| 1 | Medicine | 256 | 49.0K | 904 | 281 |
| 2 | Psychiatry | 263 | 16.0K | 259 | 219 |
| 3 | Mental Disorders | 107 | 11.5K | 284 | 155 |
| 4 | Biology | 140 | 10.7K | 1150 | 991 |
| 5 | Science | 127 | 10.5K | 1356 | 1035 |
| 6 | United States | 404 | 8.6K | 228 | 305 |
| 7 | Physics | 64 | 8.0K | 2234 | 1306 |
| 8 | Research | 88 | 6.2K | 1494 | 886 |
| 9 | Cancer | 46 | 5.4K | 714 | 405 |
| 10 | Mental illness | 43 | 5.2K | 359 | 194 |
| 11 | Oncology | 35 | 5.1K | 452 | 340 |
| 12 | Natural history | 29 | 4.9K | 897 | 918 |
| 13 | Hematology | 155 | 4.8K | 294 | 323 |
| 14 | Neurology | 164 | 4.7K | 653 | 786 |
| 15 | Business | 49 | 4.4K | 379 | 255 |
| 16 | management | 60 | 4.4K | 658 | 472 |
| 17 | Human genetics | 12 | 4.3K | 827 | 561 |
| 18 | Psychology | 206 | 4.2K | 440 | 552 |
| 19 | Schizophrenia | 119 | 4.1K | 59 | 90 |
| 20 | Education | 150 | 3.8K | 347 | 302 |
| 21 | Dermatology | 120 | 3.8K | 139 | 143 |
| 22 | Endocrinology | 38 | 3.8K | 718 | 476 |
| 23 | Chemistry | 71 | 3.7K | 2245 | 1765 |
| 24 | Molecular Biology | 64 | 3.5K | 1692 | 1396 |
| 25 | marketing | 104 | 3.5K | 124 | 255 |
| 26 | Biochemistry | 52 | 3.5K | 2259 | 1567 |
| 27 | Economic History | 39 | 3.4K | 789 | 222 |
| 28 | Clinical Psychology | 55 | 3.2K | 200 | 182 |
| 29 | Behavior | 68 | 3.2K | 554 | 552 |
| 30 | Pediatrics | 129 | 3.1K | 207 | 328 |
| 31 | Social Psychology | 56 | 3.1K | 415 | 363 |
| 32 | Metabolism | 17 | 2.8K | 915 | 530 |
| 33 | psychotherapy | 37 | 2.8K | 291 | 192 |
| 34 | medical education | 101 | 2.7K | 168 | 163 |
| 35 | Cytology | 16 | 2.7K | 1623 | 889 |
| 36 | Cardiovascular system | 22 | 2.6K | 444 | 349 |
| 37 | Metabolic diseases | 19 | 2.6K | 741 | 464 |
| 38 | Telecommunication | 51 | 2.6K | 524 | 373 |
| 39 | Microbiology | 48 | 2.5K | 1515 | 1291 |
| 40 | Neurophysiology | 24 | 2.2K | 956 | 631 |
| 41 | Hypertension | 15 | 2.1K | 590 | 385 |
| 42 | Geriatrics | 67 | 2.1K | 443 | 406 |
| 43 | Surgery | 40 | 2.1K | 331 | 401 |
| 44 | personality | 33 | 2.0K | 392 | 342 |
| 45 | natural products | 1 | 2.0K | 2478 | 154 |
| 45 | biological factors | 1 | 2.0K | 2551 | 214 |
| 47 | Transportation | 18 | 1.9K | 580 | 244 |
| 48 | Rheumatology | 18 | 1.9K | 360 | 195 |
| 49 | arthritis | 25 | 1.8K | 329 | 273 |
| 50 | Psychophysiology | 56 | 1.8K | 606 | 660 |
| 51 | human behavior | 29 | 1.7K | 657 | 653 |
| 52 | Cell Biology | 12 | 1.6K | 1691 | 1115 |
| 53 | Educational Psychology | 32 | 1.6K | 377 | 291 |
| 54 | Obstetrics | 98 | 1.5K | 253 | 396 |
| 55 | Urology | 76 | 1.4K | 214 | 312 |
| 56 | Marine resources | 5 | 1.4K | 456 | 40 |
| 56 | ports | 5 | 1.4K | 144 | 10 |
| 58 | Child psychology | 34 | 1.4K | 355 | 400 |
| 59 | behavioral medicine | 27 | 1.4K | 307 | 304 |
| 60 | Critical Care | 21 | 1.3K | 441 | 456 |
| 60 | Critical Care Medicine | 21 | 1.3K | 441 | 460 |
| 62 | Child Development | 23 | 1.3K | 600 | 465 |
| 63 | Adolescent | 64 | 1.3K | 283 | 371 |
| 63 | cardiac catheterization | 12 | 1.3K | 263 | 56 |
| 65 | Neurons | 3 | 1.2K | 502 | 361 |
| 66 | Health | 43 | 1.2K | 379 | 390 |
| 67 | Bipolar Disorder | 11 | 1.2K | 133 | 70 |
| 68 | Emergency Medicine | 63 | 1.2K | 158 | 171 |
| 69 | Production Management | 5 | 1.2K | 881 | 392 |
| 70 | behavior therapy | 42 | 1.2K | 154 | 181 |
| 71 | Developmental Biology | 11 | 1.2K | 884 | 584 |
| 72 | Animal Behavior | 28 | 1.2K | 561 | 549 |
| 73 | Child | 73 | 1.1K | 286 | 468 |
| 74 | Public Health | 53 | 1.1K | 1019 | 1231 |
| 75 | Kidney diseases | 37 | 1.1K | 129 | 150 |
| 76 | diseases | 1 | 1.1K | 535 | 278 |
| 76 | Disease | 1 | 1.1K | 530 | 276 |
| 78 | Nephrology | 33 | 1.1K | 90 | 122 |
| 79 | School Psychology | 14 | 1.0K | 161 | 88 |
| 80 | Obesity | 23 | 1.0K | 569 | 553 |
| 81 | Medical genetics | 27 | 1.0K | 728 | 816 |
| 82 | Radiology | 53 | 980 | 174 | 180 |
| 83 | Astrophysics | 22 | 979 | 1315 | 1108 |
| 84 | Leukemia | 25 | 977 | 269 | 325 |
| 85 | Immunology | 36 | 976 | 816 | 979 |
| 86 | Eating Disorders | 35 | 947 | 146 | 178 |
| 87 | Zoology | 31 | 945 | 724 | 559 |
| 87 | Diagnostic microbiology | 19 | 945 | 340 | 438 |
| 89 | Medical innovations | 5 | 933 | 601 | 383 |
| 89 | drug development | 4 | 933 | 667 | 331 |
| 91 | Genetics | 22 | 920 | 1152 | 1176 |
| 92 | Radiography | 44 | 910 | 117 | 271 |
| 93 | Ecology | 19 | 898 | 2502 | 2349 |
| 94 | Spectrum analysis | 20 | 874 | 1783 | 1373 |
| 95 | Psychopharmacology | 18 | 833 | 510 | 495 |
| 96 | Positive Psychology | 10 | 828 | 40 | 42 |
| 97 | violence | 11 | 812 | 451 | 252 |
| 98 | Social Sciences | 39 | 800 | 771 | 725 |
| 99 | Physiology | 13 | 796 | 1857 | 1345 |
| 100 | Virology | 5 | 787 | 1728 | 1104 |
| 101 | Nutrition | 29 | 771 | 1224 | 1361 |
| 102 | Aggression | 8 | 761 | 245 | 114 |
| 103 | Sociology | 32 | 749 | 772 | 800 |
| 104 | school psychologists | 10 | 737 | 85 | 57 |
| 105 | Liver diseases | 27 | 735 | 390 | 582 |
| 106 | Ethology | 16 | 734 | 605 | 603 |
| 107 | Adolescent Psychology | 8 | 712 | 458 | 247 |
| 108 | Quality of life | 10 | 688 | 653 | 407 |
| 109 | Feeding and Eating Disorders | 29 | 685 | 160 | 231 |
| 110 | Biophysics | 30 | 682 | 1740 | 1902 |
| 111 | adolescence | 14 | 668 | 367 | 310 |
| 112 | Nervous system | 22 | 666 | 796 | 893 |
| 113 | Happiness | 6 | 642 | 226 | 67 |
| 114 | Microorganisms | 4 | 639 | 813 | 426 |
| 115 | health services | 10 | 635 | 471 | 218 |
| 116 | Teaching | 32 | 628 | 396 | 442 |
| 117 | child behavior | 9 | 616 | 170 | 127 |
| 118 | Small Business | 12 | 611 | 277 | 404 |
| 119 | Bacteriology | 1 | 606 | 2126 | 794 |
| 120 | Economics | 38 | 604 | 1229 | 1295 |
| 121 | Mental Health | 22 | 601 | 442 | 408 |
| 122 | Molecular structure | 2 | 591 | 2693 | 754 |
| 123 | Ecological Genetics | 5 | 586 | 442 | 70 |
| 123 | Learning disabilities | 22 | 586 | 223 | 227 |
| 125 | Medical Oncology | 31 | 557 | 395 | 631 |
| 126 | Vocational guidance | 33 | 555 | 193 | 368 |
| 127 | Epidemiology | 13 | 553 | 1485 | 1138 |
| 127 | finance | 42 | 553 | 513 | 789 |
| 129 | Ecophysiology | 3 | 545 | 208 | 12 |
| 130 | Emotions | 9 | 544 | 303 | 268 |
| 131 | Substance Abuse | 20 | 543 | 461 | 448 |
| 132 | rehabilitation | 26 | 542 | 566 | 739 |
| 133 | Bone diseases | 1 | 540 | 715 | 197 |
| 134 | Pathology | 38 | 531 | 495 | 791 |
| 134 | Sports | 22 | 531 | 732 | 692 |
| 136 | Biomedical Engineering | 20 | 527 | 1928 | 1977 |
| 137 | Environmental Health | 23 | 525 | 1846 | 2250 |
| 138 | Personality Assessment | 10 | 521 | 265 | 246 |
| 139 | Speech Disorders | 32 | 520 | 250 | 362 |
| 140 | Biotechnology | 10 | 511 | 2902 | 2500 |
| 141 | children | 2 | 509 | 586 | 160 |
| 142 | Developmental Disabilities | 12 | 503 | 427 | 426 |
| 142 | alcoholism | 18 | 503 | 497 | 531 |
| 144 | Clinical Immunology | 20 | 496 | 332 | 412 |
| 145 | older people | 19 | 495 | 518 | 371 |
| 146 | Early Childhood Education | 1 | 489 | 984 | 116 |
| 147 | Meteorology | 8 | 488 | 1228 | 989 |
| 148 | Bioengineering | 9 | 485 | 2292 | 1939 |
| 149 | Leadership | 6 | 482 | 318 | 253 |
| 150 | pain | 12 | 481 | 559 | 529 |
| 151 | Organizational Behavior | 13 | 478 | 227 | 315 |
| 151 | health behavior | 14 | 478 | 325 | 300 |
| 151 | Cognitive Therapy | 23 | 478 | 127 | 200 |
| 154 | Parenteral nutrition | 7 | 465 | 533 | 407 |
| 155 | Transplantation | 11 | 461 | 446 | 442 |
| 156 | Music | 16 | 460 | 258 | 157 |
| 157 | Information Science | 13 | 458 | 1180 | 1091 |
| 158 | Health Policy | 18 | 455 | 730 | 721 |
| 159 | Exercise | 18 | 454 | 495 | 477 |
| 160 | consumer behavior | 9 | 450 | 223 | 216 |
| 160 | Inflammation | 8 | 450 | 584 | 498 |
| 162 | Molecular Microbiology | 7 | 448 | 508 | 506 |
| 163 | commerce | 13 | 446 | 625 | 602 |
| 164 | Environment | 6 | 443 | 3040 | 2693 |
| 165 | Nuclear Medicine | 14 | 442 | 361 | 325 |
| 165 | voice | 9 | 442 | 223 | 101 |
| 165 | Entrepreneurship | 10 | 442 | 422 | 562 |
| 168 | Aging | 22 | 439 | 857 | 1000 |
| 169 | Gerontology | 20 | 436 | 620 | 604 |
| 170 | Smoking | 10 | 435 | 335 | 301 |
| 171 | drug addiction | 13 | 432 | 462 | 481 |
| 172 | Operations Research | 13 | 423 | 1115 | 955 |
| 173 | Health Services Administration | 4 | 418 | 777 | 292 |
| 174 | Occupational Health | 14 | 414 | 325 | 274 |
| 174 | Medical Microbiology | 5 | 414 | 1392 | 1067 |
| 176 | Special Education | 16 | 408 | 261 | 214 |
| 177 | Europe | 22 | 403 | 1013 | 1052 |
| 178 | sexual behavior | 11 | 397 | 269 | 268 |
| 179 | Brain | 20 | 395 | 998 | 1219 |
| 180 | Neurosurgery | 26 | 376 | 224 | 429 |
| 181 | Solid State Physics | 37 | 371 | 1273 | 1675 |
| 181 | Speech | 20 | 371 | 265 | 429 |
| 183 | Language Disorders | 21 | 366 | 255 | 306 |
| 184 | Attention | 21 | 361 | 523 | 682 |
| 185 | Learning | 15 | 357 | 539 | 598 |
| 186 | Health Education | 19 | 350 | 626 | 687 |
| 187 | Physical Therapy | 15 | 349 | 465 | 605 |
| 188 | Toxicology | 22 | 348 | 1659 | 2242 |
| 188 | Neural circuitry | 6 | 348 | 1482 | 1016 |
| 188 | Mortgages | 13 | 348 | 55 | 68 |
| 191 | Neuropharmacology | 4 | 341 | 474 | 233 |
| 191 | Condensed Matter | 31 | 341 | 1122 | 1485 |
| 193 | Cognition | 22 | 338 | 609 | 843 |
| 194 | Spine | 17 | 337 | 216 | 341 |
| 195 | Qualitative Research | 2 | 334 | 639 | 194 |
| 195 | International Finance | 25 | 334 | 470 | 785 |
| 197 | Adolescent Medicine | 13 | 333 | 184 | 401 |
| 198 | Geography | 4 | 332 | 1667 | 960 |
| 199 | Human Geography | 12 | 328 | 498 | 455 |
| 200 | Neurochemistry | 5 | 325 | 1571 | 1187 |
| 201 | motivation | 4 | 322 | 287 | 173 |
| 201 | Emotion | 3 | 322 | 211 | 126 |
| 203 | General Surgery | 11 | 321 | 255 | 190 |
| 204 | Astronomy | 10 | 320 | 1501 | 1432 |
| 205 | Memory | 17 | 319 | 631 | 822 |
| 206 | Chronic diseases | 4 | 318 | 477 | 371 |
| 207 | Allergy | 15 | 317 | 411 | 713 |
| 208 | Sports Medicine | 16 | 316 | 1029 | 1057 |
| 209 | Automation | 1 | 313 | 2758 | 1220 |
| 210 | Biochemical Engineering | 2 | 312 | 3032 | 2150 |
| 211 | Hearing | 18 | 310 | 205 | 268 |
| 212 | Perception | 15 | 304 | 708 | 821 |
| 213 | Cognitive Behavioral Therapy | 11 | 301 | 40 | 55 |
| 214 | Environmental Policy | 7 | 298 | 2041 | 1983 |
| 215 | Decision making | 17 | 297 | 463 | 665 |
| 216 | Fiber Optics | 16 | 294 | 350 | 391 |
| 217 | Computer Science | 2 | 293 | 2411 | 724 |
| 217 | Visual Perception | 16 | 293 | 571 | 717 |
| 219 | Immunopathology | 22 | 287 | 384 | 629 |
| 220 | Developmental Psychology | 8 | 286 | 588 | 585 |
| 221 | Corporate governance | 5 | 283 | 417 | 244 |
| 222 | Physical fitness | 13 | 281 | 403 | 537 |
| 223 | Neuropsychiatry | 12 | 280 | 321 | 392 |
| 224 | Molecular Genetics | 8 | 278 | 1015 | 1081 |
| 224 | Carcinogenesis | 3 | 278 | 831 | 534 |
| 224 | counseling | 29 | 278 | 341 | 570 |
| 227 | Business Ethics | 9 | 276 | 510 | 839 |
| 228 | Infertility | 13 | 273 | 350 | 540 |
| 228 | fertility | 13 | 273 | 383 | 580 |
| 230 | Thrombosis | 9 | 270 | 519 | 530 |
| 231 | Therapeutics | 7 | 269 | 905 | 867 |
| 232 | Orthopedics | 19 | 267 | 487 | 673 |
| 232 | Ergonomics | 8 | 267 | 525 | 400 |
| 234 | Australia | 10 | 265 | 846 | 671 |
| 235 | industrial relations | 7 | 260 | 509 | 316 |
| 235 | Reproduction | 9 | 260 | 1183 | 1082 |
| 237 | Genomics | 12 | 259 | 1354 | 1592 |
| 238 | Audiology | 15 | 256 | 292 | 376 |
| 238 | Population Genetics | 5 | 256 | 837 | 740 |
| 238 | Socialization | 7 | 256 | 318 | 357 |
| 238 | role | 7 | 256 | 261 | 305 |
| 242 | Criminology | 5 | 254 | 719 | 404 |
| 243 | Geology | 4 | 253 | 2178 | 1469 |
| 243 | Data Mining | 4 | 253 | 1371 | 879 |
| 243 | data collection | 4 | 253 | 875 | 582 |
| 246 | Hemostasis | 8 | 248 | 382 | 321 |
| 247 | Herpetology | 10 | 244 | 106 | 58 |
| 247 | North America | 7 | 244 | 440 | 284 |
| 249 | carcinogens | 2 | 243 | 1023 | 576 |
| 249 | mutagens | 2 | 243 | 748 | 520 |
| 249 | Reptiles | 9 | 243 | 98 | 50 |
| 252 | Thorax | 13 | 240 | 144 | 239 |
| 253 | drug therapy | 10 | 239 | 958 | 1019 |
| 254 | Mathematics | 62 | 237 | 1679 | 2559 |
| 255 | Sleep Disorders | 15 | 236 | 566 | 735 |
| 256 | Intellectual disability | 16 | 230 | 274 | 380 |
| 257 | Engineering | 19 | 229 | 1736 | 2102 |
| 258 | Pollution | 16 | 228 | 2345 | 3340 |
| 259 | Medical Ethics | 18 | 227 | 369 | 428 |
| 260 | Paleoceanography | 2 | 226 | 206 | 168 |
| 261 | Medical Laboratory Science | 4 | 225 | 1539 | 1326 |
| 262 | Molecular ecology | 4 | 224 | 802 | 789 |
| 262 | Social problems | 11 | 224 | 249 | 378 |
| 264 | Chemotherapy | 9 | 223 | 600 | 689 |
| 265 | mammals | 8 | 222 | 551 | 450 |
| 266 | Communication | 22 | 221 | 673 | 1156 |
| 267 | Primates | 2 | 220 | 799 | 353 |
| 268 | Neuropsychology | 10 | 219 | 1172 | 1269 |
| 269 | Neurotransmitters | 13 | 217 | 178 | 232 |
| 269 | Earth Sciences | 6 | 217 | 2217 | 1788 |
| 271 | drugs | 5 | 216 | 1409 | 1088 |
| 272 | Regional Planning | 7 | 213 | 956 | 843 |
| 273 | Radio | 7 | 212 | 886 | 884 |
| 274 | Amphibians | 8 | 210 | 78 | 35 |
| 275 | consumers | 5 | 208 | 250 | 206 |
| 276 | Immunity | 11 | 207 | 791 | 1268 |
| 277 | Cardiovascular diseases | 14 | 205 | 625 | 789 |
| 278 | Venture Capital | 2 | 204 | 361 | 384 |
| 278 | innovation | 2 | 204 | 743 | 583 |
| 280 | Ethics | 10 | 203 | 424 | 375 |
| 280 | Nonprofit organizations | 3 | 203 | 348 | 172 |
| 282 | Embryology | 6 | 202 | 919 | 972 |
| 282 | Molecular evolution | 6 | 202 | 934 | 1025 |
| 282 | Women's health | 18 | 202 | 336 | 595 |
| 285 | Pediatric Neurology | 6 | 199 | 544 | 716 |
| 286 | Otolaryngology | 24 | 198 | 127 | 267 |
| 286 | environmental pollution | 10 | 198 | 2339 | 2957 |
| 288 | Criminal psychology | 1 | 197 | 1075 | 451 |
| 288 | crime | 2 | 197 | 807 | 330 |
| 290 | international trade | 6 | 196 | 452 | 355 |
| 291 | breastfeeding | 6 | 195 | 265 | 225 |
| 291 | brain mapping | 4 | 195 | 492 | 488 |
| 293 | Library Science | 10 | 194 | 388 | 245 |
| 294 | Urban Economics | 5 | 191 | 232 | 265 |
| 295 | Autism | 2 | 190 | 736 | 489 |
| 296 | Ophthalmology | 9 | 182 | 940 | 1026 |
| 297 | Consumer education | 5 | 181 | 200 | 263 |
| 298 | educational innovations | 14 | 177 | 146 | 328 |
| 299 | Asia | 11 | 176 | 1379 | 1349 |
| 300 | Artificial Intelligence | 12 | 174 | 1949 | 2400 |
| 301 | infection | 15 | 173 | 581 | 1033 |
| 302 | Consumer Protection | 3 | 169 | 176 | 116 |
| 302 | scientific societies | 4 | 169 | 550 | 431 |
| 304 | Anatomy | 6 | 168 | 1301 | 1175 |
| 305 | Diabetes mellitus | 9 | 166 | 934 | 1301 |
| 305 | Diabetes | 9 | 166 | 973 | 1334 |
| 307 | Information Technology | 8 | 164 | 1486 | 1582 |
| 307 | Nuclear Physics | 16 | 164 | 2033 | 2361 |
| 307 | Anxiety Disorders | 5 | 164 | 348 | 506 |
| 307 | Anxiety | 5 | 164 | 348 | 506 |
| 311 | International Relations | 4 | 163 | 870 | 497 |
| 312 | Radiobiology | 18 | 159 | 431 | 776 |
| 313 | Health Information Management | 4 | 157 | 220 | 520 |
| 314 | Experimental Psychology | 3 | 156 | 593 | 419 |
| 314 | Psychoneuroimmunology | 2 | 156 | 670 | 568 |
| 314 | Neuroimmunology | 2 | 156 | 746 | 623 |
| 314 | organization | 4 | 156 | 685 | 719 |
| 318 | Community Psychology | 10 | 154 | 247 | 430 |
| 319 | Sound | 5 | 152 | 787 | 566 |
| 320 | Medical Technology | 9 | 150 | 793 | 1057 |
| 320 | Medical Physics | 9 | 150 | 835 | 1092 |
| 320 | Ultrasonics | 4 | 150 | 1039 | 1056 |
| 320 | Ferroelectricity | 4 | 150 | 869 | 460 |
| 320 | Ultrasound | 4 | 150 | 597 | 494 |
| 320 | Radio frequency | 4 | 150 | 367 | 288 |
| 320 | Sleep | 14 | 150 | 599 | 929 |
| 327 | child abuse | 4 | 149 | 663 | 650 |
| 328 | Political Science | 20 | 148 | 665 | 896 |
| 329 | Software Engineering | 12 | 147 | 462 | 667 |
| 329 | Risk Management | 8 | 147 | 302 | 432 |
| 329 | Family | 10 | 147 | 472 | 597 |
| 332 | Cell death | 2 | 146 | 1062 | 977 |
| 333 | Telemedicine | 4 | 145 | 238 | 217 |
| 334 | Magnetic Resonance Imaging | 4 | 143 | 333 | 277 |
| 334 | Environmental monitoring | 3 | 143 | 3249 | 2982 |
| 334 | Birds | 9 | 143 | 625 | 611 |
| 337 | Cerebral cortex | 3 | 140 | 796 | 728 |
| 338 | Environmental Engineering | 3 | 138 | 3263 | 2672 |
| 338 | Genes | 4 | 138 | 890 | 774 |
| 340 | Antibodies | 3 | 137 | 506 | 394 |
| 340 | Antigens | 3 | 137 | 644 | 505 |
| 342 | gene therapy | 2 | 133 | 951 | 779 |
| 342 | at-risk youth | 1 | 133 | 155 | 117 |
| 344 | environmental protection | 2 | 132 | 3558 | 2741 |
| 344 | Portfolio Management | 11 | 132 | 84 | 113 |
| 346 | Health Services Research | 7 | 130 | 896 | 969 |
| 347 | Biodiversity | 4 | 127 | 1802 | 1568 |
| 348 | Marine Biology | 10 | 126 | 1345 | 1854 |
| 348 | Analytical Chemistry | 5 | 126 | 2933 | 2930 |
| 348 | preventive medicine | 10 | 126 | 529 | 893 |
| 348 | Social Change | 5 | 126 | 766 | 1148 |
| 352 | Community Psychiatry | 4 | 125 | 727 | 746 |
| 352 | System analysis | 7 | 125 | 1580 | 1702 |
| 352 | Health promotion | 13 | 125 | 418 | 723 |
| 352 | International Business | 2 | 125 | 213 | 80 |
| 352 | Developing countries | 12 | 125 | 1036 | 1591 |
| 357 | Environmental Law | 1 | 124 | 1497 | 1181 |
| 357 | epilepsy | 7 | 124 | 528 | 633 |
| 357 | Digestive system diseases | 14 | 124 | 374 | 655 |
| 360 | Diagnostic Imaging | 8 | 123 | 1014 | 1190 |
| 360 | Evolution | 3 | 123 | 1607 | 1401 |
| 362 | Gender Studies | 3 | 122 | 529 | 377 |
| 362 | Advertising | 7 | 122 | 146 | 315 |
| 364 | Queer Studies | 2 | 121 | 400 | 242 |
| 364 | homosexuality | 2 | 121 | 518 | 308 |
| 366 | Protozoa | 2 | 119 | 499 | 334 |
| 366 | Growth | 5 | 119 | 759 | 1065 |
| 368 | Crisis management | 5 | 117 | 64 | 86 |
| 368 | Body Image | 2 | 117 | 279 | 246 |
| 370 | Psycholinguistics | 8 | 116 | 548 | 808 |
| 370 | technical education | 4 | 116 | 561 | 461 |
| 372 | Pharmacology | 9 | 115 | 2528 | 3197 |
| 372 | Child welfare | 8 | 115 | 586 | 754 |
| 372 | Hearing Aids | 10 | 115 | 78 | 113 |
| 375 | Infections | 3 | 114 | 918 | 971 |
| 376 | Family Therapy | 13 | 113 | 295 | 505 |
| 377 | Statistical physics | 7 | 112 | 2123 | 2303 |
| 377 | Entomology | 4 | 112 | 1853 | 1376 |
| 379 | Ornithology | 4 | 111 | 780 | 607 |
| 380 | Neuromuscular diseases | 3 | 110 | 521 | 483 |
| 380 | Muscles | 3 | 110 | 696 | 732 |
| 382 | Philosophy | 33 | 109 | 444 | 684 |
| 383 | Environmental Toxicology | 1 | 108 | 3011 | 2180 |
| 383 | Higher Education | 3 | 108 | 615 | 424 |
| 383 | Art Therapy | 19 | 108 | 18 | 99 |
| 383 | Language and Education | 1 | 108 | 272 | 68 |
| 383 | Marine invertebrates | 8 | 108 | 71 | 92 |
| 383 | tests | 1 | 108 | 372 | 200 |
| 389 | recreation | 11 | 107 | 291 | 445 |
| 390 | occupational diseases | 8 | 105 | 383 | 672 |
| 390 | Mental Health Services | 9 | 105 | 567 | 888 |
| 392 | Statistics | 13 | 104 | 1259 | 1549 |
| 392 | pain management | 5 | 104 | 411 | 452 |
| 392 | strategy | 1 | 104 | 299 | 64 |
| 395 | Environmental Chemistry | 5 | 103 | 1548 | 1988 |
| 395 | Organizational culture | 1 | 103 | 94 | 65 |
| 395 | Customer service | 3 | 103 | 40 | 18 |
| 395 | Tropical Medicine | 19 | 103 | 559 | 1236 |
| 395 | corporate culture | 1 | 103 | 412 | 192 |
| 395 | India | 4 | 103 | 1245 | 581 |
| 401 | Paleoclimatology | 1 | 102 | 1421 | 992 |
| 401 | Paleoecology | 1 | 102 | 1400 | 929 |
| 401 | Music Therapy | 17 | 102 | 28 | 121 |
| 401 | Research Design | 5 | 102 | 818 | 975 |
| 401 | Paleogeography | 1 | 102 | 1273 | 861 |
| 401 | Capital market | 2 | 102 | 578 | 416 |
| 407 | Economic Development | 2 | 101 | 1775 | 1380 |
| 407 | Molecular Imaging | 3 | 101 | 499 | 518 |
| 407 | Primary health care | 8 | 101 | 881 | 1203 |
| 407 | biological evolution | 6 | 101 | 1308 | 1848 |
| 411 | blood transfusion | 10 | 100 | 257 | 383 |
| 411 | Human Resources | 3 | 100 | 459 | 590 |
| 413 | Parasitic Diseases | 2 | 99 | 1904 | 1497 |
| 413 | Creativity | 4 | 99 | 213 | 287 |
| 415 | mediation | 2 | 98 | 104 | 24 |
| 415 | Parallel Processing | 2 | 98 | 534 | 469 |
| 415 | Electrophysiology | 6 | 98 | 603 | 652 |
| 415 | Communication in politics | 1 | 98 | 519 | 146 |
| 419 | Autobiography | 8 | 96 | 16 | 3 |
| 419 | Neuroendocrinology | 1 | 96 | 241 | 236 |
| 419 | Futures | 7 | 96 | 150 | 241 |
| 422 | Organic Chemistry | 4 | 95 | 2420 | 2368 |
| 422 | Dance therapy | 16 | 95 | 20 | 86 |
| 422 | environmental exposure | 8 | 95 | 1098 | 1832 |
| 425 | Linguistics | 6 | 94 | 930 | 912 |
| 425 | Electronics | 9 | 94 | 1918 | 2270 |
| 425 | Orthopedic Surgery | 2 | 94 | 779 | 567 |
| 425 | Career development | 3 | 94 | 423 | 302 |
| 425 | Bioorganic chemistry | 4 | 94 | 2188 | 2294 |
| 425 | Brachytherapy | 4 | 94 | 136 | 104 |
| 425 | Youth | 4 | 94 | 560 | 651 |
| 425 | Export Marketing | 8 | 94 | 53 | 289 |
| 433 | Comparative Physiology | 3 | 93 | 737 | 752 |
| 433 | Long-Term Care | 4 | 93 | 393 | 508 |
| 433 | Long-term care facilities | 4 | 93 | 391 | 506 |
| 433 | Travel | 14 | 93 | 232 | 564 |
| 433 | Autoantibodies | 2 | 93 | 589 | 560 |
| 433 | Marriage | 3 | 93 | 499 | 425 |
| 433 | Autoimmunity | 2 | 93 | 715 | 713 |
| 433 | Autoimmune diseases | 2 | 93 | 635 | 595 |
| 433 | Multiple sclerosis | 6 | 93 | 355 | 353 |
| 442 | Vaccines | 6 | 92 | 984 | 1271 |
| 443 | working class | 3 | 91 | 169 | 223 |
| 444 | Quantum electronics | 4 | 90 | 1373 | 1185 |
| 445 | Economic Geography | 4 | 89 | 284 | 323 |
| 445 | Photonics | 4 | 89 | 1478 | 1602 |
| 445 | Self | 3 | 89 | 184 | 196 |
| 448 | Lymphoma | 5 | 88 | 230 | 189 |
| 448 | Multiple Myeloma | 5 | 88 | 228 | 179 |
| 450 | Pediatric Hematology | 8 | 87 | 172 | 187 |
| 450 | Biomechanics | 3 | 87 | 1218 | 1152 |
| 450 | Obsessive-Compulsive Disorder | 5 | 87 | 68 | 71 |
| 453 | Neurolinguistics | 4 | 86 | 361 | 495 |
| 453 | Nutrition physiology | 1 | 86 | 1111 | 702 |
| 453 | dietary supplements | 1 | 86 | 1412 | 914 |
| 456 | Vocational Education | 9 | 85 | 269 | 428 |
| 457 | Planetary Science | 2 | 84 | 576 | 363 |
| 457 | Simulation Methods | 7 | 84 | 578 | 870 |
| 457 | Cell differentiation | 4 | 84 | 1055 | 1432 |
| 457 | Suicide | 6 | 84 | 324 | 471 |
| 457 | lasers | 3 | 84 | 2013 | 1637 |
| 462 | Wildlife conservation | 8 | 83 | 600 | 1156 |
| 462 | pollutants | 2 | 83 | 2022 | 1978 |
| 462 | Environmental pollutants | 2 | 83 | 2333 | 2223 |
| 462 | human development | 3 | 83 | 769 | 844 |
| 462 | language | 5 | 83 | 617 | 777 |
| 467 | Palliative Care | 8 | 81 | 415 | 589 |
| 467 | Bioethics | 10 | 81 | 459 | 669 |
| 467 | shellfish | 1 | 81 | 302 | 112 |
| 470 | Anthropology | 20 | 80 | 520 | 1156 |
| 471 | speech therapy | 7 | 79 | 247 | 334 |
| 472 | Neonatology | 3 | 78 | 573 | 538 |
| 472 | Luminescence | 1 | 78 | 1941 | 1168 |
| 472 | Meteorites | 1 | 78 | 1070 | 948 |
| 475 | Urban Policy | 4 | 77 | 718 | 933 |
| 475 | urban forestry | 4 | 77 | 174 | 268 |
| 475 | liver | 4 | 77 | 237 | 278 |
| 478 | Process Control | 2 | 75 | 1147 | 1308 |
| 478 | Sales management | 2 | 75 | 294 | 417 |
| 478 | selling | 2 | 75 | 294 | 417 |
| 481 | Organ transplantation | 6 | 74 | 207 | 221 |
| 481 | educational planning | 1 | 74 | 727 | 459 |
| 481 | Investments | 9 | 74 | 165 | 401 |
| 484 | Nuclear Energy | 4 | 72 | 794 | 743 |
| 484 | Labor Unions | 3 | 72 | 244 | 123 |
| 484 | labor | 3 | 72 | 327 | 270 |
| 484 | Bacterial infections | 8 | 72 | 385 | 938 |
| 488 | Depression | 2 | 71 | 392 | 528 |
| 489 | patient satisfaction | 6 | 70 | 47 | 50 |
| 489 | healthcare disparities | 9 | 70 | 199 | 486 |
| 489 | Radiotherapy | 9 | 70 | 165 | 190 |
| 489 | Heart Failure | 4 | 70 | 282 | 442 |
| 493 | Mass Media | 11 | 69 | 336 | 492 |
| 493 | vascular diseases | 4 | 69 | 535 | 751 |
| 495 | Alzheimer's disease | 7 | 68 | 822 | 921 |
| 496 | Medical Imaging | 3 | 67 | 238 | 244 |
| 496 | Computational Biology | 3 | 67 | 2159 | 2203 |
| 496 | Wildlife management | 4 | 67 | 424 | 453 |
| 499 | Mycology | 2 | 66 | 1612 | 1459 |
| 499 | Financial Institutions | 1 | 66 | 744 | 438 |
| 499 | Liposomes | 2 | 66 | 737 | 662 |
| 499 | Lipid bilayers | 2 | 66 | 611 | 551 |
| 503 | Applied Linguistics | 3 | 65 | 639 | 514 |
| 503 | Chromosome mapping | 2 | 65 | 1761 | 1804 |
| 503 | genome | 3 | 65 | 1245 | 1594 |
| 503 | gene mapping | 2 | 65 | 1876 | 1970 |
| 503 | Consciousness | 3 | 65 | 484 | 485 |
| 508 | Educational Technology | 7 | 64 | 1040 | 1724 |
| 508 | men | 2 | 64 | 394 | 323 |
| 508 | Fungi | 1 | 64 | 1391 | 1121 |
| 511 | Cytogenetics | 3 | 63 | 1107 | 1368 |
| 511 | Biomass Energy | 1 | 63 | 3064 | 2654 |
| 511 | biofuels | 1 | 63 | 473 | 561 |
| 514 | Nonlinear Dynamics | 4 | 62 | 1566 | 1714 |
| 514 | Radio waves | 3 | 62 | 791 | 889 |
| 514 | Post-traumatic stress disorder | 5 | 62 | 535 | 863 |
| 514 | biomedicine | 1 | 62 | 871 | 686 |
| 518 | Well-being | 1 | 61 | 327 | 158 |
| 518 | Second Language Acquisition | 1 | 61 | 372 | 304 |
| 518 | peace | 4 | 61 | 399 | 531 |
| 518 | language therapy | 5 | 61 | 116 | 170 |
| 518 | conflict management | 2 | 61 | 313 | 351 |
| 523 | Information Systems | 4 | 60 | 1181 | 1518 |
| 523 | Mitochondria | 2 | 60 | 337 | 390 |
| 523 | Phylogeny | 3 | 60 | 839 | 1132 |
| 526 | Histology | 1 | 59 | 2212 | 1789 |
| 526 | Physical Chemistry | 2 | 59 | 2224 | 2000 |
| 526 | Industrial Safety | 8 | 59 | 630 | 1217 |
| 526 | Reading | 9 | 59 | 315 | 620 |
| 526 | Host-parasite interactions | 2 | 59 | 1214 | 1428 |
| 526 | Relationships | 2 | 59 | 211 | 256 |
| 532 | Geometry | 7 | 58 | 796 | 795 |
| 532 | Chromosomes | 3 | 58 | 837 | 1031 |
| 532 | women | 5 | 58 | 643 | 667 |
| 535 | industrial hygiene | 7 | 57 | 555 | 784 |
| 535 | Cultural diversity | 3 | 57 | 175 | 254 |
| 535 | cultural pluralism | 3 | 57 | 416 | 427 |
| 538 | Signal Transduction | 3 | 55 | 1240 | 1552 |
| 538 | Cognitive Science | 4 | 55 | 1314 | 1823 |
| 538 | Work | 4 | 55 | 291 | 393 |
| 538 | family violence | 3 | 55 | 413 | 579 |
| 542 | civilization | 14 | 54 | 409 | 434 |
| 542 | Drug discovery | 4 | 54 | 159 | 314 |
| 544 | Nuclear Engineering | 2 | 53 | 1552 | 1209 |
| 544 | race relations | 4 | 53 | 515 | 612 |
| 544 | Bones | 1 | 53 | 952 | 927 |
| 547 | Occupational Therapy | 12 | 52 | 380 | 743 |
| 547 | Pediatric Dermatology | 5 | 52 | 244 | 350 |
| 547 | Criminal Law | 1 | 52 | 463 | 273 |
| 547 | Biosensors | 2 | 52 | 1386 | 1809 |
| 547 | feeding behavior | 5 | 52 | 515 | 969 |
| 547 | behavior modification | 2 | 52 | 446 | 552 |
| 547 | Bioelectronics | 2 | 52 | 1249 | 1687 |
| 547 | psychological abuse | 2 | 52 | 11 | 23 |
| 547 | primary prevention | 3 | 52 | 365 | 515 |
| 556 | Pediatric Endocrinology | 5 | 51 | 208 | 240 |
| 556 | poverty | 2 | 51 | 526 | 509 |
| 556 | International security | 1 | 51 | 367 | 369 |
| 556 | China | 2 | 51 | 2965 | 2707 |
| 560 | Socioeconomic Factors | 1 | 50 | 1251 | 1005 |
| 560 | Discrete geometry | 6 | 50 | 156 | 220 |
| 560 | Latin America | 5 | 50 | 899 | 811 |
| 563 | Image Processing | 2 | 49 | 2308 | 2218 |
| 563 | hospice care | 8 | 49 | 249 | 543 |
| 563 | Biodiversity conservation | 3 | 49 | 1397 | 1842 |
| 563 | sex crimes | 2 | 49 | 757 | 771 |
| 563 | Pancreatic diseases | 3 | 49 | 327 | 381 |
| 568 | Neurobiology | 2 | 48 | 1540 | 1756 |
| 568 | Fluid Dynamics | 2 | 48 | 1243 | 1166 |
| 568 | preimplantation genetic diagnosis | 9 | 48 | 178 | 517 |
| 568 | Biocompatible Materials | 3 | 48 | 2860 | 3495 |
| 568 | embryo transfer | 9 | 48 | 188 | 526 |
| 573 | Psychosomatic Medicine | 4 | 47 | 578 | 935 |
| 573 | Conservation Biology | 3 | 47 | 1020 | 1292 |
| 573 | Dialysis | 4 | 47 | 74 | 67 |
| 573 | Kidney transplantation | 4 | 47 | 40 | 52 |
| 573 | risk factors | 3 | 47 | 580 | 742 |
| 573 | Child health | 2 | 47 | 9 | 1 |
| 573 | chronic disease | 3 | 47 | 257 | 352 |
| 573 | Respiration | 4 | 47 | 1076 | 1514 |
| 581 | Total Quality Management | 2 | 46 | 740 | 803 |
| 582 | Humanities | 8 | 45 | 1034 | 1644 |
| 582 | Pharmaceutical Chemistry | 4 | 45 | 2640 | 3204 |
| 582 | Cognitive Radio Networks | 3 | 45 | 204 | 287 |
| 582 | Bioinformatics | 1 | 45 | 2527 | 2055 |
| 582 | Parasitology | 7 | 45 | 1447 | 2206 |
| 582 | Dementia | 6 | 45 | 870 | 986 |
| 582 | African Americans | 5 | 45 | 132 | 187 |
| 589 | Graph Theory | 5 | 44 | 557 | 586 |
| 589 | Pharmacogenetics | 3 | 44 | 786 | 1053 |
| 589 | Optical Communications | 3 | 44 | 786 | 808 |
| 589 | Antioxidants | 2 | 44 | 828 | 1113 |
| 589 | student | 1 | 44 | 136 | 83 |
| 589 | Genetic therapy | 3 | 44 | 831 | 1137 |
| 589 | drug evaluation | 2 | 44 | 1361 | 1508 |
| 596 | Tribology | 1 | 43 | 1570 | 1289 |
| 596 | Optics | 4 | 43 | 3127 | 3200 |
| 596 | Hemodynamics | 1 | 43 | 762 | 794 |
| 596 | Feminism | 4 | 43 | 497 | 614 |
| 596 | Job satisfaction | 1 | 43 | 224 | 284 |
| 596 | elder abuse | 1 | 43 | 542 | 465 |
| 596 | paraphilias | 2 | 43 | 229 | 301 |
| 596 | Islam | 22 | 43 | 45 | 431 |
| 596 | job stress | 1 | 43 | 224 | 284 |
| 596 | Development | 1 | 43 | 1230 | 1137 |
| 596 | Marriage counseling | 2 | 43 | 382 | 456 |
| 596 | African American | 3 | 43 | 134 | 156 |
| 608 | Econometrics | 2 | 42 | 1565 | 1312 |
| 608 | Clinical Biochemistry | 4 | 42 | 888 | 1227 |
| 608 | Marine biodiversity | 4 | 42 | 152 | 214 |
| 608 | locomotion | 2 | 42 | 750 | 830 |
| 608 | posture | 2 | 42 | 750 | 830 |
| 608 | Risk | 6 | 42 | 324 | 717 |
| 608 | weight loss | 3 | 42 | 132 | 212 |
| 608 | gait | 2 | 42 | 750 | 830 |
| 608 | walking | 2 | 42 | 750 | 830 |
| 617 | Labor Economics | 3 | 41 | 500 | 598 |
| 617 | Cognitive neuroscience | 3 | 41 | 883 | 1236 |
| 617 | mycoses | 1 | 41 | 1080 | 1051 |
| 617 | nucleic acids | 2 | 41 | 1507 | 1713 |
| 617 | Communication in medicine | 3 | 41 | 512 | 698 |
| 617 | internet | 3 | 41 | 1546 | 1883 |
| 617 | Student Health Services | 5 | 41 | 201 | 402 |
| 617 | health planning | 3 | 41 | 2139 | 2347 |
| 617 | Oxidation-reduction | 1 | 41 | 1061 | 1204 |
| 626 | Organizational change | 5 | 40 | 529 | 975 |
| 626 | Quantum Gravity | 5 | 40 | 1585 | 1904 |
| 626 | East Asia | 1 | 40 | 1172 | 645 |
| 626 | Synapses | 1 | 40 | 418 | 408 |
| 630 | Genetic engineering | 3 | 39 | 1761 | 2261 |
| 630 | Clinical Chemistry | 5 | 39 | 1752 | 2618 |
| 630 | genre | 1 | 39 | 463 | 268 |
| 630 | Financial management | 5 | 39 | 302 | 764 |
| 630 | Auditing | 2 | 39 | 480 | 565 |
| 630 | Social work | 5 | 39 | 1025 | 1385 |
| 630 | Sales Promotion | 2 | 39 | 119 | 143 |
| 630 | Labor Movement | 4 | 39 | 111 | 109 |
| 638 | Information Theory | 4 | 38 | 1168 | 1476 |
| 638 | Catalysis | 6 | 38 | 2329 | 3323 |
| 638 | Sikhism | 7 | 38 | 7 | 7 |
| 638 | Health insurance | 5 | 38 | 280 | 506 |
| 638 | child sexual abuse | 1 | 38 | 311 | 250 |
| 643 | Botany | 2 | 37 | 3411 | 3681 |
| 643 | Game Theory | 4 | 37 | 481 | 617 |
| 643 | Microfabrication | 3 | 37 | 345 | 473 |
| 643 | Sexual health | 4 | 37 | 559 | 790 |
| 643 | Japan | 4 | 37 | 1502 | 1917 |
| 643 | sports injuries | 3 | 37 | 529 | 683 |
| 649 | Logistics | 7 | 36 | 312 | 977 |
| 649 | Geriatric Psychiatry | 8 | 36 | 501 | 1199 |
| 649 | Human-Computer Interaction | 2 | 36 | 1807 | 1983 |
| 649 | Molecular recognition | 1 | 36 | 450 | 345 |
| 649 | Exercise therapy | 4 | 36 | 362 | 566 |
| 649 | visualization | 6 | 36 | 930 | 1076 |
| 655 | Educational Leadership | 2 | 35 | 189 | 225 |
| 655 | Clinical Pharmacology | 3 | 35 | 1092 | 1431 |
| 655 | Cost control | 5 | 35 | 84 | 144 |
| 655 | Invertebrates | 2 | 35 | 719 | 825 |
| 659 | Literature | 13 | 34 | 317 | 229 |
| 659 | Mobile Computing | 2 | 34 | 1274 | 1312 |
| 659 | Disability Studies | 5 | 34 | 158 | 371 |
| 659 | Popular culture | 4 | 34 | 434 | 407 |
| 659 | Wireless Communication Systems | 3 | 34 | 2142 | 2418 |
| 659 | Randomized Controlled Trials | 3 | 34 | 873 | 1000 |
| 659 | Comparative Advertising | 3 | 34 | 63 | 155 |
| 666 | Public Policy | 6 | 33 | 1147 | 2252 |
| 666 | Agricultural Ecology | 1 | 33 | 1495 | 1581 |
| 666 | Dance | 9 | 33 | 126 | 193 |
| 666 | Mathematical Physics | 8 | 33 | 1832 | 2634 |
| 666 | Online social networks | 1 | 33 | 623 | 470 |
| 666 | Identity | 1 | 33 | 292 | 298 |
| 666 | mental health promotion | 1 | 33 | 295 | 279 |
| 666 | Communication Disorders | 4 | 33 | 251 | 391 |
| 666 | Africa | 6 | 33 | 1029 | 1500 |
| 666 | Performance | 1 | 33 | 449 | 428 |
| 666 | tomography | 4 | 33 | 294 | 411 |
| 666 | Agriculture | 1 | 33 | 2857 | 2423 |
| 678 | Fluid Mechanics | 4 | 32 | 1255 | 1691 |
| 678 | Diet | 4 | 32 | 1451 | 2526 |
| 678 | biological invasions | 1 | 32 | 951 | 948 |
| 681 | Climatology | 2 | 31 | 1829 | 2118 |
| 681 | Marine Ecology | 2 | 31 | 878 | 988 |
| 681 | Microbial Ecology | 2 | 31 | 2103 | 2803 |
| 681 | Decision Support Systems | 4 | 31 | 100 | 260 |
| 681 | Biofilms | 2 | 31 | 209 | 398 |
| 681 | computer networks | 2 | 31 | 2583 | 2771 |
| 687 | Probability | 3 | 30 | 565 | 830 |
| 687 | Comparative Education | 1 | 30 | 470 | 310 |
| 687 | Forecasting | 8 | 30 | 242 | 789 |
| 687 | intergroup relations | 1 | 30 | 366 | 394 |
| 687 | Stem cells | 2 | 30 | 1272 | 1607 |
| 692 | Architectural Design | 2 | 29 | 584 | 583 |
| 692 | Urban Geography | 2 | 29 | 293 | 384 |
| 692 | Erectile dysfunction | 3 | 29 | 227 | 374 |
| 692 | Microcirculation | 4 | 29 | 378 | 731 |
| 692 | Genetic regulation | 2 | 29 | 1097 | 1416 |
| 692 | Citizenship | 2 | 29 | 191 | 265 |
| 692 | Personality Disorders | 1 | 29 | 426 | 438 |
| 692 | Customer Relations | 1 | 29 | 185 | 155 |
| 692 | Microwaves | 2 | 29 | 1395 | 1364 |
| 692 | drug abuse | 6 | 29 | 386 | 854 |
| 692 | California | 4 | 29 | 319 | 516 |
| 692 | Spain | 5 | 29 | 286 | 194 |
| 704 | Development Economics | 3 | 28 | 418 | 695 |
| 704 | Religion | 9 | 28 | 478 | 726 |
| 704 | Nanostructured Materials | 5 | 28 | 2133 | 3193 |
| 704 | Medical Anthropology | 3 | 28 | 1138 | 1851 |
| 704 | Disability Law | 4 | 28 | 128 | 282 |
| 704 | design | 1 | 28 | 479 | 335 |
| 704 | Microscopy | 3 | 28 | 1354 | 1635 |
| 704 | death | 3 | 28 | 326 | 471 |
| 712 | Feminist Economics | 1 | 27 | 181 | 245 |
| 712 | Patient education | 4 | 27 | 450 | 940 |
| 712 | Ethnic relations | 4 | 27 | 498 | 731 |
| 712 | Electrophoresis | 2 | 27 | 1686 | 2037 |
| 712 | Nationalism | 3 | 27 | 333 | 423 |
| 712 | dual diagnosis | 1 | 27 | 188 | 134 |
| 718 | Psychometrics | 3 | 26 | 432 | 634 |
| 718 | Symbolic interactionism | 2 | 26 | 152 | 216 |
| 718 | Urban Anthropology | 3 | 26 | 171 | 336 |
| 718 | Knowledge | 3 | 26 | 488 | 545 |
| 718 | educational accountability | 1 | 26 | 175 | 164 |
| 723 | Asthma | 5 | 25 | 441 | 888 |
| 723 | Journalism | 5 | 25 | 411 | 684 |
| 723 | Analytical Biochemistry | 2 | 25 | 1847 | 2198 |
| 723 | Coral reef biology | 1 | 25 | 473 | 547 |
| 723 | Political Participation | 3 | 25 | 339 | 523 |
| 723 | Investment analysis | 2 | 25 | 1235 | 1398 |
| 723 | Elderly | 12 | 25 | 528 | 1098 |
| 723 | School Improvement Programs | 1 | 25 | 69 | 74 |
| 723 | Shipping | 2 | 25 | 107 | 110 |
| 723 | Stress | 1 | 25 | 558 | 621 |
| 723 | community music | 1 | 25 | 64 | 37 |
| 734 | Counseling Psychology | 1 | 24 | 426 | 468 |
| 734 | Educational Anthropology | 4 | 24 | 76 | 172 |
| 734 | taxation | 1 | 24 | 493 | 451 |
| 734 | Labor Supply | 1 | 24 | 145 | 206 |
| 734 | Synaptic Transmission | 1 | 24 | 683 | 757 |
| 734 | Human Capital | 1 | 24 | 477 | 522 |
| 734 | Political Parties | 2 | 24 | 242 | 372 |
| 734 | Aquaculture | 1 | 24 | 1888 | 1825 |
| 742 | Industrial Engineering | 5 | 23 | 1358 | 2431 |
| 742 | Radiation Oncology | 2 | 23 | 388 | 570 |
| 742 | Food | 4 | 23 | 2472 | 3849 |
| 742 | protein | 2 | 23 | 1251 | 1527 |
| 742 | organizational effectiveness | 2 | 23 | 563 | 773 |
| 742 | Screening | 1 | 23 | 346 | 357 |
| 742 | libraries | 13 | 23 | 176 | 698 |
| 742 | Combinatorial analysis | 4 | 23 | 902 | 1020 |
| 742 | Europa | 1 | 23 | 828 | 830 |
| 742 | Appetite | 3 | 23 | 605 | 1149 |
| 742 | proteins | 2 | 23 | 1936 | 2394 |
| 753 | Discourse Analysis | 1 | 22 | 691 | 664 |
| 753 | Oral Medicine | 2 | 22 | 886 | 1018 |
| 753 | housing policy | 3 | 22 | 100 | 215 |
| 753 | ethnicity | 3 | 22 | 703 | 885 |
| 753 | Altitude Sickness | 1 | 22 | 257 | 256 |
| 753 | Animal ecology | 3 | 22 | 1059 | 1523 |
| 753 | Electromagnetic waves | 1 | 22 | 586 | 502 |
| 753 | Housing | 3 | 22 | 475 | 922 |
| 753 | concepts | 1 | 22 | 260 | 209 |
| 753 | Altitude | 1 | 22 | 257 | 256 |
| 753 | Classification | 3 | 22 | 260 | 443 |
| 764 | Real Estate Investment | 2 | 21 | 218 | 295 |
| 764 | Chromatography | 1 | 21 | 2089 | 2132 |
| 764 | Retinal diseases | 7 | 21 | 38 | 48 |
| 764 | Freezing | 1 | 21 | 503 | 434 |
| 764 | Learning strategies | 2 | 21 | 11 | 54 |
| 764 | nanoscience | 1 | 21 | 3346 | 3404 |
| 764 | Vietnam | 1 | 21 | 264 | 276 |
| 764 | Chromatographic analysis | 1 | 21 | 2338 | 2292 |
| 764 | real estate | 2 | 21 | 72 | 103 |
| 773 | symbiosis | 2 | 20 | 182 | 371 |
| 773 | Bioavailability | 3 | 20 | 62 | 229 |
| 773 | Cardiopulmonary Resuscitation | 3 | 20 | 143 | 200 |
| 773 | actuators | 1 | 20 | 2669 | 2915 |
| 773 | cardiac arrest | 3 | 20 | 143 | 200 |
| 773 | Oral communication | 4 | 20 | 362 | 752 |
| 773 | city planning | 1 | 20 | 2320 | 2267 |
| 773 | values | 6 | 20 | 116 | 251 |
| 773 | transducers | 1 | 20 | 2669 | 2915 |
| 773 | cloning | 1 | 20 | 779 | 989 |
| 783 | Land Use Planning | 2 | 19 | 478 | 759 |
| 783 | Cardiac electrophysiology | 1 | 19 | 351 | 430 |
| 783 | civil rights | 3 | 19 | 384 | 605 |
| 783 | Knowledge management | 7 | 19 | 105 | 855 |
| 783 | psychopathology | 2 | 19 | 348 | 517 |
| 783 | families | 5 | 19 | 658 | 1256 |
| 783 | arrhythmia | 1 | 19 | 351 | 430 |
| 783 | planning | 3 | 19 | 758 | 1364 |
| 791 | Surface Chemistry | 1 | 18 | 3924 | 4152 |
| 791 | Telecommunications | 2 | 18 | 1019 | 1280 |
| 791 | health and race | 1 | 18 | 357 | 446 |
| 791 | Evidence-based practice | 2 | 18 | 117 | 113 |
| 791 | social justice | 3 | 18 | 413 | 552 |
| 791 | ethnic groups | 1 | 18 | 590 | 673 |
| 791 | child mental health | 2 | 18 | 573 | 852 |
| 791 | Broadcasting | 1 | 18 | 358 | 397 |
| 791 | monitoring | 3 | 18 | 258 | 481 |
| 791 | Colloids | 1 | 18 | 3917 | 4231 |
| 791 | Writing | 1 | 18 | 511 | 590 |
| 791 | Virulence | 1 | 18 | 1282 | 1642 |
| 791 | Nuclear family | 4 | 18 | 128 | 289 |
| 791 | Literacy | 1 | 18 | 550 | 518 |
| 791 | Southern states | 2 | 18 | 365 | 455 |
| 806 | Multicultural Education | 3 | 17 | 395 | 661 |
| 806 | Solar Energy | 1 | 17 | 2422 | 2786 |
| 806 | Organizational learning | 4 | 17 | 282 | 948 |
| 806 | Visual Anthropology | 5 | 17 | 41 | 97 |
| 806 | solar power | 1 | 17 | 1265 | 1575 |
| 806 | Transnational corporations | 2 | 17 | 516 | 966 |
| 806 | Molecular cloning | 1 | 17 | 1905 | 2076 |
| 806 | Crisis Intervention | 1 | 17 | 297 | 386 |
| 806 | Genetic recombination | 1 | 17 | 1874 | 2051 |
| 806 | solar cells | 1 | 17 | 1336 | 1658 |
| 806 | Recombinant DNA | 1 | 17 | 1952 | 2134 |
| 806 | muscle strength | 3 | 17 | 68 | 155 |
| 806 | Bereavement | 2 | 17 | 245 | 398 |
| 819 | Global Health | 3 | 16 | 1026 | 1717 |
| 819 | Dietetics | 2 | 16 | 634 | 860 |
| 819 | Mineralogy | 1 | 16 | 1742 | 1754 |
| 819 | Lung Transplantation | 2 | 16 | 369 | 572 |
| 819 | Metallurgy | 1 | 16 | 2673 | 2586 |
| 819 | Forensic Psychiatry | 1 | 16 | 800 | 814 |
| 819 | technology transfer | 1 | 16 | 550 | 672 |
| 819 | Genetic disorders | 2 | 16 | 444 | 681 |
| 819 | Atherosclerosis | 2 | 16 | 192 | 387 |
| 819 | Immunohistochemistry | 2 | 16 | 226 | 300 |
| 819 | Drug delivery systems | 1 | 16 | 2088 | 2354 |
| 819 | Heart transplantation | 2 | 16 | 369 | 572 |
| 819 | Communication in marketing | 2 | 16 | 204 | 472 |
| 819 | cataloging | 2 | 16 | 153 | 113 |
| 819 | Metals | 1 | 16 | 2543 | 2541 |
| 834 | Cognitive Psychology | 2 | 15 | 568 | 708 |
| 834 | Religion and Science | 2 | 15 | 160 | 149 |
| 834 | Political Sociology | 2 | 15 | 586 | 783 |
| 834 | Discrete Mathematics | 3 | 15 | 364 | 428 |
| 834 | Homelessness | 3 | 15 | 38 | 111 |
| 834 | Psychological Stress | 3 | 15 | 38 | 111 |
| 834 | Popular Literature | 2 | 15 | 156 | 144 |
| 834 | Respiratory system | 1 | 15 | 752 | 945 |
| 834 | graph | 3 | 15 | 364 | 428 |
| 834 | Hospitals | 3 | 15 | 314 | 610 |
| 834 | pharmaceutical industry | 1 | 15 | 968 | 1115 |
| 845 | Classical Philology | 4 | 14 | 239 | 248 |
| 845 | Human Rights | 1 | 14 | 984 | 975 |
| 845 | Social Issues | 2 | 14 | 333 | 584 |
| 845 | Social welfare | 1 | 14 | 958 | 989 |
| 845 | Reproductive toxicology | 1 | 14 | 699 | 938 |
| 845 | Logic Programming | 2 | 14 | 405 | 457 |
| 845 | Securities | 1 | 14 | 692 | 836 |
| 845 | animals | 2 | 14 | 1402 | 1798 |
| 845 | ecosystem | 1 | 14 | 1785 | 2198 |
| 845 | crime victims | 1 | 14 | 338 | 420 |
| 855 | Intercultural Communication | 1 | 13 | 835 | 936 |
| 855 | Poetry | 2 | 13 | 36 | 45 |
| 855 | Functional Genomics | 2 | 13 | 303 | 658 |
| 855 | health services accessibility | 2 | 13 | 1048 | 1585 |
| 855 | Tourism | 1 | 13 | 2394 | 2828 |
| 855 | Immunochemistry | 1 | 13 | 1332 | 1529 |
| 855 | Moral Education | 1 | 13 | 282 | 360 |
| 855 | Fluorescence spectroscopy | 1 | 13 | 379 | 480 |
| 855 | Molecular Spectroscopy | 1 | 13 | 2375 | 2681 |
| 855 | sadness | 2 | 13 | 314 | 648 |
| 855 | Social behavior | 1 | 13 | 1709 | 1909 |
| 855 | antisocial personality disorder | 2 | 13 | 314 | 648 |
| 867 | Electrical Engineering | 4 | 12 | 2583 | 3435 |
| 867 | American Literature | 12 | 12 | 217 | 227 |
| 867 | Algebra | 3 | 12 | 1464 | 1622 |
| 867 | Coastal zone management | 1 | 12 | 1076 | 1377 |
| 867 | mental health policy | 1 | 12 | 313 | 434 |
| 867 | Multiculturalism | 1 | 12 | 173 | 181 |
| 867 | Solid State Chemistry | 1 | 12 | 2983 | 3150 |
| 867 | Visual Literacy | 2 | 12 | 32 | 62 |
| 867 | Geriatric Oncology | 2 | 12 | 591 | 1056 |
| 867 | Employee selection | 1 | 12 | 242 | 374 |
| 867 | Rhetoric | 7 | 12 | 73 | 180 |
| 867 | Economic anthropology | 3 | 12 | 67 | 114 |
| 867 | Adipose tissue | 1 | 12 | 163 | 276 |
| 867 | cell interaction | 1 | 12 | 1354 | 1712 |
| 867 | Endocrine system | 8 | 12 | 371 | 586 |
| 867 | Protein engineering | 1 | 12 | 366 | 521 |
| 867 | molecular design | 1 | 12 | 409 | 530 |
| 867 | Jews | 5 | 12 | 178 | 196 |
| 867 | Human biology | 1 | 12 | 1044 | 1191 |
| 867 | venom | 2 | 12 | 889 | 1474 |
| 867 | Toxins | 2 | 12 | 1007 | 1616 |
| 888 | Project Management | 1 | 11 | 510 | 838 |
| 888 | Engineering Mathematics | 2 | 11 | 2167 | 2572 |
| 888 | Political Psychology | 1 | 11 | 571 | 763 |
| 888 | Social Movements | 1 | 11 | 299 | 350 |
| 888 | Numerical Analysis | 2 | 11 | 2605 | 3058 |
| 888 | Psychoanalysis | 4 | 11 | 276 | 438 |
| 888 | Collective behavior | 1 | 11 | 210 | 331 |
| 888 | Human trafficking | 1 | 11 | 169 | 158 |
| 888 | election law | 3 | 11 | 258 | 506 |
| 888 | Computational Complexity | 3 | 11 | 1045 | 1723 |
| 888 | Renaissance | 2 | 11 | 281 | 236 |
| 888 | Metabolic disorders in children | 2 | 11 | 362 | 537 |
| 888 | Elections | 2 | 11 | 415 | 608 |
| 888 | Jurisprudence | 2 | 11 | 1032 | 1398 |
| 888 | slavery | 1 | 11 | 187 | 212 |
| 888 | sex differences | 1 | 11 | 274 | 440 |
| 888 | Heterocyclic compounds | 1 | 11 | 1512 | 1606 |
| 888 | Psychiatric hospitals | 2 | 11 | 255 | 404 |
| 888 | Voting | 2 | 11 | 303 | 486 |
| 888 | mathematical concepts | 2 | 11 | 516 | 763 |
| 908 | Clinical Trials | 3 | 10 | 425 | 892 |
| 908 | Evolutionary Psychology | 1 | 10 | 328 | 435 |
| 908 | Production Engineering | 6 | 10 | 1366 | 2813 |
| 908 | Public Administration | 3 | 10 | 1327 | 2066 |
| 908 | Physical organic chemistry | 1 | 10 | 1890 | 2174 |
| 908 | Asset Management | 1 | 10 | 153 | 154 |
| 908 | Democracy | 2 | 10 | 425 | 549 |
| 908 | Reproductive health | 1 | 10 | 1174 | 1502 |
| 908 | Behavioral research | 2 | 10 | 794 | 1353 |
| 908 | Radiation | 2 | 10 | 2284 | 2979 |
| 908 | Hallucinogens | 2 | 10 | 208 | 488 |
| 908 | Eastern Europe | 2 | 10 | 1143 | 1436 |
| 908 | Labor history | 2 | 10 | 120 | 167 |
| 908 | negotiation | 1 | 10 | 148 | 188 |
| 908 | intervention | 1 | 10 | 200 | 227 |
| 908 | school sports | 1 | 10 | 229 | 346 |
| 908 | Greece | 1 | 10 | 145 | 88 |
| 925 | Archaeology | 3 | 9 | 1216 | 1767 |
| 925 | Freshwater Ecology | 1 | 9 | 542 | 694 |
| 925 | Energy Policy | 2 | 9 | 2791 | 3984 |
| 925 | Crime prevention | 1 | 9 | 459 | 535 |
| 925 | Diagnosis | 2 | 9 | 470 | 856 |
| 925 | Intelligence | 1 | 9 | 431 | 577 |
| 925 | Patient Safety | 2 | 9 | 102 | 213 |
| 925 | Risk communication | 1 | 9 | 21 | 42 |
| 925 | Gene expression regulation | 1 | 9 | 1323 | 1673 |
| 925 | Holistic Health | 1 | 9 | 886 | 1080 |
| 925 | Optoelectronic devices | 1 | 9 | 1556 | 1628 |
| 925 | Aquatic animals | 1 | 9 | 348 | 522 |
| 925 | Electroconvulsive therapy | 1 | 9 | 183 | 261 |
| 925 | Sedimentary rocks | 1 | 9 | 907 | 1149 |
| 925 | allied health | 1 | 9 | 504 | 681 |
| 925 | carbonate rocks | 1 | 9 | 281 | 332 |
| 925 | police | 1 | 9 | 613 | 668 |
| 942 | Systems Engineering | 3 | 8 | 2116 | 3288 |
| 942 | Phonetics | 1 | 8 | 543 | 699 |
| 942 | Tissue Engineering | 1 | 8 | 611 | 839 |
| 942 | Regenerative Medicine | 1 | 8 | 307 | 500 |
| 942 | Number Theory | 4 | 8 | 718 | 1218 |
| 942 | Statistical Mechanics | 1 | 8 | 944 | 1045 |
| 942 | Magnetohydrodynamics | 1 | 8 | 348 | 395 |
| 942 | Photochemistry | 1 | 8 | 2327 | 2873 |
| 942 | Laser therapy | 1 | 8 | 740 | 893 |
| 942 | glycoproteins | 1 | 8 | 674 | 967 |
| 942 | Glycoconjugates | 1 | 8 | 674 | 967 |
| 942 | Light | 1 | 8 | 1247 | 1666 |
| 942 | Oligosaccharides | 1 | 8 | 448 | 662 |
| 942 | Hazardous waste | 1 | 8 | 1515 | 2145 |
| 942 | probabilities | 1 | 8 | 1774 | 1738 |
| 942 | energy resources | 1 | 8 | 1901 | 2606 |
| 942 | glycolipids | 1 | 8 | 674 | 967 |
| 942 | Pregnancy | 1 | 8 | 1251 | 1613 |
| 960 | Oceanography | 1 | 7 | 2004 | 2499 |
| 960 | Geriatric Nursing | 2 | 7 | 669 | 1146 |
| 960 | Communication Theory | 3 | 7 | 37 | 155 |
| 960 | Computational Fluid Dynamics | 1 | 7 | 1009 | 1335 |
| 960 | complementary therapies | 3 | 7 | 1636 | 3197 |
| 960 | Biomarkers | 1 | 7 | 730 | 1029 |
| 960 | foreign exchange | 1 | 7 | 599 | 831 |
| 960 | Semigroups | 1 | 7 | 549 | 519 |
| 960 | schools | 1 | 7 | 106 | 134 |
| 960 | Algae | 1 | 7 | 1043 | 1312 |
| 960 | Roads | 1 | 7 | 965 | 1176 |
| 960 | Seaweed | 1 | 7 | 818 | 1152 |
| 960 | Phytotherapy | 1 | 7 | 1218 | 1774 |
| 960 | Feminist psychology | 1 | 7 | 180 | 268 |
| 960 | biochemical markers | 1 | 7 | 1007 | 1393 |
| 960 | academic writing | 2 | 7 | 41 | 45 |
| 960 | Brain damage | 1 | 7 | 630 | 909 |
| 960 | Money | 1 | 7 | 661 | 986 |
| 960 | Menopause | 1 | 7 | 498 | 701 |
| 979 | Law | 3 | 6 | 1227 | 1650 |
| 979 | Environmental Ethics | 1 | 6 | 353 | 440 |
| 979 | Adult Education | 1 | 6 | 1056 | 1298 |
| 979 | Maternal health services | 2 | 6 | 418 | 933 |
| 979 | Multivariate Analysis | 1 | 6 | 871 | 1093 |
| 979 | Democratization | 1 | 6 | 299 | 471 |
| 979 | drug resistance | 1 | 6 | 1145 | 1640 |
| 979 | bioclimatology | 1 | 6 | 1552 | 2106 |
| 979 | Strategic planning | 2 | 6 | 962 | 1725 |
| 979 | Entropy | 1 | 6 | 1891 | 2283 |
| 979 | Community Colleges | 3 | 6 | 175 | 444 |
| 979 | Moon | 1 | 6 | 287 | 354 |
| 979 | residential treatment | 1 | 6 | 299 | 456 |
| 979 | free radicals | 2 | 6 | 1342 | 2176 |
| 979 | sports administration | 1 | 6 | 603 | 898 |
| 979 | immigration | 1 | 6 | 372 | 567 |
| 979 | migration policy | 1 | 6 | 385 | 596 |
| 979 | Asylum seeker | 1 | 6 | 303 | 523 |
| 979 | Imagination | 1 | 6 | 179 | 262 |
| 979 | phototherapy | 3 | 6 | 92 | 271 |
| 999 | Molecular Pharmacology | 1 | 5 | 1100 | 1565 |
| 999 | Physical Geography | 1 | 5 | 859 | 1203 |