| 1 | Biochemistry | 1,809 | 89.4K | 189 | 153 |
| 2 | Science | 949 | 89.3K | 330 | 286 |
| 3 | Neurology | 1,486 | 82.2K | 97 | 117 |
| 4 | Medicine | 1,485 | 74.9K | 200 | 216 |
| 5 | Biology | 1,086 | 73.0K | 275 | 329 |
| 6 | Virology | 864 | 66.4K | 30 | 66 |
| 7 | Microbiology | 799 | 58.7K | 179 | 144 |
| 8 | Molecular Biology | 786 | 48.2K | 322 | 294 |
| 9 | Physics | 246 | 42.3K | 1,120 | 573 |
| 10 | Research | 950 | 40.6K | 232 | 197 |
| 11 | viruses | 442 | 38.2K | 18 | 15 |
| 12 | Physiology | 588 | 36.1K | 110 | 81 |
| 13 | Endocrinology | 505 | 34.1K | 99 | 91 |
| 14 | Natural history | 127 | 32.0K | 348 | 333 |
| 15 | Immunology | 550 | 28.9K | 94 | 122 |
| 16 | Cell Biology | 373 | 28.2K | 207 | 223 |
| 17 | Obstetrics | 743 | 27.8K | 30 | 27 |
| 18 | Cytology | 373 | 27.0K | 246 | 238 |
| 19 | Metabolism | 263 | 24.9K | 138 | 94 |
| 20 | Brain | 391 | 23.4K | 77 | 63 |
| 21 | Neurophysiology | 321 | 21.7K | 149 | 131 |
| 22 | Metabolic diseases | 219 | 21.2K | 116 | 93 |
| 23 | Immunity | 216 | 21.1K | 76 | 108 |
| 24 | Pharmacology | 521 | 21.1K | 239 | 178 |
| 25 | Biophysics | 547 | 18.9K | 234 | 249 |
| 26 | Medical Microbiology | 263 | 15.7K | 57 | 56 |
| 27 | Chemistry | 256 | 15.6K | 1,191 | 940 |
| 28 | Psychiatry | 205 | 15.5K | 336 | 240 |
| 29 | Nutrition | 283 | 14.8K | 182 | 157 |
| 30 | Geriatrics | 490 | 14.5K | 60 | 84 |
| 31 | Psychology | 187 | 14.3K | 495 | 246 |
| 32 | Host-parasite interactions | 126 | 13.9K | 44 | 37 |
| 33 | pain | 136 | 13.2K | 69 | 50 |
| 34 | Pediatrics | 312 | 13.0K | 92 | 112 |
| 35 | Surgery | 127 | 11.9K | 133 | 188 |
| 36 | Environment | 173 | 11.9K | 467 | 487 |
| 37 | Neurochemistry | 243 | 11.7K | 102 | 98 |
| 38 | Toxicology | 355 | 11.4K | 153 | 197 |
| 39 | Vaccines | 268 | 11.3K | 18 | 17 |
| 40 | Genetics | 176 | 10.8K | 302 | 321 |
| 41 | Respiration | 186 | 10.6K | 53 | 36 |
| 42 | Virulence | 111 | 10.4K | 49 | 43 |
| 43 | Neurobiology | 197 | 10.3K | 82 | 117 |
| 44 | Aging | 342 | 10.2K | 79 | 119 |
| 45 | Human genetics | 55 | 10.1K | 386 | 377 |
| 46 | Epidemiology | 185 | 10.1K | 260 | 198 |
| 47 | Diagnostic microbiology | 119 | 9.8K | 44 | 43 |
| 48 | United States | 308 | 9.7K | 294 | 301 |
| 49 | Public Health | 248 | 9.2K | 370 | 353 |
| 50 | Clinical Psychology | 35 | 8.3K | 296 | 72 |
| 51 | Diet | 82 | 8.1K | 236 | 139 |
| 52 | Cancer | 175 | 8.1K | 281 | 327 |
| 53 | rehabilitation | 162 | 7.9K | 106 | 78 |
| 54 | Gerontology | 301 | 7.0K | 54 | 47 |
| 55 | Dermatology | 294 | 6.9K | 54 | 86 |
| 56 | Reproduction | 219 | 6.7K | 93 | 118 |
| 57 | free radicals | 103 | 6.6K | 52 | 55 |
| 58 | Physical Therapy | 129 | 6.6K | 70 | 63 |
| 59 | Pathology | 133 | 6.5K | 191 | 189 |
| 60 | Pharmaceutical Chemistry | 141 | 6.2K | 359 | 305 |
| 61 | Bacteriology | 109 | 6.1K | 170 | 189 |
| 62 | Medical genetics | 90 | 5.7K | 372 | 350 |
| 63 | nucleic acids | 88 | 5.3K | 208 | 265 |
| 64 | Nervous system | 102 | 5.2K | 264 | 261 |
| 65 | Environmental Health | 124 | 5.0K | 639 | 665 |
| 66 | Memory | 188 | 4.8K | 96 | 158 |
| 67 | Clinical Chemistry | 138 | 4.8K | 217 | 249 |
| 68 | Perception | 188 | 4.7K | 105 | 151 |
| 69 | Attention | 187 | 4.7K | 81 | 117 |
| 70 | Visual Perception | 186 | 4.7K | 80 | 109 |
| 71 | Molecular structure | 44 | 4.5K | 448 | 162 |
| 72 | Psychophysiology | 113 | 4.4K | 390 | 406 |
| 73 | Medical Oncology | 104 | 4.3K | 149 | 163 |
| 74 | Cytogenetics | 45 | 4.3K | 225 | 177 |
| 75 | mycoses | 35 | 4.3K | 75 | 61 |
| 76 | Bacterial infections | 35 | 4.2K | 88 | 68 |
| 77 | Immunotherapy | 58 | 4.1K | 247 | 216 |
| 78 | Ophthalmology | 122 | 4.1K | 157 | 174 |
| 79 | Allergy | 39 | 3.9K | 224 | 204 |
| 80 | medical education | 172 | 3.8K | 110 | 137 |
| 81 | drug therapy | 112 | 3.7K | 216 | 219 |
| 82 | Neurons | 18 | 3.7K | 198 | 193 |
| 83 | Liver diseases | 73 | 3.7K | 181 | 258 |
| 84 | Critical Care | 62 | 3.5K | 216 | 255 |
| 85 | Critical Care Medicine | 61 | 3.5K | 219 | 260 |
| 86 | Nutrition physiology | 26 | 3.5K | 114 | 21 |
| 87 | Sports | 44 | 3.4K | 471 | 201 |
| 88 | Cardiovascular system | 73 | 3.4K | 241 | 348 |
| 89 | Hematology | 122 | 3.4K | 341 | 412 |
| 90 | Medical Anthropology | 51 | 3.4K | 184 | 151 |
| 91 | Occupational Therapy | 223 | 3.3K | 17 | 23 |
| 92 | older people | 256 | 3.3K | 53 | 67 |
| 93 | disease vectors | 82 | 3.3K | 34 | 28 |
| 94 | Environmental Toxicology | 49 | 3.3K | 347 | 225 |
| 95 | Sociology | 69 | 3.2K | 468 | 335 |
| 96 | proteins | 104 | 3.2K | 140 | 196 |
| 97 | Neuropsychology | 71 | 3.2K | 355 | 287 |
| 98 | Long-Term Care | 36 | 3.1K | 61 | 46 |
| 98 | Long-term care facilities | 36 | 3.1K | 61 | 46 |
| 100 | Membranes | 89 | 3.1K | 196 | 260 |
| 101 | Hypertension | 66 | 3.0K | 259 | 371 |
| 102 | Diabetes mellitus | 48 | 2.9K | 360 | 336 |
| 103 | Biotechnology | 53 | 2.9K | 1,360 | 1,182 |
| 104 | Neurovirology | 30 | 2.9K | 20 | 4 |
| 105 | Steroids | 78 | 2.7K | 46 | 44 |
| 106 | Diabetes | 45 | 2.7K | 410 | 370 |
| 107 | Sports Medicine | 72 | 2.7K | 381 | 333 |
| 108 | Therapeutics | 75 | 2.7K | 195 | 221 |
| 109 | drug development | 64 | 2.7K | 54 | 148 |
| 110 | Parenteral nutrition | 59 | 2.6K | 77 | 122 |
| 111 | Immune system | 20 | 2.6K | 269 | 256 |
| 112 | Radiobiology | 69 | 2.6K | 160 | 169 |
| 113 | Chronic diseases | 18 | 2.6K | 205 | 135 |
| 114 | Medical innovations | 54 | 2.6K | 70 | 178 |
| 115 | Zoonoses | 62 | 2.6K | 2 | 2 |
| 116 | Nutritional support | 20 | 2.6K | 14 | 2 |
| 117 | Child | 117 | 2.5K | 186 | 246 |
| 118 | Behavior | 63 | 2.5K | 593 | 650 |
| 118 | Oxidation-reduction | 24 | 2.5K | 156 | 115 |
| 120 | Psychopharmacology | 38 | 2.5K | 322 | 274 |
| 121 | Hormones | 63 | 2.5K | 134 | 149 |
| 122 | Signal Transduction | 29 | 2.4K | 307 | 226 |
| 123 | Ecology | 39 | 2.4K | 1,806 | 1,516 |
| 124 | Social Psychology | 46 | 2.4K | 477 | 418 |
| 125 | Health | 79 | 2.4K | 212 | 233 |
| 126 | Oncogenes | 36 | 2.4K | 223 | 258 |
| 127 | Health Education | 66 | 2.4K | 253 | 196 |
| 128 | Gene expression regulation | 29 | 2.4K | 153 | 128 |
| 129 | Digestive system diseases | 101 | 2.4K | 34 | 55 |
| 130 | Histology | 75 | 2.4K | 208 | 262 |
| 130 | Genomics | 40 | 2.4K | 719 | 488 |
| 132 | Mental Disorders | 51 | 2.3K | 511 | 536 |
| 132 | Entomology | 43 | 2.3K | 483 | 213 |
| 134 | Genetic regulation | 30 | 2.3K | 203 | 187 |
| 135 | protein | 64 | 2.3K | 105 | 143 |
| 136 | mutagens | 43 | 2.3K | 84 | 78 |
| 137 | Tropical Medicine | 98 | 2.3K | 81 | 98 |
| 138 | Carcinogenesis | 50 | 2.2K | 83 | 90 |
| 139 | Parasitology | 70 | 2.2K | 278 | 222 |
| 140 | carcinogens | 45 | 2.2K | 90 | 87 |
| 141 | Mental illness | 47 | 2.2K | 351 | 402 |
| 142 | Thrombosis | 29 | 2.2K | 267 | 184 |
| 143 | genome | 27 | 2.2K | 366 | 352 |
| 144 | Adolescent | 92 | 2.2K | 198 | 252 |
| 145 | vascular diseases | 26 | 2.1K | 177 | 147 |
| 146 | Immunopathology | 56 | 2.1K | 169 | 165 |
| 147 | Developmental Genetics | 17 | 2.1K | 148 | 129 |
| 147 | viral genetics | 17 | 2.1K | 83 | 105 |
| 149 | General Surgery | 89 | 2.1K | 59 | 41 |
| 150 | Bioengineering | 27 | 2.1K | 1,345 | 1,003 |
| 151 | Anatomy | 54 | 2.0K | 352 | 331 |
| 152 | Chromosomes | 55 | 2.0K | 72 | 81 |
| 153 | Child Development | 37 | 2.0K | 449 | 353 |
| 154 | Nanotechnology | 29 | 2.0K | 1,698 | 1,268 |
| 155 | mutation | 48 | 1.9K | 27 | 42 |
| 156 | Orthopedics | 84 | 1.9K | 158 | 206 |
| 157 | Antioxidants | 18 | 1.8K | 176 | 114 |
| 158 | preventive medicine | 78 | 1.8K | 106 | 202 |
| 159 | Education | 27 | 1.7K | 1,179 | 551 |
| 160 | Oxidative stress | 25 | 1.7K | 104 | 116 |
| 161 | Biomedical Engineering | 58 | 1.7K | 1,060 | 1,116 |
| 162 | arthritis | 24 | 1.7K | 344 | 305 |
| 163 | Nursing | 73 | 1.7K | 184 | 154 |
| 164 | infection | 40 | 1.6K | 304 | 305 |
| 165 | Autoimmunity | 33 | 1.6K | 111 | 116 |
| 165 | Transplantation | 57 | 1.6K | 149 | 233 |
| 167 | Exercise | 10 | 1.6K | 772 | 163 |
| 168 | Adolescent Medicine | 33 | 1.6K | 88 | 131 |
| 169 | Parasitic Diseases | 39 | 1.6K | 345 | 292 |
| 170 | Urology | 90 | 1.6K | 189 | 301 |
| 171 | alcoholism | 43 | 1.6K | 280 | 274 |
| 172 | Disease | 11 | 1.6K | 83 | 237 |
| 173 | Elderly | 203 | 1.5K | 50 | 56 |
| 174 | Substance Abuse | 39 | 1.5K | 287 | 210 |
| 175 | Obesity | 47 | 1.5K | 365 | 441 |
| 176 | Neuroimmunology | 44 | 1.5K | 60 | 132 |
| 177 | Molecular Pharmacology | 29 | 1.5K | 143 | 133 |
| 178 | enzymes | 45 | 1.5K | 204 | 226 |
| 179 | Oncology | 46 | 1.5K | 369 | 827 |
| 180 | Chemotherapy | 46 | 1.4K | 207 | 204 |
| 180 | Pediatric Neurology | 21 | 1.4K | 283 | 318 |
| 182 | Social Sciences | 47 | 1.4K | 690 | 508 |
| 183 | Health insurance | 27 | 1.4K | 79 | 84 |
| 184 | Computational Chemistry | 9 | 1.4K | 344 | 126 |
| 185 | cell physiology | 43 | 1.4K | 282 | 418 |
| 186 | Organic Chemistry | 59 | 1.4K | 727 | 786 |
| 187 | Enteral nutrition | 26 | 1.4K | 156 | 168 |
| 188 | Health Policy | 48 | 1.3K | 404 | 403 |
| 189 | Spine | 16 | 1.3K | 233 | 135 |
| 190 | Child psychology | 28 | 1.3K | 409 | 416 |
| 191 | Animal Behavior | 30 | 1.3K | 542 | 540 |
| 192 | Proteome | 47 | 1.3K | 141 | 255 |
| 193 | diseases | 4 | 1.3K | 237 | 264 |
| 194 | complementary therapies | 64 | 1.3K | 105 | 153 |
| 195 | Bioorganic chemistry | 53 | 1.3K | 555 | 690 |
| 196 | Otolaryngology | 52 | 1.3K | 67 | 74 |
| 197 | United Kingdom | 31 | 1.3K | 360 | 376 |
| 198 | Medical Physics | 52 | 1.3K | 313 | 400 |
| 199 | Microscopy | 16 | 1.2K | 463 | 156 |
| 200 | Embryology | 23 | 1.2K | 479 | 435 |
| 201 | Mental Health Services | 32 | 1.2K | 252 | 180 |
| 201 | fertility | 43 | 1.2K | 167 | 249 |
| 203 | Women's health | 54 | 1.2K | 115 | 140 |
| 204 | miniaturization | 12 | 1.2K | 870 | 586 |
| 205 | Family | 26 | 1.2K | 246 | 167 |
| 206 | Pollution | 40 | 1.2K | 1,554 | 1,924 |
| 207 | Medical Ethics | 131 | 1.2K | 41 | 100 |
| 208 | Health promotion | 38 | 1.2K | 198 | 206 |
| 209 | Analytical Chemistry | 28 | 1.2K | 1,604 | 1,354 |
| 210 | DNA repair | 21 | 1.2K | 44 | 33 |
| 211 | Clinical Immunology | 43 | 1.2K | 172 | 217 |
| 212 | Infertility | 38 | 1.2K | 169 | 250 |
| 213 | Physical Chemistry | 43 | 1.1K | 521 | 641 |
| 214 | personality | 22 | 1.1K | 520 | 489 |
| 215 | Genetic therapy | 26 | 1.1K | 248 | 243 |
| 216 | Genetic Toxicology | 24 | 1.1K | 39 | 49 |
| 217 | gene therapy | 27 | 1.1K | 217 | 249 |
| 218 | Parasites | 35 | 1.1K | 287 | 251 |
| 219 | drug addiction | 25 | 1.1K | 315 | 279 |
| 220 | Developmental Biology | 27 | 1.1K | 548 | 639 |
| 221 | Growth | 13 | 1.1K | 482 | 433 |
| 222 | Emerging infectious diseases | 29 | 1.1K | 14 | 23 |
| 223 | Insects | 7 | 1.1K | 960 | 249 |
| 224 | Botany | 12 | 1.1K | 1,960 | 1,264 |
| 225 | gene mapping | 15 | 1.1K | 730 | 541 |
| 226 | Community Psychiatry | 20 | 1.1K | 268 | 205 |
| 227 | Clinical Biochemistry | 38 | 1.0K | 164 | 214 |
| 228 | North America | 31 | 1.0K | 125 | 71 |
| 229 | Chromosome mapping | 14 | 1.0K | 693 | 473 |
| 230 | Hemodynamics | 21 | 1.0K | 216 | 261 |
| 230 | Bioinformatics | 33 | 1.0K | 485 | 568 |
| 232 | human behavior | 28 | 1.0K | 686 | 877 |
| 233 | Computational Biology | 35 | 1.0K | 566 | 691 |
| 234 | Materials | 8 | 1.0K | 3,351 | 1,943 |
| 235 | Microbial Ecology | 15 | 1.0K | 941 | 832 |
| 236 | Autoimmune diseases | 30 | 991 | 81 | 106 |
| 237 | Rheumatology | 13 | 988 | 477 | 339 |
| 238 | Reproductive toxicology | 9 | 982 | 148 | 60 |
| 239 | Immunochemistry | 25 | 968 | 186 | 133 |
| 240 | Microelectronics | 6 | 967 | 1,218 | 598 |
| 241 | Psychosomatic Medicine | 19 | 956 | 221 | 200 |
| 242 | nuclear magnetic resonance | 37 | 954 | 233 | 215 |
| 243 | Evolutionary Genetics | 12 | 951 | 156 | 45 |
| 243 | Molecular Epidemiology | 12 | 951 | 156 | 45 |
| 243 | Analytical Biochemistry | 40 | 951 | 248 | 349 |
| 246 | Autoantibodies | 29 | 945 | 74 | 96 |
| 247 | Infections | 18 | 922 | 347 | 361 |
| 248 | Immunopharmacology | 25 | 909 | 197 | 171 |
| 249 | Medical Laboratory Science | 35 | 901 | 437 | 674 |
| 250 | Systems Biology | 26 | 896 | 387 | 338 |
| 251 | Emergency Medicine | 50 | 894 | 201 | 220 |
| 251 | Cell metabolism | 5 | 894 | 445 | 366 |
| 253 | Mental Health | 29 | 881 | 375 | 309 |
| 254 | blood transfusion | 42 | 874 | 92 | 120 |
| 255 | Alternative Medicine | 51 | 870 | 120 | 232 |
| 256 | Environmental monitoring | 24 | 867 | 1,376 | 1,449 |
| 257 | Automation | 9 | 859 | 1,329 | 797 |
| 258 | histological techniques | 25 | 857 | 118 | 191 |
| 259 | Vaccination | 24 | 855 | 8 | 13 |
| 260 | Ethnology | 17 | 854 | 487 | 171 |
| 261 | Homeostasis | 3 | 835 | 370 | 364 |
| 262 | Cell differentiation | 31 | 830 | 411 | 651 |
| 263 | environmental pollution | 37 | 815 | 1,241 | 1,781 |
| 264 | cytokines | 31 | 814 | 183 | 311 |
| 264 | recreation | 9 | 814 | 349 | 86 |
| 266 | Lipids | 13 | 812 | 524 | 397 |
| 267 | Biocompatible Materials | 20 | 808 | 1,465 | 1,533 |
| 268 | Cellular senescence | 13 | 805 | 30 | 81 |
| 268 | Brain damage | 17 | 805 | 85 | 56 |
| 270 | Biochemical Engineering | 10 | 796 | 1,793 | 1,568 |
| 271 | Psychiatric hospitals | 9 | 793 | 141 | 62 |
| 272 | counseling | 22 | 791 | 419 | 330 |
| 273 | Ethology | 20 | 785 | 547 | 606 |
| 274 | dietary supplements | 1 | 776 | 1,448 | 128 |
| 275 | cell interaction | 15 | 769 | 351 | 315 |
| 275 | hygiene | 18 | 769 | 70 | 46 |
| 277 | Diagnostic Imaging | 16 | 766 | 686 | 501 |
| 278 | Mitochondria | 9 | 754 | 53 | 20 |
| 279 | Marine Biology | 11 | 750 | 1,346 | 885 |
| 280 | Psychoneuroimmunology | 19 | 743 | 135 | 211 |
| 281 | violence | 31 | 739 | 211 | 284 |
| 282 | Molecular Microbiology | 11 | 737 | 411 | 414 |
| 283 | Recombinant DNA | 30 | 725 | 295 | 373 |
| 284 | Alzheimer's disease | 114 | 722 | 130 | 323 |
| 285 | Developmental Neurobiology | 47 | 718 | 12 | 69 |
| 286 | behavioral medicine | 21 | 713 | 364 | 479 |
| 287 | Mass Spectrometry | 36 | 712 | 225 | 323 |
| 288 | Proteomics | 20 | 710 | 261 | 325 |
| 289 | Sleep Disorders | 28 | 702 | 396 | 418 |
| 290 | Molecular evolution | 15 | 697 | 575 | 558 |
| 290 | Exercise therapy | 11 | 697 | 104 | 18 |
| 292 | Vision | 12 | 696 | 299 | 235 |
| 293 | Materials Science | 5 | 695 | 3,086 | 1,729 |
| 294 | Anthropology | 18 | 694 | 572 | 365 |
| 295 | Neuropharmacology | 15 | 693 | 183 | 134 |
| 296 | families | 9 | 692 | 446 | 169 |
| 297 | Quality of life | 19 | 688 | 404 | 425 |
| 298 | Lung Transplantation | 17 | 687 | 116 | 121 |
| 298 | Heart transplantation | 17 | 687 | 116 | 121 |
| 300 | Environmental pollutants | 14 | 679 | 968 | 773 |
| 301 | Dementia | 113 | 666 | 122 | 302 |
| 302 | Geriatric Psychiatry | 23 | 665 | 210 | 238 |
| 303 | Functional Genomics | 9 | 655 | 95 | 69 |
| 304 | Radiation | 23 | 642 | 691 | 517 |
| 305 | Smoking | 16 | 641 | 250 | 259 |
| 306 | Primary health care | 35 | 621 | 345 | 436 |
| 306 | Cytokine | 26 | 621 | 20 | 117 |
| 308 | Aquaculture | 18 | 616 | 532 | 457 |
| 309 | Nitric oxide | 6 | 615 | 99 | 24 |
| 310 | Bioinorganic chemistry | 4 | 609 | 1,221 | 464 |
| 311 | Family Therapy | 14 | 606 | 277 | 163 |
| 312 | Clinical Pharmacology | 16 | 604 | 477 | 360 |
| 313 | Genetic engineering | 24 | 603 | 623 | 793 |
| 314 | drugs | 23 | 601 | 587 | 634 |
| 315 | psychopathology | 12 | 598 | 124 | 127 |
| 316 | Bioethics | 71 | 589 | 71 | 158 |
| 317 | psychotherapy | 22 | 588 | 411 | 474 |
| 318 | Microorganisms | 4 | 583 | 861 | 468 |
| 319 | Bones | 8 | 574 | 387 | 316 |
| 320 | Neurosurgery | 19 | 573 | 302 | 325 |
| 321 | Medical Technology | 18 | 566 | 473 | 443 |
| 322 | Optics | 11 | 564 | 2,308 | 1,373 |
| 323 | Asthma | 15 | 563 | 169 | 112 |
| 324 | environmental exposure | 16 | 562 | 686 | 703 |
| 325 | Molecular cloning | 21 | 560 | 374 | 440 |
| 325 | Genetic recombination | 21 | 560 | 364 | 434 |
| 327 | Synapses | 12 | 557 | 71 | 69 |
| 328 | Bacteria | 6 | 554 | 188 | 137 |
| 329 | Pediatric Dermatology | 23 | 551 | 74 | 53 |
| 330 | Environmental Engineering | 7 | 550 | 2,494 | 1,570 |
| 331 | Dietetics | 14 | 547 | 231 | 186 |
| 332 | nuclear magnetic resonance spectroscopy | 24 | 546 | 161 | 173 |
| 332 | Europe | 17 | 546 | 1,176 | 926 |
| 334 | environmental protection | 8 | 545 | 2,274 | 1,528 |
| 334 | Developmental Disabilities | 14 | 545 | 397 | 408 |
| 336 | Artificial Organs | 39 | 538 | 69 | 124 |
| 336 | Drug design | 16 | 538 | 519 | 513 |
| 338 | Erectile dysfunction | 18 | 536 | 31 | 29 |
| 339 | Stem cells | 13 | 529 | 604 | 580 |
| 339 | child abuse | 20 | 529 | 221 | 333 |
| 341 | pollutants | 9 | 528 | 1,037 | 786 |
| 342 | Radiology | 36 | 524 | 246 | 312 |
| 343 | Bipolar Disorder | 4 | 517 | 265 | 138 |
| 343 | nanoscience | 8 | 517 | 1,808 | 1,403 |
| 345 | scientific societies | 15 | 516 | 220 | 186 |
| 346 | RNA | 13 | 514 | 187 | 212 |
| 347 | Thorax | 17 | 511 | 125 | 162 |
| 348 | adolescence | 15 | 505 | 347 | 372 |
| 349 | Evolution | 8 | 496 | 1,069 | 844 |
| 350 | disabilities | 14 | 495 | 226 | 176 |
| 351 | Spectrum analysis | 28 | 491 | 1,590 | 1,821 |
| 352 | Pediatric Nursing | 12 | 488 | 139 | 78 |
| 353 | Mycology | 14 | 484 | 687 | 656 |
| 354 | Genetic disorders | 10 | 480 | 204 | 142 |
| 355 | Preoperative Care | 6 | 473 | 17 | 5 |
| 355 | perioperative care | 6 | 473 | 16 | 5 |
| 355 | Sleep | 26 | 473 | 414 | 534 |
| 358 | Speech Disorders | 14 | 469 | 434 | 392 |
| 359 | Endocrine glands | 9 | 463 | 92 | 164 |
| 360 | Obstetric Nursing | 11 | 452 | 104 | 54 |
| 361 | Magnetic Resonance Spectroscopy | 23 | 448 | 369 | 384 |
| 362 | Global Health | 18 | 443 | 286 | 233 |
| 363 | mental health policy | 5 | 442 | 141 | 54 |
| 364 | cross-cultural comparison | 5 | 440 | 359 | 87 |
| 364 | Cell death | 8 | 440 | 652 | 658 |
| 366 | Molecular Genetics | 18 | 439 | 680 | 903 |
| 366 | extraterrestrial environment | 21 | 439 | 109 | 110 |
| 368 | Vocational guidance | 17 | 436 | 318 | 433 |
| 369 | Electronics | 13 | 432 | 1,704 | 1,312 |
| 370 | Religion and Psychology | 13 | 431 | 112 | 44 |
| 371 | Contraception | 18 | 425 | 152 | 178 |
| 372 | Muscles | 13 | 424 | 308 | 393 |
| 373 | biological evolution | 9 | 418 | 1,093 | 1,094 |
| 374 | Personality Disorders | 8 | 417 | 121 | 99 |
| 375 | Comparative Physiology | 13 | 415 | 331 | 343 |
| 376 | astronomical phenomena | 17 | 414 | 117 | 108 |
| 377 | Freshwater Ecology | 5 | 413 | 167 | 12 |
| 377 | Aquatic animals | 5 | 413 | 114 | 32 |
| 379 | Teaching | 4 | 411 | 1,523 | 617 |
| 380 | Pharmacy | 15 | 410 | 841 | 872 |
| 381 | Ecological Engineering | 1 | 402 | 1,105 | 254 |
| 382 | Pharmacogenetics | 15 | 401 | 301 | 388 |
| 383 | visualization | 57 | 400 | 193 | 352 |
| 383 | Speech | 8 | 400 | 537 | 407 |
| 385 | sex crimes | 20 | 397 | 157 | 221 |
| 386 | Interferons | 24 | 391 | 12 | 59 |
| 387 | Health Services Administration | 12 | 386 | 378 | 347 |
| 388 | Travel | 30 | 381 | 104 | 207 |
| 389 | Biopharmaceutics | 13 | 376 | 422 | 491 |
| 390 | breastfeeding | 8 | 368 | 214 | 134 |
| 390 | Electrophysiology | 31 | 368 | 207 | 346 |
| 392 | Developmental Immunology | 7 | 367 | 322 | 259 |
| 393 | Demography | 7 | 366 | 380 | 270 |
| 393 | Cerebral cortex | 10 | 366 | 472 | 515 |
| 395 | Health Services Research | 18 | 363 | 523 | 658 |
| 396 | Anxiety Disorders | 11 | 362 | 207 | 336 |
| 396 | Anxiety | 11 | 362 | 209 | 333 |
| 398 | Psycholinguistics | 6 | 357 | 646 | 492 |
| 399 | Inflammation | 19 | 353 | 295 | 608 |
| 400 | Bioenergetics | 9 | 352 | 425 | 428 |
| 400 | Energy metabolism | 9 | 352 | 325 | 358 |
| 402 | Ethics | 15 | 351 | 309 | 254 |
| 403 | Neurolinguistics | 5 | 350 | 322 | 243 |
| 403 | language | 5 | 350 | 624 | 398 |
| 405 | venom | 15 | 348 | 193 | 255 |
| 405 | Toxins | 15 | 348 | 218 | 296 |
| 407 | Orthopedic Surgery | 18 | 342 | 213 | 283 |
| 408 | Microcirculation | 11 | 338 | 156 | 167 |
| 409 | Youth | 6 | 337 | 454 | 361 |
| 410 | Depression | 9 | 334 | 131 | 241 |
| 411 | Electrocardiography | 25 | 328 | 39 | 61 |
| 412 | musculoskeletal system | 1 | 321 | 274 | 51 |
| 412 | health services | 28 | 321 | 213 | 417 |
| 414 | Holistic Health | 37 | 317 | 17 | 102 |
| 415 | Personality Assessment | 10 | 316 | 269 | 350 |
| 416 | Artificial Intelligence | 12 | 315 | 1,980 | 1,971 |
| 417 | Histochemistry | 16 | 312 | 369 | 450 |
| 417 | health services accessibility | 17 | 312 | 267 | 388 |
| 419 | Marriage | 11 | 311 | 200 | 187 |
| 419 | Blood vessels | 8 | 311 | 159 | 125 |
| 419 | Marriage counseling | 11 | 311 | 105 | 120 |
| 422 | Engineering | 11 | 310 | 2,371 | 1,904 |
| 422 | Biomechanics | 11 | 310 | 601 | 637 |
| 424 | cardiac catheterization | 39 | 306 | 93 | 210 |
| 425 | Pathogens | 7 | 304 | 17 | 5 |
| 426 | Astrocytes | 4 | 303 | 372 | 338 |
| 427 | occupational diseases | 7 | 302 | 441 | 375 |
| 427 | transport vesicles | 1 | 302 | 406 | 292 |
| 429 | Molecular Spectroscopy | 2 | 301 | 2,074 | 873 |
| 430 | ethanol | 8 | 300 | 234 | 186 |
| 430 | Coronary heart disease | 8 | 300 | 61 | 17 |
| 432 | Food | 10 | 299 | 1,733 | 1,841 |
| 433 | Water pollution | 6 | 297 | 1,888 | 1,702 |
| 434 | elder abuse | 13 | 296 | 83 | 130 |
| 435 | calcification | 13 | 294 | 184 | 260 |
| 436 | Cybernetics | 9 | 293 | 905 | 888 |
| 436 | Research Design | 14 | 293 | 431 | 598 |
| 438 | Fluorescence spectroscopy | 1 | 290 | 397 | 69 |
| 438 | Work | 6 | 290 | 200 | 121 |
| 440 | Radiotherapy | 21 | 282 | 82 | 83 |
| 441 | Statistics | 16 | 279 | 1,185 | 1,095 |
| 442 | Retina | 2 | 278 | 188 | 222 |
| 442 | Optical materials | 2 | 278 | 2,626 | 1,658 |
| 442 | eye | 2 | 278 | 236 | 226 |
| 445 | Cognition | 8 | 276 | 1,041 | 929 |
| 446 | Evidence-Based Medicine | 45 | 274 | 47 | 274 |
| 447 | nursing education | 8 | 271 | 49 | 12 |
| 448 | Healing | 36 | 270 | 2 | 19 |
| 448 | Aggression | 6 | 270 | 303 | 299 |
| 450 | Neonatology | 12 | 269 | 168 | 210 |
| 451 | Communication | 13 | 268 | 948 | 1,084 |
| 451 | drug abuse | 12 | 268 | 238 | 267 |
| 453 | Hospitals | 26 | 267 | 96 | 144 |
| 454 | Humanities | 14 | 265 | 645 | 481 |
| 455 | Water | 4 | 264 | 1,991 | 1,726 |
| 455 | Antibodies | 15 | 264 | 183 | 284 |
| 455 | Antigens | 15 | 264 | 269 | 377 |
| 458 | family violence | 12 | 262 | 149 | 257 |
| 459 | Drug delivery systems | 8 | 260 | 918 | 1,011 |
| 460 | Morphology | 8 | 256 | 488 | 336 |
| 461 | Heart Failure | 4 | 253 | 296 | 269 |
| 461 | Information Science | 8 | 253 | 1,596 | 1,578 |
| 463 | Geriatric Nursing | 11 | 252 | 170 | 102 |
| 463 | Socioeconomic Factors | 17 | 252 | 201 | 373 |
| 465 | Electrophoresis | 10 | 251 | 847 | 866 |
| 465 | Biometrics | 7 | 251 | 650 | 505 |
| 467 | Flow cytometry | 9 | 247 | 135 | 171 |
| 468 | Combinatorial chemistry | 7 | 244 | 438 | 517 |
| 468 | Learning | 4 | 244 | 1,042 | 734 |
| 470 | Mutagenesis | 4 | 243 | 328 | 128 |
| 470 | Menopause | 10 | 243 | 110 | 120 |
| 470 | gastrointestinal tract | 7 | 243 | 159 | 282 |
| 473 | vitamin C | 6 | 241 | 216 | 242 |
| 473 | vitamin E | 6 | 241 | 216 | 242 |
| 475 | Neuromuscular diseases | 9 | 239 | 283 | 325 |
| 476 | healthcare disparities | 15 | 237 | 131 | 210 |
| 477 | Physical fitness | 9 | 236 | 562 | 651 |
| 478 | Genes | 13 | 235 | 429 | 563 |
| 479 | Chemical analysis | 3 | 233 | 1,117 | 681 |
| 479 | Growth factors | 3 | 233 | 234 | 220 |
| 481 | health planning | 9 | 232 | 1,263 | 1,073 |
| 482 | Learning disabilities | 3 | 228 | 814 | 452 |
| 483 | Community Psychology | 7 | 223 | 325 | 369 |
| 483 | Hematopoietic stem cell transplantation | 2 | 223 | 494 | 271 |
| 485 | biological factors | 6 | 222 | 1,336 | 1,092 |
| 486 | preimplantation genetic diagnosis | 13 | 220 | 119 | 185 |
| 486 | embryo transfer | 13 | 220 | 130 | 195 |
| 488 | disease outbreaks | 14 | 216 | 168 | 345 |
| 488 | Gastrointestinal diseases | 8 | 216 | 304 | 253 |
| 490 | tomography | 12 | 215 | 116 | 134 |
| 491 | Population Genetics | 2 | 213 | 1,276 | 851 |
| 491 | Molecular ecology | 2 | 213 | 1,129 | 860 |
| 493 | Zoology | 3 | 212 | 2,341 | 1,302 |
| 493 | Invertebrates | 8 | 212 | 309 | 287 |
| 495 | Child welfare | 10 | 211 | 508 | 554 |
| 496 | Public Policy | 11 | 208 | 825 | 1,068 |
| 497 | mammals | 17 | 205 | 329 | 508 |
| 497 | Kidney diseases | 12 | 205 | 353 | 528 |
| 499 | Insect biochemistry | 4 | 202 | 363 | 303 |
| 500 | Histocompatibility Testing | 7 | 201 | 234 | 234 |
| 501 | Patient education | 7 | 200 | 319 | 369 |
| 501 | Malaria | 7 | 200 | 361 | 376 |
| 501 | behavior therapy | 21 | 200 | 268 | 516 |
| 504 | Risk | 2 | 196 | 643 | 351 |
| 505 | Reproductive health | 7 | 195 | 421 | 419 |
| 506 | Occupational Health | 42 | 194 | 113 | 503 |
| 507 | Sexual health | 28 | 192 | 117 | 357 |
| 508 | Industrial Microbiology | 6 | 189 | 1,328 | 1,499 |
| 508 | Geriatric Oncology | 6 | 189 | 320 | 365 |
| 508 | Population | 7 | 189 | 529 | 572 |
| 511 | population policy | 5 | 187 | 100 | 69 |
| 512 | Biochemical Genetics | 14 | 186 | 75 | 90 |
| 512 | Communication in medicine | 7 | 186 | 310 | 306 |
| 514 | Sarcopenia | 4 | 185 | 301 | 369 |
| 514 | Nuclear family | 1 | 185 | 306 | 33 |
| 516 | Educational Psychology | 8 | 184 | 849 | 928 |
| 517 | Stress | 7 | 183 | 110 | 154 |
| 518 | Immunohistochemistry | 10 | 182 | 46 | 45 |
| 519 | Dentistry | 8 | 181 | 404 | 291 |
| 519 | Clinical Trials | 6 | 181 | 274 | 236 |
| 521 | biomedicine | 10 | 179 | 151 | 348 |
| 522 | Pregnancy | 11 | 177 | 310 | 460 |
| 523 | Social Issues | 5 | 176 | 177 | 177 |
| 524 | Telemedicine | 12 | 174 | 82 | 188 |
| 525 | Cardiovascular diseases | 29 | 173 | 436 | 901 |
| 526 | Audiology | 6 | 172 | 507 | 485 |
| 526 | cell proliferation | 10 | 172 | 99 | 179 |
| 528 | Socialization | 6 | 171 | 352 | 460 |
| 528 | Body Image | 3 | 171 | 210 | 192 |
| 528 | role | 6 | 171 | 289 | 387 |
| 531 | Epidemics | 5 | 170 | 347 | 404 |
| 531 | Trace elements | 1 | 170 | 535 | 214 |
| 533 | Social work | 15 | 168 | 559 | 724 |
| 534 | Chromatographic analysis | 10 | 167 | 982 | 1,063 |
| 535 | Political Science | 1 | 165 | 2,320 | 867 |
| 535 | DNS | 9 | 165 | 177 | 303 |
| 535 | DNA | 10 | 165 | 208 | 320 |
| 538 | Decision making | 3 | 164 | 1,453 | 977 |
| 539 | Geriatric Medicine | 7 | 162 | 53 | 79 |
| 539 | Quantitative Research | 2 | 162 | 259 | 190 |
| 541 | ethnicity | 8 | 159 | 356 | 294 |
| 541 | health and race | 8 | 159 | 64 | 104 |
| 543 | Photochemistry | 9 | 158 | 961 | 1,221 |
| 543 | ethnic groups | 7 | 158 | 179 | 197 |
| 543 | Light | 9 | 158 | 495 | 869 |
| 546 | Social problems | 6 | 156 | 414 | 483 |
| 547 | Prisons | 19 | 153 | 43 | 121 |
| 548 | Biodiversity | 2 | 151 | 2,438 | 1,574 |
| 549 | Comparative Psychology | 1 | 148 | 252 | 136 |
| 549 | Primates | 6 | 148 | 473 | 445 |
| 551 | eugenics | 3 | 147 | 536 | 354 |
| 552 | Synaptic Transmission | 8 | 145 | 238 | 365 |
| 553 | Culture techniques | 2 | 143 | 342 | 175 |
| 554 | Nephrology | 9 | 142 | 235 | 464 |
| 554 | Suicide | 4 | 142 | 444 | 365 |
| 554 | motor skills | 3 | 142 | 206 | 146 |
| 557 | Cognitive neuroscience | 4 | 141 | 796 | 840 |
| 557 | Cell cycle | 8 | 141 | 118 | 195 |
| 559 | Green Chemistry | 1 | 140 | 2,235 | 1,663 |
| 559 | Environmental Management | 1 | 140 | 3,807 | 2,688 |
| 561 | prostaglandins | 6 | 139 | 272 | 300 |
| 562 | Forensic Psychiatry | 6 | 138 | 365 | 347 |
| 562 | Informatics | 5 | 138 | 645 | 651 |
| 564 | Developmental Psychology | 5 | 137 | 749 | 815 |
| 565 | Adolescent Psychology | 5 | 136 | 591 | 629 |
| 565 | Statistical physics | 4 | 136 | 2,601 | 2,230 |
| 567 | Forensic Psychology | 5 | 134 | 297 | 238 |
| 568 | Maternal health services | 6 | 133 | 218 | 270 |
| 568 | Liquid chromatography | 8 | 133 | 223 | 169 |
| 570 | Information Theory | 1 | 130 | 1,917 | 990 |
| 570 | Patient Safety | 6 | 130 | 35 | 34 |
| 570 | Uncertainty | 1 | 130 | 342 | 142 |
| 573 | Polymers | 4 | 129 | 3,331 | 2,917 |
| 574 | rural health | 6 | 128 | 112 | 141 |
| 574 | cell membrane | 11 | 128 | 270 | 517 |
| 576 | Palliative Care | 14 | 127 | 276 | 482 |
| 576 | nursing ethics | 3 | 127 | 228 | 182 |
| 578 | Agricultural Chemistry | 5 | 126 | 1,727 | 1,861 |
| 578 | Industry | 1 | 126 | 443 | 329 |
| 580 | Diagnosis | 4 | 123 | 302 | 246 |
| 581 | Hypertension in pregnancy | 6 | 122 | 82 | 71 |
| 582 | Immunogenetics | 4 | 121 | 492 | 465 |
| 583 | Eating Disorders | 4 | 120 | 673 | 670 |
| 583 | Leukemia | 6 | 120 | 569 | 727 |
| 583 | Feeding and Eating Disorders | 4 | 120 | 652 | 647 |
| 586 | health behavior | 10 | 119 | 430 | 736 |
| 586 | Screening | 1 | 119 | 374 | 108 |
| 588 | Respiratory system | 7 | 118 | 320 | 495 |
| 589 | plant molecular biology | 2 | 117 | 1,610 | 1,509 |
| 590 | Teratology | 5 | 116 | 181 | 233 |
| 590 | Environmental Policy | 4 | 116 | 2,747 | 3,067 |
| 590 | Environmental Law | 4 | 116 | 907 | 1,304 |
| 590 | industrial hygiene | 28 | 116 | 157 | 486 |
| 590 | intimate partner violence | 5 | 116 | 19 | 26 |
| 590 | spousal abuse | 5 | 116 | 19 | 26 |
| 590 | women | 10 | 116 | 374 | 412 |
| 597 | Hearing | 7 | 114 | 402 | 509 |
| 597 | amino acids | 5 | 114 | 393 | 525 |
| 597 | Allergies | 2 | 114 | 168 | 81 |
| 600 | Bone diseases | 2 | 113 | 552 | 487 |
| 601 | Neurotoxicology | 4 | 111 | 463 | 562 |
| 601 | poverty | 4 | 111 | 305 | 318 |
| 601 | Risk assessment | 6 | 111 | 357 | 397 |
| 601 | Health Risk Assessment | 6 | 111 | 224 | 296 |
| 605 | behavior modification | 7 | 110 | 247 | 442 |
| 606 | Genetic markers | 8 | 109 | 62 | 155 |
| 607 | Information Systems | 11 | 108 | 629 | 1,180 |
| 608 | physical therapy techniques | 5 | 107 | 78 | 59 |
| 609 | Andrology | 9 | 106 | 278 | 473 |
| 609 | Environmental Chemistry | 6 | 106 | 1,462 | 2,083 |
| 609 | Neuroplasticity | 3 | 106 | 216 | 281 |
| 609 | neuronal plasticity | 3 | 106 | 69 | 162 |
| 609 | liver | 5 | 106 | 212 | 227 |
| 609 | Pancreatic diseases | 3 | 106 | 324 | 266 |
| 615 | Magnetic Resonance Imaging | 6 | 105 | 255 | 334 |
| 616 | Mathematical Physics | 2 | 104 | 3,028 | 1,906 |
| 616 | biochemical markers | 6 | 104 | 358 | 481 |
| 616 | drug toxicity | 3 | 104 | 471 | 438 |
| 619 | School Psychology | 5 | 103 | 338 | 440 |
| 619 | Colloids | 4 | 103 | 2,890 | 3,099 |
| 619 | chromatin | 1 | 103 | 270 | 164 |
| 619 | software | 8 | 103 | 570 | 1,057 |
| 623 | Surface Chemistry | 3 | 102 | 3,157 | 2,999 |
| 623 | Biological Systems | 4 | 102 | 433 | 503 |
| 625 | sports injuries | 10 | 101 | 201 | 403 |
| 626 | peptides | 4 | 98 | 665 | 586 |
| 626 | crime victims | 1 | 98 | 344 | 107 |
| 628 | Geography | 2 | 97 | 2,226 | 1,680 |
| 628 | Cardiac rehabilitation | 1 | 97 | 183 | 98 |
| 628 | DNA methylation | 2 | 97 | 339 | 337 |
| 628 | immigration | 2 | 97 | 271 | 201 |
| 628 | migration policy | 2 | 97 | 280 | 209 |
| 628 | Asylum seeker | 2 | 97 | 221 | 197 |
| 634 | Hemostasis | 6 | 96 | 463 | 572 |
| 634 | Chromatography | 4 | 96 | 1,385 | 1,306 |
| 636 | Birth control | 3 | 95 | 419 | 443 |
| 637 | Environmental Microbiology | 4 | 94 | 1,123 | 1,516 |
| 637 | Organ transplantation | 2 | 94 | 376 | 203 |
| 639 | toxicity testing | 4 | 93 | 509 | 620 |
| 640 | Geriatric Pharmacology | 10 | 92 | 92 | 281 |
| 641 | abnormalities | 4 | 91 | 127 | 171 |
| 641 | polymerization | 2 | 91 | 3,502 | 2,826 |
| 641 | Multiple sclerosis | 6 | 91 | 359 | 372 |
| 644 | school psychologists | 2 | 90 | 239 | 237 |
| 645 | Acarology | 3 | 89 | 280 | 235 |
| 645 | Mites | 3 | 89 | 409 | 281 |
| 645 | Ticks | 3 | 89 | 270 | 232 |
| 645 | Acari | 3 | 89 | 270 | 232 |
| 649 | Neuropsychiatry | 5 | 88 | 592 | 751 |
| 650 | Physical organic chemistry | 4 | 87 | 1,260 | 1,234 |
| 650 | urban health | 3 | 87 | 237 | 270 |
| 650 | Technology | 4 | 87 | 3,038 | 2,980 |
| 650 | Fuzzy systems | 3 | 87 | 1,745 | 1,225 |
| 654 | Crystallography | 15 | 84 | 757 | 915 |
| 655 | Adipose tissue | 1 | 80 | 166 | 67 |
| 656 | Peptide | 2 | 79 | 236 | 136 |
| 657 | Endocrine system | 18 | 77 | 190 | 257 |
| 658 | Molecular Imaging | 3 | 76 | 515 | 593 |
| 658 | Food additives | 2 | 76 | 1,325 | 1,373 |
| 658 | Student Health Services | 8 | 76 | 151 | 288 |
| 661 | Nuclear Medicine | 5 | 74 | 650 | 754 |
| 661 | Plant genetic engineering | 4 | 74 | 706 | 1,018 |
| 661 | Extracellular matrix | 1 | 74 | 372 | 354 |
| 661 | Intelligent Control Systems | 2 | 74 | 1,523 | 768 |
| 661 | collagen | 1 | 74 | 395 | 366 |
| 666 | Fishery management | 5 | 73 | 623 | 774 |
| 666 | Cytoskeleton | 9 | 73 | 115 | 327 |
| 666 | Human physiology | 3 | 73 | 89 | 68 |
| 666 | X-ray crystallography | 10 | 73 | 276 | 405 |
| 666 | cloning | 3 | 73 | 546 | 784 |
| 666 | sexual behavior | 8 | 73 | 356 | 724 |
| 672 | Melanoma | 2 | 72 | 241 | 254 |
| 673 | Pharmacogenomics | 1 | 71 | 499 | 340 |
| 673 | Psychometrics | 3 | 71 | 440 | 451 |
| 673 | Veterinary Immunology | 3 | 71 | 321 | 335 |
| 676 | Radiography | 8 | 70 | 388 | 902 |
| 676 | Computer-Aided Design | 2 | 70 | 1,457 | 1,176 |
| 676 | paraphilias | 5 | 70 | 100 | 212 |
| 679 | Japan | 1 | 69 | 2,642 | 1,533 |
| 680 | Food Microbiology | 3 | 68 | 1,179 | 1,612 |
| 680 | Immunotoxicology | 5 | 68 | 171 | 277 |
| 680 | Public opinion | 3 | 68 | 412 | 477 |
| 683 | Computer Graphics | 2 | 67 | 1,903 | 1,588 |
| 683 | Solid State Chemistry | 2 | 67 | 2,641 | 2,270 |
| 683 | Organometallic chemistry | 1 | 67 | 2,810 | 1,909 |
| 683 | Business communication | 1 | 67 | 296 | 184 |
| 687 | Probability | 1 | 66 | 957 | 625 |
| 687 | Risk Management | 1 | 66 | 1,220 | 755 |
| 687 | Financial management | 1 | 66 | 844 | 677 |
| 690 | Hallucinogens | 1 | 65 | 336 | 219 |
| 691 | Plant Genetics | 1 | 63 | 1,048 | 909 |
| 691 | embryonic development | 3 | 63 | 390 | 485 |
| 691 | Plant physiology | 1 | 63 | 2,621 | 2,303 |
| 691 | vitamins | 2 | 63 | 165 | 234 |
| 695 | Quantum electronics | 2 | 61 | 1,824 | 1,437 |
| 695 | Globalization | 2 | 61 | 738 | 637 |
| 695 | Cerebellum | 1 | 61 | 504 | 355 |
| 695 | international cooperation | 2 | 61 | 745 | 727 |
| 695 | Cerebellar ataxia | 1 | 61 | 504 | 355 |
| 700 | Mathematics | 9 | 60 | 3,731 | 4,071 |
| 701 | Genetic epidemiology | 1 | 59 | 371 | 286 |
| 701 | Biomolecules | 2 | 59 | 579 | 711 |
| 701 | heredity | 1 | 59 | 1,015 | 643 |
| 701 | biopolymers | 2 | 59 | 1,312 | 1,294 |
| 705 | Language Disorders | 3 | 58 | 792 | 832 |
| 706 | Psychiatric Nursing | 6 | 56 | 461 | 725 |
| 706 | Forensic Pathology | 4 | 56 | 114 | 136 |
| 706 | ecosystem | 2 | 56 | 1,465 | 1,679 |
| 706 | Library Science | 2 | 56 | 1,186 | 716 |
| 710 | Protozoa | 1 | 55 | 708 | 537 |
| 711 | Engineering Ethics | 1 | 54 | 388 | 261 |
| 711 | food technology | 2 | 54 | 2,772 | 2,865 |
| 711 | Professional ethics | 1 | 54 | 558 | 361 |
| 711 | Plants | 1 | 54 | 2,688 | 2,223 |
| 711 | Plant cells | 1 | 54 | 1,355 | 1,564 |
| 716 | Systems Analysis | 4 | 53 | 1,020 | 1,261 |
| 716 | primary prevention | 5 | 53 | 262 | 552 |
| 718 | Chemical Ecology | 2 | 52 | 628 | 751 |
| 718 | Nonlinear Dynamics | 3 | 52 | 1,769 | 1,875 |
| 718 | Cell division | 3 | 52 | 338 | 581 |
| 718 | Ultrasonics | 1 | 52 | 1,788 | 1,665 |
| 718 | Ultrasonic Imaging | 1 | 52 | 842 | 635 |
| 718 | pheromones | 2 | 52 | 578 | 720 |
| 718 | Protein engineering | 2 | 52 | 263 | 307 |
| 718 | molecular design | 2 | 52 | 288 | 305 |
| 718 | Ultrasound | 1 | 52 | 1,076 | 869 |
| 718 | Cell communication | 4 | 52 | 465 | 927 |
| 728 | hospice care | 7 | 51 | 282 | 556 |
| 728 | locomotion | 2 | 51 | 751 | 789 |
| 728 | posture | 2 | 51 | 751 | 789 |
| 728 | insurance | 1 | 51 | 659 | 425 |
| 728 | gait | 2 | 51 | 751 | 789 |
| 728 | walking | 2 | 51 | 751 | 789 |
| 734 | Vocational Education | 2 | 50 | 638 | 585 |
| 734 | Morphogenesis | 1 | 50 | 144 | 142 |
| 734 | Organogenesis | 1 | 50 | 86 | 101 |
| 737 | Biosensors | 4 | 49 | 1,095 | 1,942 |
| 737 | Public Health Administration | 3 | 49 | 419 | 398 |
| 737 | Raman spectroscopy | 2 | 49 | 993 | 1,008 |
| 740 | Pharmacokinetics | 2 | 48 | 966 | 1,149 |
| 740 | Dialysis | 12 | 48 | 34 | 66 |
| 740 | Hemodialysis | 12 | 48 | 11 | 15 |
| 740 | Longevity | 2 | 48 | 225 | 275 |
| 740 | rejuvenation | 2 | 48 | 163 | 239 |
| 745 | Medical Imaging | 3 | 47 | 241 | 301 |
| 745 | Neurogenetics | 4 | 47 | 245 | 428 |
| 745 | Nuclear Physics | 1 | 47 | 4,056 | 3,276 |
| 745 | Molecules | 1 | 47 | 2,076 | 1,405 |
| 745 | residential treatment | 1 | 47 | 303 | 189 |
| 745 | allied health | 1 | 47 | 496 | 358 |
| 751 | Meteorology | 2 | 46 | 2,214 | 2,456 |
| 751 | Birds | 3 | 46 | 1,081 | 1,048 |
| 753 | Respiratory Infections | 7 | 45 | 170 | 419 |
| 753 | Influenza | 7 | 45 | 98 | 335 |
| 755 | Disease management | 2 | 44 | 132 | 125 |
| 755 | policy making | 4 | 44 | 17 | 46 |
| 755 | security measures | 4 | 44 | 49 | 82 |
| 758 | feeding behavior | 3 | 43 | 697 | 1,055 |
| 758 | Appetite | 3 | 43 | 618 | 960 |
| 760 | Early Childhood Education | 1 | 42 | 986 | 703 |
| 760 | Geophysics | 5 | 42 | 2,474 | 3,290 |
| 760 | Analytical Toxicology | 2 | 42 | 256 | 316 |
| 760 | Atherosclerosis | 5 | 42 | 98 | 295 |
| 760 | Intellectual disability | 4 | 42 | 659 | 920 |
| 765 | Nanostructures | 3 | 41 | 1,928 | 2,413 |
| 765 | Protein folding | 2 | 41 | 107 | 146 |
| 765 | natural products | 1 | 41 | 2,553 | 1,995 |
| 765 | prions | 2 | 41 | 89 | 121 |
| 769 | Criminal psychology | 5 | 40 | 596 | 888 |
| 769 | Schizophrenia | 2 | 40 | 979 | 1,179 |
| 769 | ecological risk assessment | 2 | 40 | 345 | 426 |
| 769 | System analysis | 5 | 40 | 1,886 | 2,644 |
| 769 | Developing countries | 3 | 40 | 2,229 | 2,648 |
| 769 | Autism | 2 | 40 | 755 | 1,013 |
| 769 | Bacterial diseases | 3 | 40 | 259 | 484 |
| 776 | Computer Science | 1 | 39 | 3,047 | 2,217 |
| 776 | glycoproteins | 2 | 39 | 532 | 683 |
| 776 | child mental health | 1 | 39 | 794 | 638 |
| 776 | animals | 4 | 39 | 1,093 | 1,349 |
| 776 | cell movement | 2 | 39 | 304 | 455 |
| 776 | Glycoconjugates | 2 | 39 | 532 | 683 |
| 776 | Oligosaccharide | 2 | 39 | 350 | 522 |
| 776 | Carbohydrates | 2 | 39 | 519 | 656 |
| 776 | chronic disease | 2 | 39 | 362 | 450 |
| 776 | glycolipids | 2 | 39 | 532 | 683 |
| 786 | Genetic Counseling | 2 | 38 | 249 | 261 |
| 786 | Neuroendocrinology | 3 | 38 | 108 | 369 |
| 786 | gene transfer | 1 | 38 | 461 | 406 |
| 786 | DNA polymerases | 1 | 38 | 586 | 812 |
| 786 | genetic transformation | 1 | 38 | 461 | 406 |
| 791 | Ion channels | 1 | 37 | 217 | 193 |
| 791 | drug evaluation | 2 | 37 | 1,406 | 1,659 |
| 793 | Fluid Dynamics | 1 | 36 | 1,579 | 1,337 |
| 793 | Post-traumatic stress disorder | 5 | 36 | 533 | 1,067 |
| 793 | synthesis | 3 | 36 | 1,134 | 1,173 |
| 793 | Marine mammals | 2 | 36 | 306 | 371 |
| 797 | Emergency Medical Services | 1 | 35 | 1,059 | 866 |
| 797 | Metastasis | 1 | 35 | 326 | 490 |
| 797 | brain mapping | 2 | 35 | 669 | 933 |
| 800 | Behavioral Genetics | 1 | 34 | 381 | 397 |
| 800 | human development | 2 | 34 | 953 | 1,212 |
| 802 | Marine Pollution | 2 | 33 | 1,412 | 1,878 |
| 802 | Happiness | 1 | 33 | 871 | 876 |
| 804 | Kinesiology | 1 | 32 | 336 | 299 |
| 804 | Human Geography | 1 | 32 | 1,675 | 1,331 |
| 804 | Kinetics | 1 | 32 | 917 | 722 |
| 804 | Social interaction | 1 | 32 | 616 | 582 |
| 804 | Bioelectronics | 2 | 32 | 1,267 | 1,934 |
| 804 | Pituitary gland | 2 | 32 | 213 | 308 |
| 804 | Fisheries | 3 | 32 | 1,508 | 1,842 |
| 811 | food contamination | 3 | 31 | 1,068 | 1,474 |
| 811 | management | 2 | 31 | 3,624 | 3,919 |
| 813 | Chemical Engineering | 2 | 30 | 3,964 | 4,409 |
| 813 | Herbal medicine | 2 | 30 | 911 | 1,442 |
| 815 | Structural biology | 2 | 29 | 79 | 228 |
| 815 | Animal breeding | 3 | 29 | 725 | 1,043 |
| 815 | Biodegradation | 1 | 29 | 1,316 | 1,410 |
| 815 | Lymphoma | 4 | 29 | 255 | 382 |
| 815 | Multiple Myeloma | 4 | 29 | 249 | 375 |
| 815 | Program Evaluation | 3 | 29 | 76 | 168 |
| 815 | Ornithology | 2 | 29 | 1,083 | 1,093 |
| 815 | Water Microbiology | 1 | 29 | 891 | 889 |
| 815 | evaluation | 3 | 29 | 145 | 265 |
| 815 | Fouling | 1 | 29 | 459 | 531 |
| 815 | Breeding | 3 | 29 | 1,123 | 1,617 |
| 826 | Biodiversity conservation | 1 | 28 | 2,075 | 2,250 |
| 826 | Animal welfare | 2 | 28 | 341 | 524 |
| 826 | nucleotides | 3 | 28 | 323 | 357 |
| 829 | Lipid metabolism | 2 | 27 | 506 | 794 |
| 829 | sexual orientation | 1 | 27 | 302 | 270 |
| 829 | Gender identity | 1 | 27 | 580 | 427 |
| 829 | Lipid | 2 | 27 | 508 | 794 |
| 829 | disaster relief | 1 | 27 | 433 | 439 |
| 834 | Drug targeting | 1 | 26 | 593 | 765 |
| 834 | Pesticides | 2 | 26 | 835 | 1,114 |
| 834 | exobiology | 1 | 26 | 473 | 542 |
| 837 | Visual Communication | 1 | 25 | 849 | 718 |
| 837 | Image Processing | 1 | 25 | 2,799 | 2,680 |
| 837 | Image enhancement | 1 | 25 | 684 | 648 |
| 837 | Radiation effects | 4 | 25 | 525 | 1,254 |
| 841 | Developmental Toxicology | 1 | 24 | 94 | 134 |
| 841 | Apoptosis | 1 | 24 | 528 | 653 |
| 841 | neurotoxins | 1 | 24 | 528 | 653 |
| 841 | Neurotoxic agents | 1 | 24 | 528 | 653 |
| 841 | Cognitive Therapy | 1 | 24 | 993 | 974 |
| 841 | homosexuality | 1 | 24 | 713 | 721 |
| 841 | teratogens | 1 | 24 | 94 | 134 |
| 841 | Familial diseases | 1 | 24 | 305 | 308 |
| 841 | Nerve regeneration | 1 | 24 | 528 | 653 |
| 850 | occupational health and safety | 2 | 23 | 156 | 196 |
| 850 | Molecular recognition | 1 | 23 | 457 | 454 |
| 850 | Antiviral agents | 2 | 23 | 308 | 501 |
| 850 | China | 2 | 23 | 3,102 | 3,592 |
| 850 | Condensed Matter | 2 | 23 | 2,811 | 3,087 |
| 855 | Ergonomics | 3 | 22 | 885 | 1,346 |
| 855 | Crystal growth | 1 | 22 | 1,528 | 1,616 |
| 857 | Special Education | 2 | 21 | 967 | 1,072 |
| 857 | Gene expression | 1 | 21 | 465 | 533 |
| 857 | pain management | 2 | 21 | 667 | 916 |
| 857 | Edible plants | 1 | 21 | 495 | 638 |
| 861 | Industrial Safety | 5 | 20 | 903 | 1,848 |
| 861 | Radiopharmaceuticals | 3 | 20 | 286 | 350 |
| 861 | sanitation | 1 | 20 | 1,983 | 2,476 |
| 861 | Radioisotopes | 3 | 20 | 1,038 | 1,387 |
| 861 | Minority Health | 2 | 20 | 101 | 191 |
| 861 | psychiatric disorders | 2 | 20 | 70 | 109 |
| 861 | Yeast | 1 | 20 | 694 | 823 |
| 861 | NMR | 5 | 20 | 391 | 786 |
| 869 | Signal Processing | 2 | 19 | 2,592 | 3,129 |
| 869 | Genetic translocation | 2 | 19 | 256 | 430 |
| 869 | Animal ecology | 1 | 19 | 1,580 | 1,663 |
| 869 | Qualitative Research | 2 | 19 | 637 | 902 |
| 869 | plasmids | 2 | 19 | 256 | 430 |
| 869 | Psychiatric Epidemiology | 2 | 19 | 567 | 1,030 |
| 875 | Economics | 1 | 18 | 4,487 | 4,176 |
| 875 | Cardiovascular Pharmacology | 1 | 18 | 450 | 566 |
| 875 | Retinal diseases | 3 | 18 | 66 | 55 |
| 875 | cell adhesion molecules | 2 | 18 | 232 | 627 |
| 875 | Sociobiology | 3 | 18 | 205 | 451 |
| 875 | finance | 1 | 18 | 3,109 | 2,968 |
| 875 | drug control | 1 | 18 | 583 | 662 |
| 882 | Literature | 1 | 17 | 1,224 | 404 |
| 882 | Social welfare | 2 | 17 | 719 | 1,005 |
| 882 | social justice | 1 | 17 | 731 | 599 |
| 882 | Randomized Controlled Trials | 1 | 17 | 1,394 | 1,403 |
| 882 | monitoring | 2 | 17 | 333 | 496 |
| 882 | Electromagnetic fields | 1 | 17 | 729 | 495 |
| 882 | California | 1 | 17 | 607 | 647 |
| 882 | magnetic resonance | 4 | 17 | 470 | 839 |
| 890 | Archaeology | 1 | 16 | 1,751 | 1,605 |
| 890 | Pediatric Hematology | 5 | 16 | 256 | 514 |
| 890 | Photonics | 1 | 16 | 2,313 | 2,551 |
| 890 | Medical Law | 2 | 16 | 49 | 53 |
| 890 | Antibacterial agents | 1 | 16 | 964 | 1,309 |
| 890 | Cost control | 2 | 16 | 145 | 208 |
| 890 | foods | 1 | 16 | 286 | 405 |
| 890 | Social behavior | 3 | 16 | 1,134 | 1,868 |
| 890 | Sites | 1 | 16 | 844 | 1,089 |
| 890 | Jurisprudence | 2 | 16 | 1,069 | 1,333 |
| 900 | patient satisfaction | 2 | 15 | 158 | 218 |
| 900 | Hemophilia | 1 | 15 | 519 | 579 |
| 900 | Cardiopulmonary Resuscitation | 1 | 15 | 318 | 254 |
| 900 | cardiac arrest | 1 | 15 | 318 | 254 |
| 904 | Music | 2 | 14 | 1,081 | 1,253 |
| 904 | health workforce | 1 | 14 | 357 | 592 |
| 904 | speech therapy | 2 | 14 | 467 | 660 |
| 904 | medical errors | 3 | 14 | 43 | 181 |
| 904 | voice | 2 | 14 | 588 | 861 |
| 904 | actuators | 1 | 14 | 2,751 | 3,153 |
| 904 | sadness | 1 | 14 | 509 | 624 |
| 904 | men | 1 | 14 | 599 | 724 |
| 904 | Communication Disorders | 2 | 14 | 397 | 557 |
| 904 | Osteoporosis | 2 | 14 | 430 | 756 |
| 904 | Foodborne diseases | 1 | 14 | 478 | 660 |
| 904 | safety | 3 | 14 | 53 | 230 |
| 904 | death | 1 | 14 | 645 | 714 |
| 904 | transducers | 1 | 14 | 2,751 | 3,153 |
| 904 | antisocial personality disorder | 1 | 14 | 509 | 624 |
| 919 | Pediatric Endocrinology | 2 | 13 | 398 | 543 |
| 919 | Adult Education | 2 | 13 | 793 | 1,043 |
| 919 | Precision medicine | 4 | 13 | 153 | 437 |
| 919 | Crystallization | 3 | 13 | 506 | 772 |
| 919 | blood substitutes | 1 | 13 | 144 | 160 |
| 919 | Microfluidics | 1 | 13 | 424 | 588 |
| 919 | Metabolic disorders in children | 2 | 13 | 369 | 513 |
| 919 | anesthesia | 3 | 13 | 498 | 795 |
| 919 | professional practice | 14 | 13 | 47 | 183 |
| 919 | artificial cells | 1 | 13 | 180 | 185 |
| 929 | Radiologic Technology | 3 | 12 | 129 | 274 |
| 929 | Community Health Nursing | 1 | 12 | 158 | 225 |
| 929 | Dynamics | 2 | 12 | 1,935 | 2,387 |
| 929 | Interventional Radiology | 3 | 12 | 129 | 274 |
| 929 | Angst | 1 | 12 | 40 | 95 |
| 929 | Heterocyclic chemistry | 3 | 12 | 557 | 1,030 |
| 929 | Psychoanalysis | 1 | 12 | 575 | 427 |
| 929 | Behavioral research | 1 | 12 | 1,189 | 1,372 |
| 929 | Measurement | 2 | 12 | 1,640 | 2,347 |
| 929 | Interventional Radiography | 3 | 12 | 129 | 274 |
| 929 | Endoscopic Surgery | 3 | 12 | 129 | 274 |
| 929 | rare diseases | 2 | 12 | 662 | 1,059 |
| 941 | Music Therapy | 1 | 11 | 411 | 515 |
| 941 | Geographic information systems | 1 | 11 | 1,803 | 2,028 |
| 941 | epilepsy | 2 | 11 | 976 | 1,529 |
| 941 | Cell survival | 1 | 11 | 444 | 730 |
| 941 | Asia | 3 | 11 | 2,816 | 4,139 |
| 941 | body temperature | 1 | 11 | 1,000 | 1,290 |
| 941 | Phytotherapy | 1 | 11 | 1,232 | 1,684 |
| 941 | molecular chaperones | 1 | 11 | 500 | 741 |
| 949 | War | 1 | 10 | 402 | 501 |
| 949 | Microfabrication | 1 | 10 | 652 | 817 |
| 949 | Electron Microscopy | 1 | 10 | 653 | 781 |
| 949 | warfare | 1 | 10 | 495 | 704 |
| 949 | refugees | 1 | 10 | 436 | 581 |
| 949 | Gene library | 1 | 10 | 165 | 311 |
| 949 | Human biology | 2 | 10 | 786 | 1,285 |
| 956 | Chronobiology | 2 | 9 | 640 | 1,112 |
| 956 | Anthropological Linguistics | 7 | 9 | 126 | 382 |
| 956 | Plant Biotechnology | 2 | 9 | 939 | 1,575 |
| 956 | Circadian rhythms | 2 | 9 | 478 | 948 |
| 956 | biological clocks | 2 | 9 | 640 | 1,112 |
| 956 | Genetic polymorphisms | 3 | 9 | 13 | 39 |
| 956 | Obsessive-Compulsive Disorder | 1 | 9 | 201 | 264 |
| 956 | circadian rhythm | 2 | 9 | 640 | 1,112 |
| 956 | animal diseases | 1 | 9 | 842 | 1,199 |
| 956 | biological rhythms | 2 | 9 | 614 | 1,086 |
| 956 | sex differences | 1 | 9 | 287 | 505 |
| 956 | planning | 1 | 9 | 1,351 | 1,726 |
| 968 | pediatric pharmacology | 1 | 8 | 144 | 129 |
| 968 | Biofilms | 1 | 8 | 347 | 628 |
| 968 | Chemical structure | 1 | 8 | 1,020 | 1,202 |
| 968 | Australia | 1 | 8 | 2,780 | 3,181 |
| 972 | Criminology | 1 | 7 | 1,348 | 1,568 |
| 972 | Catalysis | 1 | 7 | 3,622 | 4,215 |
| 972 | Photography | 5 | 7 | 855 | 1,140 |
| 972 | Pharmaceutical Technology | 1 | 7 | 1,998 | 2,518 |
| 972 | Juvenile delinquency | 1 | 7 | 519 | 675 |
| 972 | Poetry | 1 | 7 | 78 | 99 |
| 972 | risk factors | 2 | 7 | 724 | 1,218 |
| 972 | Transport | 1 | 7 | 949 | 1,356 |
| 972 | Sea | 1 | 7 | 847 | 1,212 |
| 972 | data collection | 2 | 7 | 272 | 652 |
| 972 | Fishery resources | 1 | 7 | 935 | 1,315 |
| 972 | Safety management | 2 | 7 | 817 | 1,578 |
| 972 | Radio | 1 | 7 | 1,878 | 2,227 |
| 972 | Cell surface receptors | 1 | 7 | 267 | 447 |
| 972 | crime | 1 | 7 | 1,032 | 1,196 |
| 987 | Food Science | 1 | 6 | 500 | 801 |
| 987 | soil microbiology | 1 | 6 | 2,007 | 2,775 |
| 987 | Feasibility studies | 1 | 6 | 445 | 589 |
| 987 | Brachytherapy | 2 | 6 | 198 | 377 |
| 987 | Employee selection | 1 | 6 | 250 | 446 |
| 987 | Androgens | 1 | 6 | 362 | 562 |
| 987 | race relations | 1 | 6 | 946 | 1,160 |
| 994 | Food Safety | 1 | 5 | 609 | 1,019 |
| 994 | Computer Vision | 1 | 5 | 1,679 | 2,115 |
| 994 | Cost of illness | 1 | 5 | 120 | 209 |
| 994 | Cardiac electrophysiology | 2 | 5 | 287 | 579 |
| 994 | Food Security | 1 | 5 | 320 | 621 |
| 994 | food handling | 1 | 5 | 1,522 | 2,231 |
| 994 | schools | 2 | 5 | 67 | 165 |