathematics | 10 | 138 | 988 | 1084 |
| 563 | Water pollution | 3 | 138 | 2421 | 2212 |
| 563 | Water | 3 | 138 | 2196 | 2156 |
| 566 | Geophysics | 3 | 136 | 2916 | 2341 |
| 566 | health services accessibility | 6 | 136 | 588 | 626 |
| 566 | disease outbreaks | 5 | 136 | 358 | 449 |
| 566 | Epidemics | 5 | 136 | 339 | 445 |
| 566 | Brain damage | 9 | 136 | 161 | 275 |
| 571 | Chromosomes | 11 | 135 | 407 | 772 |
| 571 | planning | 4 | 135 | 632 | 438 |
| 573 | Cochlear Implants | 4 | 134 | 53 | 31 |
| 573 | Ultrasound | 15 | 134 | 256 | 539 |
| 575 | Atmospheric Chemistry | 2 | 133 | 929 | 834 |
| 575 | Atmospheric Physics | 2 | 133 | 1600 | 1214 |
| 575 | Elderly | 15 | 133 | 471 | 491 |
| 578 | Information Retrieval | 2 | 131 | 599 | 368 |
| 578 | Detectors | 13 | 131 | 660 | 1144 |
| 580 | Mechanical Engineering | 13 | 129 | 1230 | 1430 |
| 580 | Anxiety Disorders | 9 | 129 | 246 | 552 |
| 580 | Anxiety | 9 | 129 | 247 | 554 |
| 580 | heredity | 12 | 129 | 236 | 414 |
| 580 | family violence | 1 | 129 | 736 | 391 |
| 585 | Ethnology | 5 | 128 | 1121 | 806 |
| 586 | Laser therapy | 19 | 127 | 82 | 205 |
| 587 | Pharmaceutical Technology | 14 | 125 | 637 | 1256 |
| 587 | Smoking | 6 | 125 | 460 | 645 |
| 587 | mathematical concepts | 9 | 125 | 155 | 191 |
| 590 | Neuromuscular diseases | 11 | 124 | 242 | 452 |
| 590 | calcification | 9 | 124 | 235 | 427 |
| 592 | Circadian rhythms | 4 | 123 | 246 | 295 |
| 593 | Blood vessels | 11 | 121 | 111 | 303 |
| 594 | Telemedicine | 5 | 119 | 177 | 255 |
| 594 | Flexible electronics | 3 | 119 | 66 | 104 |
| 594 | Gene expression | 10 | 119 | 76 | 226 |
| 597 | RNA | 3 | 118 | 471 | 490 |
| 598 | Substance Abuse | 7 | 117 | 832 | 997 |
| 598 | feeding behavior | 5 | 117 | 518 | 685 |
| 600 | Appetite | 4 | 116 | 520 | 630 |
| 601 | Clinical Laboratory Science | 11 | 114 | 41 | 103 |
| 601 | scientific societies | 7 | 114 | 388 | 562 |
| 603 | Radiation | 29 | 111 | 558 | 1476 |
| 604 | Cerebellum | 9 | 110 | 100 | 256 |
| 604 | Cerebellar ataxia | 9 | 110 | 100 | 256 |
| 606 | Social Sciences | 2 | 109 | 3861 | 2245 |
| 606 | economic policy | 2 | 109 | 2577 | 1451 |
| 608 | Depression | 8 | 108 | 144 | 440 |
| 608 | Ion channels | 7 | 108 | 29 | 78 |
| 610 | Systems Engineering | 5 | 107 | 1729 | 1710 |
| 611 | General Surgery | 7 | 106 | 322 | 337 |
| 612 | Ultrasonic Imaging | 13 | 105 | 158 | 420 |
| 613 | Plant tissue culture | 5 | 104 | 518 | 650 |
| 613 | Probiotics | 1 | 104 | 428 | 143 |
| 613 | Plant cell culture | 5 | 104 | 451 | 640 |
| 616 | Organometallic chemistry | 6 | 103 | 1583 | 1583 |
| 617 | Pharmacokinetics | 10 | 102 | 336 | 812 |
| 618 | Pancreatic diseases | 7 | 101 | 173 | 269 |
| 619 | Economics | 1 | 100 | 4458 | 2693 |
| 619 | Sustainable Development | 2 | 100 | 2447 | 1984 |
| 619 | Social policy | 2 | 100 | 1253 | 736 |
| 619 | Microscopy | 9 | 100 | 714 | 965 |
| 619 | lasers | 5 | 100 | 1682 | 1578 |
| 619 | Autism | 7 | 100 | 410 | 697 |
| 619 | Economic planning | 1 | 100 | 947 | 465 |
| 619 | Zoonoses | 1 | 100 | 561 | 272 |
| 627 | Clinical Psychology | 4 | 98 | 946 | 1084 |
| 627 | Phytotherapy | 6 | 98 | 338 | 657 |
| 629 | urban health | 1 | 97 | 453 | 245 |
| 629 | mass transfer | 3 | 97 | 1633 | 1571 |
| 629 | Health promotion | 5 | 97 | 833 | 872 |
| 632 | Molecular evolution | 4 | 95 | 1196 | 1513 |
| 632 | Nutrigenomics | 4 | 95 | 50 | 110 |
| 634 | Electrochemistry | 7 | 94 | 2486 | 2689 |
| 635 | Sustainable Engineering | 3 | 93 | 1580 | 1666 |
| 635 | Comparative Physiology | 3 | 93 | 734 | 760 |
| 635 | Erectile dysfunction | 1 | 93 | 406 | 196 |
| 635 | Fluorescence spectroscopy | 8 | 93 | 97 | 178 |
| 635 | Organ transplantation | 12 | 93 | 122 | 203 |
| 640 | Genetic epidemiology | 2 | 91 | 268 | 221 |
| 640 | Functional foods | 11 | 91 | 89 | 368 |
| 640 | Hearing Aids | 9 | 91 | 80 | 140 |
| 640 | Screening | 4 | 91 | 119 | 132 |
| 640 | disabilities | 5 | 91 | 490 | 587 |
| 645 | Vaccination | 6 | 90 | 108 | 238 |
| 646 | Pediatric Hematology | 13 | 89 | 97 | 179 |
| 646 | biological evolution | 4 | 89 | 1600 | 1981 |
| 648 | Regeneration | 7 | 87 | 21 | 56 |
| 648 | Genetic markers | 9 | 87 | 45 | 192 |
| 650 | Organometallic compounds | 4 | 86 | 1167 | 1151 |
| 651 | Telecommunication | 2 | 84 | 2787 | 2113 |
| 651 | eugenics | 7 | 84 | 264 | 473 |
| 653 | Plants | 2 | 83 | 2154 | 1881 |
| 653 | Plant cells | 2 | 83 | 1067 | 1364 |
| 655 | Functional Genomics | 3 | 82 | 231 | 346 |
| 656 | Nanochemistry | 9 | 80 | 613 | 1237 |
| 656 | Geriatric Nursing | 10 | 80 | 189 | 348 |
| 656 | Economic Development | 1 | 80 | 2253 | 1560 |
| 656 | Measurement | 8 | 80 | 787 | 1262 |
| 656 | sustainability | 1 | 80 | 1445 | 1086 |
| 661 | Genetic disorders | 4 | 79 | 325 | 416 |
| 661 | embryonic development | 6 | 79 | 232 | 432 |
| 661 | Nitric oxide | 5 | 79 | 125 | 333 |
| 664 | Immunotoxicology | 10 | 77 | 59 | 250 |
| 664 | Informatics | 5 | 77 | 622 | 844 |
| 666 | Language Disorders | 5 | 76 | 633 | 746 |
| 667 | Health Services Administration | 5 | 75 | 687 | 927 |
| 667 | Cognitive Therapy | 4 | 75 | 502 | 605 |
| 667 | Japan | 8 | 75 | 1013 | 1459 |
| 670 | Bioenergetics | 3 | 74 | 817 | 955 |
| 670 | Pharmacogenomics | 5 | 74 | 158 | 331 |
| 670 | Neuroendocrinology | 2 | 74 | 159 | 265 |
| 670 | Developmental Disabilities | 4 | 74 | 794 | 1072 |
| 670 | rejuvenation | 4 | 74 | 75 | 170 |
| 670 | Consciousness | 3 | 74 | 485 | 469 |
| 676 | Electromagnetic fields | 1 | 73 | 724 | 133 |
| 677 | Liquid Crystals | 3 | 72 | 892 | 576 |
| 678 | Occupational Health | 5 | 71 | 756 | 883 |
| 678 | Health insurance | 8 | 71 | 191 | 406 |
| 678 | psychotherapy | 4 | 71 | 1020 | 1139 |
| 681 | Animal welfare | 6 | 70 | 127 | 301 |
| 681 | particles | 5 | 70 | 757 | 1060 |
| 683 | Pathogens | 1 | 69 | 245 | 108 |
| 683 | Trace elements | 6 | 69 | 127 | 401 |
| 685 | Atomic spectroscopy | 2 | 68 | 1293 | 1018 |
| 686 | Sonochemistry | 2 | 67 | 816 | 1079 |
| 686 | ethanol | 3 | 67 | 479 | 507 |
| 688 | Respiratory Therapy | 5 | 66 | 9 | 24 |
| 688 | gases | 5 | 66 | 9 | 24 |
| 690 | Regenerative Medicine | 5 | 65 | 70 | 128 |
| 690 | personality | 4 | 65 | 1247 | 1668 |
| 692 | Oral Pathology | 5 | 64 | 36 | 118 |
| 692 | Cell migration | 5 | 64 | 22 | 149 |
| 692 | Cell adhesion | 5 | 64 | 73 | 228 |
| 692 | cell movement | 5 | 64 | 148 | 354 |
| 696 | Biomass Energy | 3 | 63 | 2273 | 2745 |
| 696 | Patient education | 3 | 63 | 531 | 697 |
| 696 | mutation | 5 | 63 | 396 | 732 |
| 696 | counseling | 4 | 63 | 1058 | 1196 |
| 696 | Antigens | 15 | 63 | 266 | 732 |
| 696 | Growth factors | 5 | 63 | 140 | 478 |
| 702 | Radiologic Technology | 6 | 62 | 63 | 92 |
| 702 | Interventional Radiology | 6 | 62 | 63 | 92 |
| 702 | Interventional Radiography | 6 | 62 | 63 | 92 |
| 702 | air quality | 4 | 62 | 124 | 288 |
| 702 | Endoscopic Surgery | 6 | 62 | 63 | 92 |
| 702 | Bacteria | 1 | 62 | 540 | 538 |
| 702 | Chemical industry | 6 | 62 | 885 | 1209 |
| 709 | Sports Medicine | 15 | 61 | 1066 | 1972 |
| 709 | Mutagenesis | 5 | 61 | 240 | 434 |
| 709 | cycles | 11 | 61 | 31 | 86 |
| 712 | Statistical physics | 7 | 60 | 2156 | 2809 |
| 713 | Social Psychology | 3 | 59 | 2079 | 2239 |
| 713 | Electrocardiography | 6 | 59 | 188 | 254 |
| 715 | air quality management | 7 | 58 | 238 | 695 |
| 715 | Hypertension in pregnancy | 3 | 58 | 164 | 139 |
| 715 | Fuzzy systems | 3 | 58 | 1734 | 1495 |
| 718 | Antiviral agents | 10 | 57 | 99 | 333 |
| 718 | primary prevention | 1 | 57 | 707 | 522 |
| 720 | human development | 6 | 56 | 548 | 1019 |
| 721 | Catalysis | 4 | 54 | 2645 | 3170 |
| 721 | Geriatric Pharmacology | 2 | 54 | 300 | 352 |
| 721 | Plant Biotechnology | 2 | 54 | 915 | 942 |
| 721 | Plant genetic engineering | 2 | 54 | 986 | 1136 |
| 721 | Travel | 8 | 54 | 356 | 825 |
| 726 | blood substitutes | 4 | 53 | 46 | 65 |
| 726 | artificial cells | 4 | 53 | 72 | 78 |
| 728 | Lymphoma | 3 | 52 | 320 | 272 |
| 728 | Multiple Myeloma | 3 | 52 | 314 | 263 |
| 728 | DNA methylation | 5 | 52 | 158 | 455 |
| 731 | Anti-inflammatory agents | 4 | 51 | 169 | 324 |
| 731 | Structure-activity relationship | 2 | 51 | 310 | 336 |
| 733 | hospice care | 5 | 50 | 353 | 545 |
| 733 | Atherosclerosis | 2 | 50 | 193 | 258 |
| 733 | Cerebrospinal fluid | 5 | 50 | 63 | 193 |
| 736 | Biopharmaceutics | 5 | 49 | 767 | 1329 |
| 736 | Exercise | 7 | 49 | 911 | 1476 |
| 738 | Enzyme inhibitors | 3 | 48 | 388 | 582 |
| 738 | Genetic translocation | 2 | 48 | 254 | 299 |
| 738 | plasmids | 2 | 48 | 254 | 299 |
| 741 | enzymes | 6 | 47 | 987 | 1732 |
| 742 | Industrial Engineering | 5 | 46 | 1367 | 2071 |
| 742 | mental health policy | 1 | 46 | 323 | 254 |
| 742 | musculoskeletal system | 8 | 46 | 42 | 221 |
| 745 | Automation | 2 | 45 | 2357 | 2419 |
| 745 | Systems Analysis | 1 | 45 | 1823 | 1353 |
| 747 | Industry | 1 | 44 | 431 | 584 |
| 747 | Primates | 5 | 44 | 518 | 802 |
| 749 | Nuclear Physics | 4 | 43 | 3053 | 3312 |
| 749 | Precision medicine | 3 | 43 | 180 | 236 |
| 749 | Cell surface receptors | 4 | 43 | 72 | 143 |
| 752 | Urban Policy | 1 | 42 | 1412 | 1237 |
| 752 | Nanophotonics | 1 | 42 | 558 | 536 |
| 752 | Terahertz Technology | 1 | 42 | 293 | 254 |
| 752 | Biodegradation | 1 | 42 | 1304 | 1230 |
| 752 | Biofilms | 2 | 42 | 205 | 373 |
| 752 | Water Microbiology | 1 | 42 | 875 | 724 |
| 752 | city planning | 1 | 42 | 2346 | 1860 |
| 752 | investigative techniques | 1 | 42 | 306 | 340 |
| 752 | Fouling | 1 | 42 | 451 | 429 |
| 752 | Disease | 5 | 42 | 199 | 633 |
| 762 | Ceramics | 4 | 41 | 1262 | 1533 |
| 762 | Microbial Biotechnology | 4 | 41 | 851 | 1532 |
| 762 | Energy metabolism | 1 | 41 | 796 | 771 |
| 762 | Eating Disorders | 7 | 41 | 487 | 1031 |
| 762 | Feeding and Eating Disorders | 7 | 41 | 469 | 996 |
| 767 | Mathematical Physics | 3 | 40 | 2644 | 2555 |
| 767 | health workforce | 2 | 40 | 221 | 392 |
| 767 | Cardiac electrophysiology | 3 | 40 | 199 | 359 |
| 767 | arrhythmia | 3 | 40 | 199 | 359 |
| 771 | Quality Control | 2 | 39 | 2035 | 2304 |
| 771 | Radiopharmaceuticals | 6 | 39 | 173 | 239 |
| 771 | Amyotrophic Lateral Sclerosis | 5 | 39 | 143 | 353 |
| 771 | Frontotemporal lobar degeneration | 5 | 39 | 112 | 268 |
| 771 | food handling | 2 | 39 | 1120 | 1555 |
| 771 | Adipose tissue | 6 | 39 | 13 | 120 |
| 777 | Genetic Toxicology | 4 | 38 | 327 | 794 |
| 777 | Behavioral research | 6 | 38 | 325 | 769 |
| 777 | Plant breeding | 4 | 38 | 614 | 997 |
| 777 | Androgens | 1 | 38 | 358 | 375 |
| 777 | Breeding | 4 | 38 | 958 | 1461 |
| 782 | Developmental Psychology | 3 | 37 | 986 | 1295 |
| 782 | food industry | 4 | 37 | 629 | 1089 |
| 784 | Plasma chemistry | 4 | 36 | 304 | 572 |
| 784 | sex differences | 4 | 36 | 78 | 281 |
| 786 | management | 3 | 35 | 3163 | 3762 |
| 786 | animal diseases | 2 | 35 | 597 | 736 |
| 786 | hydrocolloids | 1 | 35 | 981 | 1245 |
| 786 | pigments | 2 | 35 | 1076 | 1292 |
| 790 | internet | 4 | 34 | 1375 | 2049 |
| 790 | Birth control | 3 | 34 | 412 | 746 |
| 792 | big data | 6 | 33 | 322 | 958 |
| 792 | Cardiopulmonary Resuscitation | 7 | 33 | 67 | 138 |
| 792 | cardiac arrest | 7 | 33 | 67 | 138 |
| 795 | Cognitive neuroscience | 6 | 32 | 651 | 1319 |
| 795 | Access to Information | 5 | 32 | 71 | 451 |
| 795 | Reproductive toxicology | 6 | 32 | 218 | 748 |
| 795 | Sexuality | 2 | 32 | 390 | 424 |
| 795 | homosexuality | 1 | 32 | 710 | 639 |
| 795 | Earth Sciences | 6 | 32 | 2269 | 3439 |
| 795 | Information dissemination | 5 | 32 | 71 | 451 |
| 802 | Genetic databases | 2 | 31 | 42 | 37 |
| 802 | Personality Disorders | 1 | 31 | 434 | 441 |
| 802 | Drug discovery | 4 | 31 | 157 | 445 |
| 805 | Zoology | 4 | 30 | 2085 | 2581 |
| 805 | Genetic Research | 4 | 30 | 103 | 301 |
| 805 | monitoring | 6 | 30 | 127 | 380 |
| 805 | Physical fitness | 3 | 30 | 990 | 1439 |
| 805 | sports injuries | 8 | 30 | 245 | 786 |
| 810 | Solid State Physics | 4 | 29 | 2976 | 3570 |
| 810 | Philosophy of Mind | 1 | 29 | 509 | 387 |
| 810 | moral development | 1 | 29 | 252 | 262 |
| 810 | Ferroelectricity | 2 | 29 | 1176 | 1068 |
| 810 | Multimedia Systems | 6 | 29 | 1297 | 2197 |
| 810 | Sound | 2 | 29 | 1236 | 1197 |
| 810 | Radio | 2 | 29 | 1518 | 1712 |
| 810 | Autonomous robots | 1 | 29 | 328 | 374 |
| 810 | Radio frequency | 2 | 29 | 522 | 702 |
| 819 | Industrial Safety | 4 | 28 | 1022 | 1666 |
| 819 | Extracellular matrix | 1 | 28 | 366 | 493 |
| 819 | Synapses | 3 | 28 | 239 | 468 |
| 819 | Stress | 3 | 28 | 264 | 593 |
| 819 | collagen | 1 | 28 | 389 | 507 |
| 824 | Preoperative Care | 5 | 27 | 26 | 125 |
| 824 | perioperative care | 5 | 27 | 26 | 125 |
| 824 | Synchrotron Radiation | 3 | 27 | 357 | 519 |
| 827 | Serology | 2 | 26 | 614 | 888 |
| 827 | DNA repair | 4 | 26 | 208 | 519 |
| 827 | Personality Assessment | 1 | 26 | 806 | 939 |
| 827 | Jurisprudence | 2 | 26 | 1058 | 1128 |
| 831 | Endocrine glands | 2 | 25 | 299 | 591 |
| 831 | Magnetic Materials | 1 | 25 | 1987 | 1896 |
| 831 | Synthetic biology | 1 | 25 | 505 | 574 |
| 831 | Magnetism | 1 | 25 | 314 | 137 |
| 835 | Biochemical Genetics | 7 | 24 | 195 | 576 |
| 835 | Physical Chemistry | 3 | 24 | 1974 | 2613 |
| 835 | Raman spectroscopy | 1 | 24 | 1299 | 1298 |
| 835 | psychophysics | 2 | 24 | 444 | 516 |
| 839 | biobanks | 3 | 23 | 97 | 230 |
| 839 | Composite Materials | 4 | 23 | 2173 | 3261 |
| 839 | food contamination | 1 | 23 | 1735 | 1626 |
| 839 | Protein folding | 3 | 23 | 80 | 195 |
| 839 | immunoassay | 1 | 23 | 430 | 345 |
| 839 | Suicide | 1 | 23 | 898 | 927 |
| 839 | prions | 3 | 23 | 61 | 169 |
| 846 | Nanomedicine | 2 | 22 | 302 | 660 |
| 846 | Mechatronics | 4 | 22 | 771 | 1452 |
| 846 | Nuclear Chemistry | 3 | 22 | 1088 | 1322 |
| 846 | Radiochemistry | 3 | 22 | 985 | 1212 |
| 846 | teratogenic agents | 3 | 22 | 199 | 477 |
| 846 | plasma | 3 | 22 | 104 | 179 |
| 852 | Food Safety | 2 | 21 | 373 | 608 |
| 852 | Technological Innovations | 4 | 21 | 901 | 1800 |
| 854 | Neurogenetics | 3 | 20 | 254 | 544 |
| 854 | Climate change | 1 | 20 | 1397 | 1871 |
| 856 | Altitude Sickness | 1 | 19 | 261 | 277 |
| 856 | Crystallography | 5 | 19 | 1317 | 1632 |
| 856 | Calorimetry | 4 | 19 | 1079 | 1837 |
| 856 | Altitude | 1 | 19 | 261 | 277 |
| 856 | Safety management | 2 | 19 | 806 | 1095 |
| 856 | mental processes | 2 | 19 | 436 | 559 |
| 856 | Fungi | 1 | 19 | 1425 | 1596 |
| 856 | pharmaceutical industry | 3 | 19 | 553 | 1056 |
| 856 | synthesis | 1 | 19 | 1650 | 1497 |
| 856 | diseases | 2 | 19 | 396 | 717 |
| 856 | Thermal analysis | 4 | 19 | 1079 | 1837 |
| 867 | Viticulture | 1 | 18 | 218 | 256 |
| 867 | Online social networks | 1 | 18 | 630 | 675 |
| 867 | mental health promotion | 1 | 18 | 292 | 374 |
| 867 | Sports | 3 | 18 | 1927 | 2425 |
| 867 | Echocardiography | 3 | 18 | 80 | 231 |
| 867 | Luminescence | 2 | 18 | 1637 | 2008 |
| 867 | Learning | 2 | 18 | 1358 | 1911 |
| 867 | weight loss | 1 | 18 | 266 | 313 |
| 867 | Heterocyclic compounds | 1 | 18 | 1509 | 1375 |
| 867 | Metals | 2 | 18 | 2185 | 2545 |
| 877 | Hydrodynamics | 2 | 17 | 660 | 1023 |
| 877 | Bioinorganic chemistry | 3 | 17 | 1336 | 2088 |
| 877 | blood transfusion | 3 | 17 | 511 | 812 |
| 880 | Internet of Things | 3 | 16 | 1078 | 1837 |
| 880 | Animal husbandry | 1 | 16 | 500 | 607 |
| 880 | patents | 1 | 16 | 174 | 207 |
| 880 | Lymphatic system | 2 | 16 | 104 | 208 |
| 880 | Korea | 1 | 16 | 706 | 590 |
| 880 | chromatin | 1 | 16 | 262 | 415 |
| 880 | livestock | 1 | 16 | 763 | 816 |
| 880 | World Wide Web | 1 | 16 | 829 | 718 |
| 888 | Alkaloids | 1 | 15 | 57 | 96 |
| 888 | Cognitive Behavioral Therapy | 1 | 15 | 261 | 327 |
| 888 | behavior therapy | 1 | 15 | 1133 | 1289 |
| 891 | Forensic Genetics | 1 | 14 | 414 | 539 |
| 891 | Optical Communications | 1 | 14 | 1211 | 1244 |
| 891 | Bioprinting | 3 | 14 | 37 | 196 |
| 891 | protein | 3 | 14 | 1088 | 1736 |
| 891 | dissociative disorders | 1 | 14 | 225 | 333 |
| 896 | Musicology | 1 | 13 | 411 | 356 |
| 896 | Oceanography | 1 | 13 | 2084 | 2397 |
| 896 | Metallurgy | 1 | 13 | 2724 | 2735 |
| 896 | Pediatric Rheumatology | 4 | 13 | 159 | 423 |
| 896 | Wireless Communication Systems | 1 | 13 | 2950 | 3057 |
| 896 | X-ray crystallography | 4 | 13 | 456 | 793 |
| 896 | Plasma polymerization | 1 | 13 | 447 | 569 |
| 896 | Mitochondrial DNA | 2 | 13 | 276 | 387 |
| 896 | Electroconvulsive therapy | 3 | 13 | 88 | 237 |
| 905 | Environmental Chemistry | 3 | 12 | 2018 | 3439 |
| 905 | Plastics | 2 | 12 | 1897 | 2491 |
| 905 | animals | 1 | 12 | 1790 | 1940 |
| 905 | Social support | 1 | 12 | 291 | 453 |
| 905 | Social environment | 1 | 12 | 308 | 468 |
| 905 | Aggression | 1 | 12 | 811 | 1070 |
| 911 | Electrical Engineering | 2 | 11 | 3247 | 3548 |
| 911 | Computational Intelligence | 3 | 11 | 677 | 1419 |
| 911 | Electron Microscopy | 2 | 11 | 490 | 748 |
| 911 | Freeze-Drying | 2 | 11 | 466 | 850 |
| 911 | Hypothermia | 2 | 11 | 466 | 850 |
| 911 | Freeze Drying | 2 | 11 | 466 | 850 |
| 911 | Minority Health | 7 | 11 | 8 | 265 |
| 911 | Imaging systems | 7 | 11 | 433 | 1398 |
| 911 | Soviet Union | 3 | 11 | 683 | 1096 |
| 911 | women | 1 | 11 | 1471 | 1427 |
| 921 | Dietetics | 1 | 10 | 868 | 1035 |
| 921 | Obsessive-Compulsive Disorder | 2 | 10 | 134 | 256 |
| 921 | Scanning electron microscopy | 1 | 10 | 297 | 402 |
| 924 | Humanities | 1 | 9 | 3086 | 3131 |
| 924 | Linguistics | 1 | 9 | 1895 | 1901 |
| 924 | Geriatric Medicine | 1 | 9 | 321 | 512 |
| 924 | Functional Analysis | 1 | 9 | 1895 | 1954 |
| 924 | Economic History | 1 | 9 | 4068 | 4124 |
| 924 | Photography | 2 | 9 | 1217 | 1028 |
| 924 | Morphology | 4 | 9 | 757 | 1437 |
| 924 | Veterinary Immunology | 1 | 9 | 550 | 763 |
| 924 | Physical organic chemistry | 1 | 9 | 1908 | 2236 |
| 924 | Nonlinear functional analysis | 1 | 9 | 1716 | 1890 |
| 924 | Qualitative Research | 1 | 9 | 880 | 1114 |
| 924 | Brachytherapy | 1 | 9 | 290 | 343 |
| 924 | Massage therapy | 5 | 9 | 34 | 41 |
| 924 | mathematical analysis | 1 | 9 | 3042 | 2956 |
| 924 | Human biology | 1 | 9 | 1045 | 1293 |
| 939 | Psychoanalysis | 1 | 8 | 569 | 493 |
| 939 | monoclonal antibodies | 2 | 8 | 323 | 609 |
| 939 | Solitons | 1 | 8 | 1861 | 2227 |
| 939 | Traditional medicine | 2 | 8 | 256 | 692 |
| 939 | Fractals | 1 | 8 | 1869 | 2232 |
| 939 | Chaos | 1 | 8 | 1861 | 2227 |
| 939 | Solutions | 1 | 8 | 700 | 860 |
| 939 | Antibodies | 2 | 8 | 609 | 1035 |
| 939 | Africa | 2 | 8 | 1848 | 2478 |
| 939 | Social work | 1 | 8 | 2045 | 2309 |
| 939 | Flow cytometry | 1 | 8 | 536 | 770 |
| 950 | Ergonomics | 3 | 7 | 876 | 1694 |
| 950 | Dynamics | 2 | 7 | 1910 | 2598 |
| 950 | Crystallization | 3 | 7 | 497 | 915 |
| 950 | Speech Perception | 2 | 7 | 424 | 806 |
| 950 | auditory perception | 2 | 7 | 517 | 945 |
| 950 | Feasibility studies | 1 | 7 | 440 | 560 |
| 950 | adolescence | 1 | 7 | 1443 | 1920 |
| 950 | Marriage | 1 | 7 | 872 | 1206 |
| 950 | Entropy | 1 | 7 | 1905 | 2274 |
| 950 | Family | 1 | 7 | 1488 | 1944 |
| 950 | families | 1 | 7 | 1367 | 1643 |
| 950 | Oral communication | 2 | 7 | 552 | 1023 |
| 950 | Youth | 1 | 7 | 1086 | 1516 |
| 950 | Familial diseases | 1 | 7 | 296 | 491 |
| 964 | Animal Biotechnology | 1 | 6 | 329 | 539 |
| 964 | Developmental Genetics | 1 | 6 | 646 | 925 |
| 964 | Nonlinear Dynamics | 1 | 6 | 2309 | 2757 |
| 964 | Simulation Methods | 1 | 6 | 1747 | 2160 |
| 964 | Emulsions | 1 | 6 | 735 | 1048 |
| 964 | biological monitoring | 1 | 6 | 884 | 1372 |
| 964 | antibiotics | 2 | 6 | 291 | 749 |
| 971 | Geography | 1 | 5 | 2723 | 3378 |
| 971 | Materials Engineering | 1 | 5 | 1309 | 1725 |
| 971 | Nondestructive testing | 1 | 5 | 1088 | 1435 |
| 971 | Solid State Chemistry | 1 | 5 | 3053 | 3600 |
| 971 | Medical Ethics | 1 | 5 | 1626 | 2027 |
| 971 | Microfluidics | 1 | 5 | 407 | 661 |
| 971 | Mechanics | 1 | 5 | 1924 | 2272 |
| 971 | fishing industry | 1 | 5 | 243 | 438 |
| 971 | prostaglandins | 1 | 5 | 622 | 911 |
| 971 | textile fibers | 1 | 5 | 798 | 1142 |
| 971 | Liquid chromatography | 2 | 5 | 635 | 1164 |
| 971 | Fisheries | 1 | 5 | 2146 | 2644 |
| 983 | Criminology | 1 | 4 | 1342 | 1679 |
| 983 | Food Science | 2 | 4 | 289 | 845 |
| 983 | Pediatric Ophthalmology | 1 | 4 | 105 | 156 |
| 983 | Dialysis | 4 | 4 | 74 | 219 |
| 983 | patient satisfaction | 1 | 4 | 275 | 424 |
| 983 | Hemodialysis | 4 | 4 | 34 | 76 |
| 983 | Electrochemical Analysis | 1 | 4 | 2142 | 2725 |
| 983 | Strabismus | 1 | 4 | 105 | 156 |
| 983 | Family Therapy | 1 | 4 | 1146 | 1597 |
| 983 | child mental health | 1 | 4 | 789 | 1210 |
| 983 | Communication in medicine | 1 | 4 | 881 | 1315 |
| 983 | Communication Disorders | 2 | 4 | 392 | 722 |
| 983 | Information management | 1 | 4 | 191 | 413 |
| 983 | Fibers | 1 | 4 | 209 | 300 |
| 983 | Bereavement | 1 | 4 | 402 | 635 |
| 998 | Genetic Counseling | 1 | 3 | 335 | 552 |
| 998 | Statistics | 2 | 3 | 2630 | 3579 |
| 998 | Paleontology | 1 | 3 | 1665 | 2115 |