| 1 | Medicine | 1,738 | 50.5K | 169 | 302 |
| 2 | Molecular Biology | 1,142 | 40.0K | 193 | 353 |
| 3 | Cancer | 724 | 33.2K | 57 | 95 |
| 4 | Science | 885 | 31.7K | 355 | 681 |
| 5 | Biology | 864 | 31.3K | 349 | 689 |
| 6 | Biochemistry | 1,224 | 28.5K | 300 | 521 |
| 7 | Research | 962 | 26.6K | 232 | 320 |
| 8 | Chemistry | 613 | 23.5K | 646 | 709 |
| 9 | Cytology | 686 | 22.5K | 127 | 318 |
| 10 | Pharmacology | 913 | 22.4K | 98 | 171 |
| 11 | Biocompatible Materials | 558 | 20.8K | 93 | 163 |
| 12 | Nanotechnology | 534 | 19.8K | 209 | 310 |
| 13 | Physics | 299 | 18.9K | 1080 | 1066 |
| 14 | Cell death | 332 | 18.7K | 13 | 26 |
| 15 | Cell Biology | 558 | 17.3K | 143 | 391 |
| 16 | Biophysics | 650 | 15.8K | 192 | 288 |
| 17 | transport vesicles | 33 | 15.5K | 10 | 31 |
| 18 | Neurology | 514 | 15.1K | 309 | 504 |
| 19 | Microbiology | 398 | 14.1K | 396 | 543 |
| 20 | Oncology | 305 | 13.2K | 47 | 140 |
| 21 | Materials | 361 | 11.4K | 498 | 595 |
| 22 | Biotechnology | 405 | 11.3K | 214 | 480 |
| 23 | Medical Oncology | 246 | 9.3K | 82 | 103 |
| 24 | Immunology | 263 | 9.2K | 236 | 373 |
| 25 | Virology | 192 | 9.1K | 257 | 450 |
| 26 | Biomedical Engineering | 372 | 8.2K | 171 | 319 |
| 27 | Analytical Chemistry | 281 | 7.1K | 262 | 379 |
| 28 | Immunotherapy | 311 | 7.0K | 22 | 139 |
| 29 | Nutrition | 290 | 7.0K | 193 | 351 |
| 30 | Toxicology | 388 | 6.8K | 144 | 403 |
| 31 | nanoscience | 136 | 6.7K | 282 | 311 |
| 32 | Pathology | 170 | 6.4K | 157 | 214 |
| 33 | Bioengineering | 234 | 6.3K | 242 | 517 |
| 34 | Physiology | 230 | 6.1K | 322 | 440 |
| 35 | Liver diseases | 144 | 5.9K | 94 | 193 |
| 36 | Materials Science | 173 | 5.7K | 533 | 609 |
| 37 | Psychiatry | 129 | 5.5K | 514 | 545 |
| 38 | cytokines | 243 | 5.4K | 14 | 20 |
| 39 | Environmental Health | 224 | 5.3K | 358 | 646 |
| 40 | Oncogenes | 96 | 5.2K | 97 | 152 |
| 41 | Cell differentiation | 138 | 5.2K | 120 | 278 |
| 42 | Pharmaceutical Chemistry | 245 | 5.1K | 220 | 394 |
| 43 | Signal Transduction | 119 | 5.1K | 51 | 76 |
| 44 | Immunopharmacology | 239 | 4.8K | 14 | 16 |
| 45 | Pollution | 203 | 4.8K | 462 | 869 |
| 46 | Medical Physics | 201 | 4.6K | 101 | 166 |
| 47 | Public Health | 234 | 4.5K | 384 | 617 |
| 48 | Inflammation | 84 | 4.5K | 20 | 14 |
| 49 | Ecology | 82 | 4.4K | 1216 | 1131 |
| 50 | Metabolism | 165 | 4.4K | 250 | 463 |
| 51 | Diagnostic Imaging | 171 | 4.3K | 76 | 122 |
| 52 | free radicals | 117 | 4.1K | 45 | 127 |
| 53 | Neurochemistry | 152 | 4.0K | 200 | 309 |
| 54 | Human genetics | 46 | 3.8K | 547 | 900 |
| 55 | Mental Disorders | 53 | 3.7K | 552 | 452 |
| 56 | Pharmacognosy | 172 | 3.7K | 38 | 115 |
| 57 | Clinical Chemistry | 172 | 3.5K | 169 | 354 |
| 58 | Chemical Engineering | 148 | 3.5K | 648 | 879 |
| 59 | Medical genetics | 98 | 3.5K | 431 | 592 |
| 60 | Nanobiotechnology | 119 | 3.5K | 5 | 13 |
| 61 | Biochemical Engineering | 150 | 3.5K | 282 | 739 |
| 62 | Hematology | 371 | 3.4K | 169 | 552 |
| 63 | Diabetes | 105 | 3.4K | 247 | 360 |
| 64 | environmental protection | 142 | 3.3K | 190 | 373 |
| 65 | nucleic acids | 60 | 3.2K | 289 | 434 |
| 66 | Oxidation-reduction | 69 | 3.2K | 28 | 73 |
| 67 | Endocrinology | 84 | 3.1K | 504 | 653 |
| 68 | Epidemiology | 172 | 3.1K | 292 | 485 |
| 69 | Environment | 54 | 3.1K | 1127 | 1188 |
| 70 | Optical materials | 74 | 3.0K | 412 | 435 |
| 71 | Image Processing | 66 | 3.0K | 339 | 292 |
| 72 | Herbal medicine | 122 | 3.0K | 13 | 18 |
| 73 | Brain | 108 | 3.0K | 378 | 499 |
| 74 | Oxidative stress | 65 | 3.0K | 20 | 39 |
| 75 | Microbial Ecology | 45 | 2.9K | 488 | 461 |
| 76 | Medicinal plants | 145 | 2.9K | 27 | 88 |
| 77 | environmental pollution | 99 | 2.9K | 603 | 800 |
| 78 | Immunity | 72 | 2.9K | 299 | 570 |
| 79 | Diabetes mellitus | 80 | 2.9K | 277 | 383 |
| 80 | Nanostructures | 96 | 2.8K | 97 | 272 |
| 81 | Environmental monitoring | 85 | 2.7K | 456 | 616 |
| 82 | Radiography | 76 | 2.7K | 85 | 145 |
| 83 | Natural history | 13 | 2.6K | 1946 | 1906 |
| 84 | Genetic engineering | 146 | 2.5K | 73 | 317 |
| 85 | Biosensors | 69 | 2.4K | 95 | 184 |
| 86 | Nanostructured Materials | 87 | 2.4K | 529 | 634 |
| 87 | Neurophysiology | 88 | 2.4K | 469 | 692 |
| 87 | cell physiology | 76 | 2.4K | 166 | 298 |
| 89 | China | 128 | 2.4K | 233 | 220 |
| 90 | Bioorganic chemistry | 158 | 2.3K | 165 | 469 |
| 91 | Nanoparticles | 77 | 2.3K | 178 | 249 |
| 92 | Metabolic diseases | 63 | 2.2K | 419 | 627 |
| 93 | carcinogens | 64 | 2.2K | 65 | 102 |
| 94 | Bioelectronics | 58 | 2.2K | 83 | 175 |
| 95 | Genetics | 107 | 2.2K | 511 | 1068 |
| 96 | Environmental Toxicology | 128 | 2.2K | 101 | 384 |
| 97 | Environmental Engineering | 61 | 2.2K | 654 | 726 |
| 98 | Bioinformatics | 81 | 2.1K | 216 | 408 |
| 99 | Kidney diseases | 72 | 2.1K | 79 | 100 |
| 100 | Computer Vision | 46 | 2.1K | 166 | 214 |
| 101 | Food | 82 | 2.1K | 347 | 500 |
| 102 | Colloids | 87 | 2.1K | 683 | 908 |
| 103 | Stem cells | 110 | 2.0K | 93 | 291 |
| 104 | Environmental pollutants | 128 | 2.0K | 85 | 283 |
| 105 | miniaturization | 24 | 1.9K | 596 | 481 |
| 106 | Surgery | 50 | 1.9K | 364 | 595 |
| 107 | biological evolution | 10 | 1.9K | 1112 | 551 |
| 108 | Surface Chemistry | 81 | 1.9K | 729 | 904 |
| 109 | Medical Microbiology | 59 | 1.9K | 390 | 568 |
| 110 | Microelectronics | 15 | 1.8K | 853 | 448 |
| 111 | Diet | 84 | 1.8K | 242 | 495 |
| 112 | Reproduction | 118 | 1.8K | 216 | 425 |
| 113 | Geriatrics | 89 | 1.8K | 391 | 500 |
| 114 | cell interaction | 96 | 1.8K | 22 | 93 |
| 115 | Molecular evolution | 13 | 1.8K | 640 | 310 |
| 116 | Genomics | 102 | 1.7K | 355 | 677 |
| 117 | genome | 37 | 1.7K | 326 | 472 |
| 118 | pollutants | 105 | 1.7K | 84 | 282 |
| 119 | Engineering | 106 | 1.7K | 440 | 575 |
| 120 | Host-parasite interactions | 25 | 1.7K | 340 | 390 |
| 121 | Aging | 88 | 1.7K | 379 | 541 |
| 122 | Orthopedics | 131 | 1.7K | 102 | 261 |
| 123 | Environmental Policy | 39 | 1.7K | 739 | 782 |
| 123 | Environmental Law | 39 | 1.7K | 161 | 246 |
| 125 | arthritis | 57 | 1.7K | 196 | 340 |
| 126 | Drug delivery systems | 57 | 1.6K | 143 | 287 |
| 126 | Nervous system | 93 | 1.6K | 293 | 666 |
| 128 | Hypertension | 55 | 1.6K | 311 | 551 |
| 129 | Obstetrics | 134 | 1.6K | 220 | 448 |
| 130 | Drug design | 51 | 1.6K | 136 | 183 |
| 131 | environmental exposure | 104 | 1.6K | 70 | 247 |
| 132 | Recombinant DNA | 100 | 1.6K | 51 | 208 |
| 133 | proteins | 58 | 1.6K | 318 | 405 |
| 134 | Signal Processing | 52 | 1.6K | 571 | 607 |
| 135 | Parasitic Diseases | 56 | 1.6K | 243 | 306 |
| 136 | Polymers | 60 | 1.5K | 1205 | 1177 |
| 137 | Systems Biology | 61 | 1.5K | 149 | 177 |
| 137 | Carcinogenesis | 39 | 1.5K | 145 | 166 |
| 139 | Agricultural Chemistry | 50 | 1.5K | 418 | 449 |
| 140 | Cardiovascular system | 32 | 1.5K | 440 | 588 |
| 141 | Digestive system diseases | 62 | 1.5K | 92 | 109 |
| 142 | Antioxidants | 35 | 1.5K | 58 | 152 |
| 143 | mutagens | 34 | 1.5K | 133 | 164 |
| 144 | Parenteral nutrition | 48 | 1.5K | 123 | 225 |
| 145 | Neurons | 8 | 1.5K | 386 | 435 |
| 146 | Parasitology | 61 | 1.5K | 340 | 360 |
| 147 | drug resistance | 39 | 1.4K | 38 | 42 |
| 148 | Pharmacy | 55 | 1.4K | 333 | 383 |
| 148 | actuators | 54 | 1.4K | 357 | 499 |
| 148 | transducers | 54 | 1.4K | 357 | 499 |
| 151 | Nephrology | 21 | 1.4K | 161 | 118 |
| 152 | Organic Chemistry | 97 | 1.4K | 450 | 805 |
| 153 | histological techniques | 34 | 1.4K | 88 | 104 |
| 154 | Bacterial infections | 26 | 1.4K | 135 | 240 |
| 155 | Alternative Medicine | 65 | 1.4K | 93 | 137 |
| 156 | Orthopedic Surgery | 106 | 1.4K | 18 | 75 |
| 157 | Computational Biology | 57 | 1.3K | 413 | 676 |
| 158 | Critical Care | 32 | 1.3K | 382 | 551 |
| 159 | Critical Care Medicine | 27 | 1.3K | 451 | 557 |
| 160 | Histology | 63 | 1.3K | 259 | 451 |
| 161 | complementary therapies | 60 | 1.3K | 117 | 154 |
| 162 | Genetic therapy | 51 | 1.2K | 142 | 264 |
| 163 | Bone diseases | 22 | 1.2K | 75 | 120 |
| 164 | Cell cycle | 44 | 1.2K | 15 | 27 |
| 164 | cell proliferation | 44 | 1.2K | 16 | 27 |
| 166 | Parasites | 45 | 1.1K | 214 | 249 |
| 167 | Neuropsychology | 43 | 1.1K | 509 | 589 |
| 168 | food technology | 46 | 1.1K | 468 | 590 |
| 169 | disease vectors | 45 | 1.1K | 95 | 131 |
| 170 | Evidence-Based Medicine | 38 | 1.1K | 63 | 40 |
| 171 | biological factors | 57 | 1.1K | 187 | 381 |
| 172 | natural products | 63 | 1.1K | 151 | 299 |
| 173 | Developmental Biology | 36 | 1.1K | 514 | 745 |
| 174 | Leukemia | 27 | 1.1K | 337 | 404 |
| 175 | Pharmacogenetics | 29 | 1.1K | 201 | 228 |
| 176 | mycoses | 23 | 1.1K | 154 | 288 |
| 176 | Medical innovations | 25 | 1.1K | 208 | 453 |
| 178 | Molecular cloning | 74 | 1.1K | 75 | 279 |
| 179 | Environmental Microbiology | 21 | 1.1K | 383 | 434 |
| 180 | Clinical Pharmacology | 34 | 1.0K | 292 | 275 |
| 181 | Genetic recombination | 72 | 1.0K | 72 | 283 |
| 182 | Enteral nutrition | 39 | 1.0K | 96 | 236 |
| 183 | Obesity | 47 | 1.0K | 390 | 632 |
| 184 | Thrombosis | 27 | 1.0K | 292 | 303 |
| 185 | Microorganisms | 18 | 993 | 295 | 329 |
| 186 | Cell metabolism | 24 | 983 | 119 | 399 |
| 187 | viruses | 29 | 973 | 440 | 613 |
| 188 | gastrointestinal tract | 26 | 968 | 22 | 54 |
| 189 | Lipids | 57 | 961 | 126 | 389 |
| 190 | soil microbiology | 18 | 959 | 544 | 576 |
| 191 | Rheumatology | 36 | 947 | 235 | 397 |
| 192 | Vaccines | 58 | 946 | 292 | 501 |
| 193 | drug evaluation | 41 | 942 | 149 | 181 |
| 194 | Cardiovascular diseases | 98 | 941 | 135 | 422 |
| 195 | Molecular Spectroscopy | 39 | 910 | 295 | 283 |
| 196 | Spectrum analysis | 67 | 903 | 988 | 1498 |
| 197 | Cell communication | 54 | 901 | 11 | 69 |
| 198 | Anatomy | 39 | 892 | 444 | 580 |
| 199 | gene mapping | 51 | 891 | 314 | 742 |
| 200 | Europe | 47 | 888 | 662 | 744 |
| 201 | Chromosome mapping | 50 | 882 | 271 | 615 |
| 201 | infection | 33 | 882 | 389 | 534 |
| 203 | drugs | 46 | 881 | 373 | 512 |
| 204 | Surface-Active Agents | 35 | 880 | 116 | 221 |
| 204 | Surface properties | 35 | 880 | 126 | 243 |
| 204 | Immune system | 25 | 880 | 273 | 587 |
| 207 | Urology | 55 | 870 | 369 | 603 |
| 208 | Pharmaceutical Technology | 38 | 857 | 248 | 381 |
| 209 | Egypt | 49 | 852 | 29 | 45 |
| 210 | Nuclear Medicine | 37 | 846 | 212 | 292 |
| 211 | Medical Technology | 54 | 836 | 142 | 348 |
| 212 | Psychopharmacology | 17 | 824 | 638 | 636 |
| 213 | Radiobiology | 38 | 817 | 350 | 500 |
| 214 | Immunochemistry | 44 | 809 | 97 | 169 |
| 215 | Dermatology | 102 | 789 | 183 | 537 |
| 216 | Therapeutics | 30 | 788 | 446 | 634 |
| 217 | Oral Medicine | 74 | 775 | 17 | 34 |
| 218 | Genetic regulation | 29 | 773 | 253 | 497 |
| 219 | Gerontology | 41 | 760 | 404 | 448 |
| 220 | drug therapy | 36 | 758 | 623 | 798 |
| 221 | vascular diseases | 13 | 750 | 283 | 269 |
| 222 | Neurobiology | 24 | 749 | 618 | 838 |
| 223 | Gastrointestinal diseases | 46 | 740 | 18 | 63 |
| 224 | Embryology | 32 | 735 | 420 | 690 |
| 224 | Virulence | 17 | 735 | 435 | 611 |
| 226 | Molecular Pharmacology | 28 | 733 | 137 | 255 |
| 227 | Health Policy | 29 | 727 | 593 | 639 |
| 227 | Homeostasis | 9 | 727 | 220 | 490 |
| 229 | Clinical Immunology | 27 | 719 | 279 | 336 |
| 230 | Psychology | 44 | 706 | 1157 | 1547 |
| 230 | Clinical Biochemistry | 29 | 706 | 265 | 336 |
| 232 | Pharmacokinetics | 28 | 702 | 123 | 205 |
| 232 | Diagnostic microbiology | 12 | 702 | 594 | 677 |
| 234 | Respiration | 46 | 699 | 274 | 544 |
| 234 | Pregnancy | 62 | 699 | 51 | 168 |
| 236 | Food Microbiology | 25 | 695 | 282 | 474 |
| 237 | Disease | 4 | 682 | 261 | 462 |
| 238 | Mental illness | 31 | 679 | 522 | 908 |
| 239 | enzymes | 6 | 675 | 1132 | 515 |
| 240 | Hormones | 19 | 668 | 452 | 479 |
| 240 | Tropical Medicine | 27 | 668 | 432 | 387 |
| 242 | Immunopathology | 33 | 661 | 316 | 480 |
| 242 | Molecular Imaging | 24 | 661 | 171 | 256 |
| 244 | polymerization | 32 | 659 | 1437 | 1528 |
| 245 | diseases | 3 | 646 | 319 | 480 |
| 246 | Bones | 25 | 639 | 187 | 348 |
| 247 | software | 30 | 634 | 133 | 281 |
| 247 | pigments | 30 | 634 | 139 | 174 |
| 249 | Nanomedicine | 10 | 626 | 37 | 24 |
| 249 | Emerging infectious diseases | 25 | 626 | 29 | 67 |
| 251 | Sleep | 53 | 619 | 255 | 521 |
| 252 | Ophthalmology | 70 | 616 | 294 | 718 |
| 253 | Sleep Disorders | 51 | 611 | 266 | 522 |
| 253 | cloning | 19 | 611 | 157 | 351 |
| 255 | Fluorescence spectroscopy | 15 | 602 | 58 | 37 |
| 255 | Psychophysiology | 20 | 602 | 1124 | 1286 |
| 257 | Mycology | 32 | 601 | 372 | 596 |
| 258 | Electronics | 30 | 596 | 1243 | 1280 |
| 259 | Cellular senescence | 8 | 595 | 75 | 107 |
| 260 | Socioeconomic Factors | 31 | 594 | 98 | 172 |
| 261 | Spine | 35 | 593 | 127 | 294 |
| 262 | Artificial Intelligence | 34 | 586 | 1099 | 1474 |
| 263 | Drug targeting | 20 | 578 | 28 | 61 |
| 264 | Developmental Immunology | 11 | 572 | 215 | 162 |
| 265 | Chromatographic analysis | 58 | 565 | 223 | 500 |
| 266 | Genes | 32 | 556 | 182 | 305 |
| 267 | Cytogenetics | 29 | 546 | 374 | 842 |
| 268 | DNS | 30 | 544 | 35 | 108 |
| 268 | DNA | 30 | 544 | 34 | 87 |
| 270 | kidney | 6 | 541 | 35 | 14 |
| 271 | Jurisprudence | 45 | 537 | 101 | 205 |
| 272 | drug development | 10 | 532 | 500 | 670 |
| 273 | dietary supplements | 34 | 517 | 65 | 207 |
| 274 | Electrophoresis | 47 | 509 | 219 | 581 |
| 275 | occupational diseases | 13 | 508 | 308 | 285 |
| 276 | Neuroimmunology | 19 | 500 | 171 | 350 |
| 277 | Physical organic chemistry | 28 | 497 | 315 | 453 |
| 278 | Pediatrics | 42 | 494 | 572 | 1241 |
| 278 | Cerebral cortex | 16 | 494 | 357 | 465 |
| 280 | Infections | 18 | 491 | 384 | 613 |
| 281 | Magnetic Materials | 12 | 490 | 861 | 608 |
| 282 | Diagnosis | 32 | 489 | 41 | 50 |
| 282 | biomedicine | 19 | 489 | 99 | 149 |
| 284 | United States | 25 | 488 | 1744 | 1950 |
| 285 | Asia | 39 | 479 | 503 | 662 |
| 285 | Behavior | 25 | 479 | 1059 | 1686 |
| 287 | Neuropharmacology | 8 | 478 | 325 | 194 |
| 288 | sanitation | 18 | 469 | 613 | 1065 |
| 289 | gene therapy | 30 | 463 | 222 | 589 |
| 290 | Chromatography | 41 | 448 | 251 | 534 |
| 291 | Integrative Medicine | 38 | 446 | 31 | 41 |
| 292 | biochemical markers | 29 | 437 | 40 | 92 |
| 293 | Andrology | 21 | 431 | 133 | 186 |
| 294 | Medical Laboratory Science | 37 | 428 | 470 | 1237 |
| 295 | Neurosurgery | 27 | 425 | 236 | 467 |
| 296 | Health | 33 | 423 | 486 | 883 |
| 297 | Botany | 26 | 421 | 1445 | 2069 |
| 298 | Psychoneuroimmunology | 17 | 420 | 154 | 365 |
| 299 | Proteome | 15 | 414 | 476 | 669 |
| 299 | Quality of life | 21 | 414 | 397 | 697 |
| 301 | Muscles | 12 | 412 | 379 | 440 |
| 302 | Sarcopenia | 10 | 408 | 126 | 207 |
| 303 | Electrochemistry | 19 | 403 | 1871 | 1813 |
| 304 | Travel | 7 | 402 | 468 | 209 |
| 305 | fertility | 14 | 399 | 447 | 605 |
| 306 | Optics | 13 | 398 | 2683 | 1840 |
| 307 | Infertility | 13 | 397 | 431 | 577 |
| 308 | Photonics | 24 | 395 | 720 | 1101 |
| 309 | Growth factors | 4 | 394 | 232 | 180 |
| 310 | Industrial Microbiology | 24 | 393 | 525 | 1079 |
| 311 | Proteomics | 28 | 386 | 213 | 613 |
| 311 | Autoimmunity | 15 | 386 | 258 | 429 |
| 313 | Cytokine | 5 | 380 | 288 | 226 |
| 314 | Sexual health | 15 | 377 | 249 | 255 |
| 315 | poverty | 17 | 373 | 50 | 91 |
| 315 | healthcare disparities | 17 | 373 | 136 | 138 |
| 317 | Psychosomatic Medicine | 12 | 368 | 329 | 405 |
| 318 | Biomarkers | 23 | 367 | 34 | 63 |
| 319 | Forensic Genetics | 20 | 366 | 47 | 92 |
| 320 | Laser therapy | 46 | 364 | 20 | 63 |
| 321 | Water pollution | 8 | 359 | 1879 | 1703 |
| 322 | Cell survival | 10 | 357 | 45 | 58 |
| 322 | molecular chaperones | 10 | 357 | 52 | 58 |
| 324 | human behavior | 14 | 354 | 1049 | 1621 |
| 324 | Luminescence | 20 | 354 | 365 | 386 |
| 326 | Primary health care | 28 | 352 | 426 | 671 |
| 327 | Respiratory system | 22 | 351 | 133 | 261 |
| 328 | Cybernetics | 2 | 347 | 1963 | 810 |
| 329 | preventive medicine | 21 | 346 | 353 | 649 |
| 330 | Long-Term Care | 11 | 341 | 235 | 305 |
| 330 | Hemodynamics | 15 | 341 | 260 | 452 |
| 330 | Long-term care facilities | 11 | 341 | 232 | 305 |
| 330 | Metabolic syndrome | 32 | 341 | 9 | 34 |
| 334 | ovary | 28 | 340 | 11 | 32 |
| 335 | medical education | 28 | 331 | 468 | 725 |
| 336 | Autoimmune diseases | 15 | 320 | 192 | 356 |
| 337 | Biometrics | 8 | 314 | 655 | 490 |
| 338 | Tissue Engineering | 19 | 313 | 42 | 145 |
| 338 | Composite Materials | 14 | 313 | 1357 | 1719 |
| 338 | Autoantibodies | 14 | 313 | 182 | 324 |
| 341 | Hematopoietic stem cell transplantation | 11 | 311 | 138 | 251 |
| 342 | nuclear magnetic resonance | 17 | 308 | 438 | 506 |
| 342 | Magnetic Resonance Spectroscopy | 17 | 308 | 468 | 514 |
| 344 | Health Services Research | 32 | 301 | 371 | 777 |
| 345 | Hemostasis | 12 | 296 | 356 | 361 |
| 345 | cell adhesion molecules | 7 | 296 | 56 | 118 |
| 347 | Astrocytes | 6 | 294 | 311 | 385 |
| 347 | Ethnology | 5 | 294 | 1068 | 436 |
| 349 | Antibacterial agents | 17 | 293 | 154 | 383 |
| 350 | anesthesia | 31 | 290 | 48 | 79 |
| 351 | vitamin C | 13 | 288 | 75 | 214 |
| 351 | vitamin E | 13 | 288 | 75 | 214 |
| 353 | Food additives | 15 | 285 | 427 | 736 |
| 354 | Combinatorial chemistry | 9 | 284 | 402 | 551 |
| 355 | Chemotherapy | 11 | 283 | 719 | 808 |
| 355 | Gene expression regulation | 18 | 283 | 307 | 627 |
| 357 | Randomized Controlled Trials | 35 | 281 | 186 | 384 |
| 357 | Metals | 11 | 281 | 1197 | 1235 |
| 359 | Catalysis | 14 | 280 | 1960 | 2372 |
| 359 | Reproductive health | 18 | 280 | 224 | 370 |
| 361 | rehabilitation | 22 | 278 | 708 | 1267 |
| 362 | Nursing | 34 | 269 | 379 | 669 |
| 363 | Allergy | 9 | 266 | 715 | 1097 |
| 363 | Women's health | 34 | 266 | 206 | 572 |
| 365 | Nuclear Engineering | 7 | 265 | 1201 | 665 |
| 365 | Neural circuitry | 17 | 265 | 764 | 1153 |
| 367 | Bacteriology | 8 | 260 | 1205 | 1454 |
| 367 | Growth | 11 | 260 | 563 | 989 |
| 369 | calcification | 16 | 255 | 158 | 322 |
| 370 | Biopharmaceutics | 18 | 252 | 341 | 721 |
| 371 | Microbial Biotechnology | 12 | 251 | 290 | 474 |
| 371 | Cell surface receptors | 10 | 251 | 22 | 19 |
| 373 | Cell division | 17 | 245 | 61 | 249 |
| 374 | Histochemistry | 17 | 243 | 340 | 548 |
| 375 | Reproductive toxicology | 11 | 237 | 140 | 263 |
| 376 | Emergency Medicine | 16 | 236 | 562 | 643 |
| 377 | Global Health | 18 | 234 | 316 | 422 |
| 377 | Radiation Oncology | 18 | 234 | 67 | 189 |
| 379 | Radioisotopes | 15 | 232 | 455 | 445 |
| 380 | health services accessibility | 17 | 230 | 301 | 470 |
| 381 | Semiconductors | 1 | 225 | 3159 | 1040 |
| 381 | Cross-Cultural Studies | 17 | 225 | 147 | 299 |
| 383 | Bioinorganic chemistry | 10 | 224 | 756 | 819 |
| 384 | Data Mining | 16 | 222 | 524 | 1089 |
| 384 | X-rays | 31 | 222 | 66 | 227 |
| 386 | RNA | 7 | 220 | 310 | 409 |
| 386 | Decision making | 12 | 220 | 603 | 784 |
| 388 | Water | 5 | 216 | 2035 | 2072 |
| 389 | brain mapping | 8 | 215 | 376 | 551 |
| 390 | Chemical analysis | 15 | 214 | 403 | 757 |
| 390 | Transplantation | 13 | 214 | 552 | 935 |
| 392 | Mathematics | 21 | 210 | 2634 | 2688 |
| 392 | Geriatric Psychiatry | 14 | 210 | 394 | 624 |
| 394 | Respiratory Infections | 4 | 209 | 331 | 186 |
| 394 | cross-cultural comparison | 16 | 209 | 118 | 212 |
| 394 | Influenza | 4 | 209 | 218 | 127 |
| 397 | Child | 21 | 208 | 862 | 1472 |
| 398 | Animal Behavior | 9 | 204 | 1076 | 1439 |
| 399 | toxicity testing | 21 | 202 | 114 | 439 |
| 400 | amino acids | 8 | 201 | 252 | 362 |
| 401 | Biodiversity | 13 | 199 | 987 | 1543 |
| 402 | Industrial Engineering | 6 | 198 | 1317 | 1201 |
| 402 | Technology | 10 | 198 | 2392 | 2602 |
| 402 | animal diseases | 8 | 198 | 254 | 262 |
| 405 | Automation | 1 | 196 | 3186 | 1571 |
| 405 | Ethology | 8 | 196 | 886 | 1272 |
| 405 | risk factors | 10 | 196 | 346 | 486 |
| 408 | Molecular Genetics | 12 | 192 | 906 | 1506 |
| 409 | Molecular structure | 21 | 191 | 849 | 1600 |
| 410 | Neuropsychiatry | 8 | 190 | 484 | 575 |
| 410 | Radiation | 39 | 190 | 451 | 1242 |
| 412 | Osteoporosis | 5 | 185 | 232 | 179 |
| 413 | Child Development | 8 | 183 | 1170 | 1426 |
| 414 | Hemophilia | 14 | 180 | 178 | 266 |
| 415 | Audiology | 8 | 178 | 457 | 519 |
| 415 | Analytical Biochemistry | 26 | 178 | 419 | 1219 |
| 417 | peptides | 13 | 177 | 255 | 384 |
| 418 | gene transfer | 15 | 176 | 41 | 156 |
| 418 | genetic transformation | 15 | 176 | 41 | 156 |
| 420 | Radiology | 18 | 175 | 583 | 856 |
| 421 | Evolutionary Genetics | 15 | 170 | 132 | 443 |
| 421 | Molecular Epidemiology | 15 | 170 | 132 | 443 |
| 423 | preimplantation genetic diagnosis | 10 | 169 | 198 | 283 |
| 423 | embryo transfer | 10 | 169 | 213 | 294 |
| 425 | Biomechanics | 13 | 168 | 568 | 980 |
| 426 | Alzheimer's disease | 10 | 166 | 867 | 896 |
| 427 | Insects | 10 | 165 | 754 | 888 |
| 428 | Ultrasonics | 12 | 163 | 538 | 1049 |
| 429 | Serology | 1 | 162 | 954 | 286 |
| 430 | Solid State Chemistry | 6 | 158 | 1935 | 1675 |
| 431 | food industry | 10 | 157 | 262 | 304 |
| 432 | Hippocampus | 2 | 155 | 366 | 319 |
| 433 | behavioral medicine | 10 | 154 | 639 | 1189 |
| 434 | Microcirculation | 9 | 153 | 201 | 333 |
| 435 | Parkinson's disease | 10 | 148 | 77 | 199 |
| 436 | Mental Health | 9 | 147 | 893 | 1090 |
| 436 | Bioremediation | 5 | 147 | 589 | 681 |
| 436 | Biodegradation | 5 | 147 | 549 | 637 |
| 439 | Heart Failure | 3 | 146 | 425 | 441 |
| 440 | Aquaculture | 5 | 144 | 1138 | 1053 |
| 441 | hydrocolloids | 6 | 143 | 438 | 744 |
| 442 | Solid State Physics | 5 | 140 | 3082 | 2627 |
| 442 | cardiac catheterization | 9 | 140 | 459 | 515 |
| 444 | Environmental Chemistry | 5 | 137 | 1749 | 2116 |
| 445 | Chromosomes | 15 | 136 | 365 | 924 |
| 446 | Green Chemistry | 3 | 135 | 1766 | 1799 |
| 446 | Sustainable Engineering | 3 | 135 | 1702 | 1508 |
| 448 | Erectile dysfunction | 6 | 134 | 154 | 184 |
| 449 | Access to Information | 5 | 132 | 62 | 169 |
| 449 | big data | 5 | 132 | 395 | 397 |
| 449 | Information dissemination | 5 | 132 | 62 | 169 |
| 452 | Sports Medicine | 13 | 130 | 1161 | 1667 |
| 452 | Biomolecules | 8 | 130 | 210 | 509 |
| 452 | biopolymers | 8 | 130 | 742 | 999 |
| 455 | Antiviral agents | 8 | 129 | 160 | 260 |
| 455 | hygiene | 8 | 129 | 242 | 414 |
| 457 | Biofilms | 4 | 126 | 104 | 160 |
| 457 | Sonochemistry | 7 | 126 | 313 | 741 |
| 457 | Informatics | 5 | 126 | 684 | 721 |
| 460 | Developmental Genetics | 4 | 123 | 456 | 719 |
| 461 | Nutrition physiology | 4 | 121 | 643 | 712 |
| 462 | Emergency Medical Services | 5 | 119 | 518 | 443 |
| 463 | Genetic Research | 9 | 118 | 42 | 111 |
| 463 | Adolescent | 16 | 118 | 822 | 1623 |
| 465 | Gene library | 1 | 117 | 188 | 104 |
| 466 | Mental Health Services | 4 | 116 | 1124 | 1024 |
| 467 | Magnetic Resonance Imaging | 6 | 113 | 325 | 410 |
| 467 | Adipose tissue | 5 | 113 | 26 | 39 |
| 469 | Ceramic materials | 2 | 112 | 1685 | 1095 |
| 470 | Dementia | 4 | 111 | 1302 | 974 |
| 471 | blood transfusion | 10 | 110 | 373 | 570 |
| 471 | Fluorescence | 8 | 110 | 173 | 231 |
| 473 | Population Genetics | 1 | 109 | 1855 | 1283 |
| 473 | Molecular ecology | 1 | 109 | 1652 | 1326 |
| 475 | Genetic testing | 15 | 107 | 49 | 158 |
| 476 | Organometallic chemistry | 4 | 106 | 1869 | 1484 |
| 476 | Electrochemical Analysis | 4 | 106 | 1380 | 1334 |
| 478 | Teratology | 3 | 105 | 275 | 293 |
| 478 | Schizophrenia | 8 | 105 | 665 | 1111 |
| 478 | Geriatric Oncology | 8 | 105 | 317 | 660 |
| 478 | abnormalities | 3 | 105 | 171 | 188 |
| 478 | United Kingdom | 6 | 105 | 1125 | 1582 |
| 478 | Plants | 8 | 105 | 1311 | 1955 |
| 484 | Antigens | 14 | 104 | 363 | 842 |
| 485 | Computer Science | 8 | 102 | 1278 | 1452 |
| 485 | Marine Biology | 3 | 102 | 2535 | 2364 |
| 485 | Marine Pollution | 3 | 102 | 1319 | 1340 |
| 485 | musculoskeletal system | 5 | 102 | 91 | 147 |
| 485 | Membranes | 6 | 102 | 1323 | 1924 |
| 490 | Radiologic Technology | 11 | 100 | 33 | 78 |
| 490 | Interventional Radiology | 11 | 100 | 33 | 78 |
| 490 | Interventional Radiography | 11 | 100 | 33 | 78 |
| 490 | Endoscopic Surgery | 11 | 100 | 33 | 78 |
| 490 | Electrophysiology | 13 | 100 | 488 | 889 |
| 490 | Entomology | 8 | 100 | 1480 | 1617 |
| 496 | Immunotoxicology | 8 | 99 | 102 | 216 |
| 496 | plant molecular biology | 8 | 99 | 943 | 1803 |
| 498 | Psychiatric Nursing | 3 | 97 | 666 | 503 |
| 498 | pain | 10 | 97 | 738 | 1432 |
| 500 | Anxiety Disorders | 11 | 96 | 224 | 735 |
| 500 | Anxiety | 11 | 96 | 225 | 733 |
| 500 | internet | 7 | 96 | 1013 | 1412 |
| 503 | Depression | 10 | 95 | 139 | 554 |
| 503 | monoclonal antibodies | 6 | 95 | 161 | 276 |
| 503 | Multimedia Systems | 4 | 95 | 1666 | 1418 |
| 506 | bioluminescence | 9 | 93 | 116 | 176 |
| 506 | Antibodies | 10 | 93 | 322 | 699 |
| 508 | Nanochemistry | 11 | 91 | 511 | 1112 |
| 508 | Internet of Things | 6 | 91 | 781 | 1123 |
| 508 | Extracellular matrix | 3 | 91 | 245 | 392 |
| 508 | collagen | 3 | 91 | 264 | 401 |
| 512 | data collection | 9 | 89 | 552 | 1296 |
| 513 | Biogeochemistry | 1 | 88 | 1701 | 1344 |
| 513 | Probiotics | 5 | 88 | 68 | 153 |
| 515 | Functional Analysis | 1 | 87 | 1730 | 881 |
| 515 | Nonlinear functional analysis | 1 | 87 | 1584 | 829 |
| 515 | Globalization | 2 | 87 | 736 | 508 |
| 515 | mathematical analysis | 1 | 87 | 2885 | 1490 |
| 515 | international cooperation | 2 | 87 | 766 | 627 |
| 520 | protein | 8 | 86 | 766 | 1234 |
| 520 | viral genetics | 1 | 86 | 527 | 630 |
| 522 | General Surgery | 4 | 85 | 550 | 496 |
| 522 | Photochemistry | 5 | 85 | 1349 | 1675 |
| 522 | visualization | 30 | 85 | 378 | 885 |
| 522 | Steroids | 8 | 85 | 597 | 1023 |
| 526 | Artificial Organs | 7 | 84 | 417 | 538 |
| 526 | Malaria | 2 | 84 | 902 | 775 |
| 528 | Electrical Engineering | 7 | 83 | 2531 | 2390 |
| 528 | Physical Therapy | 4 | 83 | 1201 | 1428 |
| 528 | Pediatric Neurology | 3 | 83 | 1016 | 1510 |
| 528 | Algorithms | 1 | 83 | 1202 | 516 |
| 528 | DNA methylation | 6 | 83 | 149 | 440 |
| 528 | phototherapy | 3 | 83 | 116 | 27 |
| 534 | health behavior | 10 | 82 | 471 | 1012 |
| 534 | Endocrine glands | 1 | 82 | 507 | 519 |
| 534 | liver | 8 | 82 | 132 | 306 |
| 534 | Insect biochemistry | 4 | 82 | 383 | 551 |
| 538 | Statistics | 10 | 81 | 1557 | 2024 |
| 538 | Neonatology | 3 | 81 | 645 | 638 |
| 538 | immunoassay | 6 | 81 | 93 | 99 |
| 541 | Fungi | 6 | 80 | 744 | 1184 |
| 542 | Biochemical Genetics | 10 | 79 | 138 | 255 |
| 542 | Synaptic Transmission | 7 | 79 | 295 | 585 |
| 542 | Neuroplasticity | 3 | 79 | 236 | 345 |
| 542 | Pancreatic diseases | 6 | 79 | 243 | 376 |
| 546 | Developmental Neurobiology | 7 | 78 | 270 | 547 |
| 546 | Autism | 5 | 78 | 529 | 878 |
| 548 | Information Technology | 6 | 77 | 1822 | 2242 |
| 548 | Educational Technology | 6 | 77 | 1060 | 1439 |
| 548 | rare diseases | 13 | 77 | 226 | 755 |
| 548 | Chronic diseases | 4 | 77 | 606 | 921 |
| 552 | Tribology | 2 | 75 | 1540 | 1220 |
| 552 | Telemedicine | 2 | 75 | 471 | 445 |
| 552 | Quality Control | 3 | 75 | 1878 | 1861 |
| 552 | food handling | 3 | 75 | 903 | 1165 |
| 556 | Cellulose | 2 | 74 | 813 | 782 |
| 556 | catalytic activity | 7 | 74 | 382 | 736 |
| 558 | Physical Chemistry | 2 | 73 | 2501 | 2184 |
| 558 | drug toxicity | 2 | 73 | 639 | 585 |
| 560 | Light | 2 | 72 | 1152 | 1278 |
| 561 | pain management | 6 | 71 | 422 | 674 |
| 562 | Lipid metabolism | 2 | 70 | 562 | 637 |
| 562 | Lipid | 2 | 70 | 563 | 639 |
| 562 | Blood vessels | 6 | 70 | 211 | 452 |
| 562 | health planning | 7 | 70 | 1458 | 2124 |
| 566 | acupuncture | 10 | 69 | 86 | 85 |
| 567 | Oral Pathology | 5 | 68 | 37 | 108 |
| 567 | transgenic organisms | 2 | 68 | 380 | 422 |
| 567 | Plant genetic engineering | 2 | 68 | 1157 | 1235 |
| 567 | transgenic animals | 2 | 68 | 365 | 411 |
| 567 | Animal welfare | 7 | 68 | 123 | 356 |
| 567 | Transgenic plants | 2 | 68 | 641 | 716 |
| 573 | Contraception | 5 | 66 | 473 | 760 |
| 573 | locomotion | 2 | 66 | 792 | 741 |
| 573 | posture | 2 | 66 | 792 | 741 |
| 573 | gait | 2 | 66 | 792 | 741 |
| 573 | sports injuries | 5 | 66 | 429 | 547 |
| 573 | walking | 2 | 66 | 792 | 741 |
| 579 | Medical Imaging | 5 | 65 | 258 | 352 |
| 579 | Food preferences | 7 | 65 | 210 | 541 |
| 579 | Birth control | 4 | 65 | 386 | 639 |
| 582 | Clinical Psychology | 2 | 64 | 1434 | 1466 |
| 582 | neuronal plasticity | 2 | 64 | 136 | 241 |
| 584 | Computer Graphics | 7 | 63 | 1208 | 1801 |
| 584 | Information Systems | 6 | 63 | 965 | 1607 |
| 584 | Community Psychiatry | 3 | 63 | 1014 | 1266 |
| 584 | Regenerative Medicine | 6 | 63 | 64 | 138 |
| 584 | Infection control | 7 | 63 | 131 | 497 |
| 589 | Neurotoxicology | 5 | 62 | 409 | 846 |
| 589 | Immunogenetics | 12 | 62 | 283 | 843 |
| 589 | Mitochondria | 5 | 62 | 144 | 425 |
| 589 | tomography | 9 | 62 | 176 | 384 |
| 593 | Functional Genomics | 2 | 61 | 366 | 516 |
| 593 | Renewable Energy Sources | 3 | 61 | 2781 | 3713 |
| 593 | System analysis | 7 | 61 | 1565 | 2402 |
| 596 | Radiopharmaceuticals | 3 | 60 | 382 | 248 |
| 596 | multimedia | 1 | 60 | 902 | 718 |
| 596 | Interactive multimedia | 1 | 60 | 1043 | 773 |
| 599 | Zoology | 6 | 59 | 1888 | 2412 |
| 599 | Enzyme inhibitors | 4 | 59 | 289 | 477 |
| 599 | Histocompatibility Testing | 4 | 59 | 435 | 622 |
| 599 | Screening | 5 | 59 | 108 | 233 |
| 599 | Zeolites | 2 | 59 | 1165 | 1286 |
| 599 | lasers | 7 | 59 | 1627 | 2153 |
| 605 | Sociology | 3 | 58 | 3011 | 3129 |
| 606 | Freeze-Drying | 4 | 57 | 316 | 488 |
| 606 | Substance Abuse | 3 | 57 | 1444 | 1619 |
| 606 | Hypothermia | 4 | 57 | 316 | 488 |
| 606 | Freeze Drying | 4 | 57 | 316 | 488 |
| 606 | Developmental Disabilities | 1 | 57 | 1601 | 1360 |
| 611 | Geriatric Nursing | 12 | 56 | 148 | 434 |
| 611 | Technological Innovations | 3 | 56 | 1115 | 1316 |
| 613 | Neurovirology | 2 | 55 | 323 | 350 |
| 613 | Genetic markers | 5 | 55 | 147 | 362 |
| 615 | Multivariate Analysis | 1 | 54 | 833 | 546 |
| 615 | Structural Equation Modeling | 1 | 54 | 208 | 177 |
| 615 | plasma | 8 | 54 | 44 | 117 |
| 618 | Genetic Toxicology | 4 | 53 | 393 | 860 |
| 618 | Nuclear Physics | 11 | 53 | 2507 | 3543 |
| 618 | Behavioral research | 9 | 53 | 180 | 476 |
| 618 | personality | 4 | 53 | 1219 | 1760 |
| 622 | Human-Computer Interaction | 4 | 52 | 1392 | 1837 |
| 622 | Neurotransmitters | 3 | 52 | 581 | 593 |
| 624 | Apoptosis | 3 | 50 | 240 | 476 |
| 624 | neurotoxins | 3 | 50 | 240 | 476 |
| 624 | Neurotoxic agents | 3 | 50 | 240 | 476 |
| 624 | Morphogenesis | 1 | 50 | 163 | 160 |
| 624 | Organogenesis | 1 | 50 | 99 | 115 |
| 624 | breastfeeding | 4 | 50 | 419 | 686 |
| 624 | Nerve regeneration | 3 | 50 | 240 | 476 |
| 631 | Dentistry | 9 | 49 | 376 | 668 |
| 631 | Otolaryngology | 7 | 49 | 340 | 682 |
| 631 | Pathogens | 3 | 49 | 88 | 180 |
| 631 | antibiotics | 5 | 49 | 143 | 364 |
| 635 | Animal Nutrition | 1 | 48 | 951 | 687 |
| 635 | Health Education | 10 | 48 | 961 | 2300 |
| 635 | food contamination | 5 | 48 | 784 | 1300 |
| 635 | Fiber Optics | 2 | 48 | 1273 | 1226 |
| 635 | older people | 11 | 48 | 817 | 1560 |
| 635 | Pacific Islands | 2 | 48 | 435 | 273 |
| 635 | Evolution | 5 | 48 | 1447 | 2477 |
| 642 | venom | 7 | 47 | 426 | 1041 |
| 642 | Toxins | 7 | 47 | 487 | 1141 |
| 644 | Mechanical Engineering | 4 | 46 | 2367 | 2400 |
| 644 | Manufacturing Processes | 3 | 46 | 2394 | 2648 |
| 644 | Patient education | 8 | 46 | 342 | 974 |
| 644 | Waste management | 1 | 46 | 2458 | 1783 |
| 644 | Water Purification | 1 | 46 | 2046 | 1486 |
| 644 | Water quality management | 1 | 46 | 3027 | 2293 |
| 644 | counseling | 8 | 46 | 785 | 1590 |
| 644 | Carbon | 3 | 46 | 1382 | 2079 |
| 644 | Flow cytometry | 3 | 46 | 431 | 652 |
| 644 | Zoonoses | 6 | 46 | 141 | 482 |
| 654 | Hypertension in pregnancy | 2 | 45 | 260 | 195 |
| 654 | heredity | 4 | 45 | 580 | 854 |
| 654 | Information Science | 7 | 45 | 1717 | 3074 |
| 657 | Algal blooms | 2 | 44 | 372 | 546 |
| 657 | Cyanobacteria | 2 | 44 | 372 | 546 |
| 657 | microalgae | 2 | 44 | 372 | 546 |
| 660 | Asthma | 5 | 43 | 500 | 916 |
| 661 | Microwaves | 2 | 42 | 1726 | 1523 |
| 661 | energy development | 2 | 42 | 1207 | 1479 |
| 661 | Australia | 8 | 42 | 1144 | 2250 |
| 661 | Developing countries | 9 | 42 | 1323 | 3058 |
| 665 | Cognitive Science | 5 | 41 | 1200 | 2140 |
| 665 | Regeneration | 3 | 41 | 69 | 100 |
| 667 | Analytical Toxicology | 2 | 40 | 296 | 369 |
| 668 | Engineering Mathematics | 1 | 39 | 2845 | 1950 |
| 668 | Optical Communications | 4 | 39 | 753 | 990 |
| 668 | Numerical Analysis | 1 | 39 | 3259 | 2326 |
| 668 | Combustion | 2 | 39 | 1535 | 1666 |
| 668 | mathematical concepts | 2 | 39 | 532 | 453 |
| 673 | Pediatric Dermatology | 3 | 37 | 413 | 546 |
| 673 | mutation | 4 | 37 | 569 | 1128 |
| 673 | Microscopy | 8 | 37 | 822 | 1758 |
| 673 | Trace elements | 2 | 37 | 376 | 604 |
| 673 | Ultrasound | 5 | 37 | 581 | 1170 |
| 678 | Medical Ethics | 2 | 36 | 1455 | 1372 |
| 678 | Medical Anthropology | 1 | 36 | 2067 | 2234 |
| 678 | air quality | 3 | 36 | 196 | 435 |
| 678 | Japan | 3 | 36 | 2174 | 2437 |
| 682 | Social Sciences | 6 | 35 | 2491 | 3653 |
| 682 | Forensic Pathology | 4 | 35 | 115 | 191 |
| 682 | Multiple sclerosis | 3 | 35 | 631 | 738 |
| 685 | Cognitive neuroscience | 3 | 34 | 945 | 1469 |
| 685 | Physical fitness | 3 | 34 | 982 | 1455 |
| 687 | Computer Engineering | 2 | 33 | 1325 | 1319 |
| 687 | Clinical Laboratory Science | 4 | 33 | 197 | 365 |
| 687 | Molecular Microbiology | 5 | 33 | 664 | 1663 |
| 687 | Mass Spectrometry | 6 | 33 | 863 | 1662 |
| 691 | Health Services Administration | 3 | 32 | 1154 | 1813 |
| 691 | Ethics | 2 | 32 | 1161 | 1213 |
| 691 | Drug delivery devices | 2 | 32 | 348 | 694 |
| 691 | management | 3 | 32 | 3274 | 4202 |
| 691 | eye | 2 | 32 | 263 | 561 |
| 691 | psychotherapy | 5 | 32 | 1014 | 1748 |
| 691 | planning | 3 | 32 | 741 | 1064 |
| 698 | Civil Engineering | 1 | 31 | 2510 | 1628 |
| 698 | Palliative Care | 6 | 31 | 614 | 1239 |
| 698 | hospice care | 6 | 31 | 366 | 848 |
| 701 | Retina | 1 | 30 | 325 | 517 |
| 701 | Food Safety | 1 | 30 | 593 | 473 |
| 701 | Gene expression | 5 | 30 | 193 | 565 |
| 701 | Bacteria | 4 | 30 | 284 | 817 |
| 705 | Career development | 2 | 28 | 529 | 616 |
| 705 | fuel cells | 1 | 28 | 1882 | 1938 |
| 705 | clay | 2 | 28 | 979 | 1518 |
| 705 | men | 3 | 28 | 284 | 554 |
| 705 | Minority Health | 5 | 28 | 23 | 160 |
| 705 | Nitric oxide | 2 | 28 | 338 | 642 |
| 711 | Education | 2 | 27 | 4110 | 3912 |
| 711 | Robotics | 3 | 27 | 1801 | 2413 |
| 711 | Dietetics | 4 | 27 | 581 | 989 |
| 711 | epilepsy | 5 | 27 | 738 | 1573 |
| 715 | Research Design | 4 | 26 | 1068 | 2132 |
| 715 | Synthetic biology | 3 | 26 | 363 | 681 |
| 715 | Vocational guidance | 1 | 26 | 1435 | 1383 |
| 715 | Breeding | 4 | 26 | 1060 | 1892 |
| 719 | Product Design | 2 | 25 | 701 | 757 |
| 719 | Production Engineering | 2 | 25 | 2438 | 2664 |
| 719 | Cognitive Therapy | 1 | 25 | 1053 | 1000 |
| 719 | Helminthology | 1 | 25 | 154 | 82 |
| 719 | Sports | 4 | 25 | 1718 | 2423 |
| 719 | Ultrasonic Imaging | 2 | 25 | 694 | 965 |
| 719 | Helminths | 1 | 25 | 154 | 82 |
| 719 | alcoholism | 2 | 25 | 1752 | 2354 |
| 719 | pharmaceutical industry | 4 | 25 | 511 | 1067 |
| 719 | Coronary heart disease | 2 | 25 | 321 | 320 |
| 719 | synthesis | 5 | 25 | 837 | 1357 |
| 719 | traffic safety | 3 | 25 | 317 | 566 |
| 719 | eugenics | 5 | 25 | 395 | 1095 |
| 732 | Bioethics | 5 | 24 | 686 | 1291 |
| 732 | Health insurance | 4 | 24 | 382 | 817 |
| 732 | Calorimetry | 1 | 24 | 1950 | 1781 |
| 732 | Psychiatric Epidemiology | 1 | 24 | 909 | 1132 |
| 732 | biological agents | 6 | 24 | 431 | 535 |
| 732 | Bacterial diseases | 4 | 24 | 204 | 689 |
| 732 | Thermal analysis | 1 | 24 | 1950 | 1781 |
| 739 | Food Preservation | 3 | 23 | 809 | 1164 |
| 739 | Biological Systems | 1 | 23 | 1072 | 1193 |
| 739 | Communication | 2 | 23 | 2436 | 2933 |
| 742 | Veterinary Immunology | 1 | 22 | 642 | 733 |
| 742 | Heat Exchangers | 1 | 22 | 1977 | 2214 |
| 742 | energy conservation | 2 | 22 | 2591 | 3639 |
| 742 | Immunohistochemistry | 4 | 22 | 148 | 321 |
| 742 | Korea | 2 | 22 | 493 | 500 |
| 742 | Crystal growth | 2 | 22 | 1258 | 1662 |
| 742 | Africa | 2 | 22 | 1941 | 1965 |
| 742 | Phytotherapy | 3 | 22 | 657 | 1441 |
| 742 | violence | 1 | 22 | 1501 | 1624 |
| 742 | sex crimes | 1 | 22 | 1021 | 1067 |
| 752 | Veterinary Pathology | 2 | 21 | 417 | 529 |
| 752 | Animal breeding | 2 | 21 | 956 | 1296 |
| 752 | Genetic databases | 3 | 21 | 17 | 61 |
| 752 | Communication in medicine | 1 | 21 | 884 | 1010 |
| 752 | particles | 3 | 21 | 1069 | 1811 |
| 757 | Interferons | 4 | 20 | 228 | 663 |
| 757 | glycoproteins | 2 | 20 | 614 | 1054 |
| 757 | Glycoconjugates | 2 | 20 | 614 | 1054 |
| 757 | ecosystem | 2 | 20 | 1614 | 2547 |
| 757 | glycolipids | 2 | 20 | 614 | 1054 |
| 762 | Environmental Management | 2 | 19 | 3538 | 5042 |
| 762 | Foodborne diseases | 2 | 19 | 325 | 603 |
| 762 | Drug discovery | 1 | 19 | 592 | 712 |
| 762 | Brain damage | 2 | 19 | 545 | 953 |
| 766 | Neuroimaging | 2 | 18 | 397 | 566 |
| 766 | Music | 7 | 18 | 519 | 1199 |
| 766 | voice | 7 | 18 | 273 | 836 |
| 766 | Neuroanatomy | 2 | 18 | 306 | 602 |
| 766 | Traditional medicine | 1 | 18 | 371 | 566 |
| 766 | Memory | 2 | 18 | 2249 | 3285 |
| 766 | Exercise | 4 | 18 | 1153 | 2038 |
| 773 | Inorganic Chemistry | 1 | 17 | 101 | 176 |
| 773 | Visual Perception | 1 | 17 | 2739 | 3038 |
| 773 | Carbohydrates | 2 | 17 | 586 | 1009 |
| 773 | Safety management | 2 | 17 | 835 | 1193 |
| 773 | Pituitary gland | 4 | 17 | 182 | 487 |
| 773 | Attention | 1 | 17 | 2838 | 3195 |
| 773 | Perception | 1 | 17 | 2944 | 3262 |
| 773 | Human biology | 5 | 17 | 455 | 1171 |
| 781 | Intercultural Communication | 1 | 16 | 760 | 800 |
| 781 | environmental indicators | 1 | 16 | 1845 | 2392 |
| 781 | Nutrigenomics | 2 | 16 | 135 | 427 |
| 781 | Oligosaccharides | 1 | 16 | 514 | 701 |
| 785 | Meteorology | 1 | 15 | 3312 | 3930 |
| 785 | Melanoma | 3 | 15 | 222 | 622 |
| 785 | Microfluidics | 1 | 15 | 448 | 617 |
| 785 | Organometallic compounds | 1 | 15 | 1821 | 2019 |
| 785 | disease susceptibility | 1 | 15 | 131 | 273 |
| 785 | Vision | 2 | 15 | 775 | 1291 |
| 785 | human development | 1 | 15 | 1285 | 1573 |
| 785 | chromatin | 1 | 15 | 320 | 520 |
| 785 | symptoms | 1 | 15 | 131 | 273 |
| 794 | Energy Storage | 1 | 14 | 1952 | 2183 |
| 794 | Integrated Circuits | 3 | 14 | 926 | 1181 |
| 794 | Animal husbandry | 1 | 14 | 530 | 661 |
| 794 | Lymphoma | 3 | 14 | 443 | 754 |
| 794 | Computational Intelligence | 3 | 14 | 712 | 1305 |
| 794 | Multiple Myeloma | 3 | 14 | 437 | 736 |
| 794 | Environmental Geochemistry | 1 | 14 | 1132 | 1340 |
| 794 | livestock | 1 | 14 | 816 | 868 |
| 794 | Minerals | 1 | 14 | 1446 | 1683 |
| 794 | Allergies | 1 | 14 | 329 | 454 |
| 804 | Humanities | 4 | 13 | 1549 | 2613 |
| 804 | Animal Biotechnology | 1 | 13 | 365 | 466 |
| 804 | Bioenergetics | 1 | 13 | 1382 | 1805 |
| 804 | Ceramics | 2 | 13 | 1969 | 2502 |
| 804 | Social Stratification | 1 | 13 | 183 | 213 |
| 804 | Lung Transplantation | 4 | 13 | 352 | 857 |
| 804 | Measurement | 5 | 13 | 1109 | 2558 |
| 804 | Socialization | 1 | 13 | 839 | 1135 |
| 804 | Social mobility | 1 | 13 | 183 | 213 |
| 804 | Heart transplantation | 4 | 13 | 352 | 857 |
| 804 | Ferroelectricity | 4 | 13 | 977 | 1623 |
| 804 | Photobiology | 3 | 13 | 1378 | 2571 |
| 804 | Massage therapy | 5 | 13 | 47 | 40 |
| 804 | Health promotion | 4 | 13 | 1013 | 2410 |
| 804 | polar regions | 1 | 13 | 1079 | 1293 |
| 804 | movement | 1 | 13 | 636 | 830 |
| 804 | social conflict | 1 | 13 | 382 | 448 |
| 804 | ethanol | 1 | 13 | 899 | 1097 |
| 804 | chronic disease | 2 | 13 | 413 | 843 |
| 804 | social status | 1 | 13 | 183 | 213 |
| 804 | Occupational mobility | 1 | 13 | 183 | 213 |
| 804 | Endocrine system | 4 | 13 | 677 | 746 |
| 826 | Anthropology | 1 | 12 | 2298 | 2250 |
| 826 | Pediatric Endocrinology | 3 | 12 | 350 | 652 |
| 826 | Computer-Aided Design | 1 | 12 | 2103 | 2396 |
| 826 | Altitude Sickness | 1 | 12 | 302 | 385 |
| 826 | Smoking | 1 | 12 | 1256 | 1714 |
| 826 | Investment analysis | 3 | 12 | 981 | 1641 |
| 826 | Taste | 4 | 12 | 208 | 788 |
| 826 | optical instruments | 1 | 12 | 658 | 768 |
| 826 | Sound | 3 | 12 | 1176 | 1906 |
| 826 | smell | 4 | 12 | 208 | 788 |
| 826 | Altitude | 1 | 12 | 302 | 385 |
| 826 | Metabolic disorders in children | 3 | 12 | 306 | 584 |
| 826 | optical phenomena | 1 | 12 | 268 | 361 |
| 826 | Radio | 3 | 12 | 1656 | 2779 |
| 826 | Cheminformatics | 1 | 12 | 656 | 908 |
| 826 | drug addiction | 1 | 12 | 1766 | 2284 |
| 826 | Longevity | 1 | 12 | 414 | 640 |
| 826 | rejuvenation | 1 | 12 | 302 | 556 |
| 826 | Culture | 1 | 12 | 1724 | 1647 |
| 826 | Radio frequency | 3 | 12 | 495 | 1110 |
| 826 | Thorax | 1 | 12 | 748 | 1091 |
| 847 | Climatology | 1 | 11 | 2629 | 3177 |
| 847 | Forensic Toxicology | 1 | 11 | 127 | 210 |
| 847 | bioclimatology | 1 | 11 | 1646 | 2049 |
| 847 | Quantum Gravity | 2 | 11 | 2035 | 2480 |
| 847 | Adolescent Psychology | 1 | 11 | 1390 | 1700 |
| 847 | mass transfer | 1 | 11 | 2495 | 2919 |
| 847 | Social Change | 1 | 11 | 1676 | 2333 |
| 847 | Child psychology | 1 | 11 | 2247 | 2715 |
| 847 | Climate | 1 | 11 | 1127 | 1568 |
| 847 | computer networks | 3 | 11 | 2477 | 3862 |
| 847 | child abuse | 2 | 11 | 998 | 1802 |
| 847 | weather | 1 | 11 | 1065 | 1501 |
| 847 | children | 1 | 11 | 850 | 1010 |
| 860 | Law | 4 | 10 | 1025 | 1445 |
| 860 | Community Health Nursing | 1 | 10 | 158 | 241 |
| 860 | Public Policy | 1 | 10 | 2964 | 3765 |
| 860 | Systems Analysis | 1 | 10 | 1931 | 2339 |
| 860 | Child welfare | 2 | 10 | 1395 | 2294 |
| 860 | primary prevention | 2 | 10 | 528 | 1214 |
| 860 | scientific societies | 1 | 10 | 1362 | 1821 |
| 860 | Heterocyclic compounds | 2 | 10 | 1250 | 1739 |
| 868 | Pediatric Hematology | 2 | 9 | 518 | 779 |
| 868 | Biomass Energy | 2 | 9 | 2829 | 4270 |
| 868 | Fishery management | 1 | 9 | 1351 | 1717 |
| 868 | Preoperative Care | 3 | 9 | 72 | 266 |
| 868 | Electrocardiography | 2 | 9 | 491 | 756 |
| 868 | perioperative care | 3 | 9 | 72 | 263 |
| 868 | Mutagenesis | 3 | 9 | 462 | 1318 |
| 868 | Statistical models | 1 | 9 | 227 | 298 |
| 868 | DNA polymerases | 1 | 9 | 804 | 1347 |
| 877 | Occupational Health | 1 | 8 | 1918 | 2292 |
| 877 | Operations Research | 1 | 8 | 3048 | 3457 |
| 877 | Molecular recognition | 1 | 8 | 476 | 760 |
| 877 | nursing ethics | 1 | 8 | 465 | 753 |
| 877 | disease outbreaks | 2 | 8 | 697 | 1461 |
| 877 | Epidemics | 2 | 8 | 664 | 1410 |
| 877 | Soviet Union | 1 | 8 | 1408 | 1359 |
| 877 | sexual behavior | 1 | 8 | 1129 | 1562 |
| 885 | Sustainable Development | 2 | 7 | 2592 | 4431 |
| 885 | Energy Policy | 1 | 7 | 3985 | 5065 |
| 885 | Transportation | 1 | 7 | 2572 | 3149 |
| 885 | Nonlinear Dynamics | 1 | 7 | 2582 | 3181 |
| 885 | Climate change | 1 | 7 | 1666 | 2454 |
| 885 | Eating Disorders | 2 | 7 | 1038 | 1832 |
| 885 | Feeding and Eating Disorders | 2 | 7 | 986 | 1756 |
| 885 | Metallography | 1 | 7 | 1434 | 1880 |
| 885 | Telecommunication | 1 | 7 | 3959 | 4426 |
| 885 | Continental shelf | 1 | 7 | 636 | 946 |
| 885 | Earth Sciences | 1 | 7 | 4495 | 5282 |
| 885 | Youth | 2 | 7 | 818 | 1534 |
| 885 | Structure-activity relationship | 1 | 7 | 525 | 822 |
| 885 | Nonlinear systems | 1 | 7 | 983 | 1231 |
| 899 | Food Science | 1 | 6 | 487 | 712 |
| 899 | Photography | 7 | 6 | 1206 | 2054 |
| 899 | Quantum electronics | 1 | 6 | 2594 | 3013 |
| 899 | Pharmacogenomics | 1 | 6 | 639 | 1061 |
| 899 | air quality management | 1 | 6 | 1052 | 1696 |
| 899 | Wireless Communication Systems | 2 | 6 | 2724 | 3822 |
| 899 | Maternal health services | 1 | 6 | 750 | 1222 |
| 899 | micromechanics | 2 | 6 | 799 | 1459 |
| 899 | Bioprinting | 1 | 6 | 111 | 267 |
| 899 | teratogenic agents | 1 | 6 | 483 | 819 |
| 899 | Family Therapy | 1 | 6 | 1176 | 1607 |
| 899 | child mental health | 1 | 6 | 777 | 1152 |
| 899 | indoor air pollution | 1 | 6 | 761 | 1237 |
| 899 | Ventilation | 1 | 6 | 1019 | 1484 |
| 899 | Social behavior | 2 | 6 | 1393 | 2492 |
| 899 | Sick building syndrome | 1 | 6 | 761 | 1237 |
| 899 | mental processes | 1 | 6 | 650 | 824 |
| 899 | weight loss | 1 | 6 | 294 | 513 |
| 917 | Respiratory Therapy | 2 | 5 | 35 | 147 |
| 917 | Oceanography | 2 | 5 | 1969 | 3306 |
| 917 | Astronomy | 1 | 5 | 3497 | 4248 |
| 917 | Hydrology | 1 | 5 | 3658 | 4587 |
| 917 | Lexicography | 1 | 5 | 98 | 114 |
| 917 | Online social networks | 1 | 5 | 679 | 1072 |
| 917 | Atherosclerosis | 1 | 5 | 347 | 625 |
| 917 | Marriage | 1 | 5 | 902 | 1387 |
| 917 | mental health promotion | 1 | 5 | 348 | 591 |
| 917 | Plant breeding | 2 | 5 | 1022 | 1977 |
| 917 | Pharmacy management | 1 | 5 | 548 | 798 |
| 917 | monitoring | 1 | 5 | 564 | 839 |
| 917 | disabilities | 1 | 5 | 1283 | 1891 |
| 917 | gases | 2 | 5 | 35 | 147 |
| 917 | paraphilias | 1 | 5 | 338 | 585 |
| 917 | North America | 1 | 5 | 1562 | 2092 |
| 917 | Glass | 1 | 5 | 1808 | 2416 |
| 917 | pottery | 1 | 5 | 1736 | 2338 |
| 917 | Detectors | 1 | 5 | 2436 | 3221 |
| 917 | Marriage counseling | 1 | 5 | 567 | 856 |
| 937 | Social Psychology | 1 | 4 | 3187 | 4296 |
| 937 | Morphology | 7 | 4 | 478 | 1671 |
| 937 | Genetic epidemiology | 1 | 4 | 489 | 772 |
| 937 | Nuclear Chemistry | 2 | 4 | 1403 | 2271 |
| 937 | Radiochemistry | 2 | 4 | 1332 | 2148 |
| 937 | Cardiac electrophysiology | 1 | 4 | 457 | 727 |
| 937 | Professional ethics | 1 | 4 | 566 | 1048 |
| 937 | Neuromuscular diseases | 2 | 4 | 786 | 1593 |
| 937 | Brachytherapy | 2 | 4 | 299 | 589 |
| 937 | Echocardiography | 1 | 4 | 222 | 472 |
| 937 | Oligosaccharide | 1 | 4 | 594 | 986 |
| 937 | Cerebrospinal fluid | 1 | 4 | 272 | 523 |
| 937 | arrhythmia | 1 | 4 | 457 | 727 |
| 937 | Social work | 1 | 4 | 2457 | 3179 |
| 937 | Electromagnetic fields | 2 | 4 | 473 | 894 |
| 937 | Stress | 2 | 4 | 362 | 996 |
| 953 | Economics | 1 | 3 | 5103 | 5994 |
| 953 | Psycholinguistics | 1 | 3 | 1387 | 2007 |
| 953 | Public Administration | 2 | 3 | 1585 | 2680 |
| 953 | Metastasis | 1 | 3 | 404 | 858 |
| 953 | Wireless Communication | 1 | 3 | 877 | 1322 |
| 953 | Corporate Social Responsibility | 1 | 3 | 595 | 1160 |
| 953 | adolescence | 1 | 3 | 1507 | 2232 |
| 953 | environmental auditing | 1 | 3 | 618 | 1184 |
| 953 | Qualitative Research | 1 | 3 | 870 | 1363 |
| 953 | Computational Complexity | 2 | 3 | 1244 | 2173 |
| 953 | sadness | 1 | 3 | 491 | 911 |
| 953 | marketing | 1 | 3 | 2657 | 3499 |
| 953 | death | 1 | 3 | 634 | 1046 |
| 953 | sex differences | 1 | 3 | 301 | 636 |
| 953 | finance | 1 | 3 | 3261 | 3899 |
| 953 | Protein engineering | 1 | 3 | 467 | 826 |
| 953 | Suicide | 1 | 3 | 977 | 1648 |
| 953 | molecular design | 1 | 3 | 519 | 847 |
| 953 | antisocial personality disorder | 1 | 3 | 491 | 911 |
| 972 | Ergonomics | 1 | 2 | 1708 | 2338 |
| 972 | Public Relations | 1 | 2 | 776 | 1228 |
| 972 | Neurogenetics | 1 | 2 | 614 | 1034 |
| 972 | Cardiovascular Pharmacology | 1 | 2 | 574 | 1029 |
| 972 | Plant Genetics | 1 | 2 | 1121 | 1729 |
| 972 | Visual Communication | 1 | 2 | 893 | 1341 |
| 972 | Pediatric Nursing | 1 | 2 | 770 | 1301 |
| 972 | Obstetric Nursing | 1 | 2 | 508 | 904 |
| 972 | Computational Linguistics | 1 | 2 | 1128 | 1625 |
| 972 | Pediatric Rheumatology | 1 | 2 | 432 | 730 |
| 972 | Anti-inflammatory agents | 1 | 2 | 531 | 1017 |
| 972 | Neuroendocrinology | 1 | 2 | 261 | 527 |
| 972 | Image enhancement | 1 | 2 | 731 | 1163 |
| 972 | Patient Safety | 1 | 2 | 210 | 412 |
| 972 | Vaccination | 2 | 2 | 403 | 1113 |
| 972 | Plastics | 1 | 2 | 2673 | 3568 |
| 972 | Library Science | 1 | 2 | 1646 | 2225 |
| 972 | research and development | 1 | 2 | 744 | 1224 |
| 972 | DNA repair | 1 | 2 | 555 | 934 |
| 972 | Germany | 3 | 2 | 637 | 1602 |
| 972 | Culture techniques | 1 | 2 | 561 | 863 |
| 993 | Systems Engineering | 1 | 1 | 3321 | 4479 |
| 993 | Clinical Trials | 2 | 1 | 791 | 1995 |
| 993 | Demography | 1 | 1 | 1145 | 1841 |
| 993 | Educational Psychology | 1 | 1 | 2051 | 3102 |
| 993 | Animal ecology | 1 | 1 | 1757 | 2605 |
| 993 | Plant physiology | 1 | 1 | 2886 | 4066 |
| 993 | Bipolar Disorder | 1 | 1 | 593 | 1008 |
| 993 | psychopathology | 1 | 1 | 521 | 856 |