| 1 | Medicine | 2,952 | 174.7K | 87 | 63 |
| 2 | Public Health | 3,170 | 164.9K | 9 | 6 |
| 3 | Science | 1,179 | 68.3K | 310 | 379 |
| 4 | Epidemiology | 1,117 | 41.2K | 24 | 37 |
| 5 | Research | 897 | 39.8K | 279 | 175 |
| 6 | Vaccines | 970 | 31.3K | 2 | 2 |
| 7 | Microbiology | 340 | 27.1K | 557 | 337 |
| 8 | Psychiatry | 300 | 27.0K | 302 | 135 |
| 9 | Biology | 288 | 22.1K | 1085 | 919 |
| 10 | Physics | 128 | 18.0K | 2306 | 1238 |
| 11 | Environmental Health | 275 | 17.3K | 314 | 188 |
| 12 | Mental Disorders | 252 | 17.1K | 161 | 99 |
| 13 | Tropical Medicine | 324 | 16.7K | 14 | 3 |
| 14 | Natural history | 74 | 15.9K | 769 | 694 |
| 15 | alcoholism | 96 | 15.6K | 167 | 22 |
| 16 | Nutrition | 238 | 15.5K | 285 | 137 |
| 17 | drug addiction | 78 | 15.2K | 142 | 13 |
| 18 | Health Policy | 399 | 14.1K | 28 | 20 |
| 19 | Contraception | 358 | 13.4K | 2 | 1 |
| 20 | Psychology | 189 | 11.8K | 519 | 280 |
| 21 | Health Services Research | 357 | 10.7K | 17 | 22 |
| 22 | Diet | 108 | 10.5K | 227 | 82 |
| 23 | Molecular Biology | 110 | 10.4K | 1808 | 1005 |
| 24 | Mental illness | 161 | 10.4K | 122 | 93 |
| 25 | Cancer | 162 | 10.3K | 476 | 337 |
| 26 | Environment | 115 | 9.9K | 765 | 554 |
| 27 | Virology | 196 | 9.7K | 313 | 473 |
| 28 | Immunology | 156 | 9.4K | 580 | 471 |
| 29 | Reproductive health | 236 | 8.9K | 2 | 1 |
| 30 | Birth control | 198 | 8.9K | 1 | 1 |
| 31 | Pediatrics | 135 | 8.8K | 281 | 206 |
| 32 | Obstetrics | 176 | 8.5K | 200 | 99 |
| 33 | Toxicology | 92 | 8.0K | 879 | 319 |
| 34 | health planning | 269 | 8.0K | 6 | 6 |
| 35 | Parasitology | 165 | 7.8K | 122 | 52 |
| 36 | United States | 122 | 7.6K | 662 | 329 |
| 37 | Malaria | 295 | 7.5K | 8 | 9 |
| 38 | Health Services Administration | 253 | 7.3K | 7 | 9 |
| 39 | rehabilitation | 89 | 7.3K | 217 | 72 |
| 40 | Environmental Toxicology | 61 | 7.2K | 296 | 74 |
| 41 | Parasitic Diseases | 140 | 7.2K | 94 | 70 |
| 42 | Developing countries | 254 | 7.1K | 36 | 51 |
| 43 | Diagnostic microbiology | 97 | 7.0K | 90 | 78 |
| 44 | Medical Microbiology | 142 | 6.5K | 176 | 196 |
| 45 | Medical Anthropology | 102 | 5.8K | 92 | 77 |
| 46 | Human genetics | 30 | 5.8K | 912 | 763 |
| 47 | Sociology | 108 | 5.8K | 348 | 194 |
| 48 | Ethnology | 82 | 5.8K | 122 | 8 |
| 49 | Endocrinology | 73 | 5.7K | 701 | 465 |
| 50 | Global Health | 340 | 5.5K | 4 | 4 |
| 51 | Metabolism | 54 | 5.3K | 799 | 434 |
| 52 | Health promotion | 98 | 5.3K | 127 | 84 |
| 53 | Primary health care | 203 | 5.0K | 41 | 37 |
| 54 | Surgery | 54 | 4.9K | 492 | 369 |
| 55 | Geriatrics | 143 | 4.5K | 297 | 246 |
| 56 | Food | 58 | 4.5K | 590 | 201 |
| 57 | Nutrition physiology | 50 | 4.4K | 47 | 11 |
| 58 | world | 42 | 4.1K | 83 | 32 |
| 59 | Health Education | 132 | 4.1K | 141 | 102 |
| 60 | Therapeutics | 32 | 4.1K | 518 | 181 |
| 61 | Agriculture | 41 | 4.0K | 508 | 144 |
| 62 | Food Policy | 38 | 4.0K | 27 | 6 |
| 63 | Diabetes | 51 | 4.0K | 549 | 397 |
| 64 | Parasites | 83 | 4.0K | 109 | 50 |
| 65 | Quality of life | 32 | 3.9K | 276 | 66 |
| 66 | Diabetes mellitus | 50 | 3.9K | 513 | 384 |
| 67 | Environmental Engineering | 83 | 3.8K | 578 | 497 |
| 68 | Ecology | 102 | 3.8K | 1253 | 1326 |
| 69 | Immunity | 40 | 3.7K | 597 | 525 |
| 70 | Socioeconomic Factors | 161 | 3.7K | 3 | 8 |
| 71 | Liver diseases | 20 | 3.6K | 677 | 308 |
| 72 | Obesity | 64 | 3.6K | 361 | 251 |
| 73 | Medical genetics | 23 | 3.5K | 1439 | 678 |
| 74 | Reproduction | 68 | 3.5K | 446 | 235 |
| 75 | health workforce | 106 | 3.4K | 1 | 1 |
| 76 | Infertility | 31 | 3.4K | 310 | 101 |
| 76 | fertility | 31 | 3.4K | 324 | 105 |
| 78 | Oncology | 25 | 3.3K | 813 | 549 |
| 79 | viruses | 61 | 3.3K | 303 | 298 |
| 80 | preventive medicine | 88 | 3.3K | 114 | 132 |
| 81 | Metabolic diseases | 39 | 3.3K | 773 | 542 |
| 82 | Women's health | 107 | 3.3K | 58 | 40 |
| 83 | Water | 33 | 3.2K | 775 | 434 |
| 84 | health services | 152 | 3.2K | 33 | 43 |
| 85 | Pregnancy | 93 | 3.1K | 18 | 11 |
| 86 | infection | 85 | 3.1K | 149 | 151 |
| 87 | environmental protection | 75 | 3.1K | 440 | 359 |
| 88 | Public Policy | 100 | 3.1K | 128 | 105 |
| 89 | Virulence | 28 | 3.1K | 342 | 196 |
| 89 | Europe | 122 | 3.1K | 338 | 239 |
| 91 | Chronic diseases | 49 | 3.1K | 95 | 126 |
| 92 | medical education | 119 | 3.0K | 166 | 152 |
| 93 | Aging | 117 | 3.0K | 348 | 345 |
| 94 | Environmental monitoring | 70 | 3.0K | 623 | 534 |
| 95 | Host-parasite interactions | 28 | 2.9K | 351 | 235 |
| 96 | Clinical Psychology | 28 | 2.9K | 450 | 256 |
| 97 | Chemistry | 81 | 2.9K | 2870 | 2595 |
| 98 | Bacteriology | 54 | 2.9K | 424 | 390 |
| 99 | Environmental Policy | 59 | 2.8K | 569 | 494 |
| 100 | Behavior | 52 | 2.8K | 733 | 600 |
| 101 | disabilities | 34 | 2.8K | 104 | 16 |
| 102 | health services accessibility | 211 | 2.5K | 6 | 25 |
| 103 | Environmental Law | 47 | 2.5K | 124 | 135 |
| 104 | Population | 38 | 2.4K | 162 | 43 |
| 105 | Attention | 83 | 2.4K | 249 | 237 |
| 106 | Visual Perception | 83 | 2.4K | 236 | 230 |
| 107 | Demography | 33 | 2.4K | 122 | 53 |
| 108 | Memory | 82 | 2.4K | 290 | 302 |
| 108 | Perception | 82 | 2.4K | 303 | 293 |
| 110 | Pharmacology | 82 | 2.4K | 1300 | 1225 |
| 111 | Infections | 55 | 2.4K | 133 | 161 |
| 112 | Biochemistry | 59 | 2.4K | 3244 | 2659 |
| 113 | health behavior | 38 | 2.3K | 201 | 104 |
| 114 | Water pollution | 18 | 2.2K | 1298 | 534 |
| 115 | women's rights | 69 | 2.2K | 1 | 1 |
| 116 | Child | 84 | 2.2K | 332 | 298 |
| 117 | Autism | 10 | 2.2K | 410 | 69 |
| 118 | Australia | 35 | 2.1K | 415 | 106 |
| 119 | Medical Ethics | 64 | 2.1K | 119 | 35 |
| 120 | Gerontology | 65 | 2.0K | 328 | 211 |
| 121 | disease outbreaks | 48 | 2.0K | 43 | 46 |
| 122 | Hypertension | 49 | 2.0K | 390 | 501 |
| 123 | Epidemics | 41 | 1.9K | 51 | 47 |
| 124 | Pollution | 56 | 1.9K | 1548 | 1714 |
| 125 | Quality Control | 43 | 1.9K | 218 | 111 |
| 126 | breastfeeding | 40 | 1.9K | 35 | 6 |
| 127 | Food Microbiology | 31 | 1.8K | 271 | 195 |
| 128 | Respiratory Infections | 97 | 1.8K | 2 | 2 |
| 128 | Influenza | 97 | 1.8K | 2 | 2 |
| 130 | Adolescent | 80 | 1.7K | 257 | 289 |
| 131 | healthcare disparities | 76 | 1.7K | 11 | 13 |
| 132 | Developmental Disabilities | 12 | 1.7K | 518 | 193 |
| 133 | poverty | 75 | 1.6K | 4 | 10 |
| 134 | Substance Abuse | 45 | 1.6K | 295 | 204 |
| 135 | occupational diseases | 33 | 1.6K | 161 | 95 |
| 136 | Meteorology | 24 | 1.6K | 934 | 705 |
| 137 | Globalization | 64 | 1.6K | 10 | 23 |
| 138 | international cooperation | 64 | 1.6K | 11 | 47 |
| 139 | Mental Health Services | 70 | 1.6K | 123 | 125 |
| 140 | drug resistance | 56 | 1.5K | 10 | 18 |
| 141 | disease vectors | 46 | 1.5K | 95 | 88 |
| 142 | Physical fitness | 11 | 1.5K | 561 | 123 |
| 143 | Infection control | 58 | 1.5K | 30 | 36 |
| 144 | hygiene | 25 | 1.4K | 62 | 17 |
| 145 | Community Psychiatry | 53 | 1.4K | 126 | 153 |
| 146 | Dentistry | 16 | 1.4K | 269 | 45 |
| 147 | Bones | 12 | 1.4K | 502 | 183 |
| 148 | diseases | 116 | 1.4K | 1 | 253 |
| 149 | Genetics | 23 | 1.4K | 1799 | 1508 |
| 150 | drugs | 28 | 1.4K | 682 | 354 |
| 151 | Pharmaceutical Chemistry | 23 | 1.4K | 1854 | 1199 |
| 152 | Water quality management | 31 | 1.3K | 437 | 213 |
| 153 | biological factors | 80 | 1.3K | 111 | 345 |
| 154 | Health | 61 | 1.3K | 348 | 404 |
| 155 | Hematology | 26 | 1.2K | 1725 | 1180 |
| 156 | Suicide | 21 | 1.2K | 131 | 47 |
| 157 | Hydrology | 25 | 1.2K | 1001 | 602 |
| 158 | United Kingdom | 19 | 1.2K | 690 | 506 |
| 159 | Neurology | 51 | 1.2K | 1841 | 2245 |
| 160 | Africa | 127 | 1.2K | 55 | 92 |
| 161 | Long-Term Care | 10 | 1.1K | 260 | 101 |
| 161 | Long-term care facilities | 10 | 1.1K | 255 | 101 |
| 163 | Evolutionary Genetics | 21 | 1.1K | 90 | 24 |
| 163 | Molecular Epidemiology | 21 | 1.1K | 90 | 24 |
| 165 | Critical Care | 35 | 1.1K | 481 | 699 |
| 166 | environmental exposure | 25 | 1.1K | 540 | 337 |
| 167 | Travel | 42 | 1.1K | 83 | 70 |
| 168 | Ophthalmology | 20 | 1.1K | 833 | 521 |
| 169 | Antiviral agents | 23 | 1.1K | 53 | 21 |
| 170 | Germany | 7 | 1.1K | 450 | 6 |
| 171 | Water Microbiology | 20 | 1.0K | 32 | 26 |
| 172 | drug therapy | 44 | 1.0K | 649 | 724 |
| 173 | Critical Care Medicine | 27 | 1.0K | 582 | 726 |
| 174 | Psychiatric Epidemiology | 32 | 1.0K | 57 | 76 |
| 175 | Mental Health | 58 | 1.0K | 221 | 248 |
| 176 | Middle East | 112 | 1.0K | 11 | 42 |
| 177 | Pathology | 23 | 997 | 1065 | 914 |
| 178 | older people | 60 | 990 | 276 | 197 |
| 179 | Randomized Controlled Trials | 41 | 987 | 164 | 93 |
| 180 | planning | 54 | 982 | 30 | 41 |
| 181 | food technology | 23 | 977 | 966 | 673 |
| 182 | Adolescent Medicine | 13 | 963 | 260 | 270 |
| 183 | Psychopharmacology | 11 | 941 | 1030 | 656 |
| 184 | Pharmacy | 32 | 934 | 667 | 571 |
| 185 | urban health | 28 | 933 | 42 | 41 |
| 186 | Human Rights | 24 | 926 | 95 | 24 |
| 187 | Cell Biology | 24 | 922 | 2011 | 2301 |
| 188 | Crisis Intervention | 11 | 917 | 37 | 7 |
| 189 | Immunotherapy | 45 | 908 | 374 | 776 |
| 190 | Palliative Care | 27 | 884 | 191 | 109 |
| 191 | management | 54 | 881 | 799 | 1190 |
| 192 | refugees | 43 | 853 | 11 | 11 |
| 193 | War | 41 | 847 | 7 | 8 |
| 193 | warfare | 42 | 847 | 19 | 70 |
| 195 | Biophysics | 31 | 837 | 2610 | 2399 |
| 196 | Political Science | 3 | 828 | 2202 | 377 |
| 197 | Electrophysiology | 11 | 822 | 667 | 181 |
| 198 | food handling | 20 | 792 | 201 | 147 |
| 199 | sanitation | 6 | 788 | 1367 | 848 |
| 200 | psychotherapy | 11 | 780 | 770 | 458 |
| 201 | Dermatology | 14 | 774 | 1050 | 580 |
| 202 | Foodborne diseases | 12 | 765 | 84 | 31 |
| 203 | Psychophysiology | 8 | 756 | 2205 | 1310 |
| 204 | Cytology | 20 | 755 | 2351 | 2499 |
| 205 | Decision making | 15 | 725 | 620 | 374 |
| 206 | Anxiety Disorders | 10 | 721 | 260 | 228 |
| 206 | Anxiety | 10 | 721 | 262 | 228 |
| 208 | Depression | 9 | 716 | 158 | 142 |
| 209 | complementary therapies | 11 | 702 | 1094 | 360 |
| 210 | Biopharmaceutics | 4 | 701 | 1277 | 304 |
| 211 | Enteral nutrition | 7 | 687 | 659 | 320 |
| 211 | Parenteral nutrition | 7 | 687 | 837 | 419 |
| 213 | Risk Management | 29 | 686 | 84 | 130 |
| 214 | India | 59 | 676 | 165 | 71 |
| 215 | mutation | 5 | 673 | 565 | 195 |
| 216 | arthritis | 8 | 656 | 1002 | 697 |
| 217 | environmental pollution | 33 | 642 | 1643 | 2263 |
| 218 | Carcinogenesis | 22 | 636 | 278 | 381 |
| 219 | Research Design | 19 | 633 | 422 | 375 |
| 219 | Sexual health | 49 | 633 | 93 | 164 |
| 221 | Biotechnology | 30 | 632 | 2721 | 3326 |
| 222 | Alternative Medicine | 8 | 630 | 1270 | 397 |
| 223 | Medical Technology | 24 | 621 | 464 | 452 |
| 223 | Embryology | 11 | 621 | 1035 | 883 |
| 225 | hospice care | 19 | 616 | 111 | 31 |
| 226 | Geriatric Psychiatry | 22 | 604 | 329 | 332 |
| 227 | Genetic Toxicology | 2 | 600 | 719 | 136 |
| 228 | Microorganisms | 2 | 595 | 1771 | 557 |
| 229 | Physiology | 23 | 591 | 2028 | 2140 |
| 230 | Clinical Pharmacology | 21 | 589 | 554 | 487 |
| 231 | Probability | 18 | 586 | 185 | 154 |
| 231 | Dementia | 13 | 586 | 890 | 362 |
| 233 | Hospitals | 22 | 584 | 183 | 173 |
| 234 | Cardiovascular system | 13 | 582 | 946 | 1090 |
| 235 | Alzheimer's disease | 12 | 559 | 946 | 436 |
| 236 | Financial management | 16 | 550 | 127 | 168 |
| 236 | Risk | 16 | 550 | 169 | 177 |
| 238 | Occupational Health | 25 | 549 | 293 | 261 |
| 239 | Emergency Medical Services | 40 | 541 | 80 | 108 |
| 240 | Emergency Medicine | 46 | 540 | 330 | 451 |
| 241 | Antibacterial agents | 9 | 533 | 386 | 194 |
| 242 | Intellectual disability | 13 | 531 | 400 | 259 |
| 243 | Vaccination | 21 | 530 | 21 | 38 |
| 244 | Developmental Biology | 4 | 526 | 2218 | 1235 |
| 245 | Veterinary Epidemiology | 17 | 525 | 7 | 8 |
| 246 | Health insurance | 11 | 522 | 192 | 182 |
| 247 | Schizophrenia | 13 | 520 | 610 | 549 |
| 247 | Kidney diseases | 15 | 520 | 434 | 338 |
| 249 | Biometrics | 20 | 518 | 421 | 391 |
| 250 | adolescence | 12 | 515 | 430 | 365 |
| 251 | Nursing | 30 | 510 | 506 | 396 |
| 252 | Transplantation | 13 | 491 | 719 | 734 |
| 252 | child abuse | 15 | 491 | 325 | 342 |
| 254 | Demographic research | 9 | 489 | 62 | 64 |
| 255 | Information Science | 25 | 488 | 789 | 1012 |
| 256 | Community Psychology | 3 | 483 | 619 | 249 |
| 257 | Thorax | 12 | 479 | 201 | 189 |
| 258 | Immune system | 7 | 469 | 847 | 906 |
| 259 | Medical Oncology | 16 | 464 | 1042 | 1073 |
| 259 | Zoonoses | 4 | 464 | 283 | 52 |
| 261 | Social Sciences | 22 | 460 | 1550 | 958 |
| 262 | Statistics | 18 | 451 | 1353 | 1056 |
| 263 | Cardiovascular diseases | 17 | 445 | 775 | 675 |
| 264 | air quality | 5 | 434 | 113 | 17 |
| 265 | Environmental pollutants | 16 | 426 | 1068 | 1174 |
| 266 | Physical Therapy | 19 | 421 | 505 | 655 |
| 267 | Sports Medicine | 9 | 412 | 1839 | 1045 |
| 268 | Clinical Chemistry | 17 | 411 | 1581 | 1813 |
| 269 | Learning disabilities | 9 | 407 | 472 | 278 |
| 270 | Smoking | 17 | 400 | 292 | 356 |
| 271 | Radiation Protection | 26 | 399 | 128 | 83 |
| 272 | Waste management | 26 | 397 | 303 | 408 |
| 273 | Asia | 45 | 395 | 465 | 719 |
| 274 | Disease | 3 | 394 | 397 | 636 |
| 275 | Communication in medicine | 18 | 390 | 161 | 180 |
| 276 | Child psychology | 10 | 382 | 905 | 901 |
| 276 | calcification | 3 | 382 | 662 | 276 |
| 278 | Communication | 19 | 373 | 815 | 753 |
| 278 | drug development | 12 | 373 | 496 | 915 |
| 280 | Allergy | 5 | 370 | 1229 | 1097 |
| 280 | Entomology | 13 | 370 | 1453 | 918 |
| 282 | Medical innovations | 10 | 363 | 577 | 1014 |
| 282 | Pathogens | 12 | 363 | 8 | 5 |
| 284 | Bioengineering | 8 | 361 | 3574 | 3188 |
| 284 | Child welfare | 9 | 361 | 622 | 369 |
| 286 | Mathematics | 16 | 359 | 3779 | 2535 |
| 286 | Ethics | 12 | 359 | 433 | 217 |
| 288 | radiation monitoring | 23 | 358 | 128 | 87 |
| 289 | Post-traumatic stress disorder | 13 | 356 | 344 | 359 |
| 290 | Toxins | 4 | 354 | 959 | 307 |
| 291 | pollutants | 8 | 351 | 1402 | 1141 |
| 292 | Maternal health services | 7 | 347 | 238 | 130 |
| 293 | Hazardous waste | 5 | 343 | 784 | 586 |
| 294 | blood transfusion | 13 | 340 | 381 | 304 |
| 295 | Microbial Ecology | 8 | 337 | 1744 | 1787 |
| 296 | Hemodynamics | 7 | 334 | 458 | 467 |
| 296 | Steroids | 12 | 334 | 538 | 522 |
| 298 | Rheumatology | 4 | 333 | 1388 | 815 |
| 299 | Climatology | 3 | 331 | 2151 | 1086 |
| 300 | venom | 3 | 330 | 1025 | 296 |
| 301 | Adolescent Psychology | 7 | 327 | 585 | 448 |
| 301 | System analysis | 9 | 327 | 1751 | 1140 |
| 303 | human behavior | 8 | 319 | 1706 | 1842 |
| 304 | Child Development | 16 | 309 | 977 | 1201 |
| 305 | air quality management | 7 | 308 | 272 | 196 |
| 306 | Human biology | 10 | 307 | 319 | 199 |
| 307 | Biodiversity | 13 | 305 | 1264 | 1384 |
| 308 | Audiology | 8 | 304 | 560 | 392 |
| 309 | ecosystem | 14 | 302 | 661 | 978 |
| 310 | food contamination | 5 | 299 | 938 | 314 |
| 311 | Surface Chemistry | 5 | 298 | 3644 | 2547 |
| 311 | Colloids | 5 | 298 | 3531 | 2627 |
| 313 | toxicity testing | 8 | 295 | 387 | 311 |
| 314 | indoor air pollution | 6 | 292 | 243 | 180 |
| 314 | Ventilation | 6 | 292 | 355 | 212 |
| 314 | Sick building syndrome | 6 | 292 | 243 | 180 |
| 314 | pain | 13 | 292 | 774 | 965 |
| 318 | Chemical Engineering | 18 | 289 | 2559 | 3186 |
| 318 | violence | 9 | 289 | 552 | 470 |
| 320 | Immunopathology | 13 | 287 | 779 | 932 |
| 320 | Cell differentiation | 3 | 287 | 2163 | 1562 |
| 322 | Electrochemistry | 11 | 281 | 2762 | 2336 |
| 323 | Bacterial infections | 22 | 280 | 182 | 724 |
| 324 | Anatomy | 3 | 278 | 2476 | 1294 |
| 324 | Growth | 1 | 278 | 2155 | 1104 |
| 326 | Paleoclimatology | 1 | 277 | 1817 | 734 |
| 326 | Paleoecology | 1 | 277 | 1779 | 662 |
| 326 | Paleogeography | 1 | 277 | 1580 | 617 |
| 329 | industrial hygiene | 26 | 276 | 261 | 307 |
| 329 | carcinogens | 7 | 276 | 722 | 723 |
| 331 | Chemotherapy | 13 | 273 | 787 | 915 |
| 332 | epilepsy | 8 | 272 | 674 | 511 |
| 333 | drug control | 16 | 269 | 108 | 162 |
| 334 | Radiobiology | 9 | 268 | 1223 | 1076 |
| 335 | Personality Disorders | 4 | 266 | 252 | 159 |
| 336 | Hearing | 5 | 264 | 611 | 334 |
| 337 | disaster relief | 20 | 263 | 18 | 66 |
| 338 | Information Systems | 12 | 258 | 683 | 749 |
| 339 | Organic Chemistry | 3 | 255 | 3681 | 2137 |
| 339 | behavioral medicine | 9 | 255 | 801 | 900 |
| 339 | Disability Law | 4 | 255 | 146 | 37 |
| 342 | Andrology | 9 | 253 | 395 | 323 |
| 343 | Health Physics | 9 | 246 | 81 | 34 |
| 344 | mutagens | 6 | 245 | 672 | 738 |
| 345 | Economic History | 16 | 243 | 1941 | 1609 |
| 346 | cross-cultural comparison | 10 | 242 | 211 | 145 |
| 347 | Sustainable Development | 8 | 241 | 1442 | 1313 |
| 348 | Anthropology | 13 | 238 | 886 | 722 |
| 348 | Mycology | 19 | 238 | 684 | 1105 |
| 348 | Culture | 7 | 238 | 748 | 319 |
| 351 | Cross-Cultural Studies | 9 | 237 | 312 | 237 |
| 352 | Nanotechnology | 3 | 228 | 5840 | 3957 |
| 353 | Sleep | 5 | 226 | 1675 | 1110 |
| 354 | Bioethics | 13 | 225 | 437 | 337 |
| 355 | Economic Development | 11 | 223 | 974 | 1224 |
| 356 | Education | 10 | 221 | 2721 | 1748 |
| 356 | Social Psychology | 13 | 221 | 1081 | 1405 |
| 356 | Bioorganic chemistry | 2 | 221 | 3813 | 2206 |
| 359 | Sleep Disorders | 4 | 220 | 1837 | 1119 |
| 360 | Proteome | 2 | 217 | 1810 | 1040 |
| 361 | Radiation | 6 | 216 | 2020 | 1299 |
| 362 | Neonatology | 7 | 214 | 414 | 325 |
| 362 | Genomics | 12 | 214 | 2162 | 2632 |
| 362 | energy development | 5 | 214 | 688 | 633 |
| 365 | Protozoa | 1 | 213 | 893 | 279 |
| 365 | sex crimes | 7 | 213 | 401 | 296 |
| 367 | Teratology | 4 | 212 | 303 | 219 |
| 367 | Microelectronics | 1 | 212 | 3175 | 1451 |
| 367 | miniaturization | 1 | 212 | 3408 | 1666 |
| 370 | Psychosomatic Medicine | 8 | 211 | 554 | 684 |
| 370 | Environmental Management | 16 | 211 | 1420 | 2552 |
| 370 | Psychiatric hospitals | 13 | 211 | 143 | 174 |
| 373 | proteins | 2 | 210 | 3134 | 1573 |
| 374 | abnormalities | 3 | 208 | 219 | 133 |
| 375 | radioactive waste | 2 | 205 | 1171 | 805 |
| 375 | industrial waste | 2 | 205 | 1232 | 809 |
| 377 | Water Purification | 7 | 204 | 800 | 574 |
| 378 | Social Security | 6 | 200 | 33 | 7 |
| 378 | Sarcopenia | 2 | 200 | 587 | 335 |
| 378 | Muscles | 2 | 200 | 1329 | 765 |
| 381 | Energy Policy | 3 | 199 | 3171 | 2451 |
| 381 | government | 18 | 199 | 226 | 322 |
| 381 | energy resources | 3 | 199 | 1622 | 1467 |
| 384 | Development | 10 | 198 | 431 | 660 |
| 385 | Hormones | 4 | 196 | 1428 | 1129 |
| 386 | emergency management | 12 | 195 | 310 | 453 |
| 387 | Sports | 3 | 193 | 2435 | 1166 |
| 387 | feeding behavior | 3 | 193 | 881 | 549 |
| 387 | Appetite | 3 | 193 | 780 | 486 |
| 390 | Drug design | 8 | 191 | 1184 | 1312 |
| 390 | risk factors | 6 | 191 | 595 | 517 |
| 390 | cell physiology | 5 | 191 | 1499 | 1548 |
| 393 | Nephrology | 11 | 190 | 306 | 555 |
| 393 | Pacific Islands | 31 | 190 | 27 | 64 |
| 395 | Earth Sciences | 8 | 184 | 2576 | 2344 |
| 396 | Physical Chemistry | 1 | 182 | 3990 | 1824 |
| 396 | Neurophysiology | 8 | 182 | 2268 | 2673 |
| 398 | kidney | 10 | 181 | 21 | 58 |
| 399 | Pharmacognosy | 7 | 180 | 1451 | 1604 |
| 399 | Medicinal plants | 8 | 180 | 965 | 1231 |
| 401 | traffic safety | 7 | 178 | 164 | 107 |
| 402 | Aggression | 3 | 173 | 510 | 367 |
| 403 | Biomedical Engineering | 13 | 172 | 3246 | 4213 |
| 404 | Food additives | 5 | 170 | 1104 | 1039 |
| 404 | data collection | 4 | 170 | 1250 | 844 |
| 406 | biobanks | 20 | 168 | 8 | 28 |
| 406 | Economic Assistance | 7 | 168 | 482 | 660 |
| 408 | Neuropharmacology | 2 | 167 | 895 | 458 |
| 409 | Androgens | 6 | 162 | 162 | 205 |
| 410 | Cybernetics | 6 | 161 | 1093 | 939 |
| 410 | Ergonomics | 6 | 161 | 860 | 626 |
| 412 | Systems Analysis | 6 | 160 | 877 | 646 |
| 413 | recreation | 2 | 159 | 945 | 300 |
| 413 | Exercise | 2 | 159 | 1958 | 779 |
| 415 | Regional Planning | 3 | 158 | 1862 | 1048 |
| 416 | Oral Medicine | 4 | 156 | 751 | 236 |
| 416 | Animal ecology | 3 | 156 | 1387 | 927 |
| 416 | drinking water | 11 | 156 | 23 | 22 |
| 419 | Neuropsychology | 11 | 155 | 1441 | 1958 |
| 420 | Health Risk Assessment | 13 | 151 | 84 | 182 |
| 421 | city planning | 2 | 147 | 2424 | 1124 |
| 422 | Data Mining | 3 | 146 | 2235 | 1374 |
| 423 | Human-Computer Interaction | 2 | 145 | 2230 | 1097 |
| 423 | Online social networks | 2 | 145 | 484 | 137 |
| 423 | mental health promotion | 2 | 145 | 236 | 105 |
| 423 | internet | 2 | 145 | 1826 | 740 |
| 427 | Technology | 22 | 144 | 1937 | 3402 |
| 428 | Leukemia | 5 | 143 | 1246 | 1234 |
| 429 | mycoses | 15 | 142 | 299 | 1028 |
| 430 | Nervous system | 3 | 141 | 3122 | 2660 |
| 431 | Youth | 2 | 140 | 922 | 557 |
| 432 | Population Genetics | 6 | 139 | 1039 | 1316 |
| 432 | Japan | 16 | 139 | 986 | 1350 |
| 434 | Biochemical Engineering | 4 | 135 | 3507 | 3995 |
| 435 | Hypertension in pregnancy | 7 | 131 | 169 | 65 |
| 435 | Social work | 13 | 131 | 677 | 812 |
| 437 | Electrophoresis | 5 | 129 | 1603 | 1538 |
| 437 | Risk assessment | 10 | 129 | 215 | 329 |
| 437 | Mycotoxins | 1 | 129 | 363 | 90 |
| 437 | population trends | 1 | 129 | 184 | 154 |
| 441 | ethanol | 7 | 128 | 299 | 370 |
| 442 | Osteoporosis | 1 | 126 | 886 | 237 |
| 443 | drug abuse | 18 | 125 | 212 | 471 |
| 444 | Economics | 8 | 124 | 3375 | 2943 |
| 445 | epidemiologic methods | 12 | 121 | 16 | 61 |
| 445 | Vocational guidance | 2 | 121 | 1168 | 780 |
| 447 | Public Health Administration | 12 | 120 | 190 | 223 |
| 448 | Pediatric Neurology | 2 | 119 | 1561 | 1656 |
| 448 | Molecular evolution | 12 | 119 | 831 | 1698 |
| 450 | Bacteria | 4 | 116 | 350 | 526 |
| 450 | biological evolution | 6 | 116 | 1826 | 2443 |
| 452 | Transportation Engineering | 1 | 114 | 972 | 357 |
| 452 | Electronics | 4 | 114 | 3888 | 2712 |
| 452 | mental health policy | 5 | 114 | 164 | 166 |
| 452 | Transportation | 1 | 114 | 3003 | 1443 |
| 452 | Transport | 1 | 114 | 1246 | 626 |
| 457 | Jurisprudence | 10 | 112 | 568 | 672 |
| 457 | Radiation dosimetry | 14 | 112 | 151 | 204 |
| 459 | behavior therapy | 4 | 111 | 815 | 769 |
| 459 | Israel | 2 | 111 | 211 | 31 |
| 461 | counseling | 10 | 110 | 759 | 1106 |
| 461 | women | 5 | 110 | 682 | 388 |
| 463 | Pharmaceutical Technology | 7 | 106 | 1202 | 1605 |
| 464 | Learning | 5 | 105 | 1188 | 1293 |
| 465 | Reservoirs | 1 | 103 | 450 | 95 |
| 465 | lakes | 1 | 103 | 215 | 27 |
| 467 | chronic disease | 6 | 101 | 243 | 352 |
| 468 | Municipal Engineering | 7 | 98 | 154 | 294 |
| 469 | Oncogenes | 4 | 94 | 1262 | 1908 |
| 469 | Spectrum analysis | 5 | 94 | 4251 | 4419 |
| 471 | Ecological Engineering | 1 | 93 | 1363 | 871 |
| 471 | Surface-Active Agents | 1 | 93 | 2145 | 1477 |
| 471 | Drug delivery systems | 5 | 93 | 1417 | 1869 |
| 471 | Surface properties | 1 | 93 | 2253 | 1593 |
| 475 | Chromatography | 4 | 92 | 1779 | 1656 |
| 475 | hazard mitigation | 4 | 92 | 985 | 946 |
| 475 | Chromatographic analysis | 4 | 92 | 2060 | 1822 |
| 478 | Neurobiology | 2 | 91 | 2539 | 2360 |
| 479 | Emerging infectious diseases | 8 | 90 | 153 | 371 |
| 480 | sex differences | 1 | 88 | 334 | 156 |
| 481 | Bipolar Disorder | 2 | 87 | 525 | 495 |
| 481 | histological techniques | 1 | 87 | 1417 | 1042 |
| 483 | gene therapy | 6 | 86 | 995 | 1585 |
| 484 | Molecular Genetics | 4 | 85 | 1966 | 2504 |
| 484 | Sustainable agriculture | 2 | 85 | 1142 | 739 |
| 484 | Flood control | 2 | 85 | 411 | 177 |
| 484 | irrigation | 2 | 85 | 676 | 352 |
| 484 | drainage | 2 | 85 | 619 | 263 |
| 484 | China | 11 | 85 | 1835 | 2897 |
| 490 | Patient education | 7 | 84 | 418 | 801 |
| 490 | Health equity | 5 | 84 | 29 | 22 |
| 492 | drug evaluation | 4 | 83 | 1474 | 1489 |
| 493 | Radiation Oncology | 2 | 82 | 577 | 432 |
| 494 | Chromosomes | 5 | 81 | 911 | 1341 |
| 495 | Urology | 4 | 80 | 1993 | 2205 |
| 496 | bioclimatology | 2 | 77 | 1438 | 1042 |
| 496 | Pest control | 8 | 77 | 53 | 104 |
| 496 | Biodiversity conservation | 4 | 77 | 1802 | 2423 |
| 496 | Pesticides | 9 | 77 | 338 | 650 |
| 496 | Plant diseases | 8 | 77 | 1491 | 1963 |
| 496 | Climate | 2 | 77 | 932 | 793 |
| 496 | weather | 2 | 77 | 869 | 678 |
| 503 | Telemedicine | 6 | 76 | 215 | 456 |
| 503 | Carbon | 29 | 76 | 333 | 1966 |
| 505 | Climate change | 3 | 75 | 1253 | 1960 |
| 505 | Traditional medicine | 2 | 75 | 447 | 334 |
| 507 | occupational health and safety | 6 | 74 | 167 | 192 |
| 507 | primary prevention | 6 | 74 | 296 | 496 |
| 507 | Phytotherapy | 9 | 74 | 423 | 1073 |
| 507 | harm reduction | 9 | 74 | 84 | 208 |
| 511 | Engineering | 11 | 73 | 3136 | 4260 |
| 511 | Pharmacokinetics | 4 | 73 | 1002 | 1203 |
| 513 | Fishery management | 1 | 72 | 1683 | 886 |
| 513 | Religion and Psychology | 3 | 72 | 596 | 365 |
| 513 | biochemical markers | 7 | 72 | 535 | 910 |
| 513 | Aquaculture | 1 | 72 | 2596 | 1574 |
| 517 | Screening | 3 | 71 | 210 | 196 |
| 518 | Holistic Health | 3 | 70 | 543 | 408 |
| 518 | allied health | 3 | 70 | 310 | 284 |
| 520 | Histology | 4 | 69 | 2063 | 2511 |
| 520 | liver | 3 | 69 | 370 | 310 |
| 520 | Primates | 4 | 69 | 777 | 784 |
| 523 | Social welfare | 7 | 67 | 363 | 539 |
| 523 | Evidence-Based Medicine | 5 | 67 | 1114 | 1452 |
| 523 | Geriatric Oncology | 3 | 67 | 743 | 888 |
| 526 | drug toxicity | 6 | 65 | 239 | 669 |
| 527 | Ethnobotany | 1 | 63 | 507 | 334 |
| 527 | Biomechanics | 3 | 63 | 1815 | 1811 |
| 527 | Teaching | 4 | 63 | 1821 | 1617 |
| 527 | ethnobiology | 1 | 63 | 577 | 373 |
| 527 | Ethnomedicine | 1 | 63 | 401 | 329 |
| 532 | Food Safety | 2 | 62 | 416 | 205 |
| 532 | agricultural policy | 3 | 62 | 275 | 489 |
| 532 | Social policy | 6 | 62 | 784 | 953 |
| 535 | Genetic testing | 7 | 61 | 158 | 281 |
| 536 | Genetic engineering | 3 | 60 | 2783 | 3230 |
| 536 | Molecular Microbiology | 2 | 60 | 1288 | 1563 |
| 536 | ecological risk assessment | 5 | 60 | 143 | 352 |
| 539 | Public opinion | 1 | 59 | 841 | 545 |
| 540 | Criminology | 2 | 58 | 1242 | 882 |
| 540 | energy conservation | 6 | 58 | 1656 | 2980 |
| 540 | Immunochemistry | 6 | 58 | 866 | 1349 |
| 540 | Chemical industry | 6 | 58 | 1167 | 1440 |
| 544 | Industrial Microbiology | 5 | 57 | 1881 | 3023 |
| 544 | Stochastic Processes | 3 | 57 | 1134 | 919 |
| 546 | Coronary heart disease | 1 | 56 | 586 | 171 |
| 546 | Stress | 2 | 56 | 402 | 406 |
| 548 | Eating Disorders | 1 | 55 | 1670 | 1184 |
| 548 | Genetic therapy | 3 | 55 | 1565 | 2061 |
| 550 | Neuropsychiatry | 3 | 54 | 1110 | 1362 |
| 550 | Behavioral research | 5 | 54 | 345 | 368 |
| 550 | Reproductive toxicology | 2 | 54 | 739 | 739 |
| 550 | Elderly | 42 | 54 | 273 | 999 |
| 550 | Agricultural systems | 1 | 54 | 687 | 606 |
| 555 | Comparative Physiology | 1 | 53 | 1518 | 1115 |
| 555 | economic policy | 6 | 53 | 2179 | 2264 |
| 555 | Qualitative Research | 5 | 53 | 393 | 550 |
| 558 | Social problems | 2 | 52 | 836 | 814 |
| 559 | Computational Biology | 4 | 51 | 3378 | 3926 |
| 560 | Dental Public Health | 8 | 50 | 84 | 191 |
| 560 | Psychometrics | 2 | 50 | 607 | 576 |
| 560 | Eutrophication | 1 | 50 | 1795 | 2107 |
| 560 | Evolution | 3 | 50 | 2349 | 2835 |
| 564 | Biomarkers | 6 | 49 | 251 | 533 |
| 565 | Animal Behavior | 1 | 48 | 3360 | 2898 |
| 565 | Environmental Geochemistry | 4 | 48 | 485 | 765 |
| 565 | nursing ethics | 3 | 48 | 253 | 363 |
| 565 | Minerals | 4 | 48 | 771 | 1114 |
| 565 | sexual behavior | 3 | 48 | 753 | 968 |
| 570 | software | 4 | 47 | 962 | 1574 |
| 570 | Brain damage | 1 | 47 | 959 | 748 |
| 572 | Pediatric Neuropsychology | 1 | 46 | 242 | 58 |
| 572 | insect vectors | 7 | 46 | 8 | 10 |
| 574 | Developmental Psychology | 3 | 45 | 1157 | 1478 |
| 574 | Ecosystem management | 3 | 45 | 801 | 1059 |
| 574 | Immunogenetics | 4 | 45 | 798 | 1204 |
| 574 | nucleic acids | 2 | 45 | 2498 | 2811 |
| 574 | Membranes | 1 | 45 | 3068 | 2901 |
| 574 | Economic planning | 3 | 45 | 548 | 723 |
| 580 | Biological Systems | 1 | 44 | 1738 | 1092 |
| 580 | water supply | 4 | 44 | 952 | 1566 |
| 582 | Radiology | 9 | 43 | 1181 | 2070 |
| 582 | Neurochemistry | 4 | 43 | 2516 | 3623 |
| 582 | Radiography | 8 | 43 | 434 | 1012 |
| 582 | Molecular ecology | 3 | 43 | 1303 | 2137 |
| 586 | Human evolution | 2 | 41 | 608 | 745 |
| 586 | Lipids | 1 | 41 | 2631 | 2441 |
| 586 | Menopause | 2 | 41 | 463 | 504 |
| 589 | Agricultural Chemistry | 4 | 40 | 2589 | 3482 |
| 590 | Criminal Law | 1 | 39 | 550 | 327 |
| 590 | Systems Biology | 4 | 39 | 1789 | 2484 |
| 590 | Clinical Biochemistry | 3 | 39 | 1721 | 2090 |
| 590 | freshwater biology | 1 | 39 | 1840 | 1465 |
| 594 | Human Geography | 4 | 38 | 1105 | 1365 |
| 594 | Stress management | 1 | 38 | 43 | 44 |
| 596 | Industrial Statistics | 2 | 36 | 339 | 227 |
| 596 | probabilities | 2 | 36 | 1773 | 1316 |
| 596 | enzymes | 1 | 36 | 2879 | 2645 |
| 599 | Orthopedics | 3 | 35 | 2011 | 2455 |
| 600 | Forensic Psychiatry | 3 | 34 | 667 | 803 |
| 601 | Public Health Informatics | 7 | 33 | 44 | 43 |
| 601 | Histocompatibility Testing | 3 | 33 | 751 | 1008 |
| 601 | Hemophilia | 2 | 33 | 753 | 755 |
| 601 | Phylogeny | 1 | 33 | 1680 | 1749 |
| 605 | Energy Storage | 2 | 32 | 1854 | 1866 |
| 606 | Geology | 2 | 31 | 4127 | 4086 |
| 606 | Pediatric Nursing | 4 | 31 | 476 | 769 |
| 608 | Immunohematology | 2 | 30 | 191 | 85 |
| 608 | Blood group antigens | 2 | 30 | 130 | 57 |
| 610 | Atmospheric Physics | 1 | 29 | 2825 | 2606 |
| 610 | Orthopedic Surgery | 2 | 29 | 1310 | 1472 |
| 610 | Feasibility studies | 4 | 29 | 271 | 302 |
| 610 | food industry | 1 | 29 | 1596 | 983 |
| 614 | Pesticide residues | 2 | 28 | 106 | 254 |
| 614 | Biomolecules | 1 | 28 | 994 | 1130 |
| 614 | biopolymers | 1 | 28 | 2174 | 2092 |
| 617 | Geography | 2 | 27 | 3396 | 3608 |
| 617 | Forensic Psychology | 2 | 27 | 591 | 648 |
| 617 | Oxidative stress | 1 | 27 | 2300 | 2577 |
| 617 | Cognitive Therapy | 1 | 27 | 1296 | 1105 |
| 617 | Astrocytes | 2 | 27 | 693 | 1229 |
| 617 | Cell survival | 1 | 27 | 558 | 617 |
| 617 | population policy | 1 | 27 | 337 | 306 |
| 617 | Sociobiology | 1 | 27 | 620 | 455 |
| 617 | body temperature | 1 | 27 | 1112 | 937 |
| 617 | livestock | 1 | 27 | 1099 | 744 |
| 617 | molecular chaperones | 1 | 27 | 631 | 619 |
| 628 | Computer Science | 2 | 26 | 3397 | 3110 |
| 628 | Proteomics | 1 | 26 | 2297 | 2473 |
| 628 | Genetic epidemiology | 2 | 26 | 441 | 671 |
| 628 | locomotion | 1 | 26 | 1362 | 1248 |
| 628 | posture | 1 | 26 | 1362 | 1248 |
| 628 | morbidity | 1 | 26 | 48 | 55 |
| 628 | heredity | 2 | 26 | 1051 | 1310 |
| 628 | mortality | 1 | 26 | 188 | 142 |
| 628 | African Americans | 1 | 26 | 377 | 242 |
| 628 | African American | 1 | 26 | 295 | 208 |
| 628 | gait | 1 | 26 | 1362 | 1248 |
| 628 | walking | 1 | 26 | 1362 | 1248 |
| 640 | Psychiatric Nursing | 4 | 25 | 666 | 1141 |
| 640 | General Surgery | 3 | 25 | 914 | 1216 |
| 640 | Biosecurity | 2 | 25 | 6 | 5 |
| 640 | Leadership | 4 | 25 | 449 | 1029 |
| 640 | Cyberterrorism | 2 | 25 | 51 | 154 |
| 645 | Otolaryngology | 4 | 24 | 621 | 1110 |
| 645 | International Relations | 1 | 24 | 2244 | 1268 |
| 645 | Educational Psychology | 2 | 24 | 1942 | 2223 |
| 645 | Obstetric Nursing | 3 | 24 | 392 | 599 |
| 645 | Gene expression regulation | 2 | 24 | 1591 | 2108 |
| 645 | scientific societies | 1 | 24 | 1759 | 1694 |
| 651 | Operations Research | 2 | 23 | 3027 | 3264 |
| 651 | Diagnosis | 1 | 23 | 1425 | 1248 |
| 651 | Production Management | 1 | 23 | 1963 | 2174 |
| 651 | Genetic regulation | 2 | 23 | 1798 | 2545 |
| 651 | Brain | 1 | 23 | 4491 | 4612 |
| 651 | disease susceptibility | 1 | 23 | 837 | 864 |
| 651 | symptoms | 1 | 23 | 837 | 864 |
| 658 | Sexuality | 5 | 22 | 211 | 517 |
| 658 | Antigens | 3 | 22 | 1149 | 1863 |
| 658 | Cerebral cortex | 1 | 22 | 1624 | 1876 |
| 661 | Chronobiology | 1 | 21 | 993 | 875 |
| 661 | Criminal psychology | 2 | 21 | 1006 | 1219 |
| 661 | Circadian rhythms | 1 | 21 | 712 | 776 |
| 661 | biological clocks | 1 | 21 | 993 | 875 |
| 661 | circadian rhythm | 1 | 21 | 993 | 875 |
| 661 | biological rhythms | 1 | 21 | 935 | 856 |
| 661 | eye movements | 2 | 21 | 22 | 26 |
| 661 | gene mapping | 2 | 21 | 3140 | 4404 |
| 661 | mathematical concepts | 1 | 21 | 904 | 722 |
| 670 | Environmental Microbiology | 1 | 20 | 2821 | 3284 |
| 670 | Economic Thought | 1 | 20 | 607 | 776 |
| 670 | Multivariate Analysis | 1 | 20 | 959 | 881 |
| 670 | soil microbiology | 1 | 20 | 2768 | 3345 |
| 670 | rural health | 2 | 20 | 253 | 410 |
| 670 | Autoantibodies | 3 | 20 | 738 | 1479 |
| 670 | Autoimmunity | 3 | 20 | 962 | 1855 |
| 670 | civilization | 1 | 20 | 2526 | 831 |
| 670 | economic conditions | 1 | 20 | 1288 | 993 |
| 670 | Classification | 1 | 20 | 634 | 495 |
| 670 | Autoimmune diseases | 3 | 20 | 816 | 1638 |
| 670 | Insects | 3 | 20 | 1830 | 2356 |
| 670 | Digestive system diseases | 2 | 20 | 1471 | 2067 |
| 683 | Law | 2 | 19 | 2242 | 1387 |
| 683 | Dietetics | 4 | 19 | 846 | 1432 |
| 683 | Geographic information systems | 3 | 19 | 1358 | 1895 |
| 683 | Family Therapy | 4 | 19 | 710 | 1266 |
| 683 | child mental health | 4 | 19 | 435 | 887 |
| 683 | protein | 1 | 19 | 2381 | 2395 |
| 689 | Happiness | 4 | 18 | 356 | 1068 |
| 689 | North America | 1 | 18 | 1923 | 1742 |
| 689 | Personality Assessment | 1 | 18 | 995 | 1181 |
| 689 | pharmaceutical industry | 5 | 18 | 493 | 1278 |
| 693 | DNS | 1 | 17 | 1165 | 1383 |
| 693 | homosexuality | 3 | 17 | 434 | 875 |
| 693 | Pakistan | 5 | 17 | 322 | 381 |
| 693 | Prisons | 2 | 17 | 460 | 538 |
| 693 | Recombinant DNA | 1 | 17 | 3027 | 3263 |
| 693 | DNA | 1 | 17 | 1378 | 1432 |
| 693 | Genes | 1 | 17 | 2304 | 2474 |
| 700 | Systems Theory | 2 | 16 | 999 | 1120 |
| 700 | Computer Graphics | 1 | 16 | 3057 | 3012 |
| 700 | Neurosurgery | 2 | 16 | 1756 | 2312 |
| 700 | Drug targeting | 1 | 16 | 724 | 1013 |
| 700 | Diagnostic Imaging | 2 | 16 | 3283 | 4009 |
| 700 | Biocompatible Materials | 1 | 16 | 6111 | 6846 |
| 700 | Analgesics | 4 | 16 | 8 | 12 |
| 700 | Business Ethics | 1 | 16 | 1653 | 2005 |
| 700 | Molecular structure | 1 | 16 | 4499 | 4348 |
| 709 | Geriatric Nursing | 4 | 15 | 421 | 914 |
| 709 | Automation | 2 | 15 | 2627 | 3307 |
| 709 | Data Science | 2 | 15 | 257 | 94 |
| 709 | ethnicity | 2 | 15 | 1030 | 1224 |
| 709 | anesthesia | 1 | 15 | 1298 | 1016 |
| 709 | wood | 1 | 15 | 962 | 937 |
| 709 | Gastrointestinal diseases | 2 | 15 | 1144 | 1680 |
| 716 | Artificial Intelligence | 1 | 14 | 6461 | 6313 |
| 716 | Cell migration | 1 | 14 | 257 | 457 |
| 716 | Cell adhesion | 1 | 14 | 434 | 634 |
| 716 | cell movement | 1 | 14 | 546 | 809 |
| 716 | Scandinavia | 2 | 14 | 1113 | 1619 |
| 716 | cell interaction | 1 | 14 | 2311 | 2788 |
| 722 | Information Technology | 6 | 13 | 2211 | 4488 |
| 722 | Environmental Ethics | 2 | 13 | 234 | 295 |
| 722 | Cost of illness | 1 | 13 | 137 | 164 |
| 722 | Animal health | 3 | 13 | 578 | 878 |
| 722 | health and race | 1 | 13 | 518 | 686 |
| 722 | Crisis management | 4 | 13 | 119 | 421 |
| 722 | dietary supplements | 1 | 13 | 1692 | 2162 |
| 722 | Food Security | 1 | 13 | 419 | 611 |
| 722 | ethnic groups | 1 | 13 | 673 | 810 |
| 722 | Social behavior | 2 | 13 | 1656 | 2490 |
| 722 | Respiration | 2 | 13 | 2215 | 3387 |
| 722 | Yeast | 1 | 13 | 921 | 1159 |
| 734 | Zoology | 3 | 12 | 3177 | 4471 |
| 734 | Gender Studies | 1 | 12 | 973 | 1088 |
| 734 | Queer Studies | 1 | 12 | 601 | 785 |
| 734 | environmental justice | 1 | 12 | 107 | 85 |
| 734 | Total Quality Management | 1 | 12 | 1211 | 1459 |
| 734 | Accreditation | 2 | 12 | 150 | 197 |
| 734 | Risk communication | 1 | 12 | 25 | 26 |
| 734 | social justice | 1 | 12 | 771 | 597 |
| 734 | Freeze-Drying | 1 | 12 | 1074 | 1130 |
| 734 | Hypothermia | 1 | 12 | 1074 | 1130 |
| 734 | Freeze Drying | 1 | 12 | 1074 | 1130 |
| 734 | Societies | 2 | 12 | 241 | 315 |
| 746 | Surveying | 1 | 11 | 479 | 351 |
| 746 | Catalysis | 1 | 11 | 5165 | 5738 |
| 746 | Cartography | 1 | 11 | 1252 | 905 |
| 746 | Geodesy | 2 | 11 | 1194 | 1763 |
| 746 | Photogrammetry | 1 | 11 | 1890 | 1209 |
| 746 | Health care reform | 1 | 11 | 171 | 203 |
| 746 | preimplantation genetic diagnosis | 2 | 11 | 709 | 1240 |
| 746 | embryo transfer | 2 | 11 | 734 | 1277 |
| 746 | libraries | 2 | 11 | 1136 | 1047 |
| 746 | Nonprofit organizations | 1 | 11 | 672 | 888 |
| 746 | Multiple sclerosis | 1 | 11 | 1296 | 1286 |
| 757 | Occupational Therapy | 1 | 10 | 2316 | 2125 |
| 757 | Analytical Chemistry | 5 | 10 | 4454 | 8050 |
| 757 | Population aging | 1 | 10 | 1 | 1 |
| 757 | Urbanization | 1 | 10 | 638 | 651 |
| 757 | Materials | 1 | 10 | 8945 | 9268 |
| 757 | Entrepreneurship | 1 | 10 | 1938 | 2254 |
| 757 | Small Business | 1 | 10 | 1372 | 1816 |
| 757 | Algae | 2 | 10 | 1036 | 1630 |
| 757 | mental processes | 1 | 10 | 751 | 788 |
| 757 | Familial diseases | 1 | 10 | 553 | 753 |
| 757 | educational planning | 2 | 10 | 600 | 1048 |
| 757 | Cognition | 1 | 10 | 3011 | 3562 |
| 769 | Medical Laboratory Science | 2 | 9 | 3218 | 5209 |
| 769 | Dialysis | 1 | 9 | 334 | 269 |
| 769 | Radiopharmaceuticals | 1 | 9 | 853 | 788 |
| 769 | Kidney transplantation | 1 | 9 | 185 | 214 |
| 769 | Simulation Methods | 1 | 9 | 2132 | 2491 |
| 769 | animals | 1 | 9 | 2559 | 2761 |
| 769 | Antibodies | 1 | 9 | 1440 | 1839 |
| 769 | Safety management | 2 | 9 | 1002 | 1645 |
| 769 | Water chemistry | 1 | 9 | 933 | 1274 |
| 769 | child behavior | 2 | 9 | 555 | 1037 |
| 769 | Spain | 1 | 9 | 1657 | 1070 |
| 780 | Materials Science | 1 | 8 | 7635 | 7952 |
| 780 | Pediatric Endocrinology | 1 | 8 | 789 | 890 |
| 780 | Environmental Psychology | 2 | 8 | 523 | 1162 |
| 780 | Environmental Chemistry | 2 | 8 | 3232 | 5061 |
| 780 | Disability Studies | 2 | 8 | 433 | 714 |
| 780 | visual sociology | 1 | 8 | 103 | 51 |
| 780 | Hemostasis | 1 | 8 | 1626 | 2066 |
| 780 | Thrombosis | 1 | 8 | 2140 | 2731 |
| 780 | Bioavailability | 2 | 8 | 113 | 356 |
| 780 | Visual Anthropology | 1 | 8 | 235 | 150 |
| 780 | acupuncture | 1 | 8 | 530 | 466 |
| 780 | Metabolic disorders in children | 1 | 8 | 725 | 804 |
| 780 | energy transfer | 1 | 8 | 30 | 44 |
| 780 | insurance | 2 | 8 | 553 | 943 |
| 780 | Invertebrates | 2 | 8 | 940 | 1749 |
| 780 | Southeast Asia | 1 | 8 | 960 | 916 |
| 780 | family violence | 2 | 8 | 584 | 1158 |
| 797 | Asthma | 1 | 7 | 1555 | 2037 |
| 797 | Educational Technology | 3 | 7 | 1814 | 3570 |
| 797 | Tourism | 2 | 7 | 2228 | 3448 |
| 797 | Fracture mechanics | 2 | 7 | 1981 | 2998 |
| 797 | Quality Assurance | 2 | 7 | 586 | 1305 |
| 797 | Serbia | 1 | 7 | 353 | 274 |
| 797 | Criminal behavior | 1 | 7 | 426 | 560 |
| 804 | Engineering Mathematics | 1 | 6 | 4579 | 4892 |
| 804 | Community Health Nursing | 1 | 6 | 169 | 286 |
| 804 | Engineering Ethics | 1 | 6 | 458 | 778 |
| 804 | Intellectual Property | 1 | 6 | 481 | 429 |
| 804 | Medical Law | 1 | 6 | 98 | 107 |
| 804 | Biofeedback | 1 | 6 | 279 | 553 |
| 804 | Integrative Medicine | 2 | 6 | 428 | 859 |
| 804 | Organ transplantation | 2 | 6 | 634 | 1032 |
| 804 | Chromosome mapping | 1 | 6 | 3710 | 4866 |
| 804 | Professional ethics | 1 | 6 | 640 | 1052 |
| 804 | Drug delivery devices | 1 | 6 | 573 | 1009 |
| 804 | Consciousness | 1 | 6 | 947 | 1173 |
| 804 | sports injuries | 1 | 6 | 1210 | 1459 |
| 817 | Rural Development | 3 | 5 | 689 | 1506 |
| 817 | Cytogenetics | 1 | 5 | 3015 | 4111 |
| 817 | Natural resources | 2 | 5 | 1104 | 2131 |
| 817 | community development | 3 | 5 | 666 | 1529 |
| 817 | Evidence-based practice | 2 | 5 | 203 | 236 |
| 817 | DNA methylation | 1 | 5 | 694 | 1169 |
| 817 | textile fibers | 1 | 5 | 1146 | 1324 |
| 817 | economic development projects | 1 | 5 | 494 | 820 |
| 817 | Textile industry | 1 | 5 | 1240 | 1355 |
| 817 | Emotions | 1 | 5 | 1060 | 1546 |
| 827 | Forensic Science | 1 | 4 | 12 | 22 |
| 827 | Marine Biology | 1 | 4 | 4402 | 5632 |
| 827 | Structuralism | 1 | 4 | 326 | 593 |
| 827 | Clinical Laboratory Science | 2 | 4 | 439 | 1003 |
| 827 | Adult Education | 1 | 4 | 1183 | 1492 |
| 827 | Social Networks | 1 | 4 | 790 | 1161 |
| 827 | Ocular Motility Disorders | 1 | 4 | 50 | 44 |
| 827 | Synaptic Transmission | 1 | 4 | 1033 | 1598 |
| 827 | implementation science | 1 | 4 | 108 | 114 |
| 827 | isomerism | 1 | 4 | 762 | 1207 |
| 827 | polar regions | 1 | 4 | 1346 | 1882 |
| 827 | Stem cells | 1 | 4 | 2958 | 3942 |
| 827 | Library Science | 9 | 4 | 743 | 2637 |
| 827 | biomedicine | 1 | 4 | 2032 | 3119 |
| 827 | cloning | 1 | 4 | 1377 | 2121 |
| 827 | Chirality | 1 | 4 | 762 | 1207 |
| 843 | Humanities | 2 | 3 | 3073 | 4158 |
| 843 | Linguistics | 1 | 3 | 2874 | 2967 |
| 843 | Music Therapy | 1 | 3 | 538 | 848 |
| 843 | Public Administration | 3 | 3 | 1708 | 3231 |
| 843 | School Psychology | 1 | 3 | 870 | 1383 |
| 843 | Industrial Safety | 1 | 3 | 2544 | 3397 |
| 843 | History of Medicine | 1 | 3 | 1058 | 924 |
| 843 | Solar Energy | 1 | 3 | 3141 | 4335 |
| 843 | Disease management | 1 | 3 | 308 | 516 |
| 843 | Politics | 5 | 3 | 580 | 1245 |
| 843 | civil rights | 2 | 3 | 569 | 1094 |
| 843 | Functional foods | 1 | 3 | 906 | 1507 |
| 843 | Social integration | 1 | 3 | 58 | 50 |
| 843 | Respiratory system | 1 | 3 | 1247 | 1893 |
| 843 | Family | 1 | 3 | 1826 | 2656 |
| 843 | Educational measurement | 1 | 3 | 375 | 590 |
| 843 | Eastern Europe | 1 | 3 | 2072 | 2352 |
| 843 | immunoassay | 1 | 3 | 544 | 957 |
| 843 | Longevity | 1 | 3 | 447 | 884 |
| 843 | Soviet Union | 1 | 3 | 1637 | 1925 |
| 843 | rejuvenation | 1 | 3 | 336 | 721 |
| 864 | Polymers | 1 | 2 | 6992 | 8638 |
| 864 | Remote Sensing | 1 | 2 | 3025 | 3718 |
| 864 | Action Research | 1 | 2 | 526 | 1004 |
| 864 | Bioinformatics | 2 | 2 | 3052 | 5320 |
| 864 | Hallucinogens | 2 | 2 | 270 | 794 |
| 864 | Groundwater | 1 | 2 | 1378 | 2068 |
| 864 | rare diseases | 2 | 2 | 1050 | 2127 |
| 864 | Petroleum | 1 | 2 | 704 | 1023 |
| 864 | polymerization | 1 | 2 | 6014 | 7405 |
| 864 | genome | 1 | 2 | 3192 | 4465 |
| 864 | United Nations | 1 | 2 | 136 | 248 |
| 875 | Architecture | 1 | 1 | 1394 | 1671 |
| 875 | Nuclear Energy | 4 | 1 | 1200 | 2938 |
| 875 | Clinical Immunology | 1 | 1 | 2544 | 3704 |
| 875 | Atmospheric Chemistry | 1 | 1 | 1618 | 2383 |
| 875 | Medical Physics | 1 | 1 | 3024 | 4055 |
| 875 | Microbial Biotechnology | 3 | 1 | 1243 | 3204 |
| 875 | Wildlife conservation | 3 | 1 | 1451 | 3297 |
| 875 | Herbal medicine | 1 | 1 | 1542 | 2559 |
| 875 | Rwanda | 1 | 1 | 22 | 19 |
| 875 | construction | 1 | 1 | 420 | 757 |
| 875 | nuclear power | 4 | 1 | 533 | 1389 |
| 875 | Humanitarian Assistance | 1 | 1 | 88 | 175 |
| 875 | Information management | 2 | 1 | 115 | 662 |
| 875 | Laboratories | 1 | 1 | 59 | 133 |
| 875 | Food preferences | 1 | 1 | 777 | 1363 |
| 875 | California | 1 | 1 | 857 | 1316 |
| 891 | Electrical Engineering | 1 | 0 | 6011 | 7579 |
| 891 | Philosophy | 1 | 0 | 2835 | 3248 |
| 891 | Language Disorders | 1 | 0 | 1594 | 2536 |
| 891 | Clinical Trials | 2 | 0 | 904 | 2333 |
| 891 | Historical Geography | 1 | 0 | 430 | 522 |
| 891 | Nuclear Medicine | 1 | 0 | 2067 | 2955 |
| 891 | Special Education | 1 | 0 | 1540 | 2346 |
| 891 | Geriatric Pharmacology | 1 | 0 | 710 | 1361 |
| 891 | Geophysics | 1 | 0 | 5868 | 7881 |
| 891 | Psychoneuroimmunology | 1 | 0 | 1345 | 2094 |
| 891 | Astrophysics | 1 | 0 | 4759 | 6115 |
| 891 | Morphology | 2 | 0 | 1263 | 2402 |
| 891 | Environmental Education | 1 | 0 | 826 | 1479 |
| 891 | Geochemistry | 1 | 0 | 3429 | 4894 |
| 891 | Computational Linguistics | 1 | 0 | 1314 | 2183 |
| 891 | Forecasting | 1 | 0 | 1178 | 1862 |
| 891 | patient satisfaction | 1 | 0 | 377 | 783 |
| 891 | Neuroimmunology | 1 | 0 | 1495 | 2318 |
| 891 | Electron Microscopy | 1 | 0 | 877 | 1482 |
| 891 | Aerosols | 1 | 0 | 1170 | 1867 |
| 891 | Prognosis | 1 | 0 | 60 | 152 |
| 891 | pain management | 1 | 0 | 1487 | 2277 |
| 891 | Speech Disorders | 2 | 0 | 1421 | 2913 |
| 891 | big data | 1 | 0 | 1283 | 2339 |
| 891 | Medical legislation | 1 | 0 | 72 | 147 |
| 891 | Earthquakes | 1 | 0 | 814 | 1308 |
| 891 | Documentation | 2 | 0 | 544 | 1299 |
| 891 | vascular diseases | 1 | 0 | 1441 | 2262 |
| 891 | thinking | 1 | 0 | 622 | 1172 |
| 891 | animal diseases | 1 | 0 | 1028 | 1867 |
| 891 | cardiac catheterization | 1 | 0 | 1533 | 2213 |
| 891 | Drug discovery | 1 | 0 | 677 | 1374 |
| 891 | Endocrine system | 1 | 0 | 1735 | 1717 |
| 891 | information | 3 | 0 | 35 | 345 |
| 891 | Informatics | 1 | 0 | 1726 | 2663 |
| 891 | Speech | 1 | 0 | 1664 | 2672 |
| 891 | natural disasters | 1 | 0 | 2583 | 3966 |
| 891 | eugenics | 2 | 0 | 966 | 2454 |
| 891 | aerosol | 1 | 0 | 823 | 1343 |
| 891 | Pancreatic diseases | 1 | 0 | 1022 | 1282 |
| 891 | cosmetics | 1 | 0 | 518 | 1050 |
