| 1 | Biochemistry | 355 | 16.9K | 856 | 703 |
| 2 | Biology | 111 | 11.4K | 1349 | 969 |
| 3 | Science | 136 | 11.3K | 1296 | 1003 |
| 4 | Medicine | 214 | 10.0K | 1020 | 854 |
| 5 | Neurology | 244 | 8.7K | 517 | 599 |
| 6 | Physics | 52 | 8.2K | 2486 | 1294 |
| 7 | Research | 229 | 8.0K | 808 | 752 |
| 8 | Molecular Biology | 184 | 7.0K | 953 | 996 |
| 9 | Natural history | 10 | 6.6K | 1620 | 780 |
| 10 | Cytology | 78 | 5.5K | 738 | 641 |
| 11 | Immunology | 128 | 5.5K | 392 | 428 |
| 12 | Cell Biology | 61 | 4.6K | 778 | 703 |
| 13 | Biophysics | 147 | 4.5K | 769 | 803 |
| 14 | Pharmacology | 196 | 3.9K | 555 | 733 |
| 15 | Immunity | 40 | 3.8K | 392 | 382 |
| 16 | Cardiovascular system | 24 | 3.8K | 428 | 284 |
| 17 | Liver diseases | 47 | 3.5K | 265 | 256 |
| 18 | Ophthalmology | 43 | 3.0K | 403 | 230 |
| 19 | Allergy | 25 | 2.6K | 303 | 260 |
| 20 | Hypertension | 19 | 2.6K | 513 | 342 |
| 21 | Hematology | 86 | 2.6K | 406 | 448 |
| 22 | Stem cells | 76 | 2.6K | 136 | 189 |
| 23 | Psychiatry | 35 | 2.2K | 1097 | 787 |
| 24 | Pathology | 60 | 2.2K | 386 | 397 |
| 25 | Toxicology | 39 | 2.1K | 1224 | 896 |
| 26 | Human genetics | 17 | 2.1K | 714 | 776 |
| 27 | Chemistry | 65 | 2.1K | 2351 | 2317 |
| 28 | Virology | 16 | 2.1K | 1057 | 736 |
| 29 | Genetic engineering | 61 | 2.1K | 239 | 342 |
| 30 | Cell differentiation | 57 | 2.0K | 251 | 401 |
| 31 | arthritis | 13 | 2.0K | 485 | 256 |
| 32 | Metabolic diseases | 33 | 1.8K | 542 | 563 |
| 33 | Signal Transduction | 25 | 1.8K | 357 | 287 |
| 34 | Endocrinology | 46 | 1.8K | 642 | 698 |
| 35 | Brain | 87 | 1.7K | 452 | 642 |
| 36 | Genetic regulation | 48 | 1.7K | 120 | 224 |
| 36 | cloning | 48 | 1.7K | 30 | 111 |
| 38 | Rheumatology | 4 | 1.6K | 807 | 232 |
| 39 | Metabolism | 35 | 1.6K | 661 | 682 |
| 40 | Medical innovations | 2 | 1.5K | 973 | 272 |
| 40 | drug development | 2 | 1.5K | 983 | 228 |
| 42 | Neurophysiology | 33 | 1.5K | 806 | 774 |
| 43 | Physiology | 80 | 1.4K | 709 | 1041 |
| 44 | Reproduction | 28 | 1.3K | 650 | 478 |
| 45 | Mental Disorders | 15 | 1.3K | 1093 | 703 |
| 46 | Cancer | 62 | 1.3K | 589 | 878 |
| 47 | Pancreatic diseases | 42 | 1.2K | 19 | 26 |
| 48 | Nutrition | 57 | 1.2K | 810 | 1100 |
| 49 | Mental illness | 11 | 1.2K | 834 | 551 |
| 50 | Surgery | 31 | 1.1K | 390 | 520 |
| 51 | Audiology | 18 | 1.1K | 252 | 145 |
| 52 | Microbiology | 25 | 1.1K | 2090 | 1875 |
| 53 | Medical genetics | 30 | 1.1K | 691 | 797 |
| 54 | Neurochemistry | 36 | 1.0K | 629 | 704 |
| 55 | Cardiovascular diseases | 32 | 1.0K | 393 | 364 |
| 56 | Medical Oncology | 31 | 999 | 396 | 456 |
| 57 | Histology | 30 | 939 | 478 | 509 |
| 58 | cell physiology | 37 | 927 | 305 | 537 |
| 59 | Antioxidants | 14 | 905 | 241 | 247 |
| 60 | Immunopathology | 30 | 864 | 305 | 347 |
| 61 | Oxidation-reduction | 12 | 856 | 317 | 332 |
| 62 | Thrombosis | 30 | 851 | 237 | 296 |
| 63 | Cytogenetics | 17 | 837 | 448 | 473 |
| 64 | Radiobiology | 33 | 781 | 286 | 372 |
| 65 | Oncogenes | 16 | 778 | 401 | 495 |
| 66 | Autoimmunity | 29 | 772 | 123 | 233 |
| 67 | Autoimmune diseases | 30 | 752 | 83 | 140 |
| 68 | Neurobiology | 18 | 748 | 646 | 690 |
| 68 | Bacteriology | 12 | 748 | 814 | 718 |
| 70 | Engineering | 1 | 744 | 5046 | 1100 |
| 70 | Mathematics | 1 | 744 | 6158 | 1604 |
| 72 | Autoantibodies | 28 | 724 | 81 | 133 |
| 73 | Biotechnology | 17 | 710 | 2372 | 2226 |
| 74 | Urology | 27 | 661 | 446 | 493 |
| 75 | Cell division | 13 | 641 | 77 | 65 |
| 76 | Hemostasis | 26 | 616 | 149 | 161 |
| 77 | Transplantation | 18 | 614 | 339 | 390 |
| 78 | Genes | 18 | 603 | 310 | 251 |
| 79 | Genetics | 19 | 602 | 1247 | 1422 |
| 80 | Immunotherapy | 22 | 592 | 511 | 705 |
| 81 | Infertility | 9 | 571 | 428 | 370 |
| 81 | fertility | 9 | 571 | 468 | 395 |
| 83 | Biomechanics | 17 | 565 | 439 | 448 |
| 84 | Developmental Biology | 20 | 558 | 652 | 860 |
| 85 | Electron Microscopy | 34 | 556 | 23 | 41 |
| 86 | Immune system | 6 | 550 | 572 | 534 |
| 87 | Molecular Genetics | 15 | 549 | 745 | 779 |
| 88 | carcinogens | 10 | 541 | 415 | 347 |
| 89 | Pediatrics | 23 | 533 | 682 | 855 |
| 90 | Carcinogenesis | 8 | 528 | 473 | 360 |
| 91 | Nervous system | 19 | 523 | 862 | 995 |
| 92 | mutagens | 7 | 521 | 429 | 323 |
| 93 | Neuropsychiatry | 2 | 520 | 851 | 266 |
| 93 | Gene expression | 11 | 520 | 69 | 62 |
| 95 | free radicals | 6 | 470 | 878 | 731 |
| 96 | Orthopedics | 28 | 465 | 397 | 518 |
| 97 | Embryology | 17 | 453 | 550 | 719 |
| 97 | Psychopharmacology | 23 | 453 | 438 | 675 |
| 99 | drug therapy | 39 | 451 | 491 | 784 |
| 100 | Genomics | 22 | 439 | 987 | 1277 |
| 101 | Digestive system diseases | 28 | 425 | 215 | 351 |
| 102 | Child Development | 22 | 419 | 626 | 843 |
| 103 | Clinical Biochemistry | 4 | 415 | 894 | 415 |
| 104 | cell interaction | 2 | 414 | 1097 | 496 |
| 105 | Therapeutics | 39 | 413 | 341 | 725 |
| 106 | Dermatology | 19 | 406 | 597 | 647 |
| 106 | Cell adhesion | 1 | 406 | 312 | 38 |
| 106 | Cell communication | 1 | 406 | 903 | 257 |
| 109 | Oncology | 20 | 405 | 649 | 1221 |
| 110 | Psychophysiology | 14 | 404 | 1234 | 1331 |
| 111 | Child | 29 | 393 | 633 | 909 |
| 111 | infection | 35 | 393 | 334 | 713 |
| 111 | Genetic therapy | 9 | 393 | 503 | 483 |
| 114 | Molecular cloning | 13 | 389 | 593 | 553 |
| 114 | Genetic recombination | 13 | 389 | 578 | 547 |
| 114 | Recombinant DNA | 13 | 389 | 634 | 588 |
| 117 | gene therapy | 6 | 381 | 604 | 515 |
| 118 | Critical Care | 10 | 380 | 635 | 761 |
| 118 | Critical Care Medicine | 10 | 380 | 635 | 760 |
| 120 | Radiation | 22 | 373 | 699 | 746 |
| 120 | United Kingdom | 7 | 373 | 869 | 693 |
| 122 | Leukemia | 7 | 366 | 516 | 504 |
| 123 | Chemotherapy | 35 | 363 | 272 | 539 |
| 124 | Pediatric Neurology | 19 | 359 | 301 | 569 |
| 125 | Clinical Pharmacology | 19 | 355 | 413 | 531 |
| 126 | Spine | 18 | 350 | 207 | 336 |
| 127 | Schizophrenia | 5 | 347 | 672 | 508 |
| 128 | Medical Laboratory Science | 8 | 330 | 1126 | 1120 |
| 129 | Anatomy | 13 | 329 | 889 | 875 |
| 130 | Neurons | 3 | 326 | 503 | 623 |
| 131 | Nitric oxide | 14 | 307 | 22 | 83 |
| 132 | Diabetes | 10 | 297 | 930 | 1055 |
| 133 | Histochemistry | 31 | 294 | 173 | 459 |
| 134 | Biocompatible Materials | 10 | 293 | 1919 | 2220 |
| 135 | histological techniques | 20 | 292 | 148 | 407 |
| 136 | Clinical Immunology | 12 | 289 | 462 | 546 |
| 136 | Diabetes mellitus | 9 | 289 | 936 | 1046 |
| 136 | Antibodies | 5 | 289 | 390 | 263 |
| 136 | Antigens | 5 | 289 | 515 | 343 |
| 140 | Immunotoxicology | 10 | 285 | 60 | 45 |
| 141 | Host-parasite interactions | 6 | 281 | 726 | 827 |
| 141 | Virulence | 6 | 281 | 664 | 775 |
| 143 | Immunopharmacology | 9 | 280 | 526 | 500 |
| 144 | Memory | 8 | 278 | 912 | 878 |
| 145 | Public Health | 8 | 275 | 2763 | 2366 |
| 146 | Environmental Health | 17 | 255 | 2164 | 3054 |
| 147 | Hematopoietic stem cell transplantation | 13 | 253 | 102 | 246 |
| 147 | Respiratory Infections | 16 | 253 | 70 | 111 |
| 147 | viruses | 6 | 253 | 823 | 839 |
| 150 | Chromosome mapping | 6 | 250 | 1088 | 1041 |
| 150 | gene mapping | 6 | 250 | 1189 | 1154 |
| 152 | Hormones | 11 | 241 | 587 | 731 |
| 153 | Psychosomatic Medicine | 20 | 240 | 205 | 471 |
| 154 | Geriatrics | 21 | 239 | 921 | 1323 |
| 155 | Parenteral nutrition | 9 | 238 | 458 | 581 |
| 155 | biological factors | 5 | 238 | 1476 | 1024 |
| 157 | vascular diseases | 4 | 235 | 536 | 463 |
| 158 | proteins | 12 | 234 | 930 | 1079 |
| 159 | Health | 5 | 231 | 1486 | 1073 |
| 160 | Reproductive toxicology | 1 | 230 | 702 | 220 |
| 161 | Learning | 1 | 222 | 1736 | 758 |
| 162 | Hemodynamics | 6 | 221 | 382 | 493 |
| 163 | Bones | 8 | 217 | 390 | 549 |
| 164 | Diagnostic microbiology | 3 | 209 | 899 | 896 |
| 165 | Steroids | 3 | 202 | 838 | 546 |
| 166 | Alternative Medicine | 10 | 199 | 673 | 916 |
| 167 | Morphology | 6 | 197 | 605 | 395 |
| 168 | Systems Biology | 8 | 194 | 801 | 891 |
| 169 | Homeostasis | 1 | 191 | 583 | 636 |
| 169 | Cell metabolism | 1 | 191 | 986 | 713 |
| 171 | medical education | 12 | 190 | 756 | 906 |
| 172 | Asthma | 7 | 184 | 338 | 298 |
| 173 | Aging | 14 | 183 | 1079 | 1434 |
| 174 | Health Policy | 3 | 179 | 1812 | 1149 |
| 175 | Tropical Medicine | 14 | 176 | 687 | 959 |
| 176 | Emergency Medicine | 14 | 173 | 513 | 622 |
| 177 | Lipids | 3 | 171 | 1155 | 977 |
| 178 | cytokines | 3 | 165 | 1072 | 905 |
| 179 | protein | 6 | 164 | 791 | 772 |
| 180 | Radiology | 6 | 161 | 845 | 687 |
| 180 | Psychology | 9 | 161 | 2744 | 2751 |
| 182 | Nuclear Physics | 2 | 160 | 3578 | 2423 |
| 183 | Europe | 9 | 155 | 1612 | 1630 |
| 184 | Synchrotron Radiation | 8 | 154 | 168 | 177 |
| 185 | Pharmacognosy | 6 | 150 | 1280 | 1528 |
| 186 | Allergies | 5 | 147 | 59 | 67 |
| 187 | Obstetrics | 11 | 142 | 1052 | 1335 |
| 188 | Diagnostic Imaging | 11 | 136 | 829 | 1157 |
| 188 | Respiration | 8 | 136 | 806 | 1048 |
| 190 | Dentistry | 13 | 133 | 258 | 361 |
| 190 | Statistical physics | 1 | 133 | 3601 | 2200 |
| 192 | Physical Chemistry | 10 | 128 | 1207 | 1577 |
| 193 | Bioengineering | 7 | 127 | 2567 | 3139 |
| 193 | Kidney diseases | 9 | 127 | 434 | 639 |
| 195 | Bacteria | 2 | 126 | 393 | 380 |
| 196 | Microcirculation | 1 | 124 | 727 | 370 |
| 196 | Blood vessels | 1 | 124 | 632 | 301 |
| 198 | Technology | 10 | 118 | 1999 | 2609 |
| 199 | Radiologic Technology | 11 | 117 | 27 | 49 |
| 199 | Interventional Radiology | 11 | 117 | 27 | 49 |
| 199 | Interventional Radiography | 11 | 117 | 27 | 49 |
| 199 | Endoscopic Surgery | 11 | 117 | 27 | 49 |
| 199 | Growth factors | 1 | 117 | 472 | 353 |
| 199 | Cytokine | 1 | 117 | 626 | 423 |
| 205 | Analytical Chemistry | 2 | 116 | 3761 | 3051 |
| 206 | Membranes | 2 | 115 | 1692 | 1500 |
| 207 | rehabilitation | 16 | 114 | 806 | 1603 |
| 208 | Japan | 6 | 113 | 1214 | 1176 |
| 209 | Obesity | 6 | 112 | 1156 | 1535 |
| 210 | Pharmacy | 8 | 111 | 1201 | 1633 |
| 210 | Emergency Medical Services | 9 | 111 | 274 | 426 |
| 212 | prostaglandins | 5 | 109 | 309 | 352 |
| 213 | Nuclear Medicine | 6 | 105 | 584 | 646 |
| 213 | Molecular Imaging | 6 | 105 | 385 | 515 |
| 213 | locomotion | 6 | 105 | 419 | 558 |
| 213 | posture | 6 | 105 | 419 | 558 |
| 213 | gait | 6 | 105 | 419 | 558 |
| 213 | walking | 6 | 105 | 419 | 558 |
| 219 | Randomized Controlled Trials | 7 | 103 | 561 | 601 |
| 220 | Astrocytes | 3 | 100 | 406 | 556 |
| 220 | Growth | 9 | 100 | 571 | 1127 |
| 222 | gene transfer | 2 | 96 | 310 | 240 |
| 222 | genetic transformation | 2 | 96 | 310 | 240 |
| 224 | Biomedical Engineering | 12 | 95 | 2473 | 3734 |
| 225 | Pharmacogenetics | 4 | 93 | 680 | 801 |
| 226 | Epidemiology | 2 | 92 | 3162 | 2515 |
| 227 | Pharmaceutical Chemistry | 7 | 90 | 2172 | 2743 |
| 228 | Clinical Chemistry | 10 | 89 | 1312 | 2126 |
| 229 | Antibacterial agents | 3 | 87 | 583 | 703 |
| 230 | scientific societies | 1 | 86 | 1138 | 658 |
| 230 | Multiple sclerosis | 4 | 86 | 449 | 373 |
| 232 | Respiratory system | 4 | 85 | 434 | 560 |
| 233 | nucleic acids | 2 | 84 | 1511 | 1469 |
| 234 | Forensic Genetics | 1 | 83 | 395 | 245 |
| 235 | Electrophysiology | 6 | 82 | 604 | 727 |
| 236 | Organic Chemistry | 4 | 81 | 2451 | 2526 |
| 236 | Analytical Biochemistry | 5 | 81 | 1294 | 1507 |
| 236 | Bioorganic chemistry | 4 | 81 | 2212 | 2439 |
| 239 | blood transfusion | 5 | 79 | 383 | 446 |
| 240 | Vaccines | 5 | 77 | 1084 | 1396 |
| 241 | Psychoneuroimmunology | 4 | 75 | 457 | 775 |
| 241 | Neuroimmunology | 4 | 75 | 527 | 837 |
| 241 | Muscles | 3 | 75 | 697 | 847 |
| 244 | Pharmacogenomics | 1 | 74 | 487 | 322 |
| 245 | Analytical Toxicology | 2 | 73 | 244 | 204 |
| 245 | Cardiac electrophysiology | 4 | 73 | 175 | 281 |
| 245 | Food | 5 | 73 | 2287 | 2968 |
| 245 | arrhythmia | 4 | 73 | 175 | 281 |
| 249 | Extracellular matrix | 3 | 72 | 230 | 354 |
| 249 | Gastrointestinal diseases | 5 | 72 | 453 | 553 |
| 249 | collagen | 3 | 72 | 243 | 367 |
| 252 | Neuromuscular diseases | 2 | 71 | 631 | 602 |
| 253 | Neuropharmacology | 14 | 69 | 183 | 610 |
| 253 | complementary therapies | 5 | 69 | 1250 | 1705 |
| 253 | Cerebellum | 3 | 69 | 255 | 325 |
| 253 | extraterrestrial environment | 3 | 69 | 564 | 499 |
| 253 | astronomical phenomena | 3 | 69 | 509 | 463 |
| 253 | Cognition | 3 | 69 | 1540 | 1578 |
| 253 | Cerebellar ataxia | 3 | 69 | 255 | 325 |
| 260 | Nanotechnology | 2 | 68 | 4121 | 3912 |
| 260 | Hippocampus | 2 | 68 | 346 | 425 |
| 262 | Agricultural Chemistry | 4 | 66 | 1821 | 2183 |
| 262 | Histocompatibility Testing | 2 | 66 | 540 | 452 |
| 264 | Biofeedback | 7 | 65 | 20 | 189 |
| 264 | behavior therapy | 7 | 65 | 490 | 840 |
| 266 | Molecular structure | 3 | 64 | 2380 | 2214 |
| 267 | Photochemistry | 3 | 63 | 1634 | 1764 |
| 268 | primary prevention | 8 | 61 | 181 | 471 |
| 268 | pain | 3 | 61 | 1094 | 1256 |
| 268 | Exercise | 4 | 61 | 1251 | 1365 |
| 271 | Pediatric Hematology | 6 | 60 | 215 | 254 |
| 271 | Music | 1 | 60 | 1413 | 699 |
| 271 | voice | 1 | 60 | 803 | 464 |
| 274 | industrial hygiene | 5 | 59 | 720 | 776 |
| 274 | Sleep Disorders | 3 | 59 | 1236 | 1309 |
| 274 | Sleep | 3 | 59 | 1261 | 1330 |
| 277 | Zoology | 2 | 58 | 2525 | 2055 |
| 277 | Medical Technology | 5 | 58 | 1099 | 1657 |
| 279 | Sports Medicine | 5 | 57 | 1783 | 2001 |
| 280 | Lung Transplantation | 2 | 56 | 370 | 392 |
| 280 | Heart transplantation | 2 | 56 | 370 | 392 |
| 280 | Visual Perception | 7 | 56 | 871 | 1383 |
| 280 | Light | 2 | 56 | 997 | 1126 |
| 280 | Attention | 7 | 56 | 917 | 1458 |
| 280 | Perception | 7 | 56 | 999 | 1543 |
| 286 | Bioenergetics | 2 | 55 | 955 | 1074 |
| 286 | Energy metabolism | 2 | 55 | 640 | 708 |
| 288 | Botany | 1 | 53 | 4009 | 3473 |
| 288 | Gene expression regulation | 1 | 53 | 1330 | 1051 |
| 288 | DNA methylation | 1 | 53 | 458 | 432 |
| 288 | plant molecular biology | 1 | 53 | 1944 | 1889 |
| 288 | Plants | 1 | 53 | 2568 | 2123 |
| 288 | Plant cells | 1 | 53 | 1302 | 1493 |
| 294 | Neuropsychology | 5 | 52 | 1583 | 2208 |
| 294 | Proteome | 4 | 52 | 869 | 1288 |
| 294 | enzymes | 4 | 52 | 1181 | 1672 |
| 297 | fishing industry | 1 | 51 | 239 | 128 |
| 297 | Fisheries | 1 | 51 | 2080 | 1493 |
| 299 | hygiene | 1 | 50 | 862 | 649 |
| 300 | Information Technology | 1 | 49 | 3547 | 2609 |
| 300 | Educational Technology | 1 | 49 | 2595 | 1945 |
| 300 | Anti-inflammatory agents | 2 | 49 | 326 | 336 |
| 300 | Inflammation | 2 | 49 | 1175 | 1411 |
| 300 | Amyloidosis | 2 | 49 | 159 | 178 |
| 300 | vitamin C | 2 | 49 | 497 | 668 |
| 300 | vitamin E | 2 | 49 | 497 | 668 |
| 307 | Amyotrophic Lateral Sclerosis | 1 | 48 | 360 | 311 |
| 307 | Coronary heart disease | 9 | 48 | 39 | 179 |
| 309 | Environment | 3 | 44 | 3885 | 5140 |
| 310 | Physical Therapy | 11 | 43 | 582 | 1413 |
| 310 | anesthesia | 3 | 43 | 494 | 449 |
| 312 | Infections | 2 | 40 | 1083 | 1350 |
| 312 | DNS | 3 | 40 | 460 | 703 |
| 312 | genome | 3 | 40 | 1248 | 1802 |
| 315 | Developmental Disabilities | 4 | 39 | 794 | 1325 |
| 316 | cell membrane | 1 | 38 | 755 | 760 |
| 317 | Neurotoxicology | 1 | 37 | 962 | 999 |
| 317 | Sports | 3 | 37 | 1938 | 2013 |
| 319 | Clinical Trials | 2 | 36 | 549 | 563 |
| 319 | Synaptic Transmission | 1 | 36 | 685 | 685 |
| 321 | disabilities | 4 | 34 | 565 | 950 |
| 321 | Asia | 5 | 34 | 2206 | 2981 |
| 323 | Combinatorial chemistry | 1 | 33 | 1059 | 1162 |
| 323 | Chromosomes | 2 | 33 | 981 | 1244 |
| 323 | rare diseases | 4 | 33 | 451 | 767 |
| 323 | miniaturization | 1 | 33 | 2375 | 2276 |
| 323 | Cerebral cortex | 2 | 33 | 927 | 1198 |
| 328 | Behavior | 3 | 32 | 2637 | 3741 |
| 329 | Quality of life | 1 | 31 | 2094 | 2078 |
| 330 | Eating Disorders | 2 | 30 | 905 | 1110 |
| 330 | Feeding and Eating Disorders | 2 | 30 | 876 | 1074 |
| 330 | amino acids | 1 | 30 | 967 | 992 |
| 333 | Developmental Neurobiology | 1 | 29 | 894 | 787 |
| 334 | Radiation Oncology | 1 | 28 | 532 | 545 |
| 334 | Oxidative stress | 2 | 28 | 972 | 1602 |
| 334 | Cellular senescence | 2 | 28 | 385 | 903 |
| 334 | Functional foods | 2 | 28 | 481 | 749 |
| 334 | Animal welfare | 2 | 28 | 338 | 504 |
| 334 | Diet | 4 | 28 | 1455 | 2628 |
| 334 | Phytotherapy | 2 | 28 | 855 | 1243 |
| 334 | tomography | 1 | 28 | 560 | 435 |
| 342 | mutation | 1 | 27 | 831 | 942 |
| 342 | Electroconvulsive therapy | 1 | 27 | 183 | 179 |
| 342 | Spectrum analysis | 3 | 27 | 3443 | 4103 |
| 342 | Endocrine system | 2 | 27 | 718 | 437 |
| 346 | Cross-Cultural Studies | 2 | 26 | 926 | 1189 |
| 346 | cross-cultural comparison | 2 | 26 | 663 | 869 |
| 348 | Jurisprudence | 2 | 25 | 1034 | 1106 |
| 349 | Neonatology | 2 | 24 | 693 | 930 |
| 349 | Veterinary Immunology | 2 | 24 | 392 | 569 |
| 351 | environmental pollution | 2 | 23 | 3958 | 4911 |
| 351 | cardiac catheterization | 5 | 23 | 425 | 657 |
| 351 | Chromatographic analysis | 2 | 23 | 1965 | 2280 |
| 351 | Intellectual disability | 2 | 23 | 866 | 1083 |
| 351 | Pollution | 2 | 23 | 4586 | 5525 |
| 356 | Pediatric Endocrinology | 3 | 22 | 318 | 420 |
| 356 | Laser therapy | 2 | 22 | 550 | 658 |
| 356 | Bipolar Disorder | 1 | 22 | 478 | 575 |
| 356 | Adolescent | 3 | 22 | 1859 | 2555 |
| 356 | Metabolic disorders in children | 3 | 22 | 286 | 388 |
| 361 | Hematopoiesis | 1 | 21 | 116 | 113 |
| 361 | Crystallography | 2 | 21 | 1800 | 1576 |
| 361 | Echocardiography | 1 | 21 | 196 | 212 |
| 364 | Medicinal plants | 1 | 20 | 2038 | 2365 |
| 364 | Drug delivery systems | 2 | 20 | 1756 | 2319 |
| 364 | X-rays | 1 | 20 | 847 | 738 |
| 367 | monoclonal antibodies | 1 | 19 | 468 | 459 |
| 368 | peptides | 2 | 18 | 970 | 1349 |
| 368 | Peptide | 2 | 18 | 237 | 322 |
| 370 | Palliative Care | 6 | 17 | 496 | 1173 |
| 370 | monitoring | 2 | 17 | 335 | 492 |
| 372 | Geriatric Psychiatry | 4 | 16 | 736 | 1514 |
| 372 | Precision medicine | 1 | 16 | 363 | 374 |
| 372 | epilepsy | 1 | 16 | 1228 | 1385 |
| 372 | Gerontology | 1 | 16 | 2514 | 2372 |
| 372 | feeding behavior | 1 | 16 | 1095 | 1382 |
| 372 | Appetite | 1 | 16 | 983 | 1265 |
| 378 | Andrology | 2 | 15 | 654 | 982 |
| 379 | Sociology | 2 | 14 | 3363 | 4122 |
| 379 | Neurosurgery | 1 | 14 | 1156 | 1326 |
| 379 | Medical Physics | 5 | 14 | 1104 | 2049 |
| 379 | occupational health and safety | 1 | 14 | 207 | 228 |
| 379 | Medical Anthropology | 2 | 14 | 1343 | 2127 |
| 379 | Biomarkers | 2 | 14 | 521 | 862 |
| 379 | Aerosols | 1 | 14 | 814 | 885 |
| 379 | movement | 2 | 14 | 431 | 815 |
| 379 | biochemical markers | 2 | 14 | 751 | 1216 |
| 379 | drug evaluation | 1 | 14 | 1731 | 2057 |
| 379 | aerosol | 1 | 14 | 593 | 674 |
| 379 | Influenza | 3 | 14 | 172 | 514 |
| 391 | Molecular Pharmacology | 1 | 13 | 1106 | 1469 |
| 391 | Combustion | 1 | 13 | 1706 | 1943 |
| 391 | Drug design | 1 | 13 | 2155 | 2425 |
| 391 | Turbulence | 1 | 13 | 402 | 473 |
| 395 | Otolaryngology | 2 | 12 | 552 | 827 |
| 395 | Qualitative Research | 1 | 12 | 879 | 1019 |
| 395 | Trace elements | 2 | 12 | 359 | 813 |
| 398 | Occupational Therapy | 4 | 11 | 839 | 1444 |
| 398 | Long-Term Care | 1 | 11 | 756 | 984 |
| 398 | food technology | 2 | 11 | 2679 | 3729 |
| 398 | Long-term care facilities | 1 | 11 | 749 | 975 |
| 398 | Mycology | 1 | 11 | 1992 | 2290 |
| 398 | mycoses | 1 | 11 | 1085 | 1352 |
| 398 | glycoproteins | 1 | 11 | 676 | 920 |
| 398 | Glycoconjugates | 1 | 11 | 676 | 920 |
| 398 | Oligosaccharide | 1 | 11 | 485 | 704 |
| 398 | Carbohydrates | 1 | 11 | 675 | 878 |
| 398 | Androgens | 1 | 11 | 359 | 529 |
| 398 | United States | 1 | 11 | 5527 | 5690 |
| 398 | glycolipids | 1 | 11 | 676 | 920 |
| 411 | Education | 3 | 10 | 3401 | 4658 |
| 411 | Artificial Organs | 1 | 10 | 834 | 966 |
| 411 | body temperature | 1 | 10 | 993 | 1301 |
| 411 | Pregnancy | 1 | 10 | 1257 | 1580 |
| 415 | Environmental Toxicology | 2 | 9 | 2531 | 3739 |
| 415 | Computational Biology | 2 | 9 | 2542 | 3629 |
| 415 | Neurotransmitters | 14 | 9 | 173 | 746 |
| 415 | Cognitive Therapy | 1 | 9 | 986 | 1283 |
| 415 | Herbal medicine | 1 | 9 | 1253 | 1799 |
| 415 | dietary supplements | 1 | 9 | 1427 | 1997 |
| 415 | Developmental Immunology | 2 | 9 | 701 | 1208 |
| 415 | Mitochondria | 1 | 9 | 502 | 777 |
| 415 | Cell death | 2 | 9 | 1065 | 1738 |
| 415 | Microscopy | 3 | 9 | 1362 | 2221 |
| 425 | Clinical Psychology | 1 | 8 | 1562 | 1964 |
| 425 | Comparative Physiology | 1 | 8 | 1104 | 1465 |
| 425 | Orthopedic Surgery | 1 | 8 | 1008 | 1219 |
| 425 | Organometallic chemistry | 2 | 8 | 2365 | 3184 |
| 425 | embryonic development | 1 | 8 | 646 | 924 |
| 425 | Lymphatic system | 2 | 8 | 106 | 269 |
| 425 | Brachytherapy | 2 | 8 | 209 | 356 |
| 425 | Organometallic compounds | 2 | 8 | 1513 | 2174 |
| 425 | Algae | 1 | 8 | 1046 | 1298 |
| 425 | Ion channels | 1 | 8 | 215 | 347 |
| 425 | Seaweed | 1 | 8 | 821 | 1139 |
| 425 | Drug discovery | 1 | 8 | 470 | 722 |
| 437 | Oral Medicine | 1 | 7 | 1144 | 1415 |
| 437 | Immunogenetics | 1 | 7 | 817 | 1072 |
| 437 | Sexual health | 3 | 7 | 645 | 1183 |
| 437 | Photobiology | 1 | 7 | 2060 | 2637 |
| 437 | human behavior | 2 | 7 | 2596 | 4142 |
| 437 | diseases | 1 | 7 | 537 | 802 |
| 437 | Disease | 1 | 7 | 531 | 839 |
| 437 | Primates | 1 | 7 | 1008 | 1260 |
| 445 | Genetic Toxicology | 1 | 6 | 740 | 1145 |
| 445 | Geriatric Pharmacology | 1 | 6 | 419 | 625 |
| 445 | Animal Behavior | 1 | 6 | 2299 | 2993 |
| 445 | Neurovirology | 1 | 6 | 404 | 610 |
| 445 | Research Design | 1 | 6 | 1590 | 2145 |
| 445 | Environmental monitoring | 1 | 6 | 4275 | 5262 |
| 445 | Electrocardiography | 1 | 6 | 533 | 653 |
| 445 | Geriatric Oncology | 1 | 6 | 798 | 1186 |
| 445 | Chromatography | 1 | 6 | 2111 | 2626 |
| 445 | Child psychology | 1 | 6 | 1883 | 2416 |
| 445 | Elderly | 1 | 6 | 1712 | 1573 |
| 445 | older people | 1 | 6 | 2117 | 2275 |
| 445 | sexual behavior | 1 | 6 | 1070 | 1499 |
| 458 | Polymers | 2 | 5 | 3932 | 5079 |
| 458 | Psychiatric Nursing | 1 | 5 | 1048 | 1415 |
| 458 | Industrial Safety | 2 | 5 | 1432 | 2342 |
| 458 | Dance therapy | 1 | 5 | 351 | 555 |
| 458 | animals | 1 | 5 | 1746 | 2207 |
| 458 | natural products | 1 | 5 | 2501 | 3010 |
| 458 | Safety management | 1 | 5 | 1161 | 1635 |
| 458 | polymerization | 2 | 5 | 3463 | 4588 |
| 466 | Biochemical Engineering | 1 | 4 | 3555 | 4469 |
| 466 | Medical Microbiology | 1 | 4 | 2402 | 3221 |
| 466 | General Surgery | 1 | 4 | 760 | 958 |
| 466 | Nuclear Chemistry | 1 | 4 | 1570 | 1964 |
| 466 | Radiochemistry | 1 | 4 | 1496 | 1848 |
| 466 | Computer-Aided Design | 1 | 4 | 1830 | 2360 |
| 466 | Bioethics | 1 | 4 | 1410 | 1816 |
| 466 | Bioinformatics | 1 | 4 | 2554 | 3266 |
| 466 | Sarcopenia | 1 | 4 | 620 | 915 |
| 466 | orphan drugs | 1 | 4 | 149 | 187 |
| 466 | Environmental pollutants | 1 | 4 | 2881 | 3754 |
| 466 | Physical fitness | 1 | 4 | 1499 | 2005 |
| 466 | Cheminformatics | 1 | 4 | 573 | 944 |
| 466 | Decision making | 1 | 4 | 2205 | 2952 |
| 466 | drug toxicity | 1 | 4 | 928 | 1513 |
| 481 | Genetic Counseling | 1 | 3 | 330 | 532 |
| 481 | School Psychology | 1 | 3 | 724 | 1167 |
| 481 | Educational Psychology | 1 | 3 | 2016 | 2737 |
| 481 | hospice care | 1 | 3 | 840 | 1329 |
| 481 | pain management | 1 | 3 | 860 | 1210 |
| 481 | visualization | 3 | 3 | 1360 | 2111 |
| 487 | Global Health | 1 | 2 | 1673 | 2484 |
| 487 | Occupational Health | 2 | 2 | 1194 | 2289 |
| 487 | Electronics | 3 | 2 | 2907 | 4524 |
| 487 | Pediatric Ophthalmology | 1 | 2 | 112 | 195 |
| 487 | health services accessibility | 1 | 2 | 1394 | 2103 |
| 487 | Genetic testing | 1 | 2 | 585 | 981 |
| 487 | risk factors | 2 | 2 | 700 | 1246 |
| 487 | Strabismus | 1 | 2 | 112 | 195 |
| 487 | Cardiopulmonary Resuscitation | 1 | 2 | 316 | 456 |
| 487 | psychopathology | 1 | 2 | 460 | 696 |
| 487 | cardiac arrest | 1 | 2 | 316 | 456 |
| 487 | men | 1 | 2 | 596 | 1020 |
| 487 | men's health | 1 | 2 | 66 | 145 |
| 487 | Telecommunication | 1 | 2 | 3314 | 4093 |
| 487 | disease vectors | 1 | 2 | 1366 | 2005 |
| 487 | Australia | 1 | 2 | 2686 | 3645 |
| 487 | Autism | 1 | 2 | 989 | 1507 |
| 487 | Zoonoses | 1 | 2 | 513 | 920 |
| 505 | Materials Science | 3 | 1 | 3542 | 5327 |
| 505 | Electrical Engineering | 3 | 1 | 2862 | 4545 |
| 505 | Nursing | 1 | 1 | 2646 | 3470 |
| 505 | Oncology Nursing | 2 | 1 | 6 | 42 |
| 505 | Mechatronics | 1 | 1 | 1429 | 2046 |
| 505 | Optics | 1 | 1 | 4391 | 5103 |
| 505 | Photography | 1 | 1 | 1476 | 1666 |
| 505 | Social Psychology | 1 | 1 | 2990 | 3994 |
| 505 | Melanoma | 1 | 1 | 331 | 601 |
| 505 | patient satisfaction | 1 | 1 | 281 | 525 |
| 505 | Biogeochemistry | 1 | 1 | 1450 | 2159 |
| 505 | Exercise therapy | 2 | 1 | 608 | 1392 |
| 505 | counseling | 1 | 1 | 1861 | 2651 |
| 505 | psychotherapy | 1 | 1 | 1703 | 2342 |
| 505 | Consciousness | 1 | 1 | 815 | 1212 |
| 505 | vitamins | 1 | 1 | 285 | 610 |
| 521 | Neurogenetics | 1 | 0 | 524 | 886 |
| 521 | Acoustics | 1 | 0 | 577 | 854 |
| 521 | Image Processing | 1 | 0 | 2780 | 3712 |
| 521 | Computational Intelligence | 1 | 0 | 1228 | 2003 |
| 521 | Evidence-Based Medicine | 1 | 0 | 1216 | 1902 |
| 521 | Fluorescence spectroscopy | 1 | 0 | 381 | 669 |
| 521 | acupuncture | 1 | 0 | 412 | 671 |
| 521 | Molecular Spectroscopy | 1 | 0 | 2425 | 3251 |
| 521 | Sound | 1 | 0 | 1555 | 2162 |
| 521 | Electrons | 1 | 0 | 173 | 360 |
| 521 | phototherapy | 2 | 0 | 144 | 446 |