| 1 | Biochemistry | 1,442 | 47.7K | 256 | 325 |
| 2 | Science | 422 | 24.3K | 629 | 681 |
| 3 | Biology | 359 | 18.9K | 653 | 758 |
| 4 | Medicine | 464 | 17.4K | 607 | 640 |
| 5 | Biophysics | 460 | 16.4K | 292 | 292 |
| 6 | Pharmacology | 917 | 16.4K | 93 | 252 |
| 7 | Chemistry | 542 | 15.3K | 718 | 952 |
| 8 | Microbiology | 431 | 14.7K | 367 | 498 |
| 9 | Molecular Biology | 389 | 13.9K | 604 | 704 |
| 10 | Physics | 230 | 13.8K | 1,162 | 1,042 |
| 11 | Neurology | 301 | 13.0K | 463 | 494 |
| 12 | Research | 415 | 12.2K | 536 | 582 |
| 13 | Endocrinology | 210 | 8.4K | 223 | 310 |
| 14 | Cardiovascular diseases | 164 | 8.4K | 58 | 22 |
| 15 | Toxicology | 357 | 8.0K | 150 | 322 |
| 16 | Immunology | 200 | 7.4K | 284 | 374 |
| 17 | Cytology | 178 | 6.6K | 439 | 594 |
| 18 | antibiotics | 257 | 6.5K | 1 | 1 |
| 19 | Natural history | 26 | 6.1K | 993 | 835 |
| 20 | Human genetics | 56 | 5.5K | 382 | 525 |
| 21 | Cell Biology | 152 | 5.5K | 438 | 653 |
| 22 | Virology | 127 | 5.5K | 318 | 486 |
| 23 | Botany | 124 | 5.2K | 561 | 557 |
| 24 | Pharmaceutical Chemistry | 254 | 5.1K | 202 | 368 |
| 25 | Biotechnology | 154 | 4.9K | 643 | 857 |
| 26 | Pathology | 113 | 4.3K | 226 | 261 |
| 27 | Pharmacy | 262 | 4.2K | 57 | 126 |
| 28 | Bioengineering | 108 | 4.1K | 507 | 650 |
| 29 | Physiology | 158 | 4.0K | 459 | 574 |
| 30 | drug therapy | 180 | 3.9K | 127 | 214 |
| 31 | Medical Microbiology | 88 | 3.8K | 266 | 308 |
| 32 | Surgery | 14 | 3.7K | 649 | 375 |
| 33 | Organic Chemistry | 199 | 3.5K | 184 | 395 |
| 34 | Therapeutics | 147 | 3.4K | 96 | 180 |
| 35 | Japan | 331 | 3.4K | 45 | 56 |
| 36 | Environmental Health | 166 | 3.4K | 491 | 872 |
| 37 | Cancer | 105 | 3.2K | 436 | 572 |
| 38 | Medical genetics | 68 | 3.0K | 441 | 508 |
| 39 | Cell differentiation | 29 | 2.8K | 427 | 353 |
| 40 | Orthopedics | 102 | 2.7K | 127 | 144 |
| 41 | Developmental Biology | 80 | 2.7K | 273 | 392 |
| 42 | Medical Oncology | 31 | 2.7K | 405 | 235 |
| 43 | Genetics | 40 | 2.7K | 861 | 720 |
| 44 | Genetic engineering | 57 | 2.7K | 265 | 266 |
| 45 | Radiobiology | 47 | 2.6K | 217 | 166 |
| 46 | Histology | 107 | 2.6K | 131 | 247 |
| 47 | Pediatric Neurology | 29 | 2.6K | 221 | 213 |
| 48 | Bioorganic chemistry | 139 | 2.5K | 188 | 414 |
| 49 | Nervous system | 19 | 2.4K | 879 | 456 |
| 50 | Genomics | 49 | 2.4K | 614 | 484 |
| 51 | Anatomy | 62 | 2.3K | 318 | 311 |
| 52 | infection | 116 | 2.2K | 68 | 223 |
| 53 | Embryology | 66 | 2.2K | 227 | 319 |
| 54 | Ecology | 59 | 2.2K | 1,397 | 1,600 |
| 55 | Clinical Chemistry | 88 | 2.2K | 345 | 480 |
| 56 | Brain | 69 | 2.1K | 511 | 580 |
| 57 | Neurochemistry | 60 | 2.1K | 466 | 488 |
| 58 | Psychiatry | 50 | 2.1K | 907 | 830 |
| 59 | Chemotherapy | 118 | 2.1K | 52 | 135 |
| 60 | Ophthalmology | 85 | 2.0K | 216 | 297 |
| 61 | Neurophysiology | 48 | 2.0K | 673 | 677 |
| 62 | Nutrition | 72 | 2.0K | 710 | 834 |
| 63 | Urology | 54 | 2.0K | 289 | 273 |
| 63 | Bacteriology | 36 | 2.0K | 451 | 427 |
| 65 | biological factors | 32 | 1.9K | 396 | 230 |
| 66 | Genes | 33 | 1.9K | 166 | 69 |
| 67 | Environment | 40 | 1.9K | 1,271 | 1,487 |
| 68 | proteins | 60 | 1.8K | 287 | 326 |
| 69 | Pediatrics | 33 | 1.8K | 550 | 459 |
| 70 | Biochemical Engineering | 9 | 1.8K | 1,878 | 1,030 |
| 71 | Agricultural Chemistry | 83 | 1.8K | 245 | 385 |
| 72 | free radicals | 20 | 1.8K | 416 | 295 |
| 73 | Diagnostic microbiology | 27 | 1.7K | 282 | 317 |
| 74 | Reproduction | 43 | 1.7K | 486 | 405 |
| 75 | Pharmacognosy | 60 | 1.7K | 213 | 327 |
| 76 | Growth | 39 | 1.7K | 238 | 340 |
| 77 | Disease | 3 | 1.6K | 314 | 231 |
| 78 | Analytical Biochemistry | 47 | 1.6K | 194 | 206 |
| 79 | viruses | 28 | 1.6K | 376 | 371 |
| 79 | diseases | 1 | 1.6K | 565 | 233 |
| 81 | Immunotherapy | 32 | 1.6K | 400 | 407 |
| 82 | natural products | 44 | 1.5K | 273 | 227 |
| 83 | Heterocyclic compounds | 129 | 1.5K | 20 | 17 |
| 84 | Biomedical Engineering | 76 | 1.5K | 875 | 1,211 |
| 85 | genome | 14 | 1.4K | 578 | 449 |
| 86 | venom | 35 | 1.4K | 64 | 50 |
| 86 | Toxins | 35 | 1.4K | 77 | 58 |
| 88 | Immunity | 31 | 1.4K | 472 | 637 |
| 89 | Stem cells | 17 | 1.4K | 515 | 329 |
| 90 | Astrophysics | 30 | 1.4K | 1,192 | 1,054 |
| 91 | Metabolism | 43 | 1.3K | 609 | 743 |
| 92 | Aquaculture | 44 | 1.3K | 271 | 268 |
| 93 | Medical Physics | 39 | 1.3K | 382 | 390 |
| 94 | DNS | 18 | 1.3K | 73 | 19 |
| 95 | Genetic regulation | 9 | 1.3K | 543 | 268 |
| 96 | Spectrum analysis | 50 | 1.3K | 1,149 | 1,217 |
| 97 | Parasitology | 72 | 1.3K | 268 | 394 |
| 98 | Membranes | 20 | 1.3K | 657 | 521 |
| 99 | Thrombosis | 53 | 1.3K | 151 | 256 |
| 100 | cloning | 7 | 1.3K | 350 | 150 |
| 101 | Fisheries | 121 | 1.2K | 98 | 302 |
| 102 | Biocompatible Materials | 42 | 1.2K | 1,032 | 1,299 |
| 103 | Mathematical Physics | 43 | 1.2K | 802 | 629 |
| 104 | Nuclear Physics | 87 | 1.2K | 1,045 | 1,312 |
| 105 | Liver diseases | 31 | 1.2K | 370 | 497 |
| 106 | Molecular cloning | 49 | 1.2K | 134 | 210 |
| 106 | Genetic recombination | 49 | 1.2K | 125 | 206 |
| 106 | Recombinant DNA | 49 | 1.2K | 154 | 236 |
| 109 | Marine Biology | 86 | 1.2K | 369 | 695 |
| 110 | Microbial Ecology | 30 | 1.1K | 616 | 775 |
| 111 | Immunopharmacology | 35 | 1.1K | 136 | 136 |
| 112 | Industrial Microbiology | 36 | 1.1K | 351 | 512 |
| 113 | Mental Disorders | 29 | 1.1K | 761 | 781 |
| 114 | cell physiology | 32 | 1.1K | 359 | 484 |
| 115 | Hematology | 43 | 1.1K | 595 | 679 |
| 116 | United Kingdom | 20 | 1.1K | 482 | 398 |
| 117 | Diabetes | 37 | 1.1K | 459 | 602 |
| 118 | Zoology | 66 | 1.1K | 403 | 527 |
| 118 | Environmental monitoring | 27 | 1.1K | 1,258 | 1,274 |
| 120 | fishing industry | 88 | 1.1K | 7 | 13 |
| 121 | gene mapping | 24 | 1.0K | 558 | 546 |
| 122 | industrial hygiene | 56 | 1.0K | 59 | 41 |
| 123 | Diabetes mellitus | 33 | 1.0K | 461 | 605 |
| 124 | Psychology | 42 | 1.0K | 1,218 | 1,207 |
| 125 | Public Health | 39 | 1.0K | 1,327 | 1,421 |
| 126 | Parasitic Diseases | 44 | 986 | 313 | 442 |
| 127 | Dermatology | 23 | 980 | 542 | 398 |
| 128 | histological techniques | 28 | 978 | 105 | 165 |
| 129 | Pollution | 48 | 967 | 1,388 | 2,108 |
| 130 | Neurobiology | 33 | 939 | 461 | 631 |
| 131 | cytokines | 22 | 909 | 259 | 281 |
| 132 | Parasites | 43 | 884 | 222 | 309 |
| 133 | Analytical Chemistry | 60 | 864 | 1,078 | 1,558 |
| 134 | Cytogenetics | 21 | 847 | 402 | 488 |
| 135 | Oncology | 24 | 845 | 594 | 997 |
| 136 | Algae | 23 | 835 | 201 | 191 |
| 137 | Neurons | 4 | 834 | 467 | 460 |
| 138 | Astronomy | 13 | 833 | 1,397 | 1,084 |
| 139 | Metabolic diseases | 26 | 824 | 640 | 830 |
| 140 | Biomechanics | 30 | 818 | 293 | 350 |
| 141 | Food Microbiology | 11 | 801 | 542 | 419 |
| 141 | Molecular structure | 26 | 801 | 722 | 663 |
| 143 | Developmental Immunology | 31 | 782 | 57 | 111 |
| 144 | Polymers | 27 | 777 | 1,710 | 1,534 |
| 144 | Hemostasis | 40 | 777 | 76 | 116 |
| 146 | prostaglandins | 25 | 754 | 66 | 75 |
| 147 | Environmental Engineering | 15 | 747 | 1,715 | 1,338 |
| 148 | Digestive system diseases | 34 | 745 | 176 | 222 |
| 149 | Systems Biology | 13 | 743 | 624 | 397 |
| 150 | Mycology | 28 | 742 | 413 | 508 |
| 151 | Seaweed | 13 | 737 | 213 | 157 |
| 152 | drugs | 72 | 731 | 217 | 564 |
| 153 | environmental protection | 17 | 726 | 1,507 | 1,304 |
| 154 | Proteome | 20 | 717 | 341 | 407 |
| 154 | protein | 26 | 717 | 296 | 336 |
| 156 | Chromatographic analysis | 45 | 716 | 277 | 381 |
| 157 | Oncogenes | 12 | 709 | 480 | 526 |
| 158 | Cell death | 8 | 705 | 652 | 537 |
| 159 | Immunopathology | 30 | 704 | 301 | 412 |
| 159 | Chromosome mapping | 23 | 704 | 503 | 607 |
| 161 | Heart Failure | 5 | 698 | 259 | 152 |
| 162 | Histochemistry | 44 | 679 | 102 | 244 |
| 162 | environmental pollution | 35 | 679 | 1,285 | 1,952 |
| 164 | Oceanography | 13 | 673 | 822 | 628 |
| 165 | Microorganisms | 34 | 658 | 144 | 441 |
| 166 | Statistical physics | 45 | 649 | 1,007 | 1,229 |
| 167 | Alternative Medicine | 28 | 634 | 258 | 325 |
| 168 | Sports Medicine | 14 | 631 | 1,123 | 796 |
| 169 | Technology | 39 | 630 | 965 | 1,238 |
| 170 | Epidemiology | 25 | 620 | 1,118 | 1,175 |
| 171 | Hormones | 19 | 613 | 421 | 451 |
| 172 | Environmental Policy | 9 | 611 | 1,884 | 1,463 |
| 173 | Antioxidants | 8 | 605 | 392 | 356 |
| 173 | vitamin C | 8 | 605 | 153 | 79 |
| 173 | vitamin E | 8 | 605 | 153 | 79 |
| 176 | vascular diseases | 18 | 591 | 239 | 333 |
| 177 | Medical Laboratory Science | 30 | 586 | 504 | 859 |
| 178 | Immune system | 10 | 584 | 440 | 533 |
| 179 | Child Development | 19 | 583 | 687 | 722 |
| 180 | Optics | 59 | 572 | 1,047 | 1,360 |
| 181 | Host-parasite interactions | 10 | 568 | 565 | 646 |
| 182 | Mental illness | 8 | 563 | 1,026 | 819 |
| 183 | carcinogens | 11 | 553 | 385 | 353 |
| 184 | Molecular Microbiology | 8 | 550 | 480 | 463 |
| 184 | peptides | 17 | 550 | 171 | 99 |
| 186 | Proteomics | 13 | 542 | 426 | 408 |
| 186 | Critical Care | 6 | 542 | 831 | 700 |
| 186 | Critical Care Medicine | 6 | 542 | 807 | 701 |
| 189 | Colloids | 17 | 540 | 1,729 | 1,777 |
| 190 | Geriatrics | 42 | 538 | 622 | 934 |
| 191 | Inflammation | 19 | 530 | 295 | 458 |
| 192 | Immunochemistry | 24 | 527 | 195 | 239 |
| 193 | Radiation | 54 | 523 | 306 | 603 |
| 194 | Environmental Law | 6 | 522 | 722 | 612 |
| 194 | Fungi | 21 | 522 | 285 | 462 |
| 196 | Cardiovascular system | 19 | 518 | 513 | 797 |
| 197 | Hypertension | 15 | 517 | 618 | 790 |
| 198 | Peptide | 14 | 513 | 48 | 28 |
| 199 | Molecular Genetics | 21 | 509 | 607 | 839 |
| 200 | Signal Transduction | 20 | 499 | 460 | 688 |
| 201 | Electrophoresis | 12 | 496 | 757 | 559 |
| 202 | arthritis | 10 | 488 | 551 | 557 |
| 203 | Medicinal plants | 14 | 480 | 510 | 609 |
| 203 | risk factors | 25 | 480 | 133 | 241 |
| 205 | Artificial Organs | 19 | 478 | 163 | 138 |
| 206 | Plant genetic engineering | 12 | 472 | 359 | 386 |
| 207 | Clinical Pharmacology | 28 | 469 | 290 | 440 |
| 208 | Chromatography | 18 | 467 | 552 | 481 |
| 209 | biological evolution | 15 | 463 | 837 | 1,045 |
| 210 | Quantum electronics | 13 | 457 | 746 | 499 |
| 211 | Food additives | 14 | 455 | 400 | 492 |
| 211 | Steroids | 17 | 455 | 302 | 322 |
| 213 | Statistics | 10 | 453 | 1,480 | 878 |
| 213 | Food | 13 | 453 | 1,511 | 1,516 |
| 215 | Gene expression | 16 | 448 | 49 | 82 |
| 215 | Cell division | 16 | 448 | 59 | 115 |
| 217 | amino acids | 15 | 447 | 102 | 150 |
| 218 | Child | 23 | 444 | 729 | 862 |
| 218 | Respiration | 20 | 444 | 487 | 621 |
| 220 | Psychopharmacology | 32 | 441 | 369 | 697 |
| 220 | mutagens | 9 | 441 | 368 | 386 |
| 222 | Photonics | 11 | 436 | 1,017 | 966 |
| 222 | mycoses | 9 | 436 | 379 | 440 |
| 224 | tomography | 14 | 435 | 99 | 71 |
| 225 | Parenteral nutrition | 8 | 430 | 503 | 451 |
| 226 | Neurosurgery | 8 | 420 | 534 | 403 |
| 227 | Carcinogenesis | 6 | 417 | 579 | 437 |
| 227 | primary prevention | 29 | 417 | 45 | 105 |
| 229 | Vaccines | 25 | 416 | 448 | 675 |
| 230 | food technology | 11 | 412 | 1,340 | 1,264 |
| 231 | Respiratory Infections | 13 | 404 | 88 | 73 |
| 232 | Sports | 8 | 402 | 1,280 | 816 |
| 233 | enzymes | 20 | 401 | 483 | 663 |
| 234 | disease vectors | 14 | 397 | 347 | 349 |
| 235 | Surface Chemistry | 15 | 396 | 1,859 | 1,927 |
| 236 | Perception | 18 | 389 | 644 | 746 |
| 237 | Psychophysiology | 19 | 386 | 1,088 | 1,376 |
| 238 | Water pollution | 16 | 375 | 1,200 | 1,552 |
| 239 | Diagnostic Imaging | 23 | 372 | 543 | 748 |
| 240 | Animal welfare | 28 | 367 | 13 | 70 |
| 241 | Enteral nutrition | 7 | 362 | 447 | 420 |
| 241 | Plant tissue culture | 9 | 362 | 327 | 257 |
| 241 | Plant cell culture | 9 | 362 | 275 | 253 |
| 244 | Chemical industry | 32 | 355 | 247 | 382 |
| 244 | Algal blooms | 12 | 355 | 71 | 133 |
| 244 | Cyanobacteria | 12 | 355 | 71 | 133 |
| 244 | microalgae | 12 | 355 | 71 | 133 |
| 248 | Environmental Toxicology | 27 | 354 | 645 | 1,362 |
| 248 | rehabilitation | 23 | 354 | 625 | 959 |
| 250 | Radioisotopes | 37 | 347 | 150 | 265 |
| 250 | drug evaluation | 26 | 347 | 253 | 513 |
| 252 | Biodiversity | 10 | 345 | 1,162 | 1,074 |
| 253 | Immunotoxicology | 16 | 344 | 28 | 36 |
| 254 | DNA polymerases | 1 | 343 | 586 | 381 |
| 255 | Molecules | 22 | 342 | 546 | 616 |
| 256 | Catalysis | 16 | 339 | 1,756 | 2,082 |
| 256 | Memory | 17 | 339 | 636 | 809 |
| 258 | Materials | 11 | 334 | 3,043 | 2,779 |
| 259 | Water | 9 | 332 | 1,386 | 1,570 |
| 260 | Tropical Medicine | 17 | 330 | 617 | 652 |
| 261 | Sleep Disorders | 16 | 329 | 553 | 647 |
| 262 | Marine Biotechnology | 19 | 328 | 20 | 65 |
| 262 | Sleep | 15 | 328 | 590 | 653 |
| 264 | Chemical Engineering | 8 | 325 | 2,757 | 2,548 |
| 264 | Bacterial infections | 6 | 325 | 477 | 515 |
| 266 | Microbial Metabolism | 6 | 323 | 63 | 54 |
| 267 | Visual Perception | 16 | 322 | 587 | 695 |
| 267 | Attention | 16 | 322 | 618 | 732 |
| 269 | Veterinary Immunology | 21 | 318 | 74 | 129 |
| 269 | Plant physiology | 7 | 318 | 1,395 | 1,307 |
| 269 | Genetic therapy | 12 | 318 | 449 | 561 |
| 272 | Nuclear Medicine | 19 | 312 | 296 | 417 |
| 272 | Transplantation | 14 | 312 | 399 | 565 |
| 272 | Kidney diseases | 11 | 312 | 376 | 413 |
| 275 | Molecular evolution | 12 | 307 | 648 | 866 |
| 276 | Environmental pollutants | 16 | 305 | 877 | 1,325 |
| 277 | Comparative Physiology | 17 | 304 | 264 | 406 |
| 278 | Chromosomes | 6 | 303 | 573 | 493 |
| 279 | Neuropharmacology | 24 | 302 | 100 | 277 |
| 280 | ecosystem | 4 | 299 | 1,090 | 825 |
| 281 | Biomass Energy | 3 | 296 | 2,290 | 1,629 |
| 282 | Virulence | 7 | 294 | 620 | 801 |
| 283 | Plant Genetics | 6 | 293 | 448 | 479 |
| 283 | plant molecular biology | 6 | 293 | 1,008 | 1,055 |
| 285 | Serology | 17 | 288 | 74 | 163 |
| 285 | Antigens | 22 | 288 | 194 | 353 |
| 287 | pollutants | 13 | 285 | 793 | 1,181 |
| 288 | food contamination | 9 | 281 | 451 | 335 |
| 289 | environmental exposure | 15 | 280 | 731 | 1,139 |
| 290 | nucleic acids | 8 | 279 | 949 | 1,062 |
| 290 | lasers | 10 | 279 | 1,232 | 970 |
| 292 | Biogeochemistry | 2 | 277 | 1,195 | 729 |
| 293 | United States | 21 | 276 | 1,834 | 2,353 |
| 294 | Genetic Toxicology | 5 | 275 | 259 | 239 |
| 295 | Computer Graphics | 15 | 274 | 708 | 822 |
| 295 | Pharmacogenetics | 8 | 274 | 475 | 510 |
| 297 | Aging | 21 | 272 | 889 | 1,270 |
| 298 | Electrophysiology | 23 | 267 | 266 | 411 |
| 298 | Fertilizers | 12 | 267 | 115 | 158 |
| 300 | Orthopedic Surgery | 17 | 266 | 228 | 335 |
| 301 | gene therapy | 9 | 262 | 505 | 621 |
| 302 | Physical Therapy | 11 | 259 | 610 | 755 |
| 303 | Muscles | 14 | 253 | 295 | 523 |
| 304 | Gastrointestinal diseases | 10 | 250 | 236 | 227 |
| 305 | Ecosystem management | 1 | 247 | 1,148 | 389 |
| 306 | Molecular Pharmacology | 5 | 244 | 628 | 567 |
| 307 | Physical organic chemistry | 13 | 240 | 684 | 788 |
| 308 | Physical Chemistry | 13 | 239 | 1,089 | 1,312 |
| 308 | Bacteria | 4 | 239 | 253 | 283 |
| 310 | Immunogenetics | 16 | 238 | 182 | 312 |
| 311 | Amyotrophic Lateral Sclerosis | 5 | 237 | 145 | 117 |
| 312 | Lipids | 11 | 236 | 583 | 862 |
| 312 | Spine | 15 | 236 | 239 | 435 |
| 314 | Hemodynamics | 7 | 234 | 388 | 538 |
| 315 | Fermentation | 5 | 227 | 144 | 79 |
| 315 | Evolution | 13 | 227 | 835 | 1,164 |
| 317 | Synthetic biology | 1 | 226 | 524 | 181 |
| 318 | Nanostructured Materials | 8 | 219 | 1,902 | 2,013 |
| 319 | glycoproteins | 20 | 218 | 87 | 275 |
| 319 | Glycoconjugates | 20 | 218 | 87 | 275 |
| 319 | glycolipids | 20 | 218 | 87 | 275 |
| 322 | Computational Chemistry | 8 | 215 | 378 | 428 |
| 323 | Nanotechnology | 8 | 213 | 2,861 | 3,003 |
| 323 | Herbal medicine | 6 | 213 | 433 | 495 |
| 325 | Nuclear Engineering | 19 | 210 | 528 | 631 |
| 326 | Cell metabolism | 5 | 206 | 445 | 725 |
| 327 | Anthropology | 13 | 204 | 692 | 758 |
| 328 | Reproductive toxicology | 5 | 202 | 259 | 255 |
| 328 | Autoimmunity | 6 | 202 | 456 | 539 |
| 330 | Geochemistry | 2 | 201 | 2,021 | 1,285 |
| 330 | Infections | 4 | 201 | 843 | 814 |
| 332 | Rheumatology | 9 | 200 | 587 | 702 |
| 332 | Antibacterial agents | 11 | 200 | 235 | 429 |
| 334 | Radiology | 22 | 199 | 394 | 626 |
| 335 | Exercise | 5 | 196 | 1,131 | 825 |
| 336 | Clinical Immunology | 15 | 195 | 415 | 687 |
| 337 | Psychosomatic Medicine | 5 | 191 | 532 | 551 |
| 338 | Liquid chromatography | 24 | 190 | 48 | 115 |
| 339 | Drug design | 4 | 188 | 1,261 | 1,018 |
| 340 | Obesity | 10 | 186 | 933 | 1,327 |
| 340 | Protozoa | 3 | 186 | 408 | 246 |
| 342 | Informatics | 2 | 181 | 1,026 | 567 |
| 343 | Long-Term Care | 7 | 180 | 300 | 397 |
| 343 | Long-term care facilities | 7 | 180 | 297 | 395 |
| 345 | Neonatology | 3 | 177 | 574 | 299 |
| 346 | Computer Science | 12 | 176 | 940 | 1,057 |
| 347 | Neuropsychology | 9 | 174 | 1,221 | 1,420 |
| 347 | Pharmaceutical Technology | 4 | 174 | 1,296 | 1,108 |
| 347 | Emergency Medicine | 12 | 174 | 568 | 638 |
| 350 | Familial diseases | 5 | 173 | 103 | 83 |
| 351 | Electronics | 63 | 170 | 683 | 1,934 |
| 351 | synthesis | 11 | 170 | 483 | 454 |
| 353 | Bones | 7 | 165 | 429 | 634 |
| 354 | Microscopy | 8 | 163 | 810 | 731 |
| 355 | Fertilization | 2 | 162 | 83 | 48 |
| 355 | gametes | 2 | 162 | 83 | 48 |
| 357 | Electron Microscopy | 25 | 160 | 49 | 205 |
| 357 | Vision | 7 | 160 | 413 | 492 |
| 357 | Autoimmune diseases | 7 | 160 | 346 | 480 |
| 360 | Fiber Optics | 9 | 159 | 514 | 591 |
| 361 | Clinical Biochemistry | 9 | 158 | 586 | 729 |
| 361 | cell interaction | 6 | 158 | 660 | 871 |
| 363 | Animal breeding | 8 | 157 | 451 | 503 |
| 363 | Breeding | 8 | 157 | 673 | 849 |
| 365 | Ultrasonics | 4 | 155 | 1,055 | 1,061 |
| 366 | pain | 10 | 154 | 638 | 977 |
| 367 | transgenic organisms | 1 | 152 | 457 | 172 |
| 367 | transgenic animals | 1 | 152 | 446 | 169 |
| 367 | dietary supplements | 5 | 152 | 601 | 663 |
| 367 | Transgenic plants | 1 | 152 | 738 | 337 |
| 371 | Health | 7 | 150 | 1,291 | 1,364 |
| 372 | sanitation | 4 | 149 | 1,249 | 1,557 |
| 372 | Cell communication | 5 | 149 | 396 | 571 |
| 374 | Nursing | 8 | 148 | 1,176 | 1,084 |
| 375 | Quantum Gravity | 19 | 147 | 1,031 | 1,448 |
| 376 | Nephrology | 1 | 146 | 678 | 455 |
| 376 | locomotion | 6 | 146 | 413 | 482 |
| 376 | posture | 6 | 146 | 413 | 482 |
| 376 | Diet | 9 | 146 | 1,045 | 1,746 |
| 376 | gait | 6 | 146 | 413 | 482 |
| 376 | walking | 6 | 146 | 413 | 482 |
| 382 | Sarcopenia | 8 | 145 | 150 | 430 |
| 382 | Leukemia | 6 | 145 | 569 | 686 |
| 384 | Obstetrics | 11 | 143 | 1,073 | 1,389 |
| 385 | sports injuries | 3 | 142 | 543 | 308 |
| 386 | Computational Biology | 5 | 141 | 1,808 | 1,766 |
| 387 | Adolescent Medicine | 1 | 140 | 851 | 621 |
| 387 | Neurotransmitters | 3 | 140 | 326 | 339 |
| 389 | Graph Theory | 14 | 139 | 271 | 319 |
| 390 | Ultrasonography | 1 | 137 | 75 | 11 |
| 391 | Oligosaccharides | 14 | 134 | 49 | 165 |
| 391 | Meteorites | 1 | 134 | 1,106 | 831 |
| 393 | Autoantibodies | 5 | 133 | 380 | 494 |
| 393 | Light | 5 | 133 | 691 | 916 |
| 393 | Europe | 7 | 133 | 1,856 | 1,807 |
| 393 | Nitric oxide | 6 | 133 | 99 | 220 |
| 397 | Homeostasis | 1 | 132 | 612 | 751 |
| 398 | Frontotemporal lobar degeneration | 4 | 131 | 136 | 121 |
| 399 | Biopharmaceutics | 10 | 127 | 500 | 930 |
| 399 | Brachytherapy | 9 | 127 | 70 | 84 |
| 401 | occupational diseases | 6 | 124 | 474 | 664 |
| 402 | Geriatric Psychiatry | 9 | 123 | 463 | 733 |
| 402 | Asia | 14 | 123 | 1,153 | 1,711 |
| 404 | Information Systems | 9 | 122 | 718 | 1,106 |
| 405 | Occupational Health | 9 | 121 | 502 | 666 |
| 405 | Health Education | 3 | 121 | 1,717 | 1,272 |
| 405 | Ichthyology | 19 | 121 | 66 | 219 |
| 408 | Pharmacogenomics | 4 | 120 | 211 | 251 |
| 408 | Synchrotron Radiation | 7 | 120 | 190 | 217 |
| 410 | Electrical Engineering | 10 | 119 | 1,833 | 1,820 |
| 410 | molecular design | 7 | 119 | 126 | 191 |
| 412 | Pharmacokinetics | 8 | 117 | 411 | 765 |
| 413 | Patient education | 2 | 116 | 660 | 518 |
| 413 | Lipid metabolism | 4 | 116 | 314 | 430 |
| 413 | Bioinorganic chemistry | 7 | 116 | 942 | 1,170 |
| 413 | Water quality management | 11 | 116 | 887 | 1,363 |
| 413 | counseling | 2 | 116 | 1,486 | 916 |
| 413 | Lipid | 4 | 116 | 313 | 431 |
| 419 | Crystallography | 19 | 115 | 653 | 786 |
| 420 | Water Microbiology | 7 | 114 | 176 | 376 |
| 421 | preventive medicine | 6 | 113 | 750 | 1,001 |
| 422 | Cybernetics | 5 | 112 | 1,217 | 1,348 |
| 422 | Discrete Mathematics | 8 | 112 | 142 | 67 |
| 422 | graph | 8 | 112 | 142 | 67 |
| 422 | Combinatorial analysis | 12 | 112 | 497 | 527 |
| 426 | behavioral medicine | 8 | 110 | 698 | 1,317 |
| 426 | Molecular Imaging | 3 | 110 | 515 | 523 |
| 428 | Nonlinear Dynamics | 8 | 108 | 1,250 | 1,481 |
| 428 | Synaptic Transmission | 5 | 108 | 330 | 436 |
| 428 | Neuromuscular diseases | 6 | 108 | 386 | 491 |
| 428 | Culture techniques | 2 | 108 | 342 | 211 |
| 432 | alcohol | 5 | 107 | 37 | 33 |
| 433 | Quality Control | 7 | 106 | 1,076 | 1,535 |
| 434 | Respiratory system | 3 | 105 | 531 | 523 |
| 435 | Nutrition physiology | 1 | 102 | 1,171 | 697 |
| 435 | Malaria | 2 | 102 | 744 | 566 |
| 437 | Ecological Genetics | 5 | 101 | 470 | 441 |
| 437 | Ecophysiology | 4 | 101 | 152 | 174 |
| 437 | Combinatorial chemistry | 2 | 101 | 831 | 799 |
| 437 | Carbohydrates | 9 | 101 | 177 | 415 |
| 437 | Behavior | 9 | 101 | 1,708 | 2,848 |
| 442 | Organometallic chemistry | 10 | 100 | 1,214 | 1,619 |
| 442 | liver | 5 | 100 | 212 | 240 |
| 444 | Astrocytes | 3 | 98 | 416 | 581 |
| 445 | Radiation Oncology | 9 | 97 | 134 | 295 |
| 446 | Photochemistry | 10 | 96 | 904 | 1,510 |
| 447 | Radiation Protection | 16 | 94 | 143 | 288 |
| 448 | Palliative Care | 8 | 93 | 419 | 570 |
| 449 | Hydrology | 6 | 91 | 1,703 | 2,051 |
| 450 | Materials Science | 7 | 90 | 2,777 | 3,333 |
| 450 | animal diseases | 8 | 90 | 247 | 443 |
| 452 | disabilities | 5 | 89 | 501 | 604 |
| 453 | Optical materials | 4 | 88 | 2,140 | 2,403 |
| 454 | Geophysics | 2 | 87 | 3,277 | 2,722 |
| 454 | cell adhesion molecules | 1 | 87 | 387 | 373 |
| 454 | animals | 8 | 87 | 748 | 931 |
| 454 | movement | 1 | 87 | 651 | 383 |
| 458 | Marine invertebrates | 3 | 86 | 231 | 132 |
| 458 | Travel | 4 | 86 | 628 | 640 |
| 460 | biofuels | 1 | 85 | 484 | 501 |
| 461 | Dynamics | 10 | 84 | 905 | 1,238 |
| 461 | Oligosaccharide | 6 | 84 | 164 | 360 |
| 461 | Quantum theory | 10 | 84 | 561 | 841 |
| 464 | Environmental Management | 3 | 83 | 2,758 | 3,188 |
| 464 | human behavior | 7 | 83 | 1,495 | 2,705 |
| 466 | Mitochondria | 2 | 82 | 335 | 336 |
| 467 | complementary therapies | 4 | 81 | 1,436 | 1,600 |
| 468 | Health Policy | 4 | 80 | 1,685 | 1,798 |
| 468 | Nuclear Fusion | 4 | 80 | 463 | 439 |
| 470 | Chronobiology | 5 | 79 | 324 | 443 |
| 470 | Neuropsychiatry | 2 | 79 | 884 | 788 |
| 470 | Bioenergetics | 2 | 79 | 974 | 937 |
| 470 | biological clocks | 5 | 79 | 324 | 443 |
| 470 | Energy metabolism | 2 | 79 | 649 | 646 |
| 470 | circadian rhythm | 5 | 79 | 324 | 443 |
| 470 | cell membrane | 2 | 79 | 601 | 621 |
| 477 | Adipose tissue | 2 | 78 | 81 | 69 |
| 478 | Environmental Microbiology | 6 | 77 | 910 | 1,643 |
| 479 | Mathematics | 11 | 76 | 3,482 | 3,839 |
| 479 | Extracellular matrix | 2 | 76 | 289 | 351 |
| 479 | collagen | 2 | 76 | 310 | 362 |
| 482 | Evolutionary Genetics | 6 | 75 | 374 | 726 |
| 482 | Molecular Epidemiology | 6 | 75 | 374 | 726 |
| 482 | Electrocardiography | 12 | 75 | 92 | 219 |
| 482 | Condensed Matter | 4 | 75 | 2,342 | 2,377 |
| 486 | Medical Technology | 11 | 73 | 689 | 1,551 |
| 486 | Organometallic compounds | 7 | 73 | 903 | 1,273 |
| 488 | Morphology | 7 | 72 | 557 | 711 |
| 488 | Neurovirology | 1 | 72 | 406 | 237 |
| 488 | Antibodies | 9 | 72 | 272 | 548 |
| 488 | mammals | 8 | 72 | 580 | 896 |
| 492 | Schizophrenia | 5 | 71 | 685 | 1,015 |
| 493 | Clinical Trials | 9 | 70 | 204 | 395 |
| 493 | Cross-Cultural Studies | 3 | 70 | 732 | 734 |
| 493 | Pacific Islands | 6 | 70 | 146 | 194 |
| 493 | cross-cultural comparison | 3 | 70 | 532 | 506 |
| 493 | Extreme environments | 4 | 70 | 169 | 346 |
| 493 | vitamins | 2 | 70 | 165 | 219 |
| 499 | Sexual health | 4 | 68 | 570 | 597 |
| 499 | Photobiology | 6 | 68 | 946 | 1,477 |
| 501 | Cosmochemistry | 1 | 67 | 1,254 | 1,001 |
| 501 | Communication in medicine | 1 | 67 | 883 | 548 |
| 501 | Communication | 1 | 67 | 2,941 | 1,955 |
| 501 | miniaturization | 1 | 67 | 2,437 | 1,964 |
| 505 | Otolaryngology | 5 | 65 | 354 | 481 |
| 505 | hydrocolloids | 1 | 65 | 986 | 1,050 |
| 507 | Artificial Intelligence | 4 | 64 | 3,051 | 3,330 |
| 507 | Building Materials | 1 | 64 | 2,208 | 2,029 |
| 507 | Human evolution | 1 | 64 | 646 | 586 |
| 510 | Sociology | 4 | 63 | 2,584 | 2,732 |
| 510 | Animal Behavior | 5 | 63 | 1,359 | 1,958 |
| 510 | radiation monitoring | 11 | 63 | 182 | 365 |
| 510 | Medical Anthropology | 4 | 63 | 996 | 1,507 |
| 510 | Marine Pollution | 5 | 63 | 921 | 1,526 |
| 510 | isomerism | 6 | 63 | 172 | 315 |
| 510 | Chirality | 6 | 63 | 172 | 315 |
| 517 | Marine Ecology | 4 | 61 | 673 | 791 |
| 517 | RNA | 2 | 61 | 576 | 659 |
| 519 | soil microbiology | 5 | 59 | 1,066 | 1,986 |
| 520 | Cardiovascular Pharmacology | 2 | 58 | 321 | 346 |
| 520 | cardiac catheterization | 6 | 58 | 398 | 491 |
| 520 | polymerization | 5 | 58 | 2,744 | 3,177 |
| 520 | Protein engineering | 4 | 58 | 174 | 290 |
| 520 | Chronic diseases | 2 | 58 | 673 | 772 |
| 525 | biological rhythms | 3 | 57 | 468 | 544 |
| 525 | hygiene | 2 | 57 | 641 | 636 |
| 527 | Physical fitness | 1 | 56 | 1,541 | 1,216 |
| 527 | Parkinson's disease | 1 | 56 | 420 | 357 |
| 527 | catalytic activity | 2 | 56 | 795 | 865 |
| 530 | rare diseases | 3 | 55 | 545 | 659 |
| 531 | Population Genetics | 4 | 54 | 984 | 1,498 |
| 531 | Microbial Biotechnology | 4 | 54 | 865 | 1,378 |
| 531 | Circadian rhythms | 2 | 54 | 478 | 500 |
| 531 | Molecular ecology | 3 | 54 | 957 | 1,511 |
| 535 | Lung Transplantation | 1 | 52 | 486 | 409 |
| 535 | Solid State Chemistry | 5 | 52 | 2,034 | 2,447 |
| 535 | Heart transplantation | 1 | 52 | 486 | 409 |
| 535 | Plant diseases | 4 | 52 | 1,633 | 1,908 |
| 535 | freshwater biology | 4 | 52 | 771 | 1,102 |
| 540 | Ergonomics | 3 | 51 | 885 | 973 |
| 541 | Soil Science | 4 | 50 | 1,591 | 2,154 |
| 541 | Soft Condensed Matter | 2 | 50 | 1,201 | 1,246 |
| 541 | Biometrics | 5 | 50 | 768 | 1,012 |
| 541 | biopolymers | 2 | 50 | 1,312 | 1,378 |
| 545 | Microcirculation | 8 | 49 | 223 | 598 |
| 545 | fuel cells | 1 | 49 | 1,691 | 1,573 |
| 545 | DNA | 6 | 49 | 362 | 727 |
| 548 | Developmental Genetics | 3 | 48 | 423 | 707 |
| 548 | drug resistance | 5 | 48 | 483 | 995 |
| 548 | Drug delivery systems | 2 | 48 | 1,762 | 1,916 |
| 548 | Gene expression regulation | 2 | 48 | 1,057 | 1,116 |
| 548 | calcification | 2 | 48 | 553 | 645 |
| 548 | Hearing | 3 | 48 | 635 | 728 |
| 554 | Education | 2 | 47 | 3,907 | 3,187 |
| 554 | Language Disorders | 3 | 47 | 792 | 895 |
| 554 | Solid State Physics | 5 | 47 | 2,796 | 3,256 |
| 554 | epilepsy | 3 | 47 | 824 | 990 |
| 554 | Histocompatibility Testing | 5 | 47 | 306 | 566 |
| 554 | Speech Disorders | 3 | 47 | 912 | 1,059 |
| 554 | Cardiac rehabilitation | 3 | 47 | 83 | 157 |
| 561 | Liquid Crystals | 8 | 46 | 543 | 721 |
| 561 | Multiple sclerosis | 1 | 46 | 878 | 570 |
| 563 | sexual behavior | 1 | 45 | 1,084 | 891 |
| 564 | Analytical Toxicology | 4 | 44 | 158 | 308 |
| 564 | Radiochemistry | 9 | 44 | 509 | 908 |
| 564 | Electrochemistry | 5 | 44 | 2,778 | 3,274 |
| 564 | curriculum evaluation | 1 | 44 | 702 | 517 |
| 564 | Quality of life | 3 | 44 | 1,380 | 1,926 |
| 564 | Jurisprudence | 2 | 44 | 1,069 | 940 |
| 570 | Enzyme | 1 | 43 | 898 | 901 |
| 570 | biological agents | 12 | 43 | 214 | 373 |
| 570 | Radiation dosimetry | 7 | 43 | 210 | 387 |
| 570 | Cerebral cortex | 1 | 43 | 1,172 | 1,144 |
| 574 | Heterocyclic chemistry | 7 | 42 | 254 | 493 |
| 574 | Structural biology | 2 | 42 | 79 | 179 |
| 576 | General Surgery | 4 | 41 | 406 | 517 |
| 576 | Holistic Health | 1 | 41 | 894 | 569 |
| 576 | viral genetics | 1 | 41 | 406 | 569 |
| 576 | allied health | 1 | 41 | 496 | 377 |
| 580 | Social Sciences | 3 | 40 | 3,379 | 3,313 |
| 580 | Waste management | 5 | 40 | 1,088 | 1,742 |
| 580 | Water Purification | 5 | 40 | 892 | 1,430 |
| 580 | Family Therapy | 1 | 40 | 1,149 | 839 |
| 580 | child mental health | 1 | 40 | 794 | 632 |
| 580 | China | 3 | 40 | 2,686 | 3,096 |
| 580 | Insects | 5 | 40 | 1,116 | 1,538 |
| 580 | Pancreatic diseases | 4 | 40 | 268 | 428 |
| 588 | Nuclear Energy | 5 | 39 | 734 | 1,011 |
| 588 | Biodegradation | 2 | 39 | 958 | 1,273 |
| 588 | exobiology | 1 | 39 | 473 | 484 |
| 588 | Electroconvulsive therapy | 2 | 39 | 139 | 158 |
| 588 | Fouling | 2 | 39 | 297 | 451 |
| 593 | Infertility | 2 | 38 | 825 | 1,100 |
| 593 | Speech | 2 | 38 | 1,014 | 1,139 |
| 593 | fertility | 2 | 38 | 909 | 1,162 |
| 596 | Robotics | 5 | 37 | 1,358 | 1,951 |
| 596 | Andrology | 2 | 37 | 663 | 774 |
| 596 | Hematopoietic stem cell transplantation | 1 | 37 | 646 | 689 |
| 596 | Cell cycle | 1 | 37 | 507 | 478 |
| 596 | cell proliferation | 1 | 37 | 542 | 501 |
| 596 | Insect biochemistry | 3 | 37 | 453 | 709 |
| 602 | Fishery management | 4 | 36 | 707 | 1,056 |
| 602 | hospice care | 3 | 36 | 508 | 682 |
| 604 | Occupational Therapy | 7 | 35 | 602 | 947 |
| 604 | cosmetics | 1 | 35 | 345 | 289 |
| 606 | System analysis | 5 | 34 | 1,886 | 2,787 |
| 606 | Blood vessels | 5 | 34 | 244 | 611 |
| 606 | Gene library | 1 | 34 | 165 | 208 |
| 606 | Endocrine system | 7 | 34 | 396 | 413 |
| 610 | Humanities | 1 | 33 | 3,129 | 2,008 |
| 610 | Veterinary Pathology | 4 | 33 | 313 | 433 |
| 610 | Conservation Biology | 2 | 33 | 1,312 | 1,539 |
| 610 | Wildlife conservation | 1 | 33 | 1,560 | 1,611 |
| 610 | Human biology | 3 | 33 | 633 | 833 |
| 610 | Grasslands | 2 | 33 | 83 | 67 |
| 616 | Agricultural Ecology | 3 | 32 | 1,011 | 1,722 |
| 617 | Acoustics | 2 | 31 | 443 | 346 |
| 617 | Sound | 2 | 31 | 1,243 | 1,185 |
| 617 | Adolescent | 4 | 31 | 1,690 | 2,416 |
| 617 | Hazardous waste | 2 | 31 | 1,184 | 1,835 |
| 617 | Primates | 2 | 31 | 824 | 927 |
| 622 | Surface-Active Agents | 2 | 30 | 1,365 | 1,910 |
| 622 | Surface properties | 2 | 30 | 1,415 | 1,957 |
| 622 | Statistical models | 1 | 30 | 205 | 160 |
| 625 | Metastasis | 1 | 29 | 326 | 522 |
| 625 | Ethnology | 4 | 29 | 1,276 | 1,675 |
| 625 | Pituitary gland | 1 | 29 | 309 | 324 |
| 628 | Functional Analysis | 1 | 28 | 1,897 | 1,527 |
| 628 | Nuclear Chemistry | 7 | 28 | 688 | 1,224 |
| 628 | mutation | 1 | 28 | 839 | 962 |
| 628 | Magnetic Materials | 1 | 28 | 2,006 | 1,880 |
| 628 | Raman spectroscopy | 2 | 28 | 993 | 1,247 |
| 628 | Gerontology | 10 | 28 | 983 | 2,101 |
| 628 | Infrared spectroscopy | 2 | 28 | 430 | 648 |
| 628 | actuators | 1 | 28 | 2,751 | 2,872 |
| 628 | Cerebellum | 1 | 28 | 504 | 500 |
| 628 | transducers | 1 | 28 | 2,751 | 2,872 |
| 628 | Cognition | 1 | 28 | 2,244 | 2,094 |
| 628 | Cerebellar ataxia | 1 | 28 | 504 | 500 |
| 628 | Muscle contraction | 2 | 28 | 462 | 315 |
| 641 | Plant Biotechnology | 5 | 27 | 536 | 1,232 |
| 641 | Genetic translocation | 3 | 27 | 199 | 373 |
| 641 | Behavioral research | 2 | 27 | 814 | 938 |
| 641 | monoclonal antibodies | 1 | 27 | 480 | 403 |
| 641 | Chemical analysis | 6 | 27 | 782 | 1,690 |
| 641 | plasmids | 3 | 27 | 199 | 373 |
| 641 | Fish | 1 | 27 | 667 | 528 |
| 648 | Laser-plasma interactions | 3 | 26 | 73 | 102 |
| 648 | X-rays | 1 | 26 | 866 | 693 |
| 648 | Plasma density | 3 | 26 | 73 | 102 |
| 648 | Autism | 2 | 26 | 755 | 1,134 |
| 648 | Agriculture | 3 | 26 | 2,064 | 2,776 |
| 653 | Engineering | 2 | 25 | 4,421 | 4,577 |
| 653 | Freeze-Drying | 3 | 25 | 355 | 677 |
| 653 | Substance Abuse | 3 | 25 | 1,259 | 1,788 |
| 653 | Hypothermia | 3 | 25 | 355 | 677 |
| 653 | Freeze Drying | 3 | 25 | 355 | 677 |
| 653 | drug addiction | 3 | 25 | 949 | 1,544 |
| 653 | alcoholism | 3 | 25 | 1,239 | 1,859 |
| 653 | plant communities | 1 | 25 | 1,463 | 1,694 |
| 653 | cycles | 3 | 25 | 156 | 199 |
| 653 | Plant cells | 1 | 25 | 1,355 | 1,764 |
| 663 | Geology | 1 | 24 | 3,356 | 3,153 |
| 663 | Developmental Toxicology | 3 | 24 | 41 | 134 |
| 663 | Animal health | 2 | 24 | 606 | 650 |
| 663 | Infection control | 5 | 24 | 189 | 746 |
| 663 | Bioinformatics | 2 | 24 | 2,169 | 2,579 |
| 663 | sleep-wake cycle | 7 | 24 | 37 | 192 |
| 663 | Invertebrates | 2 | 24 | 757 | 1,033 |
| 663 | teratogens | 3 | 24 | 41 | 134 |
| 663 | Thorax | 2 | 24 | 426 | 680 |
| 663 | Marine algae | 1 | 24 | 253 | 254 |
| 673 | Research Design | 5 | 23 | 823 | 1,678 |
| 673 | Metabolic syndrome | 1 | 23 | 572 | 644 |
| 673 | Molecular Spectroscopy | 2 | 23 | 2,074 | 2,467 |
| 673 | monitoring | 5 | 23 | 159 | 433 |
| 677 | Mechanical Engineering | 3 | 22 | 2,323 | 2,642 |
| 677 | Global Health | 1 | 22 | 1,742 | 1,674 |
| 677 | Emergency Medical Services | 1 | 22 | 1,059 | 1,026 |
| 677 | Mechatronics | 3 | 22 | 897 | 1,455 |
| 677 | Tribology | 3 | 22 | 1,128 | 1,595 |
| 677 | Production Engineering | 3 | 22 | 1,887 | 2,473 |
| 677 | vibration | 3 | 22 | 1,154 | 1,676 |
| 677 | Drug delivery devices | 1 | 22 | 479 | 710 |
| 677 | Osteoporosis | 1 | 22 | 613 | 645 |
| 677 | Bone diseases | 1 | 22 | 738 | 833 |
| 677 | Pathogens | 1 | 22 | 248 | 307 |
| 677 | periodicity | 2 | 22 | 62 | 53 |
| 677 | Decision making | 2 | 22 | 1,729 | 2,191 |
| 690 | Environmental Chemistry | 3 | 21 | 2,056 | 3,184 |
| 690 | Genetic disorders | 1 | 21 | 576 | 662 |
| 690 | pain management | 4 | 21 | 477 | 916 |
| 690 | X-ray crystallography | 2 | 21 | 604 | 698 |
| 690 | medical education | 4 | 21 | 1,383 | 2,290 |
| 690 | scientific societies | 1 | 21 | 1,160 | 1,230 |
| 690 | biomedicine | 5 | 21 | 322 | 1,080 |
| 690 | Entomology | 6 | 21 | 1,633 | 2,679 |
| 698 | Mental Health | 1 | 20 | 2,311 | 2,272 |
| 698 | Health Physics | 4 | 20 | 113 | 274 |
| 698 | Computer-Aided Design | 2 | 20 | 1,457 | 1,830 |
| 698 | Smoking | 2 | 20 | 828 | 1,255 |
| 698 | Pesticides | 2 | 20 | 835 | 1,245 |
| 698 | radioactive waste | 1 | 20 | 1,354 | 1,890 |
| 698 | industrial waste | 1 | 20 | 1,404 | 1,901 |
| 698 | Zoonoses | 2 | 20 | 379 | 704 |
| 706 | Clinical Laboratory Science | 2 | 19 | 282 | 401 |
| 706 | Optoelectronics | 5 | 19 | 373 | 709 |
| 706 | medical errors | 1 | 19 | 114 | 148 |
| 706 | Fish diseases | 1 | 19 | 223 | 279 |
| 706 | safety | 1 | 19 | 147 | 193 |
| 706 | Aquatic animals | 1 | 19 | 385 | 436 |
| 706 | shellfish | 4 | 19 | 122 | 324 |
| 706 | Atomic spectroscopy | 3 | 19 | 1,098 | 1,559 |
| 706 | software | 5 | 19 | 781 | 1,837 |
| 706 | Coronary heart disease | 2 | 19 | 289 | 352 |
| 716 | cosmic rays | 3 | 18 | 425 | 698 |
| 716 | Sonochemistry | 3 | 18 | 666 | 1,567 |
| 716 | drug toxicity | 2 | 18 | 635 | 1,197 |
| 719 | Archaeology | 2 | 17 | 1,408 | 1,587 |
| 719 | Climatology | 1 | 17 | 2,378 | 2,592 |
| 719 | Ethics | 1 | 17 | 1,540 | 1,493 |
| 719 | Psycholinguistics | 1 | 17 | 1,328 | 1,439 |
| 719 | Anti-inflammatory agents | 2 | 17 | 332 | 662 |
| 719 | Medical Ethics | 1 | 17 | 1,649 | 1,593 |
| 719 | bioclimatology | 1 | 17 | 1,610 | 1,796 |
| 719 | Quantum Optics | 1 | 17 | 1,283 | 1,275 |
| 719 | Climate | 1 | 17 | 1,041 | 1,290 |
| 719 | weather | 1 | 17 | 1,015 | 1,266 |
| 719 | Laser Spectroscopy | 1 | 17 | 1,221 | 1,222 |
| 730 | Geomorphology | 1 | 16 | 1,867 | 2,227 |
| 730 | Environmental Geology | 1 | 16 | 2,351 | 2,601 |
| 730 | Agricultural Microbiology | 4 | 16 | 51 | 103 |
| 730 | Animal ecology | 1 | 16 | 1,580 | 1,716 |
| 730 | Nanoparticles | 2 | 16 | 2,112 | 2,780 |
| 730 | Entropy | 1 | 16 | 1,936 | 1,901 |
| 730 | Bacterial diseases | 1 | 16 | 522 | 704 |
| 737 | Neuroimaging | 1 | 15 | 454 | 512 |
| 737 | Biochemical Genetics | 1 | 15 | 877 | 760 |
| 737 | Bioethics | 3 | 15 | 898 | 1,410 |
| 737 | Cytoskeleton | 1 | 15 | 436 | 598 |
| 737 | Taste | 1 | 15 | 588 | 750 |
| 737 | flavor | 1 | 15 | 411 | 586 |
| 737 | smell | 1 | 15 | 588 | 750 |
| 737 | Allergy | 1 | 15 | 1,241 | 1,506 |
| 737 | mental processes | 1 | 15 | 607 | 617 |
| 737 | Synapses | 1 | 15 | 432 | 589 |
| 737 | Fluorescence | 2 | 15 | 647 | 958 |
| 737 | Influenza | 2 | 15 | 282 | 562 |
| 749 | Community Psychiatry | 2 | 14 | 1,070 | 1,767 |
| 749 | radiative transfer | 3 | 14 | 620 | 967 |
| 749 | Evidence-Based Medicine | 1 | 14 | 1,234 | 1,443 |
| 749 | Laser therapy | 1 | 14 | 747 | 803 |
| 749 | nuclear magnetic resonance | 3 | 14 | 923 | 1,280 |
| 749 | ovary | 2 | 14 | 254 | 576 |
| 749 | Crystal growth | 2 | 14 | 1,246 | 1,735 |
| 749 | Psychiatric Epidemiology | 2 | 14 | 567 | 1,165 |
| 749 | Brain damage | 1 | 14 | 647 | 798 |
| 749 | wildlife diseases | 2 | 14 | 215 | 377 |
| 759 | Public Policy | 2 | 13 | 1,976 | 2,966 |
| 759 | Psychoneuroimmunology | 1 | 13 | 871 | 1,202 |
| 759 | Metallurgy | 1 | 13 | 2,746 | 2,751 |
| 759 | Occupational exposure | 1 | 13 | 109 | 120 |
| 759 | Neuroimmunology | 1 | 13 | 967 | 1,315 |
| 759 | Mass Spectrometry | 3 | 13 | 1,065 | 1,731 |
| 759 | visualization | 5 | 13 | 1,067 | 1,563 |
| 766 | Sustainable Development | 1 | 12 | 3,134 | 3,706 |
| 766 | Marine biodiversity | 2 | 12 | 275 | 450 |
| 766 | Antiviral agents | 1 | 12 | 426 | 591 |
| 766 | eye | 1 | 12 | 343 | 541 |
| 766 | immunoassay | 2 | 12 | 273 | 508 |
| 766 | Trace elements | 1 | 12 | 535 | 837 |
| 772 | Paleontology | 2 | 11 | 1,396 | 1,837 |
| 772 | Pediatric Endocrinology | 1 | 11 | 548 | 577 |
| 772 | Supramolecular chemistry | 1 | 11 | 516 | 570 |
| 772 | Mental Health Services | 1 | 11 | 1,695 | 2,037 |
| 772 | Randomized Controlled Trials | 1 | 11 | 1,394 | 1,624 |
| 772 | Biological productivity | 1 | 11 | 76 | 76 |
| 772 | Paleopathology | 2 | 11 | 400 | 585 |
| 772 | Metabolic disorders in children | 1 | 11 | 519 | 549 |
| 772 | Criminal investigation | 1 | 11 | 349 | 432 |
| 781 | Audiology | 1 | 10 | 1,023 | 1,185 |
| 781 | Sustainable agriculture | 1 | 10 | 1,288 | 1,650 |
| 781 | Cardiac electrophysiology | 1 | 10 | 378 | 534 |
| 781 | arrhythmia | 1 | 10 | 378 | 534 |
| 781 | plankton | 2 | 10 | 257 | 530 |
| 786 | Speech-Language Pathology | 1 | 9 | 533 | 715 |
| 786 | Thermodynamics | 1 | 9 | 1,898 | 1,963 |
| 786 | speech therapy | 1 | 9 | 622 | 733 |
| 786 | Thermochemistry | 1 | 9 | 772 | 990 |
| 786 | Ethology | 1 | 9 | 1,889 | 2,434 |
| 786 | Developmental Neurobiology | 2 | 9 | 682 | 1,104 |
| 786 | nuclear magnetic resonance spectroscopy | 2 | 9 | 841 | 1,192 |
| 786 | Health promotion | 1 | 9 | 1,740 | 2,022 |
| 786 | eugenics | 2 | 9 | 665 | 1,257 |
| 795 | Asthma | 1 | 8 | 976 | 1,249 |
| 795 | Ocular Motility Disorders | 2 | 8 | 22 | 22 |
| 795 | Genetic variation | 1 | 8 | 257 | 451 |
| 795 | blood transfusion | 1 | 8 | 814 | 1,003 |
| 795 | food handling | 1 | 8 | 1,522 | 2,150 |
| 795 | behavior modification | 1 | 8 | 583 | 841 |
| 795 | Minority Health | 1 | 8 | 211 | 318 |
| 795 | behavior therapy | 1 | 8 | 1,137 | 1,444 |
| 795 | Phylogeny | 1 | 8 | 1,293 | 1,793 |
| 795 | Pregnancy | 1 | 8 | 1,305 | 1,729 |
| 805 | Food Science | 2 | 7 | 305 | 760 |
| 805 | Green Chemistry | 1 | 7 | 2,235 | 2,920 |
| 805 | Emergency Nursing | 1 | 7 | 293 | 460 |
| 805 | Oxidative stress | 1 | 7 | 1,292 | 1,935 |
| 805 | Phylogenetics | 2 | 7 | 128 | 362 |
| 805 | Cell survival | 1 | 7 | 444 | 791 |
| 805 | heredity | 1 | 7 | 1,015 | 1,318 |
| 805 | molecular chaperones | 1 | 7 | 500 | 804 |
| 805 | Mollusks | 1 | 7 | 470 | 553 |
| 814 | Computer Vision | 1 | 6 | 1,679 | 2,084 |
| 814 | Image Processing | 1 | 6 | 2,799 | 3,311 |
| 814 | Erectile dysfunction | 1 | 6 | 410 | 598 |
| 814 | Integrative Medicine | 1 | 6 | 535 | 744 |
| 814 | Nanostructures | 1 | 6 | 2,681 | 3,220 |
| 814 | Interferons | 1 | 6 | 483 | 720 |
| 814 | Cardiopulmonary Resuscitation | 1 | 6 | 318 | 382 |
| 814 | cardiac arrest | 1 | 6 | 318 | 382 |
| 814 | polar regions | 1 | 6 | 951 | 1,275 |
| 814 | clay | 2 | 6 | 998 | 1,835 |
| 814 | Antarctica | 1 | 6 | 873 | 1,110 |
| 814 | Safety management | 1 | 6 | 1,185 | 1,621 |
| 814 | body temperature | 1 | 6 | 1,000 | 1,467 |
| 814 | nanoscience | 1 | 6 | 3,449 | 4,083 |
| 814 | disease outbreaks | 1 | 6 | 764 | 1,140 |
| 814 | Epidemics | 1 | 6 | 723 | 1,092 |
| 814 | Cytokine | 1 | 6 | 629 | 984 |
| 814 | fusion reactors | 2 | 6 | 488 | 741 |
| 814 | Menopause | 1 | 6 | 523 | 767 |
| 833 | Economics | 2 | 5 | 3,897 | 4,892 |
| 833 | Agricultural Biotechnology | 4 | 5 | 234 | 725 |
| 833 | Radiopharmaceuticals | 3 | 5 | 286 | 617 |
| 833 | Magnetic Resonance Spectroscopy | 1 | 5 | 1,474 | 1,810 |
| 833 | Elderly | 6 | 5 | 804 | 1,668 |
| 833 | Luminescence | 1 | 5 | 1,983 | 2,486 |
| 833 | older people | 6 | 5 | 1,046 | 2,402 |
| 833 | bioluminescence | 1 | 5 | 730 | 1,071 |
| 833 | nucleotides | 1 | 5 | 561 | 701 |
| 833 | bats | 1 | 5 | 246 | 431 |
| 833 | Forest genetics | 4 | 5 | 213 | 736 |
| 833 | gene transfer | 1 | 5 | 461 | 712 |
| 833 | genetic transformation | 1 | 5 | 461 | 712 |
| 846 | Radiologic Technology | 2 | 4 | 165 | 399 |
| 846 | Neurogenetics | 1 | 4 | 585 | 823 |
| 846 | Freshwater Ecology | 1 | 4 | 584 | 918 |
| 846 | Algebra | 1 | 4 | 2,008 | 2,041 |
| 846 | Kinetics | 2 | 4 | 638 | 1,330 |
| 846 | Interventional Radiology | 2 | 4 | 165 | 399 |
| 846 | Pediatric Ophthalmology | 1 | 4 | 108 | 159 |
| 846 | Number Theory | 1 | 4 | 1,277 | 1,458 |
| 846 | health services accessibility | 1 | 4 | 1,468 | 2,084 |
| 846 | Multivariate Analysis | 1 | 4 | 881 | 1,160 |
| 846 | X-ray spectroscopy | 1 | 4 | 368 | 567 |
| 846 | Feasibility studies | 1 | 4 | 445 | 637 |
| 846 | global environmental change | 1 | 4 | 1,254 | 1,972 |
| 846 | Interventional Radiography | 2 | 4 | 165 | 399 |
| 846 | Strabismus | 1 | 4 | 108 | 159 |
| 846 | Endoscopic Surgery | 2 | 4 | 165 | 399 |
| 846 | Sulfur | 1 | 4 | 249 | 427 |
| 846 | nuclear power | 1 | 4 | 760 | 923 |
| 846 | toxicity testing | 2 | 4 | 816 | 1,675 |
| 846 | North America | 1 | 4 | 1,361 | 1,803 |
| 846 | Microwaves | 5 | 4 | 1,046 | 2,048 |
| 846 | Yeast | 1 | 4 | 694 | 1,023 |
| 846 | Information Science | 1 | 4 | 3,515 | 4,316 |
| 846 | environmental issues | 1 | 4 | 801 | 1,353 |
| 870 | Ceramics | 1 | 3 | 2,073 | 2,553 |
| 870 | Animal Nutrition | 1 | 3 | 868 | 1,303 |
| 870 | Signal Processing | 1 | 3 | 3,036 | 3,743 |
| 870 | Human-Computer Interaction | 1 | 3 | 2,344 | 3,255 |
| 870 | Online social networks | 1 | 3 | 635 | 1,092 |
| 870 | Simulation Methods | 1 | 3 | 1,747 | 2,313 |
| 870 | embryonic development | 1 | 3 | 663 | 1,014 |
| 870 | mental health promotion | 1 | 3 | 293 | 538 |
| 870 | Digital humanities | 1 | 3 | 226 | 416 |
| 870 | Solitons | 1 | 3 | 1,866 | 2,435 |
| 870 | Fractals | 1 | 3 | 1,876 | 2,440 |
| 870 | Chaos | 1 | 3 | 1,866 | 2,435 |
| 870 | sociological factors | 1 | 3 | 73 | 95 |
| 870 | Telecommunication | 7 | 3 | 1,736 | 3,997 |
| 870 | musculoskeletal system | 1 | 3 | 274 | 485 |
| 870 | Glass | 1 | 3 | 1,505 | 2,055 |
| 870 | human development | 1 | 3 | 1,245 | 1,875 |
| 870 | internet | 1 | 3 | 2,348 | 3,064 |
| 870 | chromatin | 1 | 3 | 270 | 521 |
| 870 | pottery | 1 | 3 | 1,437 | 1,976 |
| 870 | child abuse | 1 | 3 | 1,231 | 1,882 |
| 870 | India | 2 | 3 | 1,916 | 3,032 |
| 870 | Egypt | 2 | 3 | 745 | 1,846 |
| 870 | Marine mammals | 1 | 3 | 401 | 604 |
| 894 | Genetic Counseling | 1 | 2 | 345 | 588 |
| 894 | Geometry | 2 | 2 | 1,371 | 1,938 |
| 894 | Social Psychology | 1 | 2 | 2,992 | 3,884 |
| 894 | Cognitive Science | 1 | 2 | 2,288 | 3,237 |
| 894 | poverty | 1 | 2 | 804 | 1,412 |
| 894 | healthcare disparities | 1 | 2 | 834 | 1,400 |
| 894 | Socioeconomic Factors | 1 | 2 | 1,310 | 2,159 |
| 894 | Developmental Disabilities | 1 | 2 | 1,383 | 2,078 |
| 894 | Southeast Asia | 2 | 2 | 497 | 1,144 |
| 894 | drug development | 1 | 2 | 1,333 | 2,042 |
| 894 | Birds | 2 | 2 | 1,254 | 1,992 |
| 894 | mathematical analysis | 3 | 2 | 2,357 | 3,468 |
| 906 | Philosophy | 1 | 1 | 2,074 | 2,240 |
| 906 | Special Education | 1 | 1 | 1,260 | 1,756 |
| 906 | Photography | 1 | 1 | 1,556 | 1,738 |
| 906 | Health Services Research | 2 | 1 | 1,756 | 3,306 |
| 906 | Cosmology | 1 | 1 | 947 | 1,294 |
| 906 | Educational Psychology | 1 | 1 | 2,057 | 2,941 |
| 906 | Pediatric Rheumatology | 1 | 1 | 397 | 674 |
| 906 | emergency management | 2 | 1 | 849 | 1,965 |
| 906 | nuclear astrophysics | 1 | 1 | 744 | 1,046 |
| 906 | Radiotherapy | 2 | 1 | 336 | 451 |
| 906 | Primary health care | 1 | 1 | 2,365 | 3,453 |
| 906 | Teaching | 1 | 1 | 2,642 | 3,614 |
| 906 | Learning | 1 | 1 | 1,742 | 2,603 |
| 906 | Methodology | 2 | 1 | 694 | 1,581 |
| 906 | livestock | 1 | 1 | 775 | 1,191 |
| 906 | Methods | 2 | 1 | 151 | 405 |
| 906 | Population | 1 | 1 | 1,411 | 2,183 |
| 906 | finance | 1 | 1 | 3,109 | 3,875 |
| 906 | Structure-activity relationship | 3 | 1 | 228 | 927 |
| 906 | health planning | 1 | 1 | 3,121 | 4,245 |
| 906 | extraterrestrial environment | 1 | 1 | 952 | 1,421 |
| 906 | natural disasters | 2 | 1 | 1,595 | 2,920 |
| 906 | Ireland | 1 | 1 | 355 | 570 |
| 906 | Radiation effects | 1 | 1 | 1,076 | 1,692 |
| 930 | Literature | 1 | 0 | 1,224 | 1,294 |
| 930 | Law | 1 | 0 | 1,854 | 2,479 |
| 930 | Geriatric Nursing | 1 | 0 | 956 | 1,585 |
| 930 | Economic History | 1 | 0 | 4,087 | 5,172 |
| 930 | Industrial Safety | 1 | 0 | 1,887 | 2,841 |
| 930 | Operations Research | 1 | 0 | 2,843 | 3,712 |
| 930 | Combinatorial optimization | 1 | 0 | 966 | 1,445 |
| 930 | Biodiversity conservation | 1 | 0 | 2,075 | 2,949 |
| 930 | Vaccination | 1 | 0 | 450 | 867 |
| 930 | acupuncture | 2 | 0 | 277 | 682 |
| 930 | Health insurance | 1 | 0 | 724 | 1,414 |
| 930 | management | 1 | 0 | 4,288 | 5,536 |
| 930 | Microstructure | 1 | 0 | 1,535 | 2,114 |
| 930 | Dementia | 2 | 0 | 1,359 | 2,015 |
| 930 | Alzheimer's disease | 2 | 0 | 1,376 | 2,046 |