| 1 | Medicine | 916 | 70.0K | 15 | 19 |
| 2 | Biochemistry | 1,146 | 56.1K | 27 | 53 |
| 3 | Neurology | 773 | 49.0K | 33 | 90 |
| 4 | Science | 553 | 37.9K | 55 | 367 |
| 5 | Pediatrics | 549 | 33.7K | 28 | 25 |
| 6 | Biology | 441 | 31.9K | 152 | 514 |
| 7 | Molecular Biology | 453 | 31.1K | 60 | 166 |
| 8 | Cell Biology | 323 | 28.6K | 36 | 171 |
| 9 | Physiology | 579 | 26.1K | 5 | 11 |
| 10 | Cytology | 230 | 25.4K | 111 | 205 |
| 11 | Research | 531 | 24.7K | 8 | 19 |
| 12 | Microbiology | 256 | 19.1K | 208 | 230 |
| 13 | Immunology | 230 | 18.4K | 83 | 104 |
| 14 | Surgery | 59 | 17.5K | 131 | 16 |
| 15 | Biophysics | 457 | 17.4K | 11 | 25 |
| 16 | Virology | 201 | 16.7K | 82 | 221 |
| 17 | Physics | 126 | 15.4K | 1283 | 1201 |
| 18 | Pharmacology | 358 | 15.2K | 55 | 50 |
| 19 | Toxicology | 327 | 14.3K | 21 | 19 |
| 20 | pain | 70 | 13.0K | 40 | 10 |
| 21 | Natural history | 93 | 12.9K | 199 | 835 |
| 22 | Environmental Health | 195 | 12.2K | 120 | 118 |
| 23 | Neurophysiology | 147 | 12.1K | 166 | 163 |
| 24 | Hematology | 220 | 11.9K | 93 | 82 |
| 25 | Endocrinology | 221 | 10.1K | 41 | 131 |
| 26 | Genetics | 131 | 9.8K | 204 | 343 |
| 27 | Environment | 135 | 9.2K | 110 | 196 |
| 28 | Cardiovascular system | 145 | 8.4K | 3 | 26 |
| 29 | Geriatrics | 199 | 8.2K | 18 | 62 |
| 30 | Medical Microbiology | 99 | 7.7K | 66 | 43 |
| 31 | Brain | 150 | 7.2K | 66 | 118 |
| 32 | Bacteriology | 88 | 6.9K | 78 | 86 |
| 33 | United States | 203 | 6.3K | 35 | 63 |
| 34 | Neurobiology | 87 | 6.3K | 59 | 102 |
| 35 | Obstetrics | 226 | 6.0K | 62 | 93 |
| 36 | Neurochemistry | 101 | 6.0K | 75 | 91 |
| 37 | Immunity | 24 | 5.8K | 567 | 320 |
| 38 | Environmental Toxicology | 66 | 5.8K | 59 | 43 |
| 39 | Psychiatry | 131 | 5.7K | 322 | 524 |
| 40 | Nervous system | 72 | 5.4K | 134 | 171 |
| 41 | drug therapy | 116 | 5.4K | 58 | 51 |
| 42 | Membranes | 120 | 5.4K | 20 | 60 |
| 43 | Developmental Biology | 56 | 5.2K | 295 | 262 |
| 44 | Adolescent Medicine | 62 | 5.1K | 15 | 11 |
| 45 | Therapeutics | 92 | 4.9K | 20 | 42 |
| 46 | Hypertension | 89 | 4.9K | 28 | 56 |
| 47 | Public Health | 101 | 4.8K | 343 | 351 |
| 48 | Cytogenetics | 39 | 4.8K | 123 | 115 |
| 49 | Anatomy | 58 | 4.8K | 143 | 130 |
| 50 | Psychology | 90 | 4.5K | 402 | 382 |
| 51 | Urology | 167 | 4.3K | 79 | 114 |
| 52 | cell physiology | 109 | 4.2K | 11 | 82 |
| 53 | viruses | 63 | 4.2K | 156 | 159 |
| 54 | diseases | 4 | 4.2K | 49 | 21 |
| 54 | Disease | 4 | 4.2K | 66 | 21 |
| 56 | Pediatric Neurology | 43 | 4.1K | 87 | 121 |
| 57 | Allergy | 60 | 4.1K | 70 | 190 |
| 58 | medical education | 102 | 4.0K | 32 | 38 |
| 59 | Chemistry | 82 | 4.0K | 2895 | 3262 |
| 60 | Neurotoxicology | 77 | 3.8K | 1 | 1 |
| 61 | Health Education | 48 | 3.8K | 76 | 32 |
| 62 | Aging | 64 | 3.7K | 128 | 130 |
| 63 | Cancer | 95 | 3.7K | 208 | 535 |
| 64 | Genetic regulation | 38 | 3.5K | 38 | 121 |
| 65 | Human genetics | 22 | 3.4K | 970 | 1512 |
| 66 | counseling | 37 | 3.4K | 72 | 11 |
| 67 | Developmental Genetics | 31 | 3.4K | 73 | 120 |
| 68 | Medical genetics | 45 | 3.2K | 640 | 660 |
| 69 | Attention | 139 | 3.2K | 3 | 31 |
| 70 | Cell differentiation | 38 | 3.2K | 208 | 358 |
| 71 | Memory | 139 | 3.1K | 6 | 74 |
| 72 | Patient education | 24 | 3.1K | 24 | 6 |
| 73 | Visual Perception | 138 | 3.1K | 3 | 30 |
| 73 | Perception | 138 | 3.1K | 9 | 70 |
| 75 | Inflammation | 14 | 3.1K | 107 | 6 |
| 76 | Gene expression regulation | 30 | 3.1K | 67 | 119 |
| 77 | Behavior | 67 | 3.1K | 321 | 413 |
| 78 | Metabolic diseases | 61 | 3.0K | 198 | 412 |
| 79 | Histology | 40 | 3.0K | 96 | 51 |
| 80 | Vaccines | 66 | 2.9K | 39 | 34 |
| 81 | Thrombosis | 59 | 2.9K | 5 | 11 |
| 82 | Radiobiology | 55 | 2.9K | 121 | 130 |
| 83 | Epidemiology | 61 | 2.8K | 414 | 392 |
| 84 | Audiology | 36 | 2.8K | 78 | 34 |
| 84 | Pathology | 45 | 2.8K | 291 | 242 |
| 86 | Nutrition | 65 | 2.7K | 411 | 477 |
| 87 | Metabolism | 64 | 2.7K | 244 | 514 |
| 88 | Embryology | 25 | 2.7K | 415 | 299 |
| 89 | viral genetics | 20 | 2.6K | 82 | 129 |
| 90 | vascular diseases | 49 | 2.6K | 3 | 10 |
| 91 | Clinical Immunology | 53 | 2.5K | 46 | 24 |
| 92 | Alzheimer's disease | 31 | 2.4K | 222 | 147 |
| 93 | Signal Transduction | 25 | 2.4K | 73 | 59 |
| 94 | Psychophysiology | 53 | 2.4K | 572 | 763 |
| 95 | Respiration | 58 | 2.4K | 61 | 86 |
| 96 | Analytical Biochemistry | 44 | 2.4K | 47 | 59 |
| 97 | Infertility | 46 | 2.3K | 83 | 88 |
| 97 | fertility | 46 | 2.3K | 84 | 88 |
| 99 | Dermatology | 92 | 2.2K | 131 | 179 |
| 100 | Neuroimmunology | 39 | 2.2K | 31 | 53 |
| 101 | Mental Disorders | 63 | 2.2K | 364 | 777 |
| 102 | Child | 83 | 2.1K | 84 | 145 |
| 103 | Health | 50 | 2.1K | 123 | 86 |
| 104 | Immune system | 5 | 2.1K | 954 | 403 |
| 105 | Dementia | 27 | 1.9K | 214 | 142 |
| 106 | Growth factors | 1 | 1.9K | 544 | 1 |
| 107 | Pollution | 53 | 1.9K | 832 | 1601 |
| 108 | Diet | 36 | 1.9K | 281 | 333 |
| 109 | Environmental monitoring | 36 | 1.9K | 433 | 462 |
| 110 | Immunotherapy | 14 | 1.8K | 635 | 347 |
| 111 | Psychoneuroimmunology | 29 | 1.8K | 37 | 63 |
| 112 | Comparative Physiology | 68 | 1.8K | 10 | 31 |
| 113 | Oxidation-reduction | 13 | 1.8K | 89 | 75 |
| 114 | Antioxidants | 11 | 1.8K | 93 | 49 |
| 115 | Pharmaceutical Chemistry | 58 | 1.8K | 543 | 815 |
| 116 | Biomedical Engineering | 22 | 1.8K | 2215 | 1014 |
| 117 | Ecology | 34 | 1.7K | 2116 | 2605 |
| 118 | Adolescent | 76 | 1.7K | 57 | 94 |
| 119 | Oncology | 25 | 1.7K | 422 | 1259 |
| 120 | Critical Care | 21 | 1.7K | 228 | 272 |
| 121 | Critical Care Medicine | 20 | 1.7K | 259 | 275 |
| 122 | Medical Laboratory Science | 22 | 1.6K | 207 | 202 |
| 123 | Photochemistry | 28 | 1.6K | 147 | 59 |
| 123 | Light | 28 | 1.6K | 62 | 193 |
| 125 | Diagnostic microbiology | 16 | 1.6K | 240 | 238 |
| 126 | nucleic acids | 35 | 1.6K | 212 | 643 |
| 127 | preventive medicine | 30 | 1.6K | 131 | 154 |
| 128 | Immunopathology | 22 | 1.6K | 189 | 71 |
| 129 | Health insurance | 30 | 1.5K | 23 | 22 |
| 130 | Molecular Genetics | 24 | 1.5K | 367 | 347 |
| 131 | Bioenergetics | 17 | 1.5K | 138 | 68 |
| 132 | Stem cells | 25 | 1.5K | 161 | 160 |
| 133 | Medical Oncology | 37 | 1.5K | 230 | 334 |
| 134 | Growth | 11 | 1.5K | 635 | 460 |
| 135 | Biotechnology | 12 | 1.5K | 5862 | 2902 |
| 135 | Mental illness | 42 | 1.5K | 273 | 682 |
| 137 | Molecular Microbiology | 16 | 1.5K | 287 | 242 |
| 138 | Environmental Engineering | 30 | 1.5K | 712 | 923 |
| 139 | RNA | 26 | 1.5K | 32 | 46 |
| 140 | Energy metabolism | 13 | 1.5K | 170 | 74 |
| 141 | Nanotechnology | 9 | 1.4K | 6520 | 2830 |
| 142 | Clinical Chemistry | 35 | 1.4K | 434 | 508 |
| 143 | Host-parasite interactions | 13 | 1.4K | 467 | 441 |
| 144 | Molecular structure | 15 | 1.4K | 837 | 448 |
| 145 | Gerontology | 34 | 1.4K | 154 | 125 |
| 146 | Electrophysiology | 111 | 1.4K | 1 | 5 |
| 147 | Genetic engineering | 29 | 1.4K | 106 | 245 |
| 148 | Neurons | 6 | 1.3K | 751 | 881 |
| 149 | human behavior | 21 | 1.3K | 648 | 845 |
| 150 | Ophthalmology | 55 | 1.3K | 211 | 410 |
| 151 | Radiation | 19 | 1.3K | 225 | 58 |
| 152 | Long-Term Care | 48 | 1.3K | 10 | 47 |
| 152 | Long-term care facilities | 48 | 1.3K | 10 | 47 |
| 154 | Orthopedics | 38 | 1.3K | 163 | 166 |
| 155 | Medical Technology | 9 | 1.3K | 238 | 34 |
| 156 | Reproduction | 42 | 1.3K | 307 | 435 |
| 157 | United Kingdom | 32 | 1.3K | 114 | 243 |
| 158 | Health promotion | 30 | 1.2K | 110 | 161 |
| 159 | Animal Behavior | 18 | 1.2K | 812 | 781 |
| 160 | Diabetes | 35 | 1.2K | 359 | 842 |
| 161 | Neuropsychology | 33 | 1.1K | 437 | 576 |
| 162 | Oncogenes | 13 | 1.1K | 527 | 537 |
| 163 | Diabetes mellitus | 34 | 1.1K | 318 | 821 |
| 164 | environmental pollution | 47 | 1.1K | 501 | 1371 |
| 165 | Rheumatology | 19 | 1.1K | 180 | 129 |
| 166 | Sociology | 15 | 1.1K | 664 | 471 |
| 167 | Geriatric Oncology | 30 | 1.1K | 12 | 16 |
| 168 | blood transfusion | 28 | 1.1K | 69 | 51 |
| 169 | Meteorology | 7 | 1.1K | 1369 | 603 |
| 170 | Suicide | 19 | 1.1K | 34 | 28 |
| 171 | cell membrane | 12 | 1.0K | 171 | 100 |
| 172 | Hormones | 22 | 1.0K | 132 | 163 |
| 173 | Mathematics | 5 | 1.0K | 8210 | 1226 |
| 174 | Women's health | 42 | 1.0K | 61 | 103 |
| 175 | Child Development | 19 | 1.0K | 545 | 483 |
| 176 | Health Policy | 25 | 1.0K | 391 | 411 |
| 177 | Medical Anthropology | 11 | 1.0K | 458 | 298 |
| 178 | gene therapy | 26 | 992 | 69 | 191 |
| 179 | Genomics | 19 | 942 | 1058 | 975 |
| 180 | histological techniques | 15 | 928 | 58 | 67 |
| 181 | Steroids | 28 | 903 | 54 | 75 |
| 182 | Bioengineering | 10 | 899 | 3959 | 3039 |
| 183 | Emergency Medicine | 34 | 886 | 40 | 68 |
| 184 | Developmental Disabilities | 21 | 875 | 170 | 244 |
| 185 | Molecular cloning | 23 | 866 | 57 | 131 |
| 185 | Genetic recombination | 23 | 866 | 55 | 130 |
| 185 | Bone diseases | 10 | 866 | 55 | 123 |
| 185 | Recombinant DNA | 23 | 866 | 63 | 144 |
| 189 | environmental exposure | 18 | 865 | 284 | 250 |
| 190 | prostaglandins | 18 | 859 | 26 | 14 |
| 191 | Asthma | 36 | 830 | 11 | 20 |
| 192 | Geriatric Psychiatry | 24 | 821 | 86 | 110 |
| 193 | Teratology | 19 | 812 | 36 | 40 |
| 193 | Bacterial infections | 7 | 812 | 287 | 380 |
| 195 | Statistics | 31 | 808 | 732 | 687 |
| 196 | Family | 34 | 803 | 20 | 64 |
| 197 | sanitation | 15 | 802 | 554 | 955 |
| 198 | Radiology | 42 | 794 | 66 | 99 |
| 199 | Health Services Administration | 14 | 787 | 122 | 116 |
| 200 | Mental Health Services | 32 | 776 | 115 | 161 |
| 201 | Ethology | 11 | 772 | 897 | 916 |
| 202 | genome | 18 | 770 | 341 | 1136 |
| 203 | Computational Biology | 12 | 758 | 1384 | 1285 |
| 203 | Bioinformatics | 12 | 758 | 999 | 972 |
| 203 | rehabilitation | 14 | 758 | 635 | 526 |
| 206 | Analytical Chemistry | 18 | 756 | 2781 | 2450 |
| 207 | Virulence | 12 | 754 | 482 | 665 |
| 208 | Kidney diseases | 17 | 752 | 197 | 169 |
| 209 | Physical Therapy | 9 | 747 | 494 | 289 |
| 210 | Molecular Pharmacology | 22 | 742 | 73 | 164 |
| 210 | Primary health care | 14 | 742 | 393 | 207 |
| 210 | Cell death | 13 | 742 | 413 | 657 |
| 213 | Nephrology | 15 | 738 | 144 | 136 |
| 214 | mycoses | 3 | 737 | 748 | 401 |
| 215 | proteins | 19 | 735 | 591 | 683 |
| 216 | Spine | 17 | 723 | 130 | 158 |
| 217 | chronic disease | 14 | 719 | 36 | 36 |
| 218 | Histochemistry | 14 | 714 | 242 | 122 |
| 219 | Psychopharmacology | 22 | 713 | 529 | 1056 |
| 220 | Dentistry | 40 | 707 | 66 | 91 |
| 221 | Bioorganic chemistry | 33 | 692 | 678 | 1333 |
| 222 | protein | 13 | 680 | 459 | 428 |
| 223 | Organic Chemistry | 32 | 673 | 967 | 1482 |
| 223 | enzymes | 32 | 673 | 87 | 335 |
| 225 | Clinical Biochemistry | 18 | 664 | 155 | 199 |
| 226 | Hospitals | 27 | 663 | 27 | 50 |
| 227 | Biocompatible Materials | 17 | 654 | 2935 | 4043 |
| 228 | Chemotherapy | 22 | 650 | 122 | 177 |
| 229 | Environmental Policy | 17 | 647 | 718 | 1408 |
| 230 | cell interaction | 13 | 632 | 73 | 113 |
| 231 | Technology | 4 | 631 | 5568 | 1354 |
| 232 | Genetic therapy | 21 | 629 | 123 | 375 |
| 233 | Chronic diseases | 13 | 628 | 166 | 332 |
| 234 | Child psychology | 13 | 627 | 647 | 707 |
| 235 | Microbial Ecology | 9 | 626 | 1670 | 1818 |
| 236 | Astrocytes | 4 | 623 | 392 | 176 |
| 237 | Biochemical Engineering | 1 | 620 | 13048 | 3544 |
| 238 | occupational diseases | 13 | 610 | 180 | 195 |
| 239 | breastfeeding | 31 | 608 | 19 | 28 |
| 240 | Environmental Law | 14 | 604 | 239 | 473 |
| 240 | environmental protection | 14 | 604 | 1135 | 1316 |
| 242 | Engineering | 9 | 600 | 2942 | 1023 |
| 243 | Nursing | 18 | 597 | 402 | 247 |
| 244 | older people | 38 | 595 | 55 | 169 |
| 245 | free radicals | 9 | 562 | 593 | 808 |
| 246 | Mental Health | 10 | 546 | 703 | 299 |
| 247 | Neuromuscular diseases | 17 | 543 | 89 | 143 |
| 247 | Muscles | 17 | 543 | 104 | 233 |
| 249 | Bioethics | 15 | 539 | 96 | 48 |
| 249 | Medical Ethics | 18 | 539 | 97 | 73 |
| 251 | child abuse | 9 | 536 | 220 | 186 |
| 252 | Brain damage | 6 | 526 | 120 | 26 |
| 253 | Hemostasis | 16 | 522 | 55 | 58 |
| 254 | Intellectual disability | 19 | 516 | 65 | 95 |
| 255 | cloning | 9 | 497 | 106 | 348 |
| 256 | Obesity | 11 | 493 | 1236 | 1366 |
| 257 | arthritis | 19 | 490 | 164 | 379 |
| 258 | Hematopoietic stem cell transplantation | 6 | 484 | 71 | 64 |
| 259 | Medical innovations | 5 | 474 | 781 | 1190 |
| 260 | drug development | 7 | 467 | 495 | 1084 |
| 261 | Cerebral cortex | 6 | 453 | 812 | 647 |
| 262 | Drug delivery systems | 6 | 452 | 978 | 830 |
| 263 | Microcirculation | 13 | 448 | 51 | 74 |
| 263 | families | 19 | 448 | 24 | 53 |
| 265 | Blood vessels | 14 | 445 | 19 | 43 |
| 266 | Antigens | 17 | 444 | 85 | 199 |
| 267 | adolescence | 11 | 439 | 225 | 288 |
| 268 | Neuropharmacology | 13 | 436 | 90 | 138 |
| 269 | Psychosomatic Medicine | 11 | 434 | 246 | 335 |
| 270 | Child welfare | 21 | 430 | 66 | 136 |
| 271 | Family Therapy | 18 | 428 | 50 | 85 |
| 272 | Immunochemistry | 14 | 425 | 128 | 193 |
| 273 | Functional Genomics | 7 | 424 | 49 | 67 |
| 274 | Maternal health services | 20 | 413 | 38 | 82 |
| 275 | Nutrition physiology | 8 | 409 | 164 | 181 |
| 276 | Environmental Microbiology | 5 | 408 | 969 | 920 |
| 277 | Chromosomes | 13 | 406 | 152 | 330 |
| 278 | Neuropsychiatry | 4 | 403 | 966 | 386 |
| 279 | Clinical Psychology | 19 | 402 | 239 | 643 |
| 280 | Andrology | 6 | 396 | 349 | 160 |
| 280 | Androgens | 6 | 396 | 110 | 85 |
| 282 | air quality management | 11 | 391 | 43 | 90 |
| 283 | drugs | 18 | 389 | 450 | 881 |
| 284 | Post-traumatic stress disorder | 6 | 386 | 468 | 339 |
| 285 | Digestive system diseases | 12 | 384 | 105 | 146 |
| 286 | Morphology | 7 | 382 | 294 | 177 |
| 287 | health behavior | 13 | 381 | 280 | 326 |
| 288 | Community Psychiatry | 27 | 375 | 95 | 437 |
| 288 | Antibodies | 15 | 375 | 43 | 164 |
| 288 | nanoscience | 3 | 375 | 5866 | 3519 |
| 291 | Aerosols | 11 | 358 | 150 | 171 |
| 291 | Lipids | 3 | 358 | 1864 | 871 |
| 291 | aerosol | 11 | 358 | 60 | 81 |
| 294 | mutation | 11 | 348 | 81 | 208 |
| 295 | Sports Medicine | 7 | 345 | 1570 | 1270 |
| 296 | Developmental Psychology | 7 | 344 | 545 | 556 |
| 297 | Reproductive toxicology | 9 | 337 | 71 | 145 |
| 298 | Microorganisms | 4 | 336 | 794 | 852 |
| 299 | Agricultural Chemistry | 3 | 329 | 3719 | 1657 |
| 300 | Environmental Geochemistry | 1 | 328 | 958 | 34 |
| 300 | Minerals | 1 | 328 | 1330 | 74 |
| 302 | Homeostasis | 2 | 324 | 740 | 1476 |
| 302 | Cell metabolism | 2 | 324 | 1143 | 1510 |
| 304 | Neuroendocrinology | 2 | 323 | 130 | 151 |
| 305 | Communication | 9 | 322 | 439 | 773 |
| 305 | Pregnancy | 6 | 322 | 477 | 270 |
| 307 | Bones | 9 | 319 | 237 | 532 |
| 308 | Autoimmunity | 5 | 314 | 493 | 513 |
| 309 | visualization | 25 | 312 | 77 | 254 |
| 310 | health services | 8 | 306 | 320 | 285 |
| 311 | personality | 7 | 305 | 725 | 807 |
| 312 | Sexual health | 4 | 301 | 513 | 290 |
| 313 | Youth | 4 | 300 | 342 | 279 |
| 314 | Communication in medicine | 3 | 297 | 280 | 115 |
| 315 | Radiotherapy | 20 | 296 | 42 | 73 |
| 316 | Health Services Research | 12 | 293 | 567 | 832 |
| 316 | Transplantation | 10 | 293 | 617 | 1239 |
| 318 | alcoholism | 15 | 292 | 560 | 1024 |
| 318 | sexual behavior | 9 | 292 | 211 | 361 |
| 320 | Research Design | 19 | 291 | 96 | 531 |
| 321 | Elderly | 23 | 286 | 49 | 115 |
| 322 | Social Psychology | 10 | 283 | 798 | 1119 |
| 323 | Occupational Health | 12 | 281 | 211 | 336 |
| 324 | Immunopharmacology | 11 | 279 | 296 | 487 |
| 325 | calcification | 10 | 278 | 82 | 208 |
| 326 | Developing countries | 4 | 271 | 1596 | 789 |
| 327 | family violence | 5 | 268 | 134 | 113 |
| 328 | Cognition | 8 | 266 | 1145 | 1378 |
| 329 | Clinical Pharmacology | 4 | 265 | 1549 | 774 |
| 330 | Systems Biology | 8 | 261 | 716 | 1032 |
| 331 | Medical Physics | 12 | 256 | 824 | 1599 |
| 331 | Cardiovascular diseases | 8 | 256 | 530 | 714 |
| 333 | Pharmacognosy | 3 | 252 | 2693 | 1527 |
| 333 | Medicinal plants | 3 | 252 | 1813 | 1061 |
| 335 | industrial hygiene | 18 | 251 | 101 | 149 |
| 336 | Radioisotopes | 12 | 250 | 198 | 194 |
| 336 | eugenics | 11 | 250 | 61 | 180 |
| 338 | Autism | 7 | 249 | 322 | 471 |
| 338 | Radiation effects | 17 | 249 | 26 | 229 |
| 340 | Geophysics | 11 | 247 | 2110 | 3201 |
| 341 | psychotherapy | 6 | 243 | 841 | 966 |
| 342 | occupational health and safety | 15 | 237 | 24 | 34 |
| 343 | soil microbiology | 2 | 236 | 2531 | 1812 |
| 344 | Marriage | 9 | 231 | 55 | 101 |
| 344 | Biometrics | 12 | 231 | 555 | 822 |
| 344 | Marriage counseling | 9 | 231 | 33 | 76 |
| 347 | Pharmacy | 13 | 230 | 928 | 1809 |
| 348 | Neurovirology | 8 | 228 | 90 | 132 |
| 348 | violence | 5 | 228 | 388 | 393 |
| 350 | Learning | 7 | 224 | 885 | 1086 |
| 351 | complementary therapies | 10 | 221 | 314 | 683 |
| 352 | Endocrine glands | 3 | 220 | 118 | 317 |
| 352 | Leukemia | 7 | 220 | 779 | 1297 |
| 352 | Chromosome mapping | 4 | 220 | 2410 | 2364 |
| 352 | gene mapping | 4 | 220 | 2890 | 3052 |
| 356 | Psychiatric hospitals | 20 | 217 | 29 | 128 |
| 357 | infection | 7 | 214 | 843 | 1428 |
| 358 | sports injuries | 1 | 212 | 997 | 118 |
| 359 | Oral Medicine | 4 | 209 | 798 | 218 |
| 359 | DNA repair | 2 | 209 | 441 | 206 |
| 361 | human development | 4 | 208 | 538 | 506 |
| 361 | mammals | 5 | 208 | 596 | 455 |
| 363 | Pediatric Dermatology | 14 | 205 | 120 | 156 |
| 363 | Erectile dysfunction | 4 | 205 | 157 | 100 |
| 365 | Surface Chemistry | 6 | 202 | 4849 | 5382 |
| 365 | Geriatric Pharmacology | 3 | 202 | 156 | 99 |
| 365 | Colloids | 5 | 202 | 5720 | 5891 |
| 368 | Cognitive neuroscience | 7 | 201 | 648 | 1277 |
| 368 | drug addiction | 10 | 201 | 547 | 1097 |
| 370 | atmosphere | 4 | 199 | 330 | 301 |
| 371 | Alternative Medicine | 8 | 196 | 411 | 807 |
| 371 | Microscopy | 6 | 196 | 657 | 802 |
| 373 | technical education | 3 | 195 | 455 | 145 |
| 374 | Substance Abuse | 11 | 192 | 674 | 1144 |
| 374 | primary prevention | 6 | 192 | 124 | 143 |
| 376 | Speech Disorders | 6 | 190 | 523 | 593 |
| 377 | Physical Chemistry | 6 | 188 | 1998 | 2677 |
| 377 | Sleep Disorders | 9 | 188 | 876 | 1607 |
| 377 | Developmental Immunology | 12 | 188 | 91 | 335 |
| 380 | epilepsy | 9 | 186 | 425 | 696 |
| 381 | Diagnosis | 7 | 184 | 69 | 123 |
| 382 | Flow cytometry | 1 | 183 | 782 | 181 |
| 383 | Electronics | 6 | 182 | 3803 | 3821 |
| 383 | Orthopedic Surgery | 15 | 182 | 112 | 344 |
| 383 | Adolescent Psychology | 4 | 182 | 642 | 625 |
| 383 | Sleep | 8 | 182 | 989 | 1664 |
| 387 | Peroxisomes | 5 | 181 | 1 | 13 |
| 388 | Atmospheric Physics | 10 | 175 | 648 | 1504 |
| 388 | Contraception | 5 | 175 | 360 | 364 |
| 390 | Heart Failure | 6 | 172 | 74 | 221 |
| 391 | Yeast | 5 | 170 | 179 | 277 |
| 392 | Otolaryngology | 10 | 168 | 295 | 464 |
| 393 | Biomechanics | 6 | 161 | 952 | 1574 |
| 394 | health services accessibility | 5 | 159 | 584 | 603 |
| 394 | Liver diseases | 7 | 159 | 841 | 2949 |
| 396 | Respiratory Infections | 9 | 157 | 50 | 113 |
| 396 | Influenza | 9 | 157 | 27 | 78 |
| 398 | Tropical Medicine | 7 | 154 | 750 | 959 |
| 399 | Dental Public Health | 8 | 153 | 74 | 82 |
| 400 | pain management | 6 | 151 | 237 | 393 |
| 401 | Atmospheric Chemistry | 6 | 150 | 588 | 1189 |
| 402 | Public Policy | 9 | 149 | 524 | 1431 |
| 402 | Europe | 3 | 149 | 5238 | 3211 |
| 404 | Psycholinguistics | 3 | 148 | 1038 | 903 |
| 404 | Neurolinguistics | 3 | 148 | 328 | 380 |
| 404 | Parenteral nutrition | 8 | 148 | 460 | 1238 |
| 404 | Radio | 4 | 148 | 1223 | 1559 |
| 404 | Speech | 3 | 148 | 831 | 702 |
| 404 | language | 3 | 148 | 580 | 628 |
| 410 | Apoptosis | 1 | 145 | 619 | 179 |
| 410 | neurotoxins | 1 | 145 | 619 | 179 |
| 410 | Neurotoxic agents | 1 | 145 | 619 | 179 |
| 410 | abnormalities | 3 | 145 | 145 | 151 |
| 410 | Nerve regeneration | 1 | 145 | 619 | 179 |
| 415 | air quality | 9 | 141 | 9 | 63 |
| 415 | child mental health | 3 | 141 | 407 | 284 |
| 417 | Materials Science | 4 | 140 | 8254 | 9173 |
| 417 | Information Systems | 6 | 140 | 429 | 862 |
| 419 | Schizophrenia | 4 | 139 | 1208 | 1668 |
| 419 | Cardiac electrophysiology | 2 | 139 | 95 | 85 |
| 419 | Teaching | 7 | 139 | 725 | 1151 |
| 419 | arrhythmia | 2 | 139 | 95 | 85 |
| 423 | Stress | 2 | 138 | 213 | 121 |
| 424 | Education | 8 | 137 | 1542 | 2440 |
| 425 | Neuroanatomy | 1 | 136 | 538 | 152 |
| 426 | Smoking | 5 | 135 | 600 | 875 |
| 426 | Social behavior | 5 | 135 | 908 | 1505 |
| 428 | Psychiatric Epidemiology | 5 | 133 | 322 | 665 |
| 429 | behavior modification | 3 | 131 | 206 | 290 |
| 430 | Laser therapy | 4 | 129 | 299 | 174 |
| 430 | biological factors | 5 | 129 | 1827 | 2722 |
| 432 | behavioral medicine | 7 | 128 | 842 | 2326 |
| 432 | Biodegradation | 2 | 128 | 761 | 567 |
| 432 | Water Microbiology | 2 | 128 | 377 | 243 |
| 432 | Osteoporosis | 3 | 128 | 206 | 172 |
| 432 | Fouling | 2 | 128 | 198 | 168 |
| 437 | Sustainable Development | 1 | 127 | 4300 | 2152 |
| 437 | energy development | 1 | 127 | 1700 | 1079 |
| 439 | Clinical Trials | 9 | 126 | 133 | 329 |
| 440 | Palliative Care | 6 | 125 | 417 | 605 |
| 441 | Environmental pollutants | 4 | 124 | 2298 | 3183 |
| 442 | Social Sciences | 8 | 121 | 1282 | 2382 |
| 443 | Global Health | 4 | 120 | 685 | 689 |
| 444 | Liposomes | 5 | 118 | 220 | 442 |
| 444 | Lipid bilayers | 5 | 118 | 183 | 360 |
| 446 | hygiene | 3 | 117 | 351 | 355 |
| 447 | elder abuse | 4 | 116 | 122 | 197 |
| 447 | Ultrasonics | 6 | 116 | 593 | 1477 |
| 447 | Ultrasound | 6 | 116 | 339 | 609 |
| 450 | disease susceptibility | 1 | 114 | 57 | 32 |
| 450 | biochemical markers | 1 | 114 | 1663 | 374 |
| 450 | symptoms | 1 | 114 | 57 | 32 |
| 453 | Cognitive Therapy | 3 | 113 | 508 | 498 |
| 453 | drug abuse | 6 | 113 | 273 | 474 |
| 455 | Biosensors | 1 | 112 | 4291 | 3256 |
| 455 | Bioelectronics | 1 | 112 | 3536 | 2822 |
| 457 | Materials | 2 | 111 | 15580 | 14300 |
| 457 | DNA methylation | 1 | 111 | 701 | 448 |
| 459 | Neurosurgery | 5 | 107 | 840 | 1640 |
| 459 | Parasitology | 4 | 107 | 2243 | 2435 |
| 461 | Evidence-Based Medicine | 7 | 106 | 78 | 533 |
| 462 | Public Health Administration | 4 | 105 | 71 | 49 |
| 462 | Genetic disorders | 3 | 105 | 487 | 574 |
| 462 | scientific societies | 3 | 105 | 823 | 893 |
| 462 | child behavior | 3 | 105 | 236 | 371 |
| 466 | Radiography | 8 | 104 | 393 | 1580 |
| 467 | Biopharmaceutics | 5 | 102 | 674 | 1689 |
| 467 | glycoproteins | 4 | 102 | 310 | 558 |
| 467 | Glycoconjugates | 4 | 102 | 310 | 558 |
| 467 | glycolipids | 4 | 102 | 310 | 558 |
| 471 | Personality Assessment | 4 | 99 | 308 | 583 |
| 472 | Anxiety Disorders | 5 | 98 | 375 | 1005 |
| 472 | Anxiety | 4 | 98 | 440 | 982 |
| 474 | Human Rights | 1 | 97 | 964 | 293 |
| 474 | Electrocardiography | 20 | 97 | 5 | 57 |
| 474 | Toxins | 4 | 97 | 514 | 802 |
| 477 | Botany | 14 | 96 | 2583 | 9375 |
| 477 | General Surgery | 8 | 96 | 220 | 529 |
| 477 | behavior therapy | 2 | 96 | 897 | 752 |
| 480 | Drug design | 7 | 94 | 711 | 2711 |
| 481 | brain mapping | 5 | 92 | 693 | 1744 |
| 481 | drug toxicity | 1 | 92 | 1086 | 530 |
| 483 | Metastasis | 1 | 91 | 356 | 562 |
| 483 | healthcare disparities | 6 | 91 | 171 | 472 |
| 483 | Vision | 4 | 91 | 633 | 1067 |
| 486 | Protein engineering | 2 | 90 | 251 | 243 |
| 486 | molecular design | 2 | 90 | 275 | 232 |
| 486 | Cell communication | 2 | 90 | 682 | 1075 |
| 489 | children | 2 | 89 | 316 | 325 |
| 490 | Learning disabilities | 7 | 88 | 238 | 650 |
| 491 | Economics | 5 | 87 | 2905 | 3658 |
| 491 | Social work | 10 | 87 | 235 | 920 |
| 491 | Thorax | 5 | 87 | 284 | 734 |
| 494 | Parasitic Diseases | 2 | 85 | 2834 | 2730 |
| 495 | Hemodynamics | 3 | 84 | 808 | 1803 |
| 495 | Socioeconomic Factors | 2 | 84 | 754 | 775 |
| 497 | Food additives | 2 | 82 | 1599 | 1798 |
| 497 | cosmetics | 2 | 82 | 119 | 119 |
| 499 | Telemedicine | 3 | 80 | 195 | 423 |
| 499 | Depression | 2 | 80 | 466 | 844 |
| 499 | health planning | 4 | 80 | 2030 | 2616 |
| 502 | Psychometrics | 2 | 79 | 369 | 400 |
| 502 | Infections | 3 | 79 | 1125 | 2417 |
| 504 | Experimental Psychology | 2 | 77 | 581 | 543 |
| 504 | Population Genetics | 1 | 77 | 3039 | 2682 |
| 504 | Molecular ecology | 1 | 77 | 2658 | 2718 |
| 504 | cardiac catheterization | 6 | 77 | 71 | 187 |
| 508 | Disability Law | 6 | 76 | 8 | 34 |
| 509 | Food | 3 | 75 | 5511 | 8173 |
| 509 | feeding behavior | 3 | 75 | 787 | 1320 |
| 509 | Appetite | 2 | 75 | 893 | 1159 |
| 512 | Diagnostic Imaging | 2 | 74 | 4883 | 4651 |
| 512 | Randomized Controlled Trials | 3 | 74 | 1238 | 1114 |
| 514 | Information Technology | 2 | 72 | 3010 | 2907 |
| 514 | Educational Technology | 2 | 72 | 1575 | 1601 |
| 514 | System analysis | 1 | 72 | 6624 | 3633 |
| 514 | Planets | 1 | 72 | 3379 | 2991 |
| 518 | Ferroelectricity | 3 | 71 | 851 | 722 |
| 518 | Sound | 2 | 71 | 1400 | 1073 |
| 518 | sex crimes | 3 | 71 | 120 | 207 |
| 518 | Radio frequency | 2 | 71 | 535 | 521 |
| 522 | Electrochemistry | 4 | 70 | 5444 | 6920 |
| 522 | DNS | 2 | 70 | 528 | 631 |
| 522 | Bacterial diseases | 2 | 70 | 176 | 332 |
| 522 | Genes | 2 | 70 | 2175 | 2202 |
| 526 | Immunogenetics | 2 | 69 | 990 | 1157 |
| 527 | Genetic translocation | 2 | 68 | 216 | 275 |
| 527 | embryo transfer | 2 | 68 | 632 | 610 |
| 527 | plasmids | 2 | 68 | 216 | 275 |
| 530 | Kinetics | 3 | 67 | 331 | 419 |
| 530 | Pharmacokinetics | 3 | 67 | 847 | 1789 |
| 532 | Food Microbiology | 1 | 66 | 3323 | 3316 |
| 532 | Foodborne diseases | 1 | 66 | 483 | 297 |
| 534 | Epigenetics | 2 | 65 | 194 | 194 |
| 534 | Cognitive Behavioral Therapy | 1 | 65 | 28 | 23 |
| 534 | Epigenomics | 2 | 65 | 187 | 188 |
| 534 | Developmental Neurobiology | 3 | 65 | 448 | 970 |
| 534 | toxicity testing | 3 | 65 | 439 | 899 |
| 539 | urban health | 3 | 64 | 215 | 452 |
| 540 | Herbal medicine | 1 | 63 | 2078 | 1956 |
| 540 | North America | 4 | 63 | 444 | 812 |
| 542 | Oligosaccharide | 2 | 61 | 361 | 638 |
| 542 | Carbohydrates | 2 | 61 | 549 | 798 |
| 544 | Carcinogenesis | 2 | 60 | 1839 | 2975 |
| 544 | motivation | 1 | 60 | 427 | 333 |
| 544 | Emotion | 1 | 60 | 306 | 292 |
| 544 | cytokines | 4 | 60 | 1291 | 3735 |
| 544 | Decision making | 1 | 60 | 2920 | 1993 |
| 544 | Emotions | 1 | 60 | 1040 | 960 |
| 550 | Crystallography | 8 | 59 | 987 | 1413 |
| 550 | drug control | 2 | 59 | 405 | 508 |
| 552 | Spectrum analysis | 4 | 57 | 5815 | 9180 |
| 553 | Natural resources | 1 | 56 | 1391 | 1225 |
| 553 | Immunotoxicology | 4 | 56 | 141 | 372 |
| 555 | anesthesia | 8 | 55 | 18 | 171 |
| 556 | Combinatorial chemistry | 1 | 54 | 2177 | 2679 |
| 556 | miniaturization | 1 | 54 | 6299 | 6850 |
| 558 | risk factors | 2 | 53 | 584 | 964 |
| 558 | Mycology | 1 | 53 | 3473 | 2811 |
| 558 | Fungi | 1 | 53 | 2007 | 1864 |
| 558 | professional practice | 4 | 53 | 31 | 30 |
| 558 | harm reduction | 1 | 53 | 350 | 226 |
| 563 | Endocrine system | 17 | 52 | 32 | 509 |
| 563 | weight loss | 2 | 52 | 194 | 211 |
| 565 | preimplantation genetic diagnosis | 1 | 51 | 1018 | 794 |
| 565 | X-ray crystallography | 7 | 51 | 280 | 691 |
| 567 | Student Health Services | 8 | 50 | 43 | 451 |
| 568 | Neonatology | 2 | 49 | 827 | 1155 |
| 568 | Autoimmune diseases | 3 | 49 | 612 | 1896 |
| 568 | venom | 3 | 49 | 571 | 1330 |
| 571 | Pharmacogenetics | 2 | 48 | 2094 | 3926 |
| 571 | Artificial Organs | 9 | 48 | 197 | 959 |
| 571 | carcinogens | 2 | 48 | 2090 | 3746 |
| 571 | mathematical concepts | 1 | 48 | 877 | 414 |
| 575 | Pediatric Endocrinology | 1 | 47 | 735 | 293 |
| 575 | Dietetics | 8 | 47 | 284 | 1038 |
| 575 | Patient Safety | 4 | 47 | 14 | 57 |
| 575 | Metabolic disorders in children | 1 | 47 | 667 | 238 |
| 579 | Chemical Engineering | 3 | 46 | 9657 | 15020 |
| 579 | Genetic Toxicology | 1 | 46 | 874 | 1102 |
| 579 | Bacteria | 1 | 46 | 558 | 833 |
| 579 | Human biology | 3 | 46 | 588 | 1009 |
| 583 | Music | 1 | 45 | 1677 | 943 |
| 583 | voice | 1 | 45 | 1076 | 742 |
| 583 | Antiviral agents | 1 | 45 | 313 | 299 |
| 583 | Ultrasonic Imaging | 4 | 45 | 199 | 701 |
| 587 | minority groups | 1 | 44 | 29 | 25 |
| 588 | Lung Transplantation | 2 | 43 | 575 | 953 |
| 588 | Heart transplantation | 2 | 43 | 575 | 953 |
| 590 | hospice care | 3 | 42 | 434 | 854 |
| 590 | Metabolic syndrome | 1 | 42 | 561 | 466 |
| 592 | Extracellular matrix | 2 | 41 | 308 | 1084 |
| 592 | Oligosaccharides | 2 | 41 | 255 | 531 |
| 592 | collagen | 2 | 41 | 343 | 1148 |
| 595 | Cardiovascular Pharmacology | 1 | 40 | 159 | 291 |
| 595 | Analytical Toxicology | 1 | 40 | 380 | 371 |
| 597 | Nuclear Chemistry | 4 | 39 | 766 | 1120 |
| 597 | Lymphoma | 3 | 39 | 303 | 401 |
| 597 | Multiple Myeloma | 3 | 39 | 297 | 382 |
| 597 | Proteome | 3 | 39 | 1825 | 5323 |
| 597 | disease vectors | 1 | 39 | 1895 | 2006 |
| 597 | Parasites | 1 | 39 | 3516 | 3113 |
| 603 | Plant Ecology | 9 | 38 | 839 | 5116 |
| 603 | Bioinorganic chemistry | 3 | 38 | 1776 | 3236 |
| 603 | management | 3 | 38 | 2475 | 5286 |
| 603 | Drug discovery | 1 | 38 | 509 | 694 |
| 603 | sex differences | 1 | 38 | 273 | 484 |
| 608 | research and development | 2 | 37 | 72 | 255 |
| 608 | tomography | 1 | 37 | 732 | 492 |
| 610 | Pediatric Nursing | 1 | 36 | 598 | 587 |
| 610 | Environmental Management | 1 | 36 | 8606 | 10855 |
| 610 | Pituitary gland | 3 | 36 | 200 | 554 |
| 610 | Nuclear family | 3 | 36 | 52 | 83 |
| 610 | Coronary heart disease | 2 | 36 | 17 | 40 |
| 615 | Polymers | 2 | 35 | 11025 | 14114 |
| 616 | Pediatric Hematology | 2 | 34 | 654 | 593 |
| 616 | Environmental Psychology | 1 | 34 | 484 | 795 |
| 616 | body temperature | 3 | 34 | 306 | 875 |
| 619 | Evolutionary Genetics | 2 | 33 | 514 | 1169 |
| 619 | Molecular Epidemiology | 2 | 33 | 514 | 1169 |
| 619 | Cost control | 3 | 33 | 21 | 88 |
| 619 | rural health | 2 | 33 | 228 | 455 |
| 619 | Eating Disorders | 3 | 33 | 1092 | 2447 |
| 624 | Biogeochemical cycles | 1 | 32 | 655 | 1297 |
| 624 | Interferons | 2 | 32 | 268 | 690 |
| 624 | pollutants | 3 | 32 | 2182 | 6652 |
| 624 | extraterrestrial environment | 4 | 32 | 189 | 609 |
| 624 | Cytokine | 2 | 32 | 425 | 1476 |
| 629 | Zoology | 1 | 31 | 6377 | 5989 |
| 629 | Ecological Genetics | 1 | 31 | 1134 | 1074 |
| 629 | Clinical Laboratory Science | 2 | 31 | 361 | 587 |
| 629 | Ecophysiology | 1 | 31 | 381 | 448 |
| 629 | Nonlinear Dynamics | 1 | 31 | 4762 | 4718 |
| 629 | Statistical physics | 1 | 31 | 9084 | 8626 |
| 635 | Atherosclerosis | 4 | 29 | 16 | 391 |
| 635 | Cytoskeleton | 4 | 29 | 172 | 1054 |
| 637 | Trace elements | 1 | 28 | 629 | 1077 |
| 638 | Biochemical Genetics | 4 | 27 | 182 | 674 |
| 638 | Risk assessment | 1 | 27 | 992 | 1068 |
| 638 | ecological risk assessment | 1 | 27 | 399 | 503 |
| 638 | Technological Innovations | 1 | 27 | 1875 | 2189 |
| 638 | Health Risk Assessment | 1 | 27 | 732 | 845 |
| 643 | Physical organic chemistry | 1 | 26 | 3266 | 3566 |
| 643 | cell proliferation | 6 | 26 | 59 | 1245 |
| 643 | Quality of life | 2 | 26 | 2493 | 5811 |
| 646 | Crystallization | 3 | 25 | 386 | 667 |
| 646 | Morphogenesis | 1 | 25 | 101 | 280 |
| 646 | Religion and Psychology | 2 | 25 | 526 | 994 |
| 646 | astronomical phenomena | 3 | 25 | 235 | 667 |
| 646 | gene transfer | 3 | 25 | 111 | 873 |
| 646 | Nitric oxide | 1 | 25 | 539 | 1073 |
| 646 | genetic transformation | 3 | 25 | 111 | 873 |
| 653 | Africa | 1 | 24 | 3565 | 2787 |
| 653 | software | 3 | 24 | 637 | 2983 |
| 653 | Information Science | 3 | 24 | 2440 | 6455 |
| 656 | Plant physiology | 1 | 23 | 6317 | 8764 |
| 656 | Social support | 2 | 23 | 123 | 534 |
| 656 | Social environment | 2 | 23 | 127 | 544 |
| 659 | Culture techniques | 1 | 22 | 721 | 847 |
| 659 | Birth control | 3 | 22 | 361 | 1569 |
| 661 | Emergency Medical Services | 2 | 21 | 594 | 1572 |
| 661 | Optics | 5 | 21 | 4253 | 9848 |
| 661 | Astrophysics | 1 | 21 | 5831 | 6289 |
| 661 | wind erosion | 1 | 21 | 117 | 212 |
| 665 | Anemia | 1 | 20 | 1 | 24 |
| 665 | School Psychology | 1 | 20 | 730 | 954 |
| 665 | History of Medicine | 2 | 20 | 220 | 238 |
| 665 | patient satisfaction | 5 | 20 | 6 | 144 |
| 665 | poverty | 1 | 20 | 552 | 1040 |
| 665 | Immunohistochemistry | 3 | 20 | 137 | 367 |
| 665 | Histocompatibility Testing | 1 | 20 | 1093 | 1753 |
| 665 | Molecular evolution | 2 | 20 | 2750 | 7115 |
| 665 | Animal genetics | 1 | 20 | 1109 | 1545 |
| 665 | Mitochondria | 1 | 20 | 506 | 1166 |
| 665 | X-rays | 1 | 20 | 1273 | 1437 |
| 665 | Synapses | 2 | 20 | 441 | 1267 |
| 677 | Systems Analysis | 2 | 19 | 1196 | 2619 |
| 677 | Autoantibodies | 2 | 19 | 850 | 2807 |
| 677 | Organ transplantation | 1 | 19 | 1189 | 1235 |
| 677 | Ion channels | 1 | 19 | 211 | 394 |
| 681 | Reproductive health | 2 | 18 | 1026 | 2923 |
| 681 | Rheology | 1 | 18 | 1012 | 1406 |
| 681 | Measurement | 1 | 18 | 3118 | 4045 |
| 681 | nuclear magnetic resonance | 1 | 18 | 2946 | 3455 |
| 681 | Magnetic Resonance Spectroscopy | 1 | 18 | 2942 | 3502 |
| 681 | Cell cycle | 3 | 18 | 162 | 1453 |
| 681 | monitoring | 2 | 18 | 131 | 473 |
| 681 | Cell surface receptors | 1 | 18 | 215 | 373 |
| 681 | Testing | 1 | 18 | 59 | 101 |
| 681 | drug evaluation | 2 | 18 | 1855 | 5611 |
| 691 | Linguistics | 1 | 17 | 2089 | 2594 |
| 691 | Climatology | 1 | 17 | 4007 | 5944 |
| 691 | Language Disorders | 1 | 17 | 1801 | 2192 |
| 691 | Community Psychology | 2 | 17 | 522 | 1352 |
| 691 | Applied Linguistics | 1 | 17 | 516 | 698 |
| 691 | Phonetics | 1 | 17 | 463 | 660 |
| 691 | Program Evaluation | 1 | 17 | 126 | 229 |
| 691 | Electron Microscopy | 3 | 17 | 242 | 1321 |
| 691 | Freeze-Drying | 4 | 17 | 141 | 1107 |
| 691 | Hypothermia | 4 | 17 | 141 | 1107 |
| 691 | Freeze Drying | 4 | 17 | 141 | 1107 |
| 691 | Vocational guidance | 4 | 17 | 474 | 1736 |
| 691 | women | 1 | 17 | 1233 | 1699 |
| 704 | Cultural diversity | 1 | 16 | 336 | 595 |
| 704 | Nutritional support | 1 | 16 | 277 | 686 |
| 704 | peptides | 3 | 16 | 768 | 2904 |
| 704 | cultural pluralism | 1 | 16 | 503 | 759 |
| 704 | Liquid chromatography | 1 | 16 | 989 | 990 |
| 709 | Psychoanalysis | 1 | 15 | 427 | 348 |
| 709 | mutagens | 1 | 15 | 2384 | 4784 |
| 711 | Demography | 2 | 14 | 906 | 2197 |
| 711 | Social policy | 4 | 14 | 374 | 2606 |
| 711 | Feeding and Eating Disorders | 2 | 14 | 1398 | 3343 |
| 711 | Animal welfare | 1 | 14 | 457 | 952 |
| 715 | Biofilms | 1 | 13 | 246 | 1082 |
| 715 | accidents | 2 | 13 | 6 | 30 |
| 717 | Engineering Mathematics | 1 | 12 | 4931 | 5595 |
| 717 | Oxidative stress | 2 | 12 | 1351 | 6177 |
| 717 | Synaptic Transmission | 2 | 12 | 872 | 2789 |
| 717 | indoor air pollution | 1 | 12 | 783 | 1594 |
| 717 | Ventilation | 1 | 12 | 1077 | 1911 |
| 717 | Sick building syndrome | 1 | 12 | 783 | 1594 |
| 717 | disease outbreaks | 1 | 12 | 1289 | 2729 |
| 717 | Epidemics | 1 | 12 | 1246 | 2690 |
| 717 | family counseling | 1 | 12 | 126 | 184 |
| 726 | Occupational exposure | 1 | 11 | 95 | 120 |
| 726 | economic policy | 2 | 11 | 2490 | 4852 |
| 726 | China | 1 | 11 | 10928 | 16201 |
| 726 | grief | 1 | 11 | 45 | 43 |
| 726 | Peptide | 2 | 11 | 269 | 660 |
| 726 | planning | 2 | 11 | 611 | 2012 |
| 726 | Economic planning | 2 | 11 | 533 | 1540 |
| 733 | Humanities | 3 | 10 | 563 | 3289 |
| 733 | Infection control | 1 | 10 | 534 | 1505 |
| 733 | drug resistance | 1 | 10 | 1389 | 3350 |
| 733 | optical instruments | 2 | 10 | 304 | 868 |
| 733 | Chromatographic analysis | 1 | 10 | 5366 | 8297 |
| 738 | Criminology | 1 | 9 | 1790 | 2441 |
| 738 | Precision medicine | 1 | 9 | 419 | 962 |
| 738 | blood substitutes | 1 | 9 | 135 | 234 |
| 738 | Library Science | 4 | 9 | 63 | 869 |
| 738 | Earth Sciences | 2 | 9 | 5431 | 12493 |
| 738 | artificial cells | 1 | 9 | 171 | 268 |
| 738 | Military psychology | 2 | 9 | 67 | 273 |
| 745 | Special Education | 1 | 8 | 1023 | 1436 |
| 745 | Photography | 3 | 8 | 235 | 593 |
| 745 | Nonverbal Communication | 1 | 8 | 261 | 641 |
| 745 | Neurogenesis | 1 | 8 | 16 | 70 |
| 745 | ethnicity | 1 | 8 | 973 | 2036 |
| 745 | health and race | 1 | 8 | 312 | 901 |
| 745 | Body language | 1 | 8 | 149 | 392 |
| 745 | Cell division | 3 | 8 | 260 | 2648 |
| 745 | Holistic Health | 2 | 8 | 395 | 1876 |
| 745 | ethnic groups | 1 | 8 | 566 | 1485 |
| 745 | Statistical models | 1 | 8 | 261 | 403 |
| 756 | Chemical processes | 1 | 7 | 1077 | 1974 |
| 756 | Hippocampus | 1 | 7 | 820 | 2019 |
| 758 | Occupational Therapy | 1 | 6 | 1964 | 3215 |
| 758 | Ethics | 2 | 6 | 1240 | 3958 |
| 758 | Stochastic Processes | 1 | 6 | 1828 | 3152 |
| 758 | environmental justice | 1 | 6 | 67 | 162 |
| 758 | Health care reform | 1 | 6 | 82 | 216 |
| 758 | social justice | 1 | 6 | 453 | 901 |
| 758 | Protozoa | 2 | 6 | 386 | 1567 |
| 758 | disabilities | 1 | 6 | 1549 | 3376 |
| 758 | Hearing | 1 | 6 | 1349 | 2559 |
| 758 | Evolution | 2 | 6 | 3947 | 11360 |
| 758 | allied health | 1 | 6 | 456 | 1253 |
| 758 | Allergies | 1 | 6 | 287 | 836 |
| 770 | Nuclear Medicine | 1 | 5 | 3181 | 5614 |
| 770 | Emergency Nursing | 1 | 5 | 214 | 524 |
| 770 | Criminal psychology | 1 | 5 | 1422 | 2445 |
| 770 | Environmental Chemistry | 1 | 5 | 6159 | 12123 |
| 770 | Radiochemistry | 2 | 5 | 1053 | 2653 |
| 770 | Radiopharmaceuticals | 1 | 5 | 649 | 1155 |
| 770 | Multivariate Analysis | 1 | 5 | 825 | 1445 |
| 770 | Vaccination | 1 | 5 | 361 | 1131 |
| 770 | biological monitoring | 1 | 5 | 906 | 2460 |
| 770 | Immune response | 2 | 5 | 7 | 182 |
| 780 | Anthropology | 1 | 4 | 3027 | 5368 |
| 780 | Data Mining | 1 | 4 | 4094 | 10213 |
| 780 | Hydrology | 2 | 4 | 4047 | 11955 |
| 780 | Forensic Psychiatry | 1 | 4 | 1272 | 2404 |
| 780 | Cognitive Science | 1 | 4 | 4118 | 8575 |
| 780 | Cardiopulmonary Resuscitation | 1 | 4 | 183 | 344 |
| 780 | Hypertension in pregnancy | 5 | 4 | 70 | 955 |
| 780 | cardiac arrest | 1 | 4 | 183 | 344 |
| 780 | men | 1 | 4 | 313 | 1098 |
| 780 | data collection | 1 | 4 | 2423 | 7092 |
| 780 | Great Lakes | 2 | 4 | 217 | 818 |
| 780 | Israel | 1 | 4 | 297 | 467 |
| 792 | Geriatric Nursing | 1 | 3 | 893 | 2031 |
| 792 | Music Therapy | 1 | 3 | 288 | 803 |
| 792 | Art Therapy | 1 | 3 | 240 | 678 |
| 792 | civil rights | 1 | 3 | 705 | 1779 |
| 792 | Dance therapy | 1 | 3 | 222 | 580 |
| 792 | Sexuality | 1 | 3 | 579 | 1529 |
| 792 | Glycomics | 1 | 3 | 2 | 4 |
| 792 | animals | 1 | 3 | 2606 | 5606 |
| 792 | Documentation | 2 | 3 | 159 | 686 |
| 792 | Opioids | 1 | 3 | 3 | 37 |
| 792 | Soviet Union | 1 | 3 | 818 | 1933 |
| 792 | recreation | 1 | 3 | 863 | 1808 |
| 804 | Electrical Engineering | 1 | 2 | 7986 | 11346 |
| 804 | Computer Science | 1 | 2 | 5119 | 10312 |
| 804 | Neurogenetics | 1 | 2 | 750 | 2192 |
| 804 | Solid State Physics | 1 | 2 | 9800 | 16248 |
| 804 | Computer Vision | 1 | 2 | 2623 | 5455 |
| 804 | Industrial Microbiology | 1 | 2 | 6195 | 13167 |
| 804 | Integrative Medicine | 1 | 2 | 522 | 1832 |
| 804 | Social welfare | 1 | 2 | 954 | 2678 |
| 804 | Biodiversity conservation | 1 | 2 | 3529 | 7502 |
| 804 | Vascular malformations | 2 | 2 | 15 | 76 |
| 804 | mental processes | 1 | 2 | 986 | 2192 |
| 804 | Biodiversity | 1 | 2 | 6054 | 13077 |
| 804 | Bereavement | 1 | 2 | 226 | 854 |
| 817 | Political Science | 1 | 1 | 2606 | 4830 |
| 817 | Gender Studies | 1 | 1 | 872 | 2652 |
| 817 | Visual Communication | 1 | 1 | 677 | 1657 |
| 817 | Hematopoiesis | 1 | 1 | 76 | 277 |
| 817 | Fishery management | 1 | 1 | 1200 | 3159 |
| 817 | Medical Illustration | 1 | 1 | 15 | 83 |
| 817 | Politics | 1 | 1 | 370 | 822 |
| 817 | Feminism | 1 | 1 | 807 | 2255 |
| 817 | Enteral nutrition | 1 | 1 | 2240 | 5716 |
| 817 | Malaria | 1 | 1 | 1560 | 3790 |
| 817 | men's health | 1 | 1 | 34 | 158 |
| 817 | libraries | 1 | 1 | 272 | 694 |
| 817 | government | 1 | 1 | 801 | 1746 |
| 817 | Estuaries | 1 | 1 | 190 | 474 |
| 817 | probabilities | 2 | 1 | 1945 | 4234 |
| 817 | Cerebellum | 1 | 1 | 713 | 2085 |
| 817 | Aquaculture | 1 | 1 | 2811 | 6124 |
| 817 | Cerebellar ataxia | 1 | 1 | 711 | 2081 |
| 835 | History | 1 | 0 | 836 | 1694 |
| 835 | Ergonomics | 1 | 0 | 1694 | 3730 |
| 835 | Public Administration | 1 | 0 | 1905 | 4327 |
| 835 | Mobile genetic elements | 1 | 0 | 169 | 727 |
| 835 | Electrochemical Analysis | 1 | 0 | 3637 | 6732 |
| 835 | Hearing Aids | 1 | 0 | 387 | 905 |
| 835 | Mood Disorders | 1 | 0 | 26 | 130 |
| 835 | Sociobiology | 1 | 0 | 510 | 1318 |
| 835 | Microwaves | 1 | 0 | 2338 | 4412 |
| 835 | social aspects | 1 | 0 | 122 | 403 |
| 835 | Structure-activity relationship | 1 | 0 | 487 | 1517 |
| 835 | DNA | 1 | 0 | 1368 | 4228 |
| 835 | Primates | 1 | 0 | 1650 | 3641 |