| 1 | Chemical Engineering | 58 | 5.6K | 1349 | 607 |
| 2 | Biochemical Engineering | 21 | 3.1K | 1492 | 749 |
| 3 | Biochemistry | 159 | 2.9K | 1851 | 2373 |
| 4 | Medicine | 224 | 2.9K | 1447 | 2730 |
| 5 | Environmental Health | 142 | 2.8K | 643 | 1048 |
| 6 | Pharmacology | 121 | 2.7K | 993 | 1130 |
| 7 | Biology | 131 | 2.4K | 1948 | 3549 |
| 8 | Oncology | 30 | 2.4K | 712 | 730 |
| 9 | Ecology | 45 | 2.3K | 2153 | 1770 |
| 10 | Toxicology | 98 | 2.3K | 838 | 1002 |
| 11 | Pollution | 60 | 2.2K | 1479 | 1569 |
| 12 | Nutrition | 130 | 1.9K | 546 | 1004 |
| 13 | Physiology | 77 | 1.9K | 950 | 1092 |
| 14 | Molecular Biology | 151 | 1.7K | 1465 | 2991 |
| 15 | environmental pollution | 28 | 1.7K | 1813 | 1259 |
| 16 | Metabolic diseases | 113 | 1.6K | 317 | 877 |
| 17 | Diabetes mellitus | 108 | 1.5K | 256 | 750 |
| 17 | Diabetes | 108 | 1.5K | 300 | 788 |
| 19 | Neurology | 71 | 1.5K | 1552 | 1997 |
| 20 | Cell Biology | 66 | 1.4K | 1076 | 1855 |
| 21 | Chemistry | 64 | 1.4K | 3295 | 3769 |
| 22 | Environmental Policy | 12 | 1.3K | 1916 | 928 |
| 23 | Public Health | 91 | 1.3K | 1055 | 1687 |
| 24 | Environment | 23 | 1.2K | 2312 | 2264 |
| 25 | Endocrinology | 65 | 1.2K | 766 | 1246 |
| 26 | Environmental Management | 16 | 1.2K | 1420 | 797 |
| 27 | Environmental monitoring | 37 | 1.2K | 1155 | 1233 |
| 28 | Cytology | 61 | 1.1K | 1228 | 2103 |
| 29 | Toxins | 46 | 1.1K | 70 | 87 |
| 30 | environmental protection | 35 | 1.1K | 969 | 984 |
| 31 | Mycology | 25 | 1.0K | 558 | 413 |
| 32 | Science | 60 | 998 | 3534 | 5672 |
| 33 | Research | 90 | 946 | 2161 | 3757 |
| 34 | Biotechnology | 47 | 903 | 2046 | 2815 |
| 35 | Engineering | 49 | 819 | 1099 | 998 |
| 36 | Diet | 34 | 795 | 660 | 927 |
| 37 | Nervous system | 17 | 742 | 1252 | 1186 |
| 38 | Water pollution | 27 | 728 | 1000 | 1189 |
| 39 | complementary therapies | 41 | 723 | 308 | 350 |
| 40 | Bioengineering | 19 | 716 | 2239 | 2276 |
| 41 | Alternative Medicine | 39 | 715 | 300 | 347 |
| 42 | Epidemiology | 42 | 689 | 1147 | 1514 |
| 43 | Food | 28 | 673 | 1112 | 1217 |
| 44 | Waste management | 23 | 669 | 346 | 247 |
| 45 | Water quality management | 25 | 667 | 528 | 427 |
| 46 | Microbiology | 71 | 665 | 1815 | 3687 |
| 47 | locomotion | 13 | 650 | 286 | 147 |
| 47 | posture | 13 | 650 | 286 | 147 |
| 47 | gait | 13 | 650 | 286 | 147 |
| 47 | walking | 13 | 650 | 286 | 147 |
| 51 | cell physiology | 23 | 563 | 558 | 905 |
| 52 | Child | 20 | 535 | 1124 | 909 |
| 53 | Water Purification | 16 | 523 | 381 | 251 |
| 54 | rehabilitation | 24 | 514 | 751 | 861 |
| 55 | Adolescent | 18 | 510 | 923 | 734 |
| 56 | cell interaction | 12 | 509 | 592 | 454 |
| 57 | radioactive waste | 5 | 488 | 633 | 394 |
| 57 | industrial waste | 5 | 488 | 670 | 395 |
| 57 | Hazardous waste | 5 | 488 | 784 | 426 |
| 60 | Genetics | 28 | 467 | 1589 | 2658 |
| 61 | Immunology | 30 | 457 | 1671 | 2535 |
| 62 | Tropical Medicine | 16 | 446 | 841 | 606 |
| 63 | Ultrasonics | 4 | 444 | 1093 | 438 |
| 63 | Sonochemistry | 4 | 444 | 554 | 256 |
| 65 | Environmental Engineering | 34 | 428 | 1256 | 2140 |
| 66 | Photochemistry | 7 | 425 | 1444 | 771 |
| 66 | Photobiology | 7 | 425 | 1058 | 506 |
| 68 | Parasitology | 42 | 423 | 622 | 1058 |
| 69 | Obstetrics | 36 | 422 | 823 | 1234 |
| 70 | China | 18 | 421 | 1331 | 1019 |
| 71 | Dermatology | 21 | 405 | 831 | 877 |
| 72 | Cancer | 32 | 399 | 1481 | 2501 |
| 73 | Signal Transduction | 7 | 397 | 1112 | 890 |
| 74 | Metabolism | 20 | 396 | 1485 | 2026 |
| 75 | Surface Chemistry | 9 | 395 | 2849 | 2237 |
| 75 | Colloids | 9 | 395 | 2798 | 2307 |
| 77 | Obesity | 10 | 389 | 1388 | 1261 |
| 78 | venom | 16 | 388 | 241 | 255 |
| 79 | Biophysics | 25 | 378 | 2915 | 3529 |
| 80 | Psychophysiology | 10 | 376 | 1975 | 1846 |
| 81 | Inflammation | 14 | 374 | 550 | 653 |
| 82 | Oxidative stress | 8 | 370 | 735 | 663 |
| 83 | disabilities | 16 | 369 | 235 | 231 |
| 84 | Analytical Chemistry | 19 | 367 | 2459 | 2676 |
| 84 | Industrial Safety | 19 | 367 | 347 | 376 |
| 86 | Nanotechnology | 11 | 363 | 3493 | 3264 |
| 87 | drugs | 14 | 353 | 1177 | 1092 |
| 88 | Occupational Health | 21 | 352 | 344 | 364 |
| 89 | Cellular senescence | 7 | 342 | 443 | 366 |
| 90 | Pharmaceutical Chemistry | 23 | 322 | 1854 | 2712 |
| 91 | Multiple sclerosis | 16 | 311 | 185 | 116 |
| 92 | voice | 23 | 298 | 81 | 154 |
| 93 | industrial hygiene | 20 | 292 | 327 | 287 |
| 94 | Music | 22 | 291 | 219 | 244 |
| 94 | Reproduction | 10 | 291 | 1644 | 1404 |
| 96 | Metabolic syndrome | 14 | 290 | 37 | 32 |
| 97 | Psychology | 15 | 289 | 2912 | 2929 |
| 98 | environmental exposure | 9 | 286 | 1238 | 1148 |
| 99 | cytokines | 20 | 284 | 412 | 807 |
| 100 | Pathology | 13 | 277 | 1468 | 1828 |
| 101 | Neurophysiology | 16 | 274 | 1612 | 2245 |
| 101 | mycoses | 8 | 274 | 527 | 719 |
| 103 | preimplantation genetic diagnosis | 6 | 269 | 336 | 158 |
| 103 | Drug delivery systems | 19 | 269 | 539 | 1095 |
| 103 | embryo transfer | 6 | 269 | 352 | 172 |
| 106 | free radicals | 4 | 265 | 1548 | 1180 |
| 107 | Pharmaceutical Technology | 10 | 263 | 980 | 949 |
| 108 | Pregnancy | 23 | 262 | 190 | 375 |
| 109 | food technology | 5 | 260 | 2463 | 1701 |
| 110 | Occupational Therapy | 18 | 256 | 341 | 267 |
| 111 | viruses | 9 | 253 | 1079 | 1338 |
| 112 | Psychiatry | 27 | 251 | 1944 | 3257 |
| 113 | Hydrology | 6 | 246 | 2258 | 1569 |
| 114 | Medical Microbiology | 12 | 239 | 1518 | 2123 |
| 115 | antibiotics | 1 | 235 | 860 | 198 |
| 116 | Quality Control | 6 | 231 | 1523 | 1046 |
| 117 | Recycling | 1 | 229 | 1258 | 583 |
| 118 | Catalysis | 2 | 224 | 4355 | 2854 |
| 118 | air quality management | 6 | 224 | 322 | 267 |
| 120 | Enteral nutrition | 9 | 221 | 535 | 678 |
| 120 | Parenteral nutrition | 9 | 221 | 707 | 847 |
| 122 | Immunopharmacology | 17 | 217 | 323 | 598 |
| 123 | Environmental Toxicology | 6 | 214 | 2170 | 2112 |
| 124 | pollutants | 5 | 211 | 1835 | 1542 |
| 124 | Environmental pollutants | 5 | 211 | 2236 | 1799 |
| 126 | Pediatrics | 32 | 210 | 931 | 2352 |
| 127 | Neuropsychology | 17 | 208 | 1127 | 1721 |
| 128 | Hematology | 18 | 206 | 1999 | 2494 |
| 129 | Chemical industry | 3 | 204 | 1690 | 642 |
| 130 | Cardiovascular diseases | 21 | 203 | 659 | 1053 |
| 131 | Marine Biology | 9 | 201 | 1900 | 1950 |
| 131 | Immunotherapy | 16 | 201 | 918 | 1753 |
| 133 | Climatology | 3 | 200 | 2151 | 1381 |
| 133 | bioclimatology | 3 | 200 | 1173 | 507 |
| 133 | Climate | 3 | 200 | 730 | 403 |
| 133 | weather | 3 | 200 | 684 | 309 |
| 137 | Sedimentology | 9 | 198 | 308 | 424 |
| 137 | soil pollution | 9 | 198 | 206 | 233 |
| 137 | Pakistan | 13 | 198 | 146 | 42 |
| 140 | Virology | 14 | 197 | 1909 | 3389 |
| 141 | Materials Science | 4 | 195 | 5079 | 3565 |
| 141 | Neurochemistry | 21 | 195 | 1113 | 2064 |
| 141 | Psychopharmacology | 7 | 195 | 1336 | 1470 |
| 144 | Clinical Chemistry | 12 | 191 | 1927 | 2606 |
| 144 | Brain | 19 | 191 | 1384 | 2288 |
| 146 | Parasites | 28 | 190 | 438 | 1052 |
| 147 | Histology | 11 | 186 | 1184 | 1597 |
| 148 | Mutagenesis | 8 | 181 | 199 | 208 |
| 149 | wind erosion | 3 | 180 | 103 | 57 |
| 150 | Surface-Active Agents | 4 | 176 | 1124 | 981 |
| 150 | Surface properties | 4 | 176 | 1212 | 1090 |
| 152 | Natural history | 2 | 175 | 6204 | 5839 |
| 153 | Environmental Geology | 2 | 174 | 2368 | 1285 |
| 154 | Anti-inflammatory agents | 8 | 172 | 89 | 99 |
| 155 | Physics | 2 | 171 | 12301 | 9429 |
| 155 | drug resistance | 7 | 171 | 421 | 486 |
| 157 | Green Technology | 2 | 170 | 716 | 143 |
| 158 | Parasitic Diseases | 22 | 168 | 833 | 1797 |
| 159 | Ethnology | 7 | 167 | 1129 | 724 |
| 159 | DNA repair | 3 | 167 | 347 | 247 |
| 161 | Physical Therapy | 19 | 163 | 505 | 1173 |
| 161 | teratogenic agents | 7 | 163 | 76 | 49 |
| 161 | carcinogens | 7 | 163 | 722 | 983 |
| 164 | drug therapy | 4 | 162 | 2687 | 2150 |
| 164 | Cell communication | 9 | 162 | 427 | 666 |
| 166 | Geomorphology | 1 | 161 | 2333 | 1239 |
| 166 | Soil Science | 1 | 161 | 3378 | 1617 |
| 166 | Herbal medicine | 11 | 161 | 255 | 570 |
| 169 | Sexual health | 3 | 158 | 905 | 481 |
| 170 | Pharmacy | 8 | 155 | 1607 | 1846 |
| 170 | nanoscience | 2 | 155 | 3968 | 2729 |
| 172 | occupational diseases | 7 | 154 | 672 | 775 |
| 172 | Nanoparticles | 4 | 154 | 2019 | 1632 |
| 174 | Embryology | 4 | 151 | 1681 | 1694 |
| 174 | Randomized Controlled Trials | 15 | 151 | 509 | 675 |
| 176 | Pharmacokinetics | 11 | 150 | 441 | 757 |
| 176 | Drug design | 14 | 150 | 797 | 1520 |
| 178 | energy conservation | 13 | 147 | 930 | 2015 |
| 179 | Nanobiotechnology | 1 | 146 | 969 | 404 |
| 179 | Marine Pollution | 6 | 146 | 1005 | 1204 |
| 179 | food handling | 1 | 146 | 1825 | 850 |
| 182 | Mental Disorders | 22 | 139 | 1399 | 3062 |
| 183 | Emergency Medicine | 12 | 138 | 921 | 1160 |
| 183 | Eating Disorders | 8 | 138 | 573 | 741 |
| 183 | Feeding and Eating Disorders | 8 | 138 | 553 | 717 |
| 186 | Mental Health | 14 | 131 | 776 | 1230 |
| 186 | Materials | 3 | 131 | 6765 | 5212 |
| 188 | Reproductive health | 10 | 130 | 399 | 609 |
| 189 | Immunopathology | 3 | 127 | 1766 | 1465 |
| 190 | Ecological Engineering | 1 | 125 | 1363 | 715 |
| 190 | Municipal Engineering | 4 | 125 | 317 | 219 |
| 190 | Carcinogenesis | 2 | 125 | 1547 | 1186 |
| 193 | Medical genetics | 11 | 124 | 2046 | 3383 |
| 193 | Contraception | 8 | 124 | 382 | 551 |
| 193 | Birth control | 8 | 124 | 245 | 384 |
| 196 | Biomedical Engineering | 18 | 123 | 2694 | 4856 |
| 197 | Women's health | 15 | 122 | 504 | 1045 |
| 198 | Water | 6 | 120 | 2153 | 2920 |
| 198 | Risk assessment | 6 | 120 | 407 | 352 |
| 198 | ecological risk assessment | 6 | 120 | 109 | 160 |
| 198 | Health Risk Assessment | 6 | 120 | 256 | 251 |
| 202 | Physical Chemistry | 3 | 118 | 2733 | 2166 |
| 203 | Behavior | 5 | 117 | 3114 | 3678 |
| 204 | Nanomedicine | 1 | 116 | 603 | 242 |
| 205 | Clinical Pharmacology | 4 | 115 | 1665 | 1479 |
| 206 | Civil Engineering | 1 | 113 | 3679 | 1033 |
| 207 | Industrial Microbiology | 8 | 110 | 1435 | 2329 |
| 207 | Chromosomes | 5 | 110 | 911 | 1163 |
| 207 | Respiration | 3 | 110 | 1889 | 1658 |
| 210 | Hypertension | 6 | 109 | 1504 | 2236 |
| 210 | Neuropharmacology | 3 | 109 | 691 | 589 |
| 210 | Gastrointestinal diseases | 10 | 109 | 322 | 539 |
| 213 | Respiratory system | 2 | 108 | 925 | 636 |
| 214 | air quality | 4 | 106 | 156 | 139 |
| 215 | Bioorganic chemistry | 8 | 104 | 2215 | 3012 |
| 215 | Phytotherapy | 11 | 104 | 340 | 839 |
| 217 | Environmental Chemistry | 10 | 102 | 1367 | 2600 |
| 217 | Immunochemistry | 7 | 102 | 779 | 1000 |
| 217 | Pesticides | 5 | 102 | 566 | 531 |
| 220 | Psychiatric Nursing | 7 | 100 | 443 | 479 |
| 221 | Molecular cloning | 11 | 99 | 830 | 1574 |
| 221 | human behavior | 5 | 99 | 2266 | 3203 |
| 223 | Dentistry | 13 | 98 | 343 | 488 |
| 223 | Safety management | 7 | 98 | 323 | 320 |
| 225 | Biopharmaceutics | 11 | 97 | 616 | 1379 |
| 225 | Organometallic chemistry | 10 | 97 | 1281 | 1599 |
| 227 | Computational Biology | 5 | 95 | 3012 | 3025 |
| 227 | Food Microbiology | 1 | 95 | 2500 | 1733 |
| 227 | Foodborne diseases | 1 | 95 | 633 | 261 |
| 230 | Medical Laboratory Science | 1 | 94 | 4206 | 2563 |
| 230 | Stem cells | 7 | 94 | 1360 | 1980 |
| 232 | Water chemistry | 3 | 92 | 365 | 243 |
| 233 | Environmental Microbiology | 2 | 91 | 2126 | 1935 |
| 234 | Biocompatible Materials | 3 | 90 | 4428 | 4646 |
| 234 | Spectrum analysis | 7 | 90 | 3773 | 4498 |
| 236 | Antioxidants | 3 | 88 | 920 | 1230 |
| 236 | Technology | 7 | 88 | 3708 | 4232 |
| 236 | vitamin C | 3 | 88 | 459 | 584 |
| 236 | vitamin E | 3 | 88 | 459 | 584 |
| 240 | Primary health care | 14 | 86 | 866 | 1783 |
| 240 | Europe | 5 | 86 | 3280 | 3012 |
| 242 | Genomics | 12 | 85 | 2162 | 4032 |
| 242 | Water Microbiology | 5 | 85 | 317 | 517 |
| 244 | Microbial Ecology | 1 | 84 | 4172 | 3270 |
| 244 | Archaea | 1 | 84 | 93 | 51 |
| 246 | Zeolites | 1 | 83 | 1709 | 1248 |
| 247 | Geriatrics | 17 | 82 | 1559 | 3110 |
| 248 | Mathematics | 4 | 81 | 6397 | 4787 |
| 248 | biomedicine | 3 | 81 | 1099 | 1029 |
| 250 | Lipids | 4 | 80 | 1437 | 1883 |
| 251 | Genetic Toxicology | 2 | 79 | 719 | 752 |
| 252 | Depression | 1 | 78 | 795 | 667 |
| 252 | Anxiety Disorders | 1 | 78 | 1054 | 878 |
| 252 | Anxiety | 1 | 78 | 1058 | 873 |
| 252 | biochemical markers | 7 | 78 | 535 | 856 |
| 256 | Bioremediation | 2 | 77 | 1333 | 1118 |
| 256 | Water quality | 1 | 77 | 647 | 197 |
| 256 | Aging | 11 | 77 | 1948 | 3149 |
| 256 | Immunity | 4 | 77 | 2115 | 3056 |
| 256 | proteins | 6 | 77 | 1946 | 2525 |
| 261 | Clinical Laboratory Science | 2 | 76 | 439 | 215 |
| 262 | Exercise therapy | 16 | 75 | 51 | 281 |
| 263 | Evolutionary Genetics | 5 | 74 | 557 | 835 |
| 263 | Molecular Epidemiology | 5 | 74 | 557 | 835 |
| 263 | medical education | 17 | 74 | 836 | 1911 |
| 263 | Digestive system diseases | 3 | 74 | 1237 | 1247 |
| 267 | Electrophoresis | 3 | 73 | 2068 | 2027 |
| 267 | Chromatography | 3 | 73 | 2091 | 1878 |
| 267 | Chromatographic analysis | 3 | 73 | 2396 | 2043 |
| 267 | Liver diseases | 9 | 73 | 1097 | 2279 |
| 271 | Diagnostic Imaging | 5 | 72 | 2144 | 2325 |
| 272 | Microcirculation | 3 | 71 | 563 | 596 |
| 272 | Laser therapy | 15 | 71 | 121 | 306 |
| 272 | Infertility | 1 | 71 | 1979 | 1498 |
| 272 | fertility | 1 | 71 | 2080 | 1580 |
| 276 | Nursing | 16 | 70 | 854 | 1668 |
| 277 | Radiology | 6 | 69 | 1485 | 1644 |
| 277 | Health | 12 | 69 | 1324 | 2833 |
| 277 | Environmental Geochemistry | 9 | 69 | 193 | 576 |
| 277 | Probiotics | 4 | 69 | 121 | 180 |
| 277 | Minerals | 9 | 69 | 378 | 891 |
| 282 | Health Policy | 16 | 67 | 1101 | 2854 |
| 282 | Cytokine | 3 | 67 | 486 | 737 |
| 282 | Developing countries | 14 | 67 | 1178 | 2718 |
| 285 | Ophthalmology | 7 | 66 | 1518 | 2238 |
| 285 | Diagnosis | 2 | 66 | 983 | 650 |
| 285 | disease susceptibility | 2 | 66 | 554 | 438 |
| 285 | Middle East | 7 | 66 | 686 | 736 |
| 285 | Growth factors | 2 | 66 | 421 | 624 |
| 285 | symptoms | 2 | 66 | 554 | 438 |
| 291 | Holistic Health | 4 | 64 | 426 | 430 |
| 291 | Radioisotopes | 9 | 64 | 810 | 1207 |
| 291 | Porous materials | 1 | 64 | 1561 | 752 |
| 294 | Chemotherapy | 1 | 63 | 2992 | 2083 |
| 294 | drug evaluation | 5 | 63 | 1298 | 1753 |
| 296 | Solid State Chemistry | 3 | 62 | 2933 | 2735 |
| 296 | Aquaculture | 3 | 62 | 1753 | 1685 |
| 298 | Entomology | 5 | 60 | 2346 | 2326 |
| 299 | Ergonomics | 3 | 59 | 1241 | 1154 |
| 299 | Emergency Medical Services | 3 | 59 | 1028 | 907 |
| 299 | Fishery management | 2 | 59 | 1283 | 997 |
| 302 | Botany | 2 | 58 | 5121 | 4752 |
| 302 | Plants | 2 | 58 | 3066 | 2719 |
| 304 | Bioinorganic chemistry | 2 | 57 | 1989 | 1868 |
| 305 | Anatomy | 4 | 56 | 2180 | 2598 |
| 305 | Dietetics | 4 | 56 | 846 | 892 |
| 305 | environmental indicators | 2 | 56 | 1668 | 1800 |
| 305 | Radiobiology | 4 | 56 | 1861 | 2190 |
| 305 | Hormones | 7 | 56 | 1070 | 1987 |
| 305 | health services | 6 | 56 | 854 | 1406 |
| 305 | diseases | 6 | 56 | 204 | 1020 |
| 312 | Global Health | 9 | 55 | 627 | 1147 |
| 312 | natural products | 2 | 55 | 2612 | 2080 |
| 312 | Allergy | 5 | 55 | 1229 | 2128 |
| 315 | Artificial Organs | 3 | 54 | 848 | 764 |
| 315 | Liposomes | 5 | 54 | 450 | 753 |
| 315 | Quality of life | 2 | 54 | 2354 | 2336 |
| 318 | Genetic engineering | 9 | 53 | 1554 | 3354 |
| 318 | Genetic recombination | 9 | 53 | 943 | 2075 |
| 318 | Recombinant DNA | 9 | 53 | 1032 | 2196 |
| 321 | Animal breeding | 1 | 52 | 1450 | 949 |
| 321 | Breeding | 1 | 52 | 2268 | 1681 |
| 323 | Sports Medicine | 14 | 51 | 1438 | 2771 |
| 323 | Drug delivery devices | 2 | 51 | 373 | 573 |
| 325 | Biochemical Genetics | 7 | 50 | 242 | 382 |
| 325 | Therapeutics | 3 | 50 | 2304 | 2971 |
| 325 | pharmaceutical industry | 4 | 50 | 579 | 742 |
| 328 | Biomechanics | 5 | 49 | 1374 | 2030 |
| 328 | Bones | 1 | 49 | 1822 | 1518 |
| 328 | Bone marrow | 1 | 49 | 20 | 13 |
| 331 | Neonatology | 3 | 48 | 807 | 961 |
| 331 | Cognitive Science | 2 | 48 | 2256 | 2188 |
| 331 | Asia | 2 | 48 | 4445 | 3029 |
| 334 | Analytical Biochemistry | 5 | 47 | 1689 | 2587 |
| 334 | Bioinformatics | 1 | 47 | 3907 | 2909 |
| 334 | Exercise | 6 | 47 | 1059 | 1527 |
| 337 | Food Preservation | 3 | 46 | 957 | 858 |
| 337 | Sports | 12 | 46 | 1200 | 2202 |
| 337 | Physical fitness | 3 | 46 | 1260 | 1453 |
| 337 | cloning | 2 | 46 | 1035 | 1481 |
| 341 | Medicinal plants | 2 | 45 | 2167 | 2428 |
| 341 | Nanostructures | 5 | 45 | 2156 | 3231 |
| 341 | Organometallic compounds | 5 | 45 | 1154 | 1640 |
| 341 | Cell metabolism | 3 | 45 | 848 | 1572 |
| 345 | peptides | 4 | 44 | 954 | 1219 |
| 345 | Industry | 1 | 44 | 528 | 628 |
| 347 | Systems Engineering | 2 | 43 | 3249 | 2501 |
| 347 | particles | 1 | 43 | 2065 | 1470 |
| 347 | Granular materials | 1 | 43 | 1283 | 1002 |
| 347 | Learning | 4 | 43 | 1353 | 1899 |
| 347 | Microorganisms | 3 | 43 | 1473 | 2192 |
| 352 | Geriatric Oncology | 1 | 42 | 1283 | 1106 |
| 352 | Marriage | 4 | 42 | 454 | 705 |
| 352 | paraphilias | 4 | 42 | 143 | 318 |
| 352 | psychotherapy | 4 | 42 | 1369 | 1870 |
| 352 | Marriage counseling | 4 | 42 | 275 | 494 |
| 357 | Human genetics | 5 | 41 | 2259 | 4479 |
| 357 | breastfeeding | 2 | 41 | 805 | 831 |
| 357 | Mental illness | 8 | 41 | 1585 | 3472 |
| 357 | Cognition | 2 | 41 | 2328 | 2390 |
| 361 | Industrial Engineering | 1 | 40 | 3590 | 2724 |
| 361 | Neurotoxicology | 2 | 40 | 871 | 1132 |
| 361 | Developmental Biology | 2 | 40 | 2975 | 3428 |
| 361 | Apoptosis | 2 | 40 | 413 | 574 |
| 361 | neurotoxins | 2 | 40 | 413 | 574 |
| 361 | Neurotoxic agents | 2 | 40 | 413 | 574 |
| 361 | Composite Materials | 1 | 40 | 4399 | 3939 |
| 361 | Molecular structure | 8 | 40 | 1908 | 3325 |
| 361 | Nerve regeneration | 2 | 40 | 413 | 574 |
| 370 | mutation | 2 | 39 | 966 | 1256 |
| 370 | Integrative Medicine | 5 | 39 | 209 | 273 |
| 370 | software | 2 | 39 | 1465 | 1702 |
| 373 | Pediatric Neurology | 2 | 38 | 1561 | 2300 |
| 373 | Evidence-Based Medicine | 4 | 38 | 1310 | 1919 |
| 375 | Neurobiology | 4 | 37 | 1905 | 3151 |
| 375 | Infections | 5 | 37 | 1186 | 2428 |
| 375 | Research Design | 2 | 37 | 1968 | 2107 |
| 375 | Radiation | 7 | 37 | 1845 | 3034 |
| 375 | Blood vessels | 1 | 37 | 846 | 712 |
| 375 | drug development | 3 | 37 | 1353 | 2440 |
| 381 | Medical Technology | 7 | 36 | 1377 | 3204 |
| 381 | Urology | 6 | 36 | 1666 | 2871 |
| 381 | Infection control | 1 | 36 | 1572 | 1318 |
| 381 | Nanostructured Materials | 2 | 36 | 4144 | 4392 |
| 381 | Africa | 5 | 36 | 1544 | 1862 |
| 381 | Kidney diseases | 8 | 36 | 704 | 1637 |
| 387 | Clinical Biochemistry | 9 | 35 | 908 | 2175 |
| 387 | Biomass Energy | 4 | 35 | 2683 | 4078 |
| 387 | Neuroanatomy | 3 | 35 | 255 | 501 |
| 387 | Lymphoma | 1 | 35 | 1366 | 526 |
| 387 | Multiple Myeloma | 1 | 35 | 1354 | 507 |
| 387 | Speech Disorders | 5 | 35 | 920 | 1502 |
| 387 | Leukemia | 1 | 35 | 2209 | 1904 |
| 394 | Critical Care | 3 | 34 | 2127 | 3156 |
| 394 | emergency management | 3 | 34 | 1045 | 1459 |
| 396 | Ecohydrology | 2 | 33 | 560 | 616 |
| 396 | Japan | 2 | 33 | 3232 | 2829 |
| 396 | freshwater biology | 2 | 33 | 1392 | 1547 |
| 396 | Immune system | 1 | 33 | 2089 | 2133 |
| 400 | Nuclear Medicine | 6 | 32 | 948 | 1636 |
| 400 | Pediatric Hematology | 4 | 32 | 444 | 513 |
| 400 | Hemodynamics | 1 | 32 | 1210 | 1325 |
| 400 | Vaccines | 1 | 32 | 3696 | 3354 |
| 404 | Histochemistry | 4 | 31 | 1178 | 1799 |
| 404 | Teaching | 1 | 31 | 3489 | 2255 |
| 404 | biological factors | 3 | 31 | 2401 | 3299 |
| 404 | United States | 9 | 31 | 4121 | 7878 |
| 404 | Insects | 3 | 31 | 1830 | 2031 |
| 409 | Pediatric Endocrinology | 5 | 30 | 276 | 445 |
| 409 | Metabolic disorders in children | 5 | 30 | 224 | 380 |
| 409 | Iran | 13 | 30 | 47 | 128 |
| 412 | Organic Chemistry | 4 | 29 | 3350 | 4550 |
| 412 | Clinical Immunology | 3 | 29 | 1696 | 2383 |
| 414 | Emergency Nursing | 1 | 28 | 413 | 258 |
| 414 | Oral Medicine | 19 | 28 | 176 | 857 |
| 414 | Tissue Engineering | 1 | 28 | 738 | 631 |
| 414 | Regenerative Medicine | 1 | 28 | 369 | 231 |
| 414 | Functional foods | 1 | 28 | 906 | 868 |
| 414 | dietary supplements | 4 | 28 | 773 | 1663 |
| 414 | Cell survival | 1 | 28 | 558 | 605 |
| 414 | infection | 3 | 28 | 2227 | 3236 |
| 414 | Arthropods | 2 | 28 | 364 | 403 |
| 414 | primary prevention | 2 | 28 | 641 | 917 |
| 414 | pain | 5 | 28 | 1339 | 2584 |
| 414 | Australia | 2 | 28 | 3023 | 2914 |
| 414 | molecular chaperones | 1 | 28 | 631 | 607 |
| 427 | Health Services Research | 11 | 27 | 1021 | 3024 |
| 427 | older people | 9 | 27 | 1073 | 2178 |
| 427 | ovary | 2 | 27 | 306 | 461 |
| 427 | Communication | 2 | 27 | 2995 | 2925 |
| 431 | Neurosurgery | 4 | 26 | 1283 | 2069 |
| 431 | Sleep Disorders | 5 | 26 | 1668 | 2715 |
| 431 | Decision making | 5 | 26 | 1349 | 2604 |
| 431 | Sleep | 5 | 26 | 1675 | 2711 |
| 435 | Public Policy | 2 | 25 | 2695 | 3381 |
| 435 | epilepsy | 2 | 25 | 1504 | 1892 |
| 435 | Schizophrenia | 1 | 25 | 1921 | 2019 |
| 435 | sanitation | 2 | 25 | 2266 | 3385 |
| 435 | Healing | 1 | 25 | 297 | 216 |
| 435 | Steroids | 2 | 25 | 1486 | 1981 |
| 441 | Medical Oncology | 4 | 24 | 2225 | 3575 |
| 441 | Calorimetry | 1 | 24 | 2341 | 1949 |
| 441 | immunoassay | 3 | 24 | 212 | 319 |
| 441 | eugenics | 3 | 24 | 730 | 1267 |
| 441 | Thermal analysis | 1 | 24 | 2341 | 1949 |
| 446 | Agricultural Chemistry | 1 | 23 | 4151 | 4030 |
| 447 | Marine Biotechnology | 1 | 22 | 558 | 684 |
| 447 | Psychosomatic Medicine | 3 | 22 | 1030 | 1842 |
| 447 | Microbial Metabolism | 1 | 22 | 508 | 709 |
| 447 | Longevity | 2 | 22 | 286 | 520 |
| 447 | rejuvenation | 2 | 22 | 199 | 462 |
| 452 | Andrology | 1 | 21 | 1362 | 1394 |
| 452 | Stochastic Processes | 1 | 21 | 1828 | 1476 |
| 452 | Educational Technology | 4 | 21 | 1547 | 2611 |
| 452 | Radiochemistry | 6 | 21 | 914 | 1561 |
| 452 | water supply | 3 | 21 | 1127 | 1986 |
| 452 | Earth Sciences | 6 | 21 | 2972 | 4969 |
| 452 | Chemical reactors | 1 | 21 | 157 | 58 |
| 459 | Information Technology | 3 | 20 | 3218 | 3912 |
| 459 | Hydraulic Engineering | 2 | 20 | 1630 | 1909 |
| 459 | Palliative Care | 4 | 20 | 956 | 1728 |
| 459 | Nuclear Chemistry | 5 | 20 | 1085 | 1734 |
| 459 | Radiopharmaceuticals | 2 | 20 | 622 | 548 |
| 459 | Immunotoxicology | 2 | 20 | 486 | 759 |
| 459 | Religion and Psychology | 3 | 20 | 596 | 934 |
| 459 | health planning | 3 | 20 | 2761 | 4041 |
| 459 | Hepatitis | 1 | 20 | 19 | 23 |
| 468 | Lipid metabolism | 1 | 19 | 907 | 1197 |
| 468 | Autoantibodies | 1 | 19 | 1223 | 1500 |
| 468 | Autoimmunity | 1 | 19 | 1501 | 1873 |
| 468 | Lipid | 1 | 19 | 912 | 1198 |
| 468 | Social work | 1 | 19 | 2976 | 2353 |
| 468 | Autoimmune diseases | 1 | 19 | 1371 | 1663 |
| 474 | Fluid Mechanics | 1 | 18 | 3085 | 2904 |
| 474 | Sustainable Engineering | 2 | 18 | 2394 | 3232 |
| 474 | Psycholinguistics | 2 | 18 | 1301 | 1735 |
| 474 | Oral Pathology | 1 | 18 | 219 | 237 |
| 474 | River Engineering | 1 | 18 | 188 | 149 |
| 474 | Bacterial infections | 3 | 18 | 1109 | 2359 |
| 474 | mutagens | 1 | 18 | 1644 | 2096 |
| 481 | Medical Physics | 3 | 17 | 2034 | 2964 |
| 481 | behavioral medicine | 1 | 17 | 2750 | 3234 |
| 481 | stem cell transplantation | 1 | 17 | 139 | 98 |
| 481 | sleep-wake cycle | 4 | 17 | 81 | 239 |
| 485 | Respiratory Therapy | 2 | 16 | 73 | 149 |
| 485 | Surgery | 1 | 16 | 3852 | 3911 |
| 485 | patents | 2 | 16 | 223 | 437 |
| 485 | Second Language Acquisition | 2 | 16 | 274 | 480 |
| 485 | cell adhesion molecules | 1 | 16 | 1129 | 1497 |
| 485 | Library Science | 2 | 16 | 1901 | 1627 |
| 485 | gases | 2 | 16 | 73 | 149 |
| 485 | amino acids | 1 | 16 | 1330 | 1593 |
| 493 | Artificial Intelligence | 2 | 15 | 5270 | 6218 |
| 493 | Health Physics | 2 | 15 | 371 | 450 |
| 493 | hygiene | 2 | 15 | 813 | 1388 |
| 496 | Geology | 2 | 14 | 4127 | 4937 |
| 496 | Probability | 1 | 14 | 1275 | 1418 |
| 496 | Risk Management | 1 | 14 | 1699 | 1812 |
| 496 | pain management | 3 | 14 | 855 | 1545 |
| 496 | Financial management | 1 | 14 | 1100 | 1405 |
| 496 | Risk | 1 | 14 | 1226 | 1419 |
| 496 | aromatic plants | 1 | 14 | 534 | 461 |
| 496 | Pathogens | 2 | 14 | 148 | 391 |
| 496 | Post-traumatic stress disorder | 2 | 14 | 1119 | 1742 |
| 496 | plant oils | 2 | 14 | 383 | 670 |
| 506 | Immunogenetics | 1 | 13 | 1523 | 1840 |
| 506 | Molecular Spectroscopy | 3 | 13 | 2193 | 3649 |
| 506 | Antigens | 1 | 13 | 1835 | 2147 |
| 506 | Germany | 4 | 13 | 696 | 970 |
| 506 | United Kingdom | 4 | 13 | 1775 | 3620 |
| 506 | sexual behavior | 3 | 13 | 753 | 1572 |
| 512 | Audiology | 8 | 12 | 560 | 1670 |
| 512 | Pharmacognosy | 2 | 12 | 2677 | 4133 |
| 512 | Morphology | 1 | 12 | 1647 | 1619 |
| 512 | Molecular Genetics | 3 | 12 | 2237 | 4254 |
| 512 | Computational Intelligence | 1 | 12 | 2148 | 2083 |
| 512 | Behavioral research | 2 | 12 | 746 | 1001 |
| 512 | motivation | 3 | 12 | 361 | 806 |
| 512 | Chromosome mapping | 3 | 12 | 2393 | 4487 |
| 512 | Mechanics | 2 | 12 | 2037 | 2375 |
| 512 | Electrophysiology | 1 | 12 | 2250 | 2369 |
| 512 | Electromagnetic fields | 1 | 12 | 784 | 605 |
| 512 | gene mapping | 3 | 12 | 2624 | 4841 |
| 524 | Health Services Administration | 2 | 11 | 1796 | 2873 |
| 524 | Polymers | 3 | 11 | 5203 | 7375 |
| 524 | Health Education | 2 | 11 | 3008 | 4425 |
| 524 | Substance Abuse | 8 | 11 | 1014 | 3236 |
| 524 | Health promotion | 2 | 11 | 2341 | 3635 |
| 524 | management | 2 | 11 | 4771 | 6202 |
| 524 | scientific societies | 3 | 11 | 1002 | 2159 |
| 524 | Cell surface receptors | 1 | 11 | 346 | 492 |
| 524 | planning | 2 | 11 | 1126 | 1773 |
| 524 | Information Science | 2 | 11 | 3742 | 5203 |
| 534 | Cytogenetics | 2 | 10 | 2349 | 3826 |
| 534 | Radiation Protection | 2 | 10 | 1144 | 1371 |
| 534 | adolescence | 4 | 10 | 899 | 2138 |
| 534 | Biomarkers | 3 | 10 | 504 | 1348 |
| 534 | X-rays | 1 | 10 | 1499 | 1540 |
| 534 | Communication Disorders | 6 | 10 | 216 | 758 |
| 534 | disease vectors | 2 | 10 | 1476 | 2578 |
| 534 | animal diseases | 1 | 10 | 1028 | 1358 |
| 534 | polymerization | 2 | 10 | 5029 | 6372 |
| 534 | biological agents | 1 | 10 | 1459 | 1032 |
| 544 | Adolescent Medicine | 3 | 9 | 745 | 1873 |
| 544 | Forensic Psychology | 1 | 9 | 802 | 925 |
| 544 | Hydrodynamics | 1 | 9 | 1090 | 1493 |
| 544 | gene therapy | 3 | 9 | 1451 | 2998 |
| 544 | data collection | 2 | 9 | 1951 | 2944 |
| 544 | drinking water | 1 | 9 | 337 | 430 |
| 544 | Genetic therapy | 3 | 9 | 1565 | 3162 |
| 544 | gene transfer | 3 | 9 | 315 | 919 |
| 544 | genetic transformation | 3 | 9 | 315 | 919 |
| 553 | Chronobiology | 1 | 8 | 993 | 1221 |
| 553 | Language Disorders | 2 | 8 | 1193 | 1912 |
| 553 | Nutrition physiology | 5 | 8 | 658 | 2104 |
| 553 | Circadian rhythms | 1 | 8 | 712 | 1008 |
| 553 | biological clocks | 1 | 8 | 993 | 1221 |
| 553 | Genetic testing | 1 | 8 | 862 | 1132 |
| 553 | Brachytherapy | 3 | 8 | 341 | 580 |
| 553 | circadian rhythm | 1 | 8 | 993 | 1221 |
| 553 | biological rhythms | 1 | 8 | 935 | 1178 |
| 562 | Asthma | 2 | 7 | 1130 | 2037 |
| 562 | Voice Disorders | 1 | 7 | 151 | 273 |
| 562 | Palynology | 2 | 7 | 419 | 750 |
| 562 | Neurovirology | 1 | 7 | 570 | 908 |
| 562 | Veterinary Immunology | 1 | 7 | 752 | 1096 |
| 562 | urban health | 1 | 7 | 641 | 1015 |
| 562 | food contamination | 1 | 7 | 2256 | 2774 |
| 562 | risk factors | 1 | 7 | 1506 | 1881 |
| 562 | Malaria | 3 | 7 | 912 | 2087 |
| 562 | Trademarks | 1 | 7 | 315 | 469 |
| 562 | insect vectors | 3 | 7 | 31 | 111 |
| 562 | toxicity testing | 1 | 7 | 1615 | 2326 |
| 562 | India | 3 | 7 | 2348 | 3389 |
| 562 | Fuzzy systems | 1 | 7 | 3218 | 3531 |
| 562 | bees | 1 | 7 | 806 | 1038 |
| 562 | Allergies | 1 | 7 | 383 | 601 |
| 578 | Systems Analysis | 1 | 6 | 2255 | 2968 |
| 578 | occupational health and safety | 1 | 6 | 523 | 707 |
| 578 | Image Processing | 3 | 6 | 2459 | 4531 |
| 578 | Heterocyclic chemistry | 1 | 6 | 1206 | 1384 |
| 578 | Medical Ethics | 4 | 6 | 1226 | 2867 |
| 578 | Helminthology | 1 | 6 | 367 | 473 |
| 578 | Hypertension in pregnancy | 1 | 6 | 644 | 670 |
| 578 | System analysis | 1 | 6 | 4634 | 5521 |
| 578 | water reuse | 1 | 6 | 799 | 1119 |
| 578 | scholarly publishing | 1 | 6 | 369 | 454 |
| 578 | Helminths | 1 | 6 | 367 | 473 |
| 578 | Imaging systems | 2 | 6 | 1318 | 2081 |
| 578 | women | 3 | 6 | 980 | 1863 |
| 578 | Biodiversity | 4 | 6 | 2552 | 5055 |
| 592 | Computer Graphics | 1 | 5 | 3057 | 3833 |
| 592 | Nanochemistry | 1 | 5 | 2419 | 2990 |
| 592 | Microbial Biotechnology | 3 | 5 | 1243 | 2910 |
| 592 | Mental Health Services | 1 | 5 | 2680 | 3534 |
| 592 | International Education | 1 | 5 | 550 | 833 |
| 592 | Respiratory Infections | 1 | 5 | 821 | 1237 |
| 592 | Echocardiography | 1 | 5 | 261 | 515 |
| 592 | Medical innovations | 1 | 5 | 2196 | 3417 |
| 592 | movement | 1 | 5 | 714 | 1088 |
| 592 | geological modeling | 2 | 5 | 841 | 1444 |
| 592 | Bereavement | 1 | 5 | 450 | 605 |
| 603 | Clinical Trials | 1 | 4 | 1343 | 1966 |
| 603 | Geophysics | 2 | 4 | 4831 | 7113 |
| 603 | Ceramics | 1 | 4 | 2896 | 3423 |
| 603 | Bioethics | 1 | 4 | 1979 | 2460 |
| 603 | nuclear magnetic resonance | 1 | 4 | 1968 | 2506 |
| 603 | Reproductive toxicology | 1 | 4 | 1060 | 1618 |
| 603 | Watershed management | 1 | 4 | 619 | 939 |
| 603 | Magnetic Resonance Spectroscopy | 1 | 4 | 2183 | 2821 |
| 603 | nursing ethics | 1 | 4 | 554 | 942 |
| 603 | Child psychology | 1 | 4 | 2847 | 3835 |
| 603 | nucleic acids | 3 | 4 | 2144 | 4193 |
| 603 | protein | 2 | 4 | 1846 | 3218 |
| 603 | nucleotides | 3 | 4 | 442 | 960 |
| 603 | Egypt | 2 | 4 | 776 | 1883 |
| 617 | Zoology | 2 | 3 | 3675 | 5542 |
| 617 | Rheumatology | 1 | 3 | 2406 | 3177 |
| 617 | Statistics | 1 | 3 | 4705 | 5538 |
| 617 | Higher Education | 1 | 3 | 1180 | 1597 |
| 617 | Magnetic Resonance Imaging | 1 | 3 | 1175 | 1686 |
| 617 | Pediatric Rheumatology | 1 | 3 | 544 | 826 |
| 617 | health services accessibility | 1 | 3 | 2087 | 2838 |
| 617 | Thrombosis | 2 | 3 | 1663 | 2992 |
| 617 | Measurement | 1 | 3 | 2587 | 3611 |
| 617 | Socioeconomic Factors | 1 | 3 | 1715 | 2751 |
| 617 | Developmental Neurobiology | 2 | 3 | 877 | 1707 |
| 617 | Gene expression regulation | 1 | 3 | 2095 | 3048 |
| 617 | Genetic regulation | 1 | 3 | 2342 | 3370 |
| 617 | Southeast Asia | 1 | 3 | 960 | 1219 |
| 617 | Hearing | 2 | 3 | 993 | 1880 |
| 617 | healthcare industry | 1 | 3 | 123 | 309 |
| 617 | genome | 1 | 3 | 3192 | 4377 |
| 617 | synthesis | 1 | 3 | 1988 | 2601 |
| 617 | alcohol | 1 | 3 | 230 | 348 |
| 617 | Human biology | 1 | 3 | 1375 | 2060 |
| 617 | phototherapy | 1 | 3 | 593 | 836 |
| 638 | Social Sciences | 2 | 2 | 5703 | 8317 |
| 638 | Humanities | 1 | 2 | 4163 | 4459 |
| 638 | Arts | 1 | 2 | 1181 | 1007 |
| 638 | Sociology | 2 | 2 | 4633 | 7663 |
| 638 | Neurogenetics | 1 | 2 | 732 | 1183 |
| 638 | Neurotransmitters | 3 | 2 | 653 | 1236 |
| 638 | Quality Assurance | 1 | 2 | 980 | 1727 |
| 638 | Genetic markers | 2 | 2 | 426 | 1356 |
| 638 | traffic safety | 1 | 2 | 667 | 1165 |
| 647 | Linguistics | 1 | 1 | 2874 | 3383 |
| 647 | Bioenergetics | 1 | 1 | 1696 | 2507 |
| 647 | Special Education | 1 | 1 | 1540 | 2175 |
| 647 | Social Psychology | 1 | 1 | 3850 | 5536 |
| 647 | Demography | 2 | 1 | 1070 | 2240 |
| 647 | Erectile dysfunction | 1 | 1 | 595 | 985 |
| 647 | Energy metabolism | 1 | 1 | 1177 | 1699 |
| 647 | Child welfare | 3 | 1 | 1314 | 3542 |
| 647 | Molecular evolution | 1 | 1 | 2937 | 4430 |
| 647 | Interferons | 1 | 1 | 678 | 1227 |
| 647 | Noise control | 1 | 1 | 699 | 439 |
| 647 | Plastics | 1 | 1 | 3230 | 4360 |
| 647 | Oral communication | 1 | 1 | 870 | 1509 |
| 647 | Computer Literacy | 1 | 1 | 544 | 982 |
| 647 | drug addiction | 1 | 1 | 2196 | 3455 |
| 647 | alcoholism | 2 | 1 | 2155 | 4342 |
| 647 | Population | 2 | 1 | 1600 | 3250 |
| 647 | Membranes | 1 | 1 | 3068 | 4312 |
| 647 | mammals | 1 | 1 | 2051 | 3008 |
| 647 | Speech | 1 | 1 | 1664 | 2557 |
| 647 | educational innovations | 1 | 1 | 1078 | 1710 |
| 647 | language | 1 | 1 | 1486 | 2075 |
| 669 | Computer Science | 1 | 0 | 4426 | 6332 |
| 669 | Cochlear Implants | 1 | 0 | 238 | 477 |
| 669 | Neonatal Nursing | 1 | 0 | 363 | 705 |
| 669 | Astrophysics | 1 | 0 | 4759 | 6115 |
| 669 | Community Psychiatry | 1 | 0 | 2148 | 3480 |
| 669 | Systems Biology | 1 | 0 | 3329 | 4981 |
| 669 | Geochemistry | 1 | 0 | 3429 | 4894 |
| 669 | Neonatal intensive care | 1 | 0 | 303 | 585 |
| 669 | hospice care | 1 | 0 | 1284 | 2268 |
| 669 | Animal health | 1 | 0 | 968 | 1483 |
| 669 | Tourism | 1 | 0 | 2842 | 4180 |
| 669 | Geodesy | 1 | 0 | 1617 | 2576 |
| 669 | Bioavailability | 1 | 0 | 231 | 573 |
| 669 | monoclonal antibodies | 1 | 0 | 590 | 1122 |
| 669 | Electrochemistry | 1 | 0 | 5873 | 7281 |
| 669 | Folklore | 1 | 0 | 345 | 364 |
| 669 | environmental remediation | 1 | 0 | 878 | 1652 |
| 669 | Child Development | 1 | 0 | 3667 | 5491 |
| 669 | Crystallography | 1 | 0 | 2992 | 3899 |
| 669 | Gerontology | 2 | 0 | 2964 | 5361 |
| 669 | hazard mitigation | 1 | 0 | 2040 | 3251 |
| 669 | Elderly | 2 | 0 | 1909 | 3193 |
| 669 | Emulsions | 1 | 0 | 867 | 1584 |
| 669 | Chemical processes | 1 | 0 | 1346 | 2260 |
| 669 | Child health | 2 | 0 | 17 | 115 |
| 669 | ethanol | 1 | 0 | 1071 | 1843 |
| 669 | Psychiatric Epidemiology | 1 | 0 | 1097 | 2041 |
| 669 | Microscopy | 1 | 0 | 3329 | 4761 |
| 669 | drug abuse | 1 | 0 | 1386 | 2395 |
| 669 | violence | 1 | 0 | 1821 | 3040 |
| 669 | harm reduction | 1 | 0 | 504 | 880 |
| 669 | natural disasters | 1 | 0 | 2583 | 3966 |
