| 1 | Neurology | 705 | 43.6K | 226 | 211 |
| 2 | Biochemistry | 1,223 | 34.6K | 302 | 430 |
| 3 | Biology | 555 | 31.6K | 505 | 684 |
| 4 | Science | 586 | 30.8K | 508 | 705 |
| 5 | Molecular Biology | 843 | 28.4K | 285 | 465 |
| 6 | Medicine | 752 | 28.2K | 423 | 519 |
| 7 | transport vesicles | 27 | 27.1K | 15 | 3 |
| 8 | Research | 779 | 24.9K | 292 | 340 |
| 9 | Cytology | 455 | 22.2K | 199 | 320 |
| 10 | Pharmacology | 578 | 19.1K | 197 | 212 |
| 11 | Cell Biology | 304 | 18.3K | 265 | 372 |
| 12 | Brain | 316 | 17.2K | 117 | 103 |
| 13 | Neurochemistry | 331 | 16.5K | 68 | 70 |
| 14 | Physics | 112 | 16.1K | 2012 | 1173 |
| 15 | Biophysics | 640 | 14.7K | 195 | 310 |
| 16 | Chemistry | 561 | 13.9K | 706 | 1035 |
| 17 | Pharmaceutical Chemistry | 286 | 11.5K | 161 | 169 |
| 18 | Neurophysiology | 177 | 11.5K | 255 | 238 |
| 19 | Psychiatry | 215 | 10.7K | 340 | 336 |
| 20 | Natural history | 28 | 10.5K | 1195 | 848 |
| 21 | Immunology | 222 | 10.0K | 283 | 353 |
| 22 | Endocrinology | 193 | 9.3K | 246 | 300 |
| 23 | Physiology | 291 | 7.8K | 252 | 360 |
| 24 | Mental Disorders | 94 | 7.0K | 358 | 271 |
| 25 | Cancer | 171 | 6.6K | 347 | 453 |
| 26 | Virology | 40 | 6.0K | 845 | 591 |
| 27 | Aging | 163 | 6.0K | 212 | 200 |
| 28 | Pathology | 144 | 5.9K | 183 | 230 |
| 29 | Cardiovascular system | 83 | 5.8K | 213 | 239 |
| 30 | Metabolism | 109 | 5.6K | 361 | 374 |
| 31 | Human genetics | 40 | 5.3K | 599 | 745 |
| 32 | Medical genetics | 106 | 5.2K | 404 | 464 |
| 33 | Hypertension | 59 | 5.2K | 291 | 240 |
| 34 | Oncology | 38 | 5.2K | 520 | 410 |
| 35 | Immunity | 52 | 4.6K | 401 | 432 |
| 36 | Diabetes | 88 | 4.5K | 288 | 301 |
| 37 | free radicals | 67 | 4.4K | 110 | 118 |
| 38 | Neuropsychology | 127 | 4.4K | 192 | 205 |
| 39 | Psychophysiology | 106 | 4.4K | 394 | 420 |
| 40 | Microbiology | 125 | 4.3K | 1022 | 1230 |
| 41 | Hematology | 85 | 4.2K | 584 | 494 |
| 42 | Metabolic diseases | 94 | 4.1K | 307 | 414 |
| 43 | Diabetes mellitus | 80 | 4.0K | 277 | 300 |
| 44 | Nervous system | 102 | 3.9K | 271 | 340 |
| 45 | Signal Transduction | 59 | 3.5K | 133 | 137 |
| 46 | Antioxidants | 33 | 3.3K | 67 | 46 |
| 47 | Developmental Biology | 42 | 3.3K | 458 | 383 |
| 48 | Immune system | 17 | 3.3K | 376 | 267 |
| 49 | Oxidation-reduction | 37 | 3.2K | 87 | 75 |
| 50 | Neurobiology | 72 | 3.1K | 254 | 351 |
| 51 | Nutrition | 72 | 2.9K | 746 | 673 |
| 52 | Clinical Chemistry | 89 | 2.9K | 369 | 418 |
| 53 | older people | 126 | 2.8K | 130 | 90 |
| 54 | Reproduction | 91 | 2.8K | 287 | 293 |
| 55 | Mental illness | 59 | 2.7K | 320 | 382 |
| 56 | Public Health | 121 | 2.6K | 647 | 897 |
| 57 | Ophthalmology | 104 | 2.6K | 196 | 272 |
| 58 | Toxicology | 87 | 2.6K | 776 | 851 |
| 59 | Histology | 103 | 2.5K | 127 | 258 |
| 60 | Psychopharmacology | 48 | 2.4K | 283 | 313 |
| 61 | Nanotechnology | 35 | 2.3K | 1706 | 1259 |
| 62 | Embryology | 77 | 2.3K | 199 | 344 |
| 63 | drugs | 90 | 2.2K | 173 | 223 |
| 64 | Allergy | 45 | 2.2K | 219 | 372 |
| 65 | Pharmacy | 76 | 2.2K | 231 | 263 |
| 66 | Inflammation | 98 | 2.1K | 11 | 95 |
| 67 | Immunochemistry | 47 | 2.1K | 81 | 42 |
| 68 | Immunotherapy | 30 | 2.1K | 499 | 387 |
| 69 | Obesity | 41 | 2.1K | 436 | 379 |
| 70 | Anatomy | 97 | 2.0K | 194 | 344 |
| 71 | Genetics | 31 | 2.0K | 1230 | 1129 |
| 72 | Hormones | 88 | 2.0K | 75 | 205 |
| 73 | Therapeutics | 33 | 2.0K | 418 | 326 |
| 74 | Radiobiology | 22 | 2.0K | 534 | 279 |
| 75 | Sleep Disorders | 52 | 1.9K | 259 | 233 |
| 76 | Sleep | 52 | 1.9K | 258 | 240 |
| 77 | Medical Oncology | 53 | 1.9K | 349 | 390 |
| 78 | Biotechnology | 58 | 1.9K | 1420 | 1722 |
| 79 | Pharmaceutical Technology | 80 | 1.8K | 80 | 165 |
| 80 | Neurons | 21 | 1.8K | 208 | 379 |
| 81 | Behavior | 51 | 1.8K | 659 | 798 |
| 82 | Synaptic Transmission | 46 | 1.7K | 25 | 26 |
| 83 | Geriatrics | 21 | 1.7K | 1108 | 510 |
| 84 | Europe | 97 | 1.7K | 340 | 424 |
| 85 | Psychology | 83 | 1.7K | 774 | 942 |
| 86 | Obstetrics | 82 | 1.7K | 352 | 432 |
| 87 | Cell differentiation | 36 | 1.7K | 416 | 553 |
| 88 | Health | 33 | 1.7K | 486 | 334 |
| 89 | Respiration | 41 | 1.7K | 308 | 274 |
| 90 | Pharmacokinetics | 59 | 1.7K | 36 | 71 |
| 91 | Epidemiology | 88 | 1.7K | 513 | 760 |
| 92 | Leukemia | 37 | 1.7K | 256 | 306 |
| 93 | Memory | 55 | 1.6K | 326 | 385 |
| 94 | Attention | 59 | 1.6K | 283 | 306 |
| 95 | Genomics | 37 | 1.6K | 842 | 716 |
| 96 | Psychosomatic Medicine | 26 | 1.6K | 179 | 135 |
| 97 | Chromatographic analysis | 99 | 1.6K | 101 | 163 |
| 98 | human behavior | 38 | 1.5K | 550 | 702 |
| 99 | Biocompatible Materials | 28 | 1.5K | 1384 | 1284 |
| 100 | Transplantation | 31 | 1.5K | 304 | 316 |
| 101 | Immunopathology | 46 | 1.5K | 226 | 253 |
| 102 | Analytical Chemistry | 46 | 1.5K | 1329 | 1193 |
| 103 | Visual Perception | 53 | 1.5K | 296 | 326 |
| 103 | Perception | 53 | 1.5K | 362 | 383 |
| 105 | Membranes | 46 | 1.5K | 335 | 456 |
| 106 | Orthopedics | 17 | 1.5K | 662 | 291 |
| 106 | Drug delivery systems | 25 | 1.5K | 392 | 306 |
| 108 | gene therapy | 15 | 1.5K | 425 | 228 |
| 109 | Surgery | 17 | 1.4K | 764 | 686 |
| 110 | drug therapy | 54 | 1.4K | 459 | 527 |
| 111 | Oxidative stress | 34 | 1.4K | 69 | 150 |
| 112 | Radiation | 7 | 1.4K | 1557 | 283 |
| 113 | Electrophoresis | 65 | 1.3K | 145 | 222 |
| 114 | Chromatography | 75 | 1.3K | 114 | 169 |
| 115 | Asthma | 22 | 1.3K | 126 | 41 |
| 116 | Bioenergetics | 28 | 1.3K | 139 | 144 |
| 117 | Morphology | 42 | 1.3K | 70 | 73 |
| 118 | Energy metabolism | 27 | 1.3K | 120 | 133 |
| 118 | Liver diseases | 32 | 1.3K | 405 | 579 |
| 120 | Cell metabolism | 39 | 1.2K | 53 | 348 |
| 121 | proteins | 44 | 1.2K | 415 | 497 |
| 122 | Computational Biology | 27 | 1.2K | 733 | 710 |
| 123 | Clinical Immunology | 51 | 1.2K | 161 | 206 |
| 124 | Pediatrics | 48 | 1.2K | 511 | 758 |
| 125 | Gerontology | 15 | 1.2K | 841 | 306 |
| 126 | Proteome | 23 | 1.2K | 327 | 322 |
| 127 | Bioengineering | 20 | 1.1K | 1809 | 1622 |
| 128 | cell physiology | 12 | 1.1K | 747 | 537 |
| 129 | Allergies | 14 | 1.1K | 18 | 12 |
| 130 | arthritis | 24 | 1.1K | 385 | 444 |
| 131 | Animal Behavior | 19 | 1.1K | 687 | 595 |
| 132 | cytokines | 13 | 1.1K | 509 | 218 |
| 133 | Rheumatology | 21 | 1.1K | 365 | 355 |
| 134 | Steroids | 61 | 1.1K | 90 | 177 |
| 135 | Parenteral nutrition | 6 | 1.1K | 725 | 286 |
| 136 | Enteral nutrition | 5 | 1.1K | 660 | 218 |
| 137 | cell interaction | 35 | 1.1K | 120 | 191 |
| 138 | Thrombosis | 33 | 1.0K | 242 | 295 |
| 139 | nanoscience | 9 | 1.0K | 1851 | 1076 |
| 140 | Biochemical Engineering | 9 | 1.0K | 2130 | 1610 |
| 141 | genome | 14 | 991 | 676 | 671 |
| 142 | Diagnostic Imaging | 48 | 987 | 361 | 531 |
| 143 | cell membrane | 15 | 981 | 214 | 155 |
| 144 | Medical Microbiology | 33 | 975 | 645 | 875 |
| 145 | Neuropsychiatry | 27 | 960 | 182 | 174 |
| 146 | Cardiovascular diseases | 36 | 955 | 396 | 415 |
| 147 | Chemotherapy | 24 | 938 | 427 | 322 |
| 148 | Oral Medicine | 45 | 934 | 43 | 21 |
| 149 | Metastasis | 21 | 925 | 12 | 54 |
| 149 | Materials | 11 | 925 | 3589 | 2286 |
| 151 | Eating Disorders | 19 | 915 | 284 | 196 |
| 151 | Feeding and Eating Disorders | 19 | 915 | 266 | 185 |
| 153 | Autoimmunity | 21 | 903 | 190 | 213 |
| 154 | Immunopharmacology | 12 | 880 | 470 | 184 |
| 155 | United Kingdom | 28 | 879 | 415 | 510 |
| 156 | histological techniques | 16 | 873 | 215 | 194 |
| 157 | Homeostasis | 10 | 869 | 198 | 428 |
| 158 | Bioinformatics | 16 | 858 | 894 | 703 |
| 159 | Medical innovations | 13 | 857 | 390 | 543 |
| 160 | Histochemistry | 36 | 855 | 124 | 187 |
| 161 | nucleic acids | 31 | 853 | 525 | 859 |
| 162 | Bioorganic chemistry | 32 | 851 | 900 | 999 |
| 163 | Cell survival | 19 | 846 | 11 | 20 |
| 163 | molecular chaperones | 19 | 846 | 12 | 20 |
| 165 | Respiratory system | 11 | 834 | 244 | 118 |
| 166 | alcoholism | 24 | 790 | 464 | 454 |
| 167 | Diagnostic microbiology | 13 | 782 | 562 | 629 |
| 168 | Stem cells | 30 | 775 | 421 | 593 |
| 169 | Drug design | 25 | 769 | 347 | 409 |
| 170 | Hippocampus | 5 | 766 | 216 | 104 |
| 171 | Psychoneuroimmunology | 11 | 765 | 249 | 208 |
| 171 | Neuroimmunology | 11 | 765 | 292 | 233 |
| 173 | enzymes | 19 | 744 | 503 | 476 |
| 174 | Critical Care | 18 | 742 | 585 | 779 |
| 174 | Critical Care Medicine | 18 | 742 | 584 | 777 |
| 176 | Biopharmaceutics | 21 | 726 | 292 | 310 |
| 177 | rare diseases | 32 | 722 | 76 | 143 |
| 178 | Muscles | 9 | 721 | 470 | 284 |
| 179 | Public Policy | 33 | 720 | 383 | 469 |
| 180 | Child psychology | 8 | 718 | 859 | 590 |
| 180 | Vision | 11 | 718 | 316 | 225 |
| 182 | Oncogenes | 10 | 712 | 668 | 681 |
| 183 | Organic Chemistry | 36 | 705 | 1031 | 1221 |
| 184 | Ethology | 13 | 699 | 694 | 682 |
| 184 | vitamin C | 10 | 699 | 116 | 70 |
| 184 | vitamin E | 10 | 699 | 116 | 70 |
| 187 | Materials Science | 6 | 698 | 3547 | 1982 |
| 188 | Diet | 18 | 695 | 793 | 908 |
| 189 | drug addiction | 18 | 692 | 416 | 412 |
| 190 | Neuroendocrinology | 6 | 688 | 53 | 58 |
| 191 | Schizophrenia | 31 | 686 | 271 | 436 |
| 192 | Neuropharmacology | 15 | 683 | 183 | 128 |
| 193 | Sports Medicine | 34 | 680 | 645 | 749 |
| 194 | Sociology | 13 | 675 | 1356 | 857 |
| 194 | health planning | 26 | 675 | 577 | 479 |
| 196 | Parasitic Diseases | 24 | 674 | 585 | 655 |
| 197 | Sports | 28 | 671 | 595 | 608 |
| 198 | Pharmacognosy | 16 | 667 | 712 | 642 |
| 199 | behavioral medicine | 22 | 661 | 365 | 500 |
| 199 | infection | 23 | 661 | 531 | 643 |
| 201 | Heart Failure | 12 | 656 | 175 | 170 |
| 201 | Bone diseases | 5 | 656 | 341 | 200 |
| 203 | Child | 42 | 648 | 523 | 740 |
| 204 | Polymers | 20 | 647 | 2119 | 1817 |
| 205 | Spectrum analysis | 26 | 646 | 1737 | 1744 |
| 206 | medical education | 31 | 637 | 431 | 463 |
| 207 | Optical materials | 1 | 634 | 3462 | 1188 |
| 208 | Quality of life | 25 | 626 | 340 | 495 |
| 209 | Primary health care | 22 | 625 | 515 | 446 |
| 210 | Infections | 19 | 624 | 362 | 516 |
| 211 | Proteomics | 13 | 621 | 467 | 429 |
| 212 | Cell death | 12 | 618 | 664 | 711 |
| 213 | Medical Physics | 3 | 609 | 1898 | 723 |
| 214 | Hemostasis | 27 | 600 | 162 | 190 |
| 215 | biochemical markers | 11 | 593 | 213 | 55 |
| 216 | drug evaluation | 27 | 587 | 272 | 340 |
| 217 | Health Education | 29 | 574 | 487 | 539 |
| 218 | Meteorology | 4 | 570 | 1985 | 1099 |
| 219 | Dermatology | 28 | 566 | 546 | 659 |
| 220 | Health Policy | 33 | 562 | 535 | 769 |
| 221 | Nanostructures | 5 | 542 | 1639 | 900 |
| 222 | Colloids | 13 | 539 | 2058 | 1843 |
| 223 | drug development | 12 | 537 | 424 | 663 |
| 224 | Clinical Biochemistry | 20 | 536 | 367 | 415 |
| 225 | Flow cytometry | 21 | 527 | 51 | 95 |
| 226 | Medical Technology | 17 | 526 | 541 | 523 |
| 227 | Statistical physics | 6 | 525 | 2428 | 1366 |
| 228 | Hemodynamics | 7 | 524 | 406 | 337 |
| 229 | rehabilitation | 26 | 515 | 628 | 882 |
| 230 | vascular diseases | 13 | 513 | 283 | 334 |
| 231 | Systems Biology | 17 | 510 | 583 | 547 |
| 232 | risk factors | 13 | 509 | 289 | 253 |
| 233 | Ecology | 8 | 508 | 4264 | 3596 |
| 234 | Kidney diseases | 18 | 504 | 312 | 339 |
| 235 | natural products | 27 | 503 | 432 | 541 |
| 235 | Genetic therapy | 14 | 503 | 487 | 559 |
| 237 | Lipids | 16 | 502 | 466 | 621 |
| 238 | Medical Anthropology | 5 | 494 | 955 | 608 |
| 239 | Fluid Mechanics | 7 | 492 | 1064 | 541 |
| 239 | supercritical fluids | 7 | 492 | 213 | 120 |
| 241 | Biomedical Engineering | 33 | 489 | 1607 | 2401 |
| 242 | Alternative Medicine | 12 | 482 | 617 | 431 |
| 242 | complementary therapies | 13 | 482 | 617 | 440 |
| 244 | Molecular structure | 39 | 477 | 456 | 953 |
| 245 | Digestive system diseases | 27 | 476 | 248 | 352 |
| 246 | Environment | 11 | 462 | 2898 | 3334 |
| 247 | Photochemistry | 13 | 458 | 751 | 635 |
| 248 | Substance Abuse | 19 | 455 | 515 | 547 |
| 249 | Endocrine glands | 6 | 450 | 156 | 188 |
| 250 | Nonlinear Dynamics | 3 | 449 | 1858 | 858 |
| 251 | Pancreatic diseases | 58 | 438 | 15 | 98 |
| 252 | Genetic engineering | 11 | 437 | 1190 | 1194 |
| 253 | Pediatric Neurology | 11 | 434 | 496 | 754 |
| 254 | Nitric oxide | 7 | 433 | 83 | 46 |
| 255 | Microscopy | 16 | 429 | 458 | 434 |
| 256 | Molecular Pharmacology | 9 | 426 | 406 | 401 |
| 256 | Autoantibodies | 10 | 426 | 249 | 247 |
| 256 | Autoimmune diseases | 10 | 426 | 280 | 281 |
| 259 | Light | 12 | 420 | 427 | 679 |
| 260 | Antibacterial agents | 10 | 412 | 310 | 277 |
| 260 | Cognitive neuroscience | 6 | 412 | 684 | 565 |
| 262 | Lung Transplantation | 14 | 411 | 186 | 213 |
| 262 | Heart transplantation | 14 | 411 | 186 | 213 |
| 264 | Electrophysiology | 35 | 404 | 208 | 366 |
| 265 | Bones | 8 | 402 | 459 | 462 |
| 266 | Surface Chemistry | 10 | 401 | 2345 | 2004 |
| 267 | Cell communication | 11 | 400 | 170 | 264 |
| 268 | Infertility | 16 | 399 | 381 | 574 |
| 268 | fertility | 16 | 399 | 410 | 605 |
| 270 | Social Psychology | 6 | 395 | 1494 | 1015 |
| 271 | Bipolar Disorder | 2 | 392 | 447 | 191 |
| 272 | Orthopedic Surgery | 4 | 387 | 769 | 313 |
| 273 | Antigens | 10 | 386 | 460 | 380 |
| 274 | United States | 16 | 381 | 2331 | 2196 |
| 275 | Immunogenetics | 12 | 373 | 283 | 274 |
| 276 | Physical organic chemistry | 10 | 371 | 793 | 559 |
| 276 | Mass Spectrometry | 17 | 371 | 465 | 539 |
| 278 | Physical Chemistry | 24 | 368 | 766 | 1146 |
| 278 | Sarcopenia | 1 | 368 | 779 | 227 |
| 280 | pain | 16 | 365 | 536 | 735 |
| 281 | Graph Theory | 2 | 364 | 861 | 143 |
| 282 | Genetic regulation | 8 | 358 | 681 | 762 |
| 283 | Teratology | 10 | 357 | 114 | 131 |
| 284 | preventive medicine | 6 | 353 | 853 | 644 |
| 284 | Neuromuscular diseases | 8 | 353 | 353 | 297 |
| 286 | Pharmacogenetics | 11 | 349 | 457 | 535 |
| 287 | Food | 10 | 345 | 1787 | 1726 |
| 288 | abnormalities | 9 | 344 | 56 | 74 |
| 289 | Smoking | 10 | 341 | 385 | 411 |
| 290 | Women's health | 11 | 337 | 569 | 477 |
| 291 | Neuroanatomy | 12 | 336 | 24 | 60 |
| 292 | Health Services Research | 11 | 333 | 828 | 727 |
| 293 | software | 11 | 330 | 448 | 524 |
| 294 | Genetic markers | 5 | 329 | 147 | 33 |
| 295 | cloning | 7 | 321 | 424 | 545 |
| 296 | Audiology | 8 | 314 | 457 | 362 |
| 296 | Medicinal plants | 5 | 314 | 1068 | 809 |
| 298 | Sexual health | 9 | 309 | 372 | 292 |
| 299 | Nephrology | 9 | 308 | 296 | 379 |
| 299 | calcification | 16 | 308 | 158 | 281 |
| 301 | Calorimetry | 17 | 307 | 318 | 344 |
| 301 | Thermal analysis | 17 | 307 | 318 | 344 |
| 303 | Developmental Neurobiology | 16 | 303 | 117 | 174 |
| 304 | Exercise | 11 | 301 | 645 | 567 |
| 305 | Personality Disorders | 8 | 300 | 122 | 133 |
| 306 | Host-parasite interactions | 4 | 299 | 1135 | 1102 |
| 307 | Chemical Engineering | 10 | 298 | 2894 | 2888 |
| 308 | Liposomes | 5 | 294 | 385 | 262 |
| 309 | cell adhesion molecules | 4 | 292 | 126 | 121 |
| 310 | Vaccines | 20 | 290 | 692 | 1102 |
| 311 | Environmental monitoring | 7 | 284 | 2811 | 2669 |
| 312 | Lipid metabolism | 6 | 283 | 246 | 245 |
| 312 | Lipid | 6 | 283 | 246 | 247 |
| 314 | drug abuse | 10 | 282 | 300 | 275 |
| 314 | Pollution | 6 | 282 | 4102 | 3814 |
| 316 | Medical Laboratory Science | 12 | 272 | 1126 | 1577 |
| 316 | Child Development | 15 | 272 | 821 | 1155 |
| 318 | Health Services Administration | 10 | 269 | 489 | 513 |
| 319 | biological factors | 16 | 267 | 758 | 1066 |
| 320 | protein | 13 | 266 | 559 | 727 |
| 321 | Clinical Pharmacology | 20 | 262 | 474 | 796 |
| 321 | Chromosomes | 11 | 262 | 473 | 636 |
| 323 | peptides | 20 | 260 | 130 | 256 |
| 324 | Chronobiology | 5 | 259 | 315 | 181 |
| 324 | biological clocks | 5 | 259 | 315 | 181 |
| 324 | circadian rhythm | 5 | 259 | 315 | 181 |
| 324 | biological rhythms | 5 | 259 | 298 | 179 |
| 328 | Chromosome mapping | 10 | 258 | 1033 | 1310 |
| 328 | gene mapping | 10 | 258 | 1134 | 1530 |
| 330 | amino acids | 13 | 256 | 131 | 289 |
| 331 | Circadian rhythms | 4 | 255 | 269 | 167 |
| 332 | Parasitology | 20 | 253 | 858 | 1255 |
| 333 | Urology | 13 | 250 | 930 | 1183 |
| 334 | Botany | 10 | 247 | 2348 | 2575 |
| 335 | Neurotoxicology | 3 | 239 | 581 | 338 |
| 336 | Gene expression regulation | 4 | 237 | 874 | 696 |
| 337 | Bacterial infections | 7 | 236 | 491 | 764 |
| 338 | environmental pollution | 4 | 230 | 3969 | 3356 |
| 339 | personality | 13 | 226 | 656 | 984 |
| 340 | Cognition | 8 | 225 | 1051 | 1071 |
| 341 | Microcirculation | 14 | 224 | 142 | 261 |
| 342 | Developmental Immunology | 11 | 219 | 215 | 415 |
| 343 | Pituitary gland | 5 | 217 | 154 | 115 |
| 344 | Gastrointestinal diseases | 10 | 216 | 260 | 269 |
| 345 | Environmental Health | 13 | 213 | 2875 | 4036 |
| 346 | Bacteriology | 6 | 211 | 1411 | 1594 |
| 347 | Heterocyclic chemistry | 6 | 210 | 293 | 85 |
| 348 | Nursing | 6 | 209 | 1341 | 804 |
| 349 | Mental Health | 18 | 207 | 570 | 879 |
| 349 | Recombinant DNA | 9 | 207 | 918 | 1035 |
| 351 | Radiology | 12 | 205 | 739 | 774 |
| 352 | Biomarkers | 5 | 204 | 279 | 149 |
| 352 | Extracellular matrix | 5 | 204 | 173 | 241 |
| 352 | carcinogens | 8 | 204 | 557 | 795 |
| 352 | collagen | 5 | 204 | 181 | 250 |
| 356 | Biomass Energy | 1 | 203 | 3470 | 1982 |
| 357 | Carcinogenesis | 8 | 201 | 589 | 806 |
| 357 | Virulence | 3 | 201 | 1177 | 1207 |
| 359 | Antibodies | 7 | 199 | 413 | 456 |
| 360 | mutagens | 7 | 197 | 538 | 752 |
| 361 | Medical Ethics | 13 | 195 | 453 | 487 |
| 361 | Growth | 7 | 195 | 731 | 1112 |
| 363 | prostaglandins | 14 | 194 | 172 | 283 |
| 364 | Cardiovascular Pharmacology | 10 | 192 | 77 | 132 |
| 364 | Pediatric Rheumatology | 9 | 192 | 97 | 83 |
| 364 | Liquid chromatography | 28 | 192 | 38 | 128 |
| 367 | Clinical Psychology | 8 | 188 | 707 | 927 |
| 368 | Hematopoietic stem cell transplantation | 11 | 186 | 138 | 378 |
| 368 | Reproductive toxicology | 8 | 186 | 205 | 319 |
| 368 | DNA methylation | 2 | 186 | 379 | 244 |
| 371 | drug resistance | 10 | 184 | 268 | 530 |
| 371 | Cerebral cortex | 9 | 184 | 526 | 762 |
| 373 | disease outbreaks | 9 | 177 | 258 | 446 |
| 373 | Epidemics | 9 | 177 | 246 | 441 |
| 375 | Neurosurgery | 8 | 173 | 633 | 797 |
| 375 | Astrocytes | 6 | 173 | 311 | 507 |
| 377 | Photonics | 6 | 172 | 1508 | 1547 |
| 378 | Nuclear Medicine | 6 | 170 | 793 | 759 |
| 378 | Molecular Imaging | 6 | 170 | 511 | 622 |
| 380 | Medical Imaging | 12 | 167 | 146 | 234 |
| 380 | Magnetic Resonance Imaging | 12 | 167 | 186 | 321 |
| 382 | epilepsy | 7 | 166 | 595 | 623 |
| 382 | Anti-inflammatory agents | 14 | 166 | 38 | 128 |
| 384 | Data Mining | 9 | 165 | 878 | 1307 |
| 384 | Animal genetics | 2 | 165 | 751 | 395 |
| 386 | animals | 9 | 164 | 691 | 648 |
| 386 | data collection | 8 | 164 | 613 | 927 |
| 386 | biopolymers | 5 | 164 | 966 | 910 |
| 389 | Jurisprudence | 8 | 163 | 525 | 475 |
| 390 | Taste | 4 | 161 | 208 | 147 |
| 390 | flavor | 4 | 161 | 111 | 84 |
| 390 | smell | 4 | 161 | 208 | 147 |
| 393 | Systems Analysis | 5 | 159 | 857 | 661 |
| 393 | anesthesia | 6 | 159 | 369 | 181 |
| 393 | Longevity | 5 | 159 | 98 | 128 |
| 393 | polymerization | 11 | 159 | 2344 | 2702 |
| 393 | rejuvenation | 5 | 159 | 65 | 109 |
| 398 | System analysis | 4 | 158 | 2093 | 1550 |
| 399 | health workforce | 7 | 157 | 80 | 174 |
| 400 | plant oils | 8 | 156 | 100 | 99 |
| 401 | cardiac catheterization | 9 | 154 | 459 | 486 |
| 401 | harm reduction | 3 | 154 | 214 | 118 |
| 403 | Cytogenetics | 8 | 153 | 939 | 1516 |
| 404 | Organ transplantation | 11 | 152 | 155 | 169 |
| 405 | isomerism | 13 | 151 | 67 | 141 |
| 405 | Alzheimer's disease | 11 | 151 | 834 | 946 |
| 405 | Chirality | 13 | 151 | 67 | 141 |
| 408 | Echocardiography | 6 | 148 | 33 | 52 |
| 409 | Green Chemistry | 3 | 147 | 1766 | 1736 |
| 409 | Community Psychiatry | 7 | 147 | 602 | 833 |
| 409 | Cell cycle | 3 | 147 | 330 | 219 |
| 409 | cell proliferation | 3 | 147 | 374 | 236 |
| 413 | Environmental Management | 2 | 146 | 3538 | 2769 |
| 414 | Molecular cloning | 5 | 144 | 1231 | 1187 |
| 415 | Research Design | 10 | 143 | 590 | 994 |
| 415 | Evidence-Based Medicine | 2 | 143 | 1001 | 480 |
| 415 | Physical fitness | 6 | 143 | 687 | 760 |
| 418 | Artificial Organs | 6 | 142 | 462 | 386 |
| 419 | Climatology | 5 | 141 | 1405 | 1476 |
| 419 | Agricultural Chemistry | 6 | 141 | 1763 | 1958 |
| 419 | bioclimatology | 5 | 141 | 670 | 662 |
| 419 | Climate | 5 | 141 | 403 | 487 |
| 419 | weather | 5 | 141 | 393 | 426 |
| 424 | Geriatric Oncology | 5 | 140 | 455 | 555 |
| 425 | Adolescent | 15 | 139 | 857 | 1482 |
| 426 | Soft Condensed Matter | 3 | 138 | 1108 | 880 |
| 426 | RNA | 3 | 138 | 550 | 526 |
| 428 | Screening | 6 | 137 | 86 | 107 |
| 429 | Developmental Disabilities | 7 | 136 | 617 | 917 |
| 429 | Learning | 2 | 136 | 1454 | 1016 |
| 431 | mutation | 2 | 134 | 821 | 648 |
| 431 | Chemical analysis | 3 | 134 | 1257 | 983 |
| 431 | health services | 2 | 134 | 1427 | 776 |
| 434 | Genetic recombination | 4 | 130 | 1356 | 1239 |
| 434 | Molecular Spectroscopy | 5 | 130 | 1455 | 1333 |
| 434 | feeding behavior | 1 | 130 | 1205 | 695 |
| 434 | viruses | 6 | 130 | 1089 | 1592 |
| 434 | Appetite | 1 | 130 | 1069 | 627 |
| 439 | DNA | 7 | 128 | 325 | 432 |
| 440 | Emergency Medicine | 13 | 127 | 647 | 947 |
| 441 | Public Health Administration | 1 | 124 | 568 | 171 |
| 441 | scientific societies | 9 | 124 | 355 | 609 |
| 441 | Pregnancy | 7 | 124 | 541 | 651 |
| 444 | Magnetic Resonance Spectroscopy | 7 | 123 | 796 | 826 |
| 444 | pharmaceutical industry | 14 | 123 | 148 | 371 |
| 446 | Surface-Active Agents | 3 | 122 | 1207 | 1163 |
| 446 | Surface properties | 3 | 122 | 1291 | 1268 |
| 446 | antibiotics | 8 | 122 | 88 | 167 |
| 449 | Peptide | 7 | 121 | 115 | 137 |
| 449 | child abuse | 1 | 121 | 1339 | 763 |
| 451 | Geophysics | 6 | 120 | 2728 | 2962 |
| 452 | Bioethics | 7 | 119 | 552 | 541 |
| 452 | behavior therapy | 3 | 119 | 805 | 701 |
| 454 | Informatics | 5 | 118 | 684 | 752 |
| 455 | Emergency Medical Services | 7 | 117 | 391 | 450 |
| 455 | Genetic disorders | 8 | 117 | 257 | 437 |
| 455 | Menopause | 8 | 117 | 137 | 218 |
| 458 | Comparative Physiology | 1 | 115 | 1174 | 701 |
| 458 | Respiratory Infections | 8 | 115 | 200 | 303 |
| 458 | synthesis | 6 | 115 | 735 | 564 |
| 461 | Genetic testing | 3 | 113 | 347 | 144 |
| 462 | actuators | 4 | 112 | 2020 | 2186 |
| 462 | transducers | 4 | 112 | 2020 | 2186 |
| 464 | Engineering | 10 | 110 | 2693 | 3365 |
| 464 | Molecular recognition | 8 | 110 | 53 | 162 |
| 466 | Blood vessels | 9 | 109 | 155 | 339 |
| 467 | Technology | 8 | 108 | 2667 | 3419 |
| 467 | Body Image | 3 | 108 | 215 | 255 |
| 469 | Developmental Psychology | 3 | 107 | 994 | 930 |
| 470 | Neurovirology | 2 | 106 | 323 | 230 |
| 471 | Histocompatibility Testing | 11 | 104 | 174 | 455 |
| 472 | Plant physiology | 5 | 103 | 1683 | 2152 |
| 473 | DNS | 7 | 102 | 260 | 521 |
| 473 | X-rays | 4 | 102 | 565 | 429 |
| 475 | management | 2 | 101 | 3825 | 2895 |
| 476 | Artificial Intelligence | 3 | 100 | 3632 | 3142 |
| 476 | Randomized Controlled Trials | 5 | 100 | 900 | 824 |
| 476 | planning | 1 | 100 | 1365 | 508 |
| 479 | Psychiatric Epidemiology | 4 | 99 | 424 | 606 |
| 479 | Post-traumatic stress disorder | 4 | 99 | 644 | 768 |
| 479 | sexual behavior | 3 | 99 | 652 | 630 |
| 482 | mycoses | 1 | 98 | 1424 | 1125 |
| 482 | psychopathology | 3 | 98 | 327 | 351 |
| 482 | Genes | 6 | 98 | 810 | 1111 |
| 485 | Raman spectroscopy | 3 | 97 | 817 | 694 |
| 485 | Infrared spectroscopy | 3 | 97 | 296 | 237 |
| 487 | Neonatology | 6 | 95 | 394 | 576 |
| 487 | Mitochondria | 4 | 95 | 194 | 320 |
| 489 | Molecular Microbiology | 1 | 94 | 1396 | 1179 |
| 489 | Palliative Care | 4 | 94 | 783 | 701 |
| 489 | Contraception | 6 | 94 | 414 | 630 |
| 492 | Social Sciences | 6 | 92 | 2491 | 2440 |
| 493 | Immunohistochemistry | 3 | 91 | 190 | 117 |
| 494 | Neurogenetics | 3 | 90 | 292 | 320 |
| 494 | psychotherapy | 6 | 90 | 923 | 1217 |
| 496 | Pediatric Hematology | 5 | 89 | 304 | 213 |
| 496 | Tropical Medicine | 9 | 89 | 1047 | 1607 |
| 496 | brain mapping | 2 | 89 | 795 | 822 |
| 499 | Mathematical Physics | 5 | 88 | 2227 | 1994 |
| 500 | Microbial Ecology | 2 | 87 | 2700 | 2884 |
| 500 | pain management | 3 | 87 | 655 | 615 |
| 502 | Bacteria | 4 | 86 | 284 | 523 |
| 503 | Analytical Biochemistry | 8 | 85 | 1121 | 1809 |
| 504 | Cardiac electrophysiology | 5 | 84 | 187 | 339 |
| 504 | Hypertension in pregnancy | 4 | 84 | 153 | 111 |
| 504 | arrhythmia | 5 | 84 | 187 | 339 |
| 507 | Dentistry | 13 | 83 | 286 | 495 |
| 507 | Cybernetics | 2 | 83 | 1963 | 1639 |
| 509 | Structuralism | 5 | 82 | 91 | 240 |
| 509 | Genetic Toxicology | 4 | 82 | 393 | 689 |
| 509 | Social Networks | 5 | 82 | 168 | 320 |
| 509 | counseling | 7 | 82 | 850 | 1204 |
| 509 | Social behavior | 5 | 82 | 865 | 1183 |
| 509 | Influenza | 7 | 82 | 132 | 298 |
| 515 | Pharmacogenomics | 3 | 81 | 312 | 398 |
| 515 | Hallucinogens | 4 | 81 | 144 | 201 |
| 515 | Biodiversity | 8 | 81 | 1338 | 2321 |
| 518 | preimplantation genetic diagnosis | 5 | 80 | 357 | 458 |
| 518 | embryo transfer | 5 | 80 | 375 | 474 |
| 520 | Parasites | 12 | 79 | 765 | 1537 |
| 520 | biological agents | 9 | 79 | 301 | 170 |
| 520 | miniaturization | 2 | 79 | 2261 | 2228 |
| 523 | Molecular Genetics | 6 | 78 | 1306 | 2260 |
| 523 | nursing ethics | 2 | 78 | 285 | 256 |
| 523 | nuclear magnetic resonance spectroscopy | 5 | 78 | 578 | 618 |
| 523 | Human physiology | 1 | 78 | 184 | 54 |
| 523 | NMR | 5 | 78 | 363 | 382 |
| 523 | magnetic resonance | 5 | 78 | 377 | 406 |
| 529 | Zoology | 6 | 76 | 1888 | 2157 |
| 530 | Plastics | 3 | 75 | 1782 | 1597 |
| 530 | Cerebrospinal fluid | 3 | 75 | 137 | 171 |
| 532 | food technology | 4 | 74 | 2268 | 2783 |
| 532 | Patient education | 5 | 74 | 450 | 797 |
| 532 | Enzyme inhibitors | 6 | 74 | 197 | 395 |
| 532 | Egypt | 2 | 74 | 808 | 632 |
| 536 | Long-Term Care | 1 | 73 | 989 | 725 |
| 536 | Long-term care facilities | 1 | 73 | 981 | 720 |
| 538 | Andrology | 5 | 72 | 464 | 673 |
| 538 | Chemical kinetics | 8 | 72 | 375 | 473 |
| 538 | Molecular evolution | 6 | 72 | 1042 | 1927 |
| 541 | Animal Nutrition | 1 | 71 | 951 | 565 |
| 541 | Human biology | 4 | 71 | 547 | 590 |
| 543 | General Surgery | 15 | 69 | 239 | 554 |
| 543 | Diagnosis | 3 | 69 | 443 | 409 |
| 545 | Reproductive health | 6 | 67 | 526 | 951 |
| 545 | venom | 7 | 67 | 426 | 864 |
| 545 | Toxins | 7 | 67 | 487 | 957 |
| 548 | Biological Systems | 1 | 66 | 1072 | 710 |
| 548 | Plants | 4 | 66 | 1867 | 2294 |
| 550 | Radioisotopes | 7 | 65 | 776 | 1026 |
| 550 | eye | 2 | 65 | 263 | 480 |
| 550 | plant molecular biology | 3 | 65 | 1529 | 2085 |
| 553 | Plant hormones | 5 | 64 | 201 | 437 |
| 553 | Cell surface receptors | 7 | 64 | 40 | 105 |
| 555 | Lymphoma | 10 | 63 | 181 | 347 |
| 555 | Multiple Myeloma | 10 | 63 | 175 | 334 |
| 557 | Nutrition physiology | 6 | 62 | 483 | 1009 |
| 558 | mammals | 3 | 61 | 1038 | 1078 |
| 558 | Stress | 1 | 61 | 569 | 378 |
| 558 | Multiple sclerosis | 4 | 61 | 530 | 528 |
| 561 | Paleopathology | 3 | 60 | 309 | 257 |
| 561 | ovary | 2 | 60 | 301 | 285 |
| 561 | disease susceptibility | 1 | 60 | 131 | 109 |
| 561 | Thorax | 1 | 60 | 748 | 710 |
| 561 | symptoms | 1 | 60 | 131 | 109 |
| 566 | Microelectronics | 1 | 59 | 2688 | 2107 |
| 567 | Anthropology | 4 | 58 | 1253 | 1351 |
| 567 | Telemedicine | 3 | 58 | 343 | 530 |
| 567 | Condensed Matter | 3 | 58 | 2809 | 2823 |
| 567 | human development | 2 | 58 | 951 | 1034 |
| 567 | Cerebellum | 2 | 58 | 389 | 394 |
| 567 | Cerebellar ataxia | 2 | 58 | 389 | 394 |
| 573 | Drug targeting | 4 | 57 | 237 | 588 |
| 573 | Immunotoxicology | 4 | 57 | 233 | 342 |
| 573 | dietary supplements | 4 | 57 | 736 | 1189 |
| 573 | Cell adhesion | 2 | 57 | 211 | 292 |
| 577 | Brachytherapy | 5 | 56 | 176 | 202 |
| 577 | sports injuries | 3 | 56 | 591 | 608 |
| 579 | drug control | 4 | 53 | 339 | 543 |
| 580 | Socioeconomic Factors | 4 | 52 | 645 | 1113 |
| 580 | Adolescent Psychology | 3 | 52 | 828 | 1024 |
| 582 | health services accessibility | 4 | 51 | 867 | 1177 |
| 582 | Public opinion | 3 | 51 | 418 | 555 |
| 584 | Neuroplasticity | 2 | 50 | 340 | 455 |
| 584 | neuronal plasticity | 2 | 50 | 136 | 278 |
| 586 | Soil Science | 3 | 49 | 1896 | 2312 |
| 586 | Infection control | 5 | 49 | 212 | 588 |
| 586 | Mental Health Services | 2 | 49 | 1601 | 1568 |
| 586 | Emotions | 5 | 49 | 431 | 858 |
| 590 | Environmental Engineering | 1 | 48 | 5525 | 4750 |
| 590 | sanitation | 1 | 48 | 2352 | 2570 |
| 592 | Mobile genetic elements | 1 | 47 | 219 | 181 |
| 592 | glycoproteins | 1 | 47 | 836 | 786 |
| 592 | Glycoconjugates | 1 | 47 | 836 | 786 |
| 592 | Oligosaccharide | 1 | 47 | 594 | 591 |
| 592 | Carbohydrates | 1 | 47 | 808 | 718 |
| 592 | disease vectors | 7 | 47 | 591 | 1362 |
| 592 | Decision making | 4 | 47 | 1305 | 1850 |
| 592 | glycolipids | 1 | 47 | 836 | 786 |
| 600 | Structural design | 5 | 46 | 625 | 1020 |
| 600 | Smart Materials | 5 | 46 | 726 | 1176 |
| 600 | Heterocyclic compounds | 3 | 46 | 1043 | 946 |
| 603 | Ethics | 5 | 45 | 678 | 1006 |
| 603 | nuclear magnetic resonance | 2 | 45 | 1291 | 1172 |
| 603 | Evolution | 5 | 45 | 1447 | 2538 |
| 606 | Biomechanics | 7 | 44 | 856 | 1813 |
| 606 | disabilities | 4 | 44 | 630 | 981 |
| 608 | Bioinorganic chemistry | 2 | 43 | 1630 | 1734 |
| 608 | Fluorescence spectroscopy | 4 | 43 | 219 | 407 |
| 610 | Catalysis | 2 | 42 | 3626 | 3963 |
| 610 | Bereavement | 1 | 42 | 411 | 232 |
| 612 | visualization | 19 | 39 | 526 | 1309 |
| 613 | Environmental Psychology | 2 | 38 | 443 | 689 |
| 613 | Comparative Psychology | 1 | 38 | 253 | 274 |
| 613 | Veterinary Immunology | 2 | 38 | 466 | 574 |
| 613 | Photobiology | 1 | 38 | 2170 | 1894 |
| 617 | Cross-Cultural Studies | 3 | 37 | 771 | 1054 |
| 617 | Electrochemistry | 1 | 37 | 4900 | 4047 |
| 617 | cross-cultural comparison | 3 | 37 | 600 | 808 |
| 617 | hygiene | 1 | 37 | 1018 | 856 |
| 621 | Pediatric Dermatology | 3 | 36 | 413 | 557 |
| 621 | Neural circuitry | 2 | 36 | 2420 | 2732 |
| 621 | locomotion | 2 | 36 | 792 | 976 |
| 621 | posture | 2 | 36 | 792 | 976 |
| 621 | Mycology | 5 | 36 | 1299 | 2159 |
| 621 | gait | 2 | 36 | 792 | 976 |
| 621 | Birth control | 3 | 36 | 480 | 854 |
| 621 | walking | 2 | 36 | 792 | 976 |
| 629 | Radiopharmaceuticals | 6 | 35 | 239 | 334 |
| 630 | Nanobiotechnology | 1 | 34 | 887 | 1117 |
| 630 | Food Microbiology | 1 | 34 | 2052 | 2218 |
| 630 | Forensic Pathology | 6 | 34 | 67 | 196 |
| 630 | adolescence | 2 | 34 | 1101 | 1323 |
| 630 | Fungi | 4 | 34 | 935 | 1558 |
| 630 | Detectors | 3 | 34 | 1582 | 2108 |
| 636 | Education | 3 | 33 | 3468 | 3673 |
| 636 | Functional Genomics | 1 | 33 | 535 | 670 |
| 638 | Environmental Toxicology | 2 | 32 | 2988 | 3887 |
| 638 | Behavioral Genetics | 1 | 32 | 408 | 455 |
| 638 | Signal Processing | 4 | 32 | 2334 | 3324 |
| 638 | Endocrine system | 15 | 32 | 265 | 510 |
| 642 | Adolescent Medicine | 3 | 31 | 590 | 1248 |
| 642 | Anxiety Disorders | 1 | 31 | 880 | 1096 |
| 642 | Anxiety | 1 | 31 | 883 | 1091 |
| 645 | Archaeology | 2 | 30 | 1489 | 1472 |
| 645 | sleep-wake cycle | 4 | 30 | 72 | 160 |
| 645 | ethanol | 2 | 30 | 650 | 827 |
| 648 | Electrocardiography | 7 | 29 | 200 | 476 |
| 648 | Behavioral research | 5 | 29 | 336 | 773 |
| 650 | Systems Engineering | 2 | 28 | 2656 | 2820 |
| 650 | Paleontology | 1 | 28 | 1849 | 1619 |
| 650 | Radiography | 3 | 28 | 853 | 1542 |
| 650 | Biometrics | 3 | 28 | 1085 | 1469 |
| 650 | Sociobiology | 1 | 28 | 422 | 379 |
| 650 | baking | 2 | 28 | 272 | 414 |
| 650 | Coronary heart disease | 3 | 28 | 227 | 292 |
| 657 | Statistics | 2 | 27 | 3018 | 2927 |
| 657 | Family Therapy | 3 | 27 | 721 | 1031 |
| 657 | children | 2 | 27 | 600 | 754 |
| 660 | Kinesiology | 8 | 26 | 38 | 286 |
| 660 | Molecular ecology | 1 | 26 | 1652 | 2101 |
| 660 | Biomolecules | 2 | 26 | 610 | 1044 |
| 663 | Gender Studies | 3 | 25 | 502 | 814 |
| 663 | Queer Studies | 3 | 25 | 262 | 562 |
| 663 | Forest Ecology | 1 | 25 | 1605 | 1757 |
| 663 | Entropy | 2 | 25 | 1450 | 1584 |
| 663 | Forest Management | 1 | 25 | 1550 | 1673 |
| 663 | homosexuality | 3 | 25 | 393 | 701 |
| 663 | Industry | 1 | 25 | 461 | 720 |
| 663 | sex differences | 3 | 25 | 135 | 385 |
| 663 | Forest genetics | 2 | 25 | 401 | 508 |
| 663 | gene transfer | 1 | 25 | 546 | 599 |
| 663 | genetic transformation | 1 | 25 | 546 | 599 |
| 674 | Kinetics | 1 | 24 | 933 | 851 |
| 674 | Cell division | 3 | 24 | 387 | 953 |
| 674 | nucleotides | 6 | 24 | 234 | 438 |
| 674 | Spine | 2 | 24 | 857 | 1245 |
| 678 | Melanoma | 1 | 23 | 420 | 542 |
| 678 | Radiotherapy | 2 | 23 | 453 | 391 |
| 678 | Ultrasonics | 2 | 23 | 1568 | 2283 |
| 678 | Ultrasonic Imaging | 2 | 23 | 694 | 1005 |
| 678 | Ultrasound | 2 | 23 | 960 | 1372 |
| 678 | recreation | 1 | 23 | 1020 | 881 |
| 678 | Consciousness | 1 | 23 | 822 | 759 |
| 685 | Pediatric Endocrinology | 4 | 22 | 280 | 480 |
| 685 | Control Theory | 1 | 22 | 2487 | 2248 |
| 685 | hospice care | 2 | 22 | 735 | 1012 |
| 685 | Nanostructured Materials | 2 | 22 | 3197 | 4049 |
| 685 | Nutritional support | 1 | 22 | 330 | 435 |
| 685 | Technological Innovations | 1 | 22 | 1896 | 1889 |
| 685 | breastfeeding | 2 | 22 | 662 | 1003 |
| 685 | Osteoporosis | 4 | 22 | 293 | 797 |
| 685 | Metabolic disorders in children | 4 | 22 | 241 | 415 |
| 685 | Drug discovery | 1 | 22 | 592 | 672 |
| 685 | wildlife diseases | 5 | 22 | 85 | 274 |
| 696 | Androgens | 2 | 21 | 322 | 586 |
| 696 | Electromagnetic fields | 2 | 21 | 473 | 408 |
| 698 | Precision medicine | 1 | 20 | 469 | 455 |
| 698 | motivation | 1 | 20 | 606 | 671 |
| 698 | Emotion | 1 | 20 | 371 | 472 |
| 698 | chromatin | 1 | 20 | 320 | 478 |
| 702 | Cognitive Science | 1 | 19 | 2474 | 2684 |
| 702 | Supramolecular chemistry | 1 | 19 | 494 | 418 |
| 702 | child mental health | 1 | 19 | 777 | 836 |
| 702 | Eastern Europe | 3 | 19 | 925 | 1113 |
| 702 | Asia | 4 | 19 | 2684 | 4117 |
| 702 | Germany | 5 | 19 | 429 | 695 |
| 708 | Biosensors | 2 | 18 | 1635 | 2753 |
| 708 | Environmental pollutants | 1 | 18 | 3556 | 4034 |
| 708 | Bioelectronics | 2 | 18 | 1444 | 2481 |
| 708 | mental processes | 7 | 18 | 209 | 615 |
| 708 | drug toxicity | 1 | 18 | 972 | 1250 |
| 713 | Information Technology | 2 | 17 | 3050 | 3692 |
| 713 | Music Therapy | 1 | 17 | 440 | 456 |
| 713 | Nuclear Physics | 1 | 17 | 4681 | 4500 |
| 713 | Radiation Protection | 4 | 17 | 595 | 940 |
| 713 | radiation monitoring | 4 | 17 | 523 | 893 |
| 713 | monoclonal antibodies | 1 | 17 | 656 | 739 |
| 713 | Metabolic syndrome | 3 | 17 | 251 | 747 |
| 713 | Molecules | 1 | 17 | 2180 | 2070 |
| 713 | particles | 1 | 17 | 1804 | 1935 |
| 713 | Hearing | 1 | 17 | 1061 | 1105 |
| 713 | Cheminformatics | 2 | 17 | 461 | 828 |
| 713 | Scandinavia | 1 | 17 | 1113 | 1166 |
| 713 | biological evolution | 4 | 17 | 1822 | 3704 |
| 713 | extraterrestrial environment | 3 | 17 | 695 | 1163 |
| 713 | astronomical phenomena | 3 | 17 | 621 | 1075 |
| 728 | Nanochemistry | 1 | 16 | 2036 | 2246 |
| 728 | Psycholinguistics | 1 | 16 | 1387 | 1559 |
| 728 | Neurolinguistics | 1 | 16 | 720 | 898 |
| 728 | Preoperative Care | 3 | 16 | 72 | 199 |
| 728 | perioperative care | 3 | 16 | 72 | 198 |
| 728 | Travel | 2 | 16 | 1083 | 1662 |
| 728 | Speech Disorders | 1 | 16 | 1526 | 1629 |
| 728 | Animal welfare | 2 | 16 | 392 | 761 |
| 728 | monitoring | 1 | 16 | 564 | 590 |
| 728 | liver | 2 | 16 | 439 | 767 |
| 728 | Speech | 1 | 16 | 1438 | 1585 |
| 728 | language | 1 | 16 | 1333 | 1428 |
| 740 | Mathematics | 3 | 15 | 5255 | 6134 |
| 740 | Information Systems | 2 | 15 | 1850 | 2715 |
| 740 | Criminal psychology | 1 | 15 | 1130 | 1192 |
| 740 | correctional psychology | 1 | 15 | 383 | 504 |
| 740 | Edible plants | 1 | 15 | 466 | 673 |
| 740 | Central nervous system | 4 | 15 | 4 | 10 |
| 740 | Fluorescence | 2 | 15 | 618 | 900 |
| 740 | Developing countries | 12 | 15 | 1093 | 4149 |
| 748 | Physical Therapy | 1 | 14 | 2162 | 2497 |
| 748 | Water pollution | 2 | 14 | 3275 | 4689 |
| 748 | Water | 2 | 14 | 3008 | 4473 |
| 748 | Cellulose | 1 | 14 | 1136 | 1481 |
| 752 | Humanities | 3 | 13 | 1828 | 2613 |
| 752 | Structural biology | 1 | 13 | 170 | 372 |
| 752 | Dance therapy | 2 | 13 | 243 | 393 |
| 752 | Consumer education | 1 | 13 | 696 | 971 |
| 752 | Japan | 1 | 13 | 3354 | 3440 |
| 757 | Computational Chemistry | 2 | 12 | 848 | 1351 |
| 757 | Optics | 2 | 12 | 5139 | 5499 |
| 757 | Crisis Intervention | 3 | 12 | 164 | 521 |
| 757 | Suicide | 3 | 12 | 551 | 1302 |
| 761 | Ceramics | 2 | 11 | 1969 | 2579 |
| 761 | Dynamics | 1 | 11 | 2418 | 2481 |
| 761 | Combustion | 1 | 11 | 1959 | 2260 |
| 761 | Bifurcation Theory | 1 | 11 | 499 | 593 |
| 761 | biobanks | 1 | 11 | 323 | 434 |
| 761 | Electron Microscopy | 1 | 11 | 739 | 887 |
| 761 | Population | 1 | 11 | 1533 | 2018 |
| 761 | Fuzzy systems | 1 | 11 | 2529 | 2618 |
| 769 | Economic History | 2 | 10 | 3752 | 4640 |
| 769 | Image Processing | 2 | 10 | 2711 | 3902 |
| 769 | Health Physics | 1 | 10 | 436 | 465 |
| 769 | terrorism | 1 | 10 | 486 | 564 |
| 769 | Economic Integration | 1 | 10 | 200 | 170 |
| 769 | Learning disabilities | 1 | 10 | 1300 | 1565 |
| 769 | economic policy | 1 | 10 | 3472 | 3482 |
| 769 | Business | 1 | 10 | 3048 | 3570 |
| 769 | social conflict | 1 | 10 | 382 | 496 |
| 769 | Personality Assessment | 2 | 10 | 644 | 1192 |
| 769 | commerce | 1 | 10 | 2445 | 2711 |
| 769 | drug interactions | 1 | 10 | 134 | 200 |
| 781 | Computer Graphics | 1 | 9 | 2682 | 3166 |
| 781 | School Psychology | 1 | 9 | 747 | 1056 |
| 781 | Educational Psychology | 1 | 9 | 2051 | 2496 |
| 781 | Quality Control | 2 | 9 | 2236 | 3639 |
| 781 | Computer-Aided Design | 1 | 9 | 2103 | 2522 |
| 781 | Biofeedback | 1 | 9 | 251 | 499 |
| 781 | Cognitive Therapy | 1 | 9 | 1053 | 1404 |
| 781 | Drug delivery devices | 2 | 9 | 348 | 933 |
| 781 | orphan drugs | 3 | 9 | 51 | 146 |
| 781 | food handling | 2 | 9 | 1133 | 2274 |
| 781 | Protozoa | 1 | 9 | 743 | 1016 |
| 781 | Mitochondrial DNA | 2 | 9 | 296 | 500 |
| 781 | Youth | 1 | 9 | 1115 | 1477 |
| 781 | school psychologists | 1 | 9 | 345 | 542 |
| 781 | Autism | 2 | 9 | 852 | 1635 |
| 796 | Otolaryngology | 2 | 8 | 695 | 1164 |
| 796 | Retina | 1 | 8 | 325 | 578 |
| 796 | Evolutionary Genetics | 2 | 8 | 908 | 1906 |
| 796 | Molecular Epidemiology | 2 | 8 | 908 | 1906 |
| 796 | Cell migration | 1 | 8 | 228 | 475 |
| 796 | Child welfare | 3 | 8 | 1131 | 2402 |
| 796 | Marriage | 2 | 8 | 639 | 1260 |
| 796 | Qualitative Research | 1 | 8 | 870 | 1132 |
| 796 | Hemophilia | 1 | 8 | 742 | 955 |
| 796 | Family | 2 | 8 | 1178 | 2078 |
| 796 | cell movement | 1 | 8 | 454 | 739 |
| 796 | Chemical structure | 6 | 8 | 275 | 1159 |
| 796 | Marriage counseling | 2 | 8 | 394 | 801 |
| 796 | eugenics | 1 | 8 | 1081 | 1546 |
| 796 | Zoonoses | 1 | 8 | 569 | 940 |
| 811 | Cultural Studies | 1 | 7 | 339 | 509 |
| 811 | Pediatric Nursing | 1 | 7 | 770 | 1130 |
| 811 | Genetic Research | 1 | 7 | 404 | 678 |
| 811 | cosmic rays | 1 | 7 | 834 | 1064 |
| 811 | Combinatorial chemistry | 1 | 7 | 1309 | 2017 |
| 811 | Religion | 1 | 7 | 1411 | 1218 |
| 811 | Antiviral agents | 1 | 7 | 583 | 908 |
| 811 | Food additives | 2 | 7 | 1540 | 2737 |
| 811 | Happiness | 1 | 7 | 835 | 1269 |
| 811 | Religion and Culture | 1 | 7 | 564 | 693 |
| 811 | Pediatric Neuropsychology | 1 | 7 | 209 | 309 |
| 811 | Religion and Psychology | 1 | 7 | 1033 | 1302 |
| 811 | blood transfusion | 2 | 7 | 930 | 1582 |
| 811 | Luminescence | 1 | 7 | 2041 | 2510 |
| 811 | Ethnology | 1 | 7 | 2256 | 2505 |
| 811 | Social work | 2 | 7 | 1805 | 2857 |
| 811 | tomography | 2 | 7 | 531 | 855 |
| 811 | Culture | 1 | 7 | 1724 | 1889 |
| 811 | Radiation dosimetry | 3 | 7 | 496 | 1007 |
| 830 | Psychiatric Nursing | 2 | 6 | 831 | 1577 |
| 830 | Amyotrophic Lateral Sclerosis | 1 | 6 | 486 | 775 |
| 830 | Frontotemporal lobar degeneration | 1 | 6 | 383 | 624 |
| 830 | Herbal medicine | 2 | 6 | 1008 | 2149 |
| 830 | Solitons | 2 | 6 | 1423 | 2273 |
| 830 | Social policy | 3 | 6 | 991 | 2120 |
| 830 | Fractals | 2 | 6 | 1431 | 2280 |
| 830 | Chaos | 2 | 6 | 1423 | 2273 |
| 830 | Organometallic compounds | 1 | 6 | 1821 | 2303 |
| 830 | Electroconvulsive therapy | 1 | 6 | 213 | 327 |
| 830 | Imaging systems | 1 | 6 | 1528 | 1800 |
| 830 | Atomic spectroscopy | 1 | 6 | 1781 | 2188 |
| 830 | Familial diseases | 1 | 6 | 418 | 688 |
| 830 | Information Science | 3 | 6 | 2574 | 4844 |
| 830 | motor skills | 1 | 6 | 394 | 596 |
| 845 | Geography | 1 | 5 | 3088 | 4075 |
| 845 | Experimental Psychology | 1 | 5 | 867 | 1089 |
| 845 | Engineering Mathematics | 1 | 5 | 2845 | 3292 |
| 845 | Evolutionary Psychology | 1 | 5 | 294 | 459 |
| 845 | Neurotransmitters | 4 | 5 | 496 | 992 |
| 845 | Genetic databases | 1 | 5 | 127 | 223 |
| 845 | Action Research | 1 | 5 | 460 | 777 |
| 852 | Astronomy | 1 | 4 | 3497 | 4312 |
| 852 | Higher Education | 1 | 4 | 1046 | 1409 |
| 852 | Radiation Oncology | 1 | 4 | 713 | 1116 |
| 852 | Computer Vision | 1 | 4 | 1949 | 2634 |
| 852 | Erectile dysfunction | 1 | 4 | 489 | 781 |
| 852 | Education policy | 1 | 4 | 178 | 383 |
| 852 | Integrative Medicine | 1 | 4 | 641 | 961 |
| 852 | Climate change | 1 | 4 | 1666 | 2515 |
| 852 | Social welfare | 1 | 4 | 1063 | 1609 |
| 852 | Biodiversity conservation | 1 | 4 | 2475 | 3486 |
| 852 | Eutrophication | 1 | 4 | 1513 | 2279 |
| 852 | Holistic Health | 1 | 4 | 942 | 1470 |
| 852 | psychiatric disorders | 1 | 4 | 134 | 222 |
| 852 | cycles | 1 | 4 | 326 | 501 |
| 866 | Radiologic Technology | 1 | 3 | 376 | 577 |
| 866 | Occupational Health | 1 | 3 | 1918 | 2712 |
| 866 | Neuroimaging | 3 | 3 | 320 | 836 |
| 866 | Interventional Radiology | 1 | 3 | 376 | 577 |
| 866 | Educational Technology | 1 | 3 | 2570 | 3685 |
| 866 | Multicultural Education | 2 | 3 | 463 | 978 |
| 866 | Statistical Mechanics | 1 | 3 | 993 | 1339 |
| 866 | industrial hygiene | 1 | 3 | 1929 | 2628 |
| 866 | Ethnic relations | 2 | 3 | 744 | 1292 |
| 866 | occupational diseases | 1 | 3 | 1404 | 2390 |
| 866 | civil rights | 1 | 3 | 704 | 1075 |
| 866 | Crystallography | 2 | 3 | 1977 | 2763 |
| 866 | Interventional Radiography | 1 | 3 | 376 | 577 |
| 866 | Sexuality | 1 | 3 | 579 | 960 |
| 866 | Endoscopic Surgery | 1 | 3 | 376 | 577 |
| 866 | Sound | 2 | 3 | 1443 | 2460 |
| 866 | Solutions | 1 | 3 | 693 | 1030 |
| 866 | environmental exposure | 2 | 3 | 2457 | 4601 |
| 866 | residential treatment | 1 | 3 | 311 | 556 |
| 866 | Lipid bilayers | 2 | 3 | 600 | 1121 |
| 866 | Phytotherapy | 2 | 3 | 890 | 2091 |
| 866 | cultural pluralism | 2 | 3 | 497 | 1070 |
| 888 | Industrial Engineering | 1 | 2 | 2807 | 3960 |
| 888 | Engineering Ethics | 1 | 2 | 399 | 828 |
| 888 | Agricultural Biotechnology | 1 | 2 | 591 | 836 |
| 888 | mental health policy | 1 | 2 | 382 | 705 |
| 888 | food contamination | 1 | 2 | 1895 | 2772 |
| 888 | Professional ethics | 1 | 2 | 566 | 1135 |
| 888 | Cardiopulmonary Resuscitation | 3 | 2 | 187 | 575 |
| 888 | civilization | 1 | 2 | 1451 | 1432 |
| 888 | cardiac arrest | 3 | 2 | 187 | 575 |
| 888 | Dementia | 5 | 2 | 1186 | 2415 |
| 888 | body temperature | 2 | 2 | 678 | 1671 |
| 888 | Methodology | 1 | 2 | 939 | 1473 |
| 888 | Intellectual disability | 2 | 2 | 987 | 2092 |
| 888 | Growth factors | 1 | 2 | 589 | 1105 |
| 888 | Cytokine | 1 | 2 | 792 | 1401 |
| 888 | Muscle contraction | 1 | 2 | 674 | 969 |
| 888 | vitamins | 1 | 2 | 330 | 711 |
| 905 | Ecological Genetics | 1 | 1 | 1135 | 1796 |
| 905 | Sustainable Engineering | 1 | 1 | 2483 | 3622 |
| 905 | Organizational Sociology | 1 | 1 | 589 | 972 |
| 905 | Ecophysiology | 1 | 1 | 449 | 915 |
| 905 | Origin of life | 1 | 1 | 273 | 512 |
| 905 | Cellular senescence | 1 | 1 | 647 | 1215 |
| 905 | diffusion | 2 | 1 | 414 | 756 |
| 905 | poverty | 1 | 1 | 850 | 1637 |
| 905 | healthcare disparities | 1 | 1 | 956 | 1779 |
| 905 | Aerosols | 3 | 1 | 600 | 1534 |
| 905 | Plant tissue culture | 1 | 1 | 1208 | 1828 |
| 905 | Health insurance | 1 | 1 | 878 | 1661 |
| 905 | Library Science | 1 | 1 | 1646 | 2372 |
| 905 | Parkinson's disease | 1 | 1 | 526 | 962 |
| 905 | biomimicry | 1 | 1 | 318 | 615 |
| 905 | Plant diseases | 1 | 1 | 2740 | 3761 |
| 905 | organization | 1 | 1 | 1204 | 1891 |
| 905 | Culture techniques | 1 | 1 | 561 | 905 |
| 905 | biomedicine | 1 | 1 | 1075 | 1877 |
| 905 | Plant cell culture | 1 | 1 | 1119 | 1771 |
| 905 | Organelle biogenesis | 1 | 1 | 407 | 737 |
| 905 | kidney | 1 | 1 | 151 | 258 |
| 905 | aerosol | 3 | 1 | 427 | 1131 |
| 928 | Mechanical Engineering | 1 | 0 | 3680 | 4987 |
| 928 | Electrical Engineering | 1 | 0 | 4991 | 6392 |
| 928 | Computer Science | 1 | 0 | 3354 | 4879 |
| 928 | Economics | 1 | 0 | 5103 | 6675 |
| 928 | Constitutional Law | 1 | 0 | 225 | 329 |
| 928 | Global Health | 1 | 0 | 2151 | 3651 |
| 928 | Thermodynamics | 1 | 0 | 1959 | 2832 |
| 928 | Surgical Oncology | 1 | 0 | 20 | 64 |
| 928 | Adult Education | 1 | 0 | 1038 | 1805 |
| 928 | Industrial Microbiology | 2 | 0 | 2470 | 4535 |
| 928 | International Law | 1 | 0 | 646 | 859 |
| 928 | Quantum Chemistry | 1 | 0 | 299 | 564 |
| 928 | Nuclear Chemistry | 1 | 0 | 1805 | 2662 |
| 928 | Human-Computer Interaction | 1 | 0 | 2613 | 4073 |
| 928 | Radiochemistry | 1 | 0 | 1741 | 2552 |
| 928 | Virtual reality | 1 | 0 | 804 | 1398 |
| 928 | Thermochemistry | 1 | 0 | 774 | 1248 |
| 928 | Quality Assurance | 1 | 0 | 813 | 1665 |
| 928 | Functional foods | 1 | 0 | 741 | 1356 |
| 928 | Art | 1 | 0 | 626 | 754 |
| 928 | Business Ethics | 1 | 0 | 1437 | 2217 |
| 928 | Serbia | 1 | 0 | 291 | 588 |
| 928 | Elderly | 1 | 0 | 2076 | 2695 |
| 928 | constitutional courts | 1 | 0 | 138 | 220 |
| 928 | indoor air pollution | 1 | 0 | 761 | 1446 |
| 928 | Ventilation | 1 | 0 | 1019 | 1787 |
| 928 | Sick building syndrome | 1 | 0 | 761 | 1446 |