| 1 | Medicine | 2,050 | 140.1K | 126 | 94 |
| 2 | Science | 1,059 | 91.7K | 288 | 264 |
| 3 | Biology | 1,292 | 86.6K | 219 | 275 |
| 4 | Pediatrics | 1,460 | 70.6K | 13 | 22 |
| 5 | Molecular Biology | 894 | 55.9K | 255 | 240 |
| 6 | Physics | 369 | 55.1K | 861 | 459 |
| 7 | Neurology | 984 | 52.2K | 146 | 171 |
| 8 | Biochemistry | 930 | 46.4K | 423 | 327 |
| 9 | Immunology | 424 | 36.8K | 127 | 91 |
| 10 | Research | 967 | 36.7K | 219 | 221 |
| 11 | Human genetics | 159 | 36.5K | 164 | 143 |
| 12 | Endocrinology | 505 | 36.3K | 94 | 83 |
| 13 | Surgery | 275 | 36.2K | 57 | 41 |
| 14 | Natural history | 104 | 33.6K | 398 | 310 |
| 15 | Cytology | 379 | 33.0K | 234 | 192 |
| 16 | Microbiology | 420 | 32.2K | 368 | 274 |
| 17 | Critical Care Medicine | 368 | 31.2K | 18 | 14 |
| 18 | Critical Care | 369 | 31.1K | 14 | 15 |
| 19 | Diabetes | 473 | 30.6K | 19 | 21 |
| 20 | Diabetes mellitus | 446 | 29.8K | 18 | 21 |
| 21 | Cell Biology | 290 | 27.2K | 263 | 222 |
| 22 | Hematology | 497 | 26.9K | 92 | 82 |
| 23 | Metabolism | 367 | 24.2K | 92 | 97 |
| 24 | Public Health | 432 | 23.3K | 209 | 163 |
| 25 | Metabolic diseases | 363 | 23.2K | 64 | 84 |
| 26 | Chemistry | 335 | 22.7K | 991 | 704 |
| 27 | Cancer | 267 | 21.1K | 190 | 126 |
| 28 | United States | 759 | 21.0K | 127 | 136 |
| 29 | Genetics | 272 | 20.6K | 205 | 196 |
| 30 | Medical genetics | 375 | 20.4K | 89 | 119 |
| 31 | Immunity | 131 | 20.0K | 149 | 108 |
| 32 | Pharmacology | 335 | 19.2K | 374 | 198 |
| 33 | Virology | 233 | 19.2K | 183 | 192 |
| 34 | Cardiovascular system | 222 | 16.9K | 73 | 89 |
| 35 | Oncology | 114 | 16.7K | 163 | 76 |
| 36 | transport vesicles | 3 | 15.9K | 196 | 35 |
| 37 | Liver diseases | 182 | 15.8K | 50 | 52 |
| 38 | Allergy | 320 | 15.6K | 12 | 57 |
| 39 | Physiology | 335 | 15.3K | 219 | 194 |
| 40 | Psychiatry | 330 | 12.8K | 220 | 267 |
| 41 | Biophysics | 354 | 12.7K | 395 | 374 |
| 42 | Psychology | 245 | 12.4K | 376 | 275 |
| 43 | Transplantation | 132 | 11.9K | 75 | 37 |
| 44 | Hypertension | 166 | 11.5K | 106 | 115 |
| 45 | Obesity | 248 | 11.4K | 53 | 62 |
| 46 | Neurophysiology | 201 | 11.3K | 225 | 231 |
| 47 | Obstetrics | 315 | 11.0K | 79 | 79 |
| 48 | Child | 462 | 10.8K | 29 | 49 |
| 49 | Developmental Biology | 145 | 10.7K | 156 | 140 |
| 50 | Nutrition | 264 | 10.7K | 193 | 222 |
| 51 | Dermatology | 235 | 10.7K | 69 | 51 |
| 52 | Sports Medicine | 350 | 10.5K | 38 | 73 |
| 53 | Immunotherapy | 73 | 10.1K | 178 | 70 |
| 54 | Medical Oncology | 202 | 10.1K | 77 | 70 |
| 55 | Nervous system | 125 | 9.7K | 204 | 151 |
| 56 | Research Design | 66 | 9.7K | 101 | 36 |
| 57 | Immune system | 37 | 9.3K | 156 | 91 |
| 58 | Emergency Medicine | 291 | 9.3K | 23 | 16 |
| 59 | arthritis | 145 | 9.1K | 65 | 63 |
| 60 | Clinical Immunology | 274 | 9.1K | 6 | 7 |
| 61 | Radiobiology | 160 | 8.7K | 74 | 51 |
| 62 | Environmental Health | 186 | 8.5K | 407 | 435 |
| 63 | Medical Technology | 186 | 8.0K | 5 | 4 |
| 64 | Genomics | 127 | 7.6K | 248 | 149 |
| 65 | Pediatric Neurology | 66 | 7.5K | 95 | 89 |
| 66 | Cell differentiation | 85 | 7.3K | 184 | 192 |
| 67 | Thorax | 172 | 7.1K | 10 | 6 |
| 68 | Mental Disorders | 180 | 7.1K | 172 | 249 |
| 69 | drug therapy | 167 | 7.1K | 138 | 106 |
| 70 | viruses | 128 | 7.1K | 103 | 124 |
| 71 | Epidemiology | 147 | 7.0K | 310 | 243 |
| 72 | Child Development | 185 | 7.0K | 103 | 147 |
| 73 | Psychophysiology | 121 | 7.0K | 364 | 306 |
| 74 | Therapeutics | 105 | 7.0K | 128 | 84 |
| 75 | Toxicology | 185 | 6.7K | 361 | 377 |
| 76 | Environment | 117 | 6.7K | 636 | 690 |
| 77 | Medical Microbiology | 68 | 6.7K | 324 | 188 |
| 78 | Rheumatology | 105 | 6.6K | 56 | 57 |
| 79 | Ecology | 144 | 6.6K | 794 | 852 |
| 80 | Pharmacogenetics | 87 | 6.6K | 33 | 14 |
| 81 | Adolescent | 324 | 6.5K | 35 | 79 |
| 82 | Adolescent Medicine | 108 | 6.5K | 24 | 29 |
| 83 | Sociology | 108 | 6.1K | 324 | 213 |
| 84 | Health | 186 | 5.9K | 85 | 96 |
| 85 | Behavior | 160 | 5.9K | 276 | 366 |
| 86 | Orthopedics | 177 | 5.8K | 53 | 52 |
| 87 | Nanotechnology | 62 | 5.7K | 1142 | 715 |
| 88 | Pharmaceutical Chemistry | 76 | 5.6K | 627 | 317 |
| 89 | Medical Physics | 155 | 5.6K | 111 | 111 |
| 90 | medical education | 204 | 5.6K | 85 | 89 |
| 91 | Geriatrics | 227 | 5.5K | 162 | 206 |
| 92 | Cytogenetics | 69 | 5.5K | 145 | 143 |
| 93 | Respiration | 109 | 5.4K | 106 | 97 |
| 94 | Host-parasite interactions | 67 | 5.4K | 113 | 128 |
| 95 | Diet | 104 | 5.4K | 185 | 206 |
| 96 | diseases | 12 | 5.4K | 77 | 79 |
| 97 | Disease | 13 | 5.2K | 62 | 81 |
| 98 | Physical Therapy | 160 | 5.2K | 46 | 76 |
| 99 | Lipids | 56 | 5.1K | 128 | 54 |
| 100 | Social Sciences | 110 | 5.1K | 330 | 172 |
| 101 | rehabilitation | 175 | 5.1K | 91 | 130 |
| 102 | Embryology | 66 | 4.9K | 221 | 185 |
| 103 | child abuse | 155 | 4.8K | 9 | 32 |
| 104 | Anatomy | 80 | 4.7K | 235 | 188 |
| 105 | Urology | 183 | 4.6K | 96 | 119 |
| 106 | Virulence | 63 | 4.6K | 121 | 127 |
| 107 | Vaccines | 129 | 4.5K | 78 | 82 |
| 108 | Pollution | 57 | 4.5K | 1225 | 874 |
| 109 | Developmental Disabilities | 84 | 4.4K | 79 | 75 |
| 110 | Neurobiology | 88 | 4.4K | 199 | 243 |
| 111 | cell physiology | 73 | 4.3K | 155 | 156 |
| 112 | Pathology | 87 | 4.2K | 286 | 258 |
| 113 | Genetic therapy | 57 | 4.2K | 105 | 57 |
| 114 | Neuropsychology | 114 | 4.2K | 218 | 227 |
| 115 | Brain | 99 | 4.2K | 406 | 383 |
| 116 | pain | 30 | 4.1K | 316 | 137 |
| 117 | genome | 51 | 4.0K | 189 | 215 |
| 118 | Kidney diseases | 75 | 4.0K | 57 | 43 |
| 119 | Growth | 44 | 4.0K | 211 | 190 |
| 120 | Health Services Research | 68 | 4.0K | 181 | 107 |
| 121 | Health promotion | 125 | 4.0K | 61 | 76 |
| 122 | Molecular structure | 33 | 3.9K | 570 | 177 |
| 123 | Genetic regulation | 39 | 3.9K | 141 | 115 |
| 124 | Nephrology | 66 | 3.9K | 51 | 35 |
| 125 | management | 66 | 3.9K | 613 | 540 |
| 126 | Microorganisms | 14 | 3.8K | 359 | 92 |
| 127 | blood transfusion | 84 | 3.8K | 41 | 16 |
| 128 | Oncogenes | 48 | 3.8K | 174 | 173 |
| 129 | nucleic acids | 54 | 3.8K | 309 | 313 |
| 130 | Leukemia | 44 | 3.7K | 164 | 133 |
| 131 | Education | 109 | 3.7K | 450 | 318 |
| 132 | Primary health care | 134 | 3.7K | 74 | 87 |
| 133 | Environmental Microbiology | 12 | 3.6K | 574 | 133 |
| 134 | Lung Transplantation | 54 | 3.6K | 43 | 33 |
| 134 | Heart transplantation | 54 | 3.6K | 43 | 33 |
| 136 | Nursing | 154 | 3.6K | 63 | 61 |
| 137 | Ophthalmology | 100 | 3.5K | 184 | 193 |
| 138 | human behavior | 77 | 3.5K | 326 | 426 |
| 139 | Medical innovations | 40 | 3.5K | 96 | 118 |
| 140 | soil microbiology | 10 | 3.5K | 748 | 205 |
| 141 | Pharmacy | 72 | 3.5K | 250 | 154 |
| 142 | Environmental Engineering | 46 | 3.5K | 773 | 492 |
| 143 | Chronic diseases | 21 | 3.4K | 175 | 106 |
| 144 | Astrophysics | 50 | 3.4K | 935 | 789 |
| 145 | Biotechnology | 51 | 3.4K | 1374 | 1046 |
| 146 | Immunopathology | 73 | 3.3K | 119 | 99 |
| 147 | proteins | 75 | 3.3K | 213 | 178 |
| 148 | Genetic Research | 27 | 3.3K | 5 | 2 |
| 149 | drug development | 41 | 3.3K | 94 | 117 |
| 150 | Neurochemistry | 84 | 3.2K | 345 | 355 |
| 151 | Memory | 85 | 3.2K | 217 | 220 |
| 152 | sanitation | 33 | 3.2K | 351 | 311 |
| 153 | Microbial Ecology | 36 | 3.1K | 530 | 424 |
| 154 | Economics | 94 | 3.1K | 711 | 536 |
| 155 | Computational Biology | 74 | 3.1K | 288 | 339 |
| 156 | alcoholism | 117 | 3.1K | 115 | 158 |
| 157 | Cardiovascular diseases | 122 | 3.0K | 82 | 128 |
| 158 | Pediatric Nursing | 117 | 3.0K | 5 | 4 |
| 159 | Heart Failure | 82 | 3.0K | 30 | 43 |
| 160 | Eating Disorders | 98 | 2.9K | 47 | 63 |
| 161 | Child psychology | 102 | 2.9K | 172 | 275 |
| 162 | carcinogens | 57 | 2.9K | 62 | 62 |
| 163 | Biocompatible Materials | 65 | 2.8K | 787 | 835 |
| 164 | Statistics | 84 | 2.8K | 411 | 303 |
| 165 | Chemotherapy | 91 | 2.8K | 83 | 83 |
| 166 | Cell metabolism | 16 | 2.8K | 160 | 144 |
| 167 | Polymers | 56 | 2.8K | 1161 | 783 |
| 168 | Spectrum analysis | 34 | 2.8K | 1403 | 842 |
| 169 | Medical Anthropology | 64 | 2.8K | 140 | 178 |
| 170 | Homeostasis | 14 | 2.8K | 124 | 140 |
| 171 | preventive medicine | 73 | 2.8K | 112 | 140 |
| 172 | Materials | 31 | 2.7K | 2061 | 1249 |
| 173 | Substance Abuse | 87 | 2.7K | 135 | 122 |
| 174 | Attention | 81 | 2.7K | 192 | 188 |
| 175 | Obstetric Nursing | 113 | 2.7K | 3 | 2 |
| 176 | Perception | 80 | 2.7K | 245 | 245 |
| 177 | Visual Perception | 79 | 2.7K | 190 | 180 |
| 178 | Neurons | 22 | 2.7K | 162 | 238 |
| 179 | Stem cells | 40 | 2.7K | 269 | 177 |
| 180 | Proteome | 44 | 2.7K | 146 | 121 |
| 181 | Public Administration | 88 | 2.7K | 109 | 109 |
| 182 | Feeding and Eating Disorders | 84 | 2.6K | 51 | 65 |
| 183 | Psychopharmacology | 44 | 2.6K | 286 | 257 |
| 184 | Hemophilia | 38 | 2.6K | 51 | 21 |
| 185 | Gene expression regulation | 32 | 2.6K | 132 | 116 |
| 186 | Reproduction | 74 | 2.6K | 321 | 293 |
| 187 | Bioinformatics | 59 | 2.5K | 283 | 316 |
| 188 | Minority Health | 3 | 2.5K | 55 | 23 |
| 189 | Developmental Genetics | 23 | 2.5K | 113 | 117 |
| 190 | Biomedical Engineering | 87 | 2.5K | 798 | 872 |
| 191 | Bacteriology | 53 | 2.4K | 335 | 363 |
| 192 | Health Policy | 87 | 2.4K | 238 | 251 |
| 193 | Mental illness | 78 | 2.3K | 220 | 374 |
| 194 | Anthropology | 47 | 2.3K | 291 | 129 |
| 195 | infection | 36 | 2.3K | 324 | 214 |
| 196 | free radicals | 32 | 2.2K | 261 | 236 |
| 197 | Health Education | 95 | 2.2K | 185 | 204 |
| 198 | viral genetics | 17 | 2.2K | 83 | 102 |
| 199 | Diagnostic microbiology | 35 | 2.1K | 227 | 261 |
| 200 | environmental exposure | 84 | 2.1K | 97 | 167 |
| 200 | sports injuries | 86 | 2.1K | 4 | 4 |
| 202 | gene mapping | 38 | 2.1K | 364 | 334 |
| 203 | Clinical Chemistry | 50 | 2.1K | 533 | 474 |
| 204 | Contraception | 70 | 2.1K | 35 | 35 |
| 205 | organization | 19 | 2.1K | 234 | 187 |
| 206 | Teaching | 54 | 2.0K | 235 | 187 |
| 207 | Genetic engineering | 30 | 2.0K | 488 | 350 |
| 208 | Travel | 78 | 2.0K | 39 | 38 |
| 209 | city planning | 42 | 1.9K | 268 | 169 |
| 210 | health behavior | 77 | 1.9K | 83 | 115 |
| 211 | Reproductive health | 50 | 1.9K | 46 | 35 |
| 212 | Archaeology | 20 | 1.9K | 460 | 142 |
| 213 | Nanostructures | 10 | 1.9K | 1056 | 330 |
| 214 | Telemedicine | 35 | 1.9K | 19 | 15 |
| 215 | behavioral medicine | 91 | 1.9K | 79 | 245 |
| 216 | Radiology | 99 | 1.8K | 84 | 87 |
| 217 | Bone diseases | 15 | 1.8K | 107 | 71 |
| 218 | Hormones | 39 | 1.8K | 236 | 201 |
| 219 | Thrombosis | 47 | 1.8K | 151 | 179 |
| 220 | Infertility | 74 | 1.8K | 82 | 178 |
| 220 | fertility | 74 | 1.8K | 94 | 194 |
| 222 | Birth control | 42 | 1.8K | 32 | 25 |
| 223 | Histology | 29 | 1.8K | 495 | 320 |
| 224 | cardiac catheterization | 74 | 1.8K | 49 | 36 |
| 225 | Cell death | 17 | 1.7K | 418 | 289 |
| 226 | Autoimmunity | 38 | 1.7K | 90 | 105 |
| 227 | Proteomics | 31 | 1.7K | 150 | 133 |
| 228 | Women's health | 87 | 1.7K | 66 | 97 |
| 229 | Clinical Biochemistry | 75 | 1.7K | 61 | 123 |
| 230 | gene therapy | 24 | 1.7K | 233 | 174 |
| 231 | drug addiction | 54 | 1.7K | 168 | 199 |
| 232 | Radiography | 78 | 1.7K | 61 | 175 |
| 233 | Bacterial infections | 24 | 1.7K | 134 | 181 |
| 234 | RNA | 42 | 1.7K | 36 | 56 |
| 235 | Altitude Sickness | 31 | 1.7K | 8 | 3 |
| 235 | Altitude | 31 | 1.7K | 8 | 3 |
| 237 | Autism | 37 | 1.7K | 103 | 117 |
| 238 | histological techniques | 14 | 1.6K | 235 | 80 |
| 239 | Membranes | 25 | 1.6K | 564 | 434 |
| 240 | Aging | 109 | 1.6K | 287 | 505 |
| 241 | Special Education | 52 | 1.6K | 95 | 79 |
| 242 | mycoses | 12 | 1.6K | 273 | 181 |
| 243 | Respiratory system | 32 | 1.6K | 68 | 37 |
| 244 | Parenteral nutrition | 37 | 1.6K | 153 | 196 |
| 245 | Colloids | 31 | 1.6K | 1284 | 1051 |
| 246 | Cognition | 28 | 1.6K | 528 | 395 |
| 247 | medical errors | 58 | 1.6K | 1 | 1 |
| 247 | older people | 103 | 1.6K | 143 | 156 |
| 247 | safety | 58 | 1.6K | 1 | 1 |
| 250 | Social Psychology | 47 | 1.6K | 467 | 520 |
| 251 | Child welfare | 80 | 1.5K | 65 | 97 |
| 252 | miniaturization | 15 | 1.5K | 737 | 487 |
| 253 | biopolymers | 23 | 1.5K | 336 | 200 |
| 254 | Paleontology | 97 | 1.5K | 102 | 186 |
| 255 | Neuropsychiatry | 57 | 1.5K | 61 | 99 |
| 255 | Mental Health Services | 49 | 1.5K | 161 | 137 |
| 257 | Community Psychology | 16 | 1.5K | 167 | 94 |
| 258 | cloning | 12 | 1.5K | 221 | 127 |
| 259 | Suicide | 39 | 1.5K | 45 | 46 |
| 260 | Evolution | 65 | 1.5K | 293 | 506 |
| 261 | Otolaryngology | 63 | 1.5K | 58 | 61 |
| 262 | United Kingdom | 23 | 1.4K | 440 | 338 |
| 263 | Organizational Behavior | 16 | 1.4K | 184 | 135 |
| 264 | Sports | 58 | 1.4K | 370 | 392 |
| 265 | Drug design | 27 | 1.4K | 278 | 198 |
| 266 | Alzheimer's disease | 58 | 1.4K | 216 | 199 |
| 267 | Inflammation | 25 | 1.4K | 221 | 182 |
| 268 | personality | 24 | 1.4K | 492 | 430 |
| 269 | Dementia | 56 | 1.4K | 210 | 180 |
| 270 | Qualitative Research | 4 | 1.4K | 430 | 49 |
| 271 | Neuromuscular diseases | 32 | 1.4K | 96 | 84 |
| 271 | Muscles | 32 | 1.4K | 136 | 138 |
| 273 | Systems Biology | 40 | 1.4K | 237 | 212 |
| 273 | scientific societies | 44 | 1.4K | 66 | 69 |
| 275 | Bioengineering | 42 | 1.4K | 1038 | 1213 |
| 276 | biological evolution | 35 | 1.4K | 519 | 624 |
| 277 | Autoimmune diseases | 36 | 1.4K | 55 | 69 |
| 278 | Autoantibodies | 35 | 1.3K | 46 | 60 |
| 279 | Transportation | 59 | 1.3K | 266 | 350 |
| 280 | Clinical Psychology | 59 | 1.3K | 194 | 343 |
| 281 | Business | 19 | 1.3K | 812 | 700 |
| 282 | Psychoneuroimmunology | 24 | 1.3K | 105 | 126 |
| 282 | Neuroimmunology | 24 | 1.3K | 129 | 143 |
| 284 | Histochemistry | 11 | 1.3K | 482 | 113 |
| 285 | eye | 8 | 1.3K | 75 | 75 |
| 286 | Pediatric Dermatology | 46 | 1.3K | 32 | 24 |
| 287 | cytokines | 10 | 1.2K | 535 | 191 |
| 288 | polymerization | 30 | 1.2K | 1345 | 1004 |
| 289 | Asthma | 73 | 1.2K | 14 | 40 |
| 290 | Retina | 7 | 1.2K | 73 | 74 |
| 290 | counseling | 63 | 1.2K | 175 | 231 |
| 292 | Economic History | 36 | 1.2K | 853 | 562 |
| 293 | drugs | 30 | 1.2K | 473 | 361 |
| 294 | Operations Research | 38 | 1.2K | 579 | 542 |
| 295 | Combinatorial chemistry | 9 | 1.2K | 331 | 163 |
| 296 | Soft Condensed Matter | 16 | 1.2K | 418 | 225 |
| 297 | Information Technology | 19 | 1.2K | 817 | 490 |
| 298 | vascular diseases | 31 | 1.2K | 129 | 179 |
| 299 | Animal Behavior | 21 | 1.2K | 657 | 560 |
| 300 | Genetic disorders | 31 | 1.2K | 71 | 62 |
| 301 | psychotherapy | 49 | 1.1K | 232 | 336 |
| 302 | Carcinogenesis | 21 | 1.1K | 222 | 189 |
| 303 | Materials Science | 18 | 1.1K | 1923 | 1389 |
| 304 | Psychosomatic Medicine | 37 | 1.1K | 113 | 169 |
| 304 | Neurovirology | 51 | 1.1K | 6 | 21 |
| 306 | Hemodynamics | 22 | 1.1K | 173 | 191 |
| 307 | Family | 48 | 1.1K | 146 | 171 |
| 308 | Developing countries | 31 | 1.1K | 504 | 440 |
| 309 | health services | 44 | 1.1K | 139 | 145 |
| 310 | Economic Development | 20 | 1.1K | 476 | 397 |
| 310 | Food | 32 | 1.1K | 841 | 887 |
| 312 | Infections | 17 | 1.1K | 354 | 310 |
| 313 | DNA polymerases | 7 | 1.1K | 207 | 178 |
| 314 | Optical materials | 3 | 1.1K | 2314 | 867 |
| 315 | Health Services Administration | 32 | 1.1K | 139 | 133 |
| 316 | Environmental Policy | 25 | 1.1K | 998 | 1056 |
| 317 | violence | 32 | 1.1K | 203 | 211 |
| 318 | epilepsy | 39 | 1.1K | 111 | 129 |
| 319 | Mathematics | 61 | 1.0K | 1695 | 1340 |
| 320 | Signal Transduction | 24 | 1.0K | 371 | 442 |
| 321 | Molecular Microbiology | 16 | 1.0K | 332 | 339 |
| 322 | cell interaction | 17 | 1.0K | 314 | 216 |
| 323 | Orthopedic Surgery | 26 | 1.0K | 135 | 98 |
| 324 | Geography | 29 | 1.0K | 568 | 507 |
| 324 | Sleep Disorders | 56 | 1.0K | 213 | 328 |
| 326 | Electrophysiology | 45 | 1.0K | 124 | 132 |
| 326 | Endocrine system | 99 | 1.0K | 16 | 12 |
| 328 | Mass Spectrometry | 21 | 1.0K | 357 | 234 |
| 329 | Energy Policy | 11 | 1.0K | 1441 | 973 |
| 330 | rare diseases | 17 | 996 | 166 | 97 |
| 331 | Gerontology | 94 | 993 | 205 | 354 |
| 332 | Demography | 21 | 984 | 139 | 119 |
| 333 | Analytical Chemistry | 21 | 973 | 1770 | 1450 |
| 334 | Menopause | 25 | 970 | 34 | 32 |
| 335 | Communication | 42 | 968 | 433 | 556 |
| 336 | Chromosome mapping | 30 | 966 | 394 | 483 |
| 337 | Adolescent Psychology | 33 | 965 | 138 | 198 |
| 338 | Sleep | 53 | 963 | 232 | 340 |
| 339 | Social work | 49 | 961 | 251 | 235 |
| 340 | Molecular Pharmacology | 24 | 960 | 151 | 180 |
| 340 | Schizophrenia | 28 | 960 | 244 | 291 |
| 342 | Health insurance | 33 | 953 | 70 | 104 |
| 343 | energy resources | 7 | 951 | 842 | 527 |
| 344 | Diagnostic Imaging | 27 | 946 | 471 | 448 |
| 345 | complementary therapies | 29 | 944 | 261 | 214 |
| 346 | Steroids | 24 | 933 | 232 | 174 |
| 347 | Astronomy | 19 | 930 | 1179 | 1021 |
| 348 | Oxidation-reduction | 16 | 922 | 236 | 312 |
| 349 | Clinical Trials | 54 | 921 | 47 | 74 |
| 350 | Audiology | 58 | 911 | 97 | 161 |
| 350 | Biomass Energy | 5 | 911 | 1856 | 932 |
| 352 | Geology | 33 | 908 | 953 | 899 |
| 353 | Decision making | 42 | 899 | 199 | 330 |
| 354 | mutagens | 13 | 897 | 277 | 225 |
| 355 | Public Policy | 31 | 895 | 387 | 415 |
| 356 | Europe | 28 | 888 | 897 | 716 |
| 357 | Melanoma | 11 | 886 | 37 | 20 |
| 358 | Palliative Care | 51 | 882 | 76 | 117 |
| 359 | Anxiety Disorders | 11 | 880 | 203 | 190 |
| 359 | Anxiety | 11 | 880 | 205 | 190 |
| 361 | Leadership | 7 | 867 | 278 | 161 |
| 362 | Digestive system diseases | 39 | 863 | 152 | 188 |
| 363 | Astrocytes | 19 | 852 | 94 | 158 |
| 364 | Food Microbiology | 17 | 851 | 383 | 389 |
| 364 | environmental protection | 24 | 851 | 1164 | 1157 |
| 366 | Bioorganic chemistry | 25 | 845 | 968 | 912 |
| 367 | Molecular evolution | 21 | 844 | 443 | 486 |
| 368 | Immunogenetics | 12 | 835 | 230 | 113 |
| 369 | Functional Genomics | 14 | 813 | 56 | 54 |
| 370 | China | 31 | 807 | 706 | 612 |
| 371 | drug abuse | 39 | 804 | 69 | 102 |
| 372 | Depression | 8 | 800 | 144 | 125 |
| 372 | Sexual health | 18 | 800 | 174 | 126 |
| 374 | Emergency Medical Services | 23 | 792 | 105 | 53 |
| 374 | Educational Psychology | 34 | 792 | 367 | 447 |
| 374 | Alternative Medicine | 23 | 792 | 295 | 251 |
| 377 | Criminology | 37 | 788 | 194 | 214 |
| 378 | Regional Planning | 21 | 781 | 504 | 407 |
| 379 | liver | 31 | 778 | 20 | 22 |
| 380 | Environmental Toxicology | 11 | 767 | 1206 | 837 |
| 381 | visualization | 82 | 763 | 130 | 208 |
| 382 | Renewable Energy Sources | 14 | 761 | 1231 | 1353 |
| 382 | finance | 30 | 761 | 660 | 665 |
| 384 | Medical Laboratory Science | 37 | 759 | 408 | 728 |
| 385 | primary prevention | 13 | 756 | 124 | 45 |
| 386 | Maternal health services | 45 | 754 | 28 | 54 |
| 387 | Electrophoresis | 17 | 748 | 570 | 397 |
| 388 | Australia | 17 | 745 | 575 | 321 |
| 389 | Biometrics | 43 | 741 | 193 | 266 |
| 390 | Genes | 14 | 740 | 396 | 214 |
| 391 | Immunopharmacology | 8 | 739 | 559 | 205 |
| 392 | Nuclear Medicine | 11 | 737 | 402 | 250 |
| 393 | protein | 23 | 733 | 326 | 324 |
| 394 | Environmental monitoring | 22 | 732 | 1428 | 1575 |
| 395 | Botany | 17 | 730 | 1650 | 1449 |
| 396 | Hemostasis | 27 | 728 | 136 | 126 |
| 397 | Family Therapy | 26 | 727 | 156 | 134 |
| 398 | Criminal psychology | 24 | 721 | 207 | 210 |
| 399 | Multiple sclerosis | 22 | 718 | 101 | 36 |
| 400 | Organic Chemistry | 25 | 717 | 1192 | 1112 |
| 401 | Quality Control | 9 | 715 | 846 | 396 |
| 402 | Occupational Therapy | 20 | 714 | 259 | 108 |
| 403 | Experimental Design | 8 | 713 | 128 | 71 |
| 404 | Artificial Intelligence | 15 | 707 | 1753 | 1333 |
| 405 | environmental pollution | 18 | 696 | 1898 | 1917 |
| 406 | Personality Assessment | 21 | 694 | 142 | 196 |
| 407 | Urban Policy | 9 | 691 | 406 | 180 |
| 408 | Learning disabilities | 16 | 689 | 287 | 203 |
| 409 | internet | 25 | 675 | 381 | 486 |
| 410 | Learning | 21 | 672 | 431 | 446 |
| 411 | Analytical Biochemistry | 16 | 671 | 630 | 449 |
| 412 | Pregnancy | 16 | 668 | 221 | 162 |
| 413 | energy conservation | 17 | 664 | 731 | 877 |
| 414 | Immunochemistry | 29 | 657 | 150 | 196 |
| 415 | Medical Ethics | 67 | 641 | 102 | 180 |
| 416 | Bones | 12 | 639 | 297 | 294 |
| 417 | Molecular Genetics | 25 | 637 | 529 | 738 |
| 418 | Brain damage | 32 | 636 | 29 | 76 |
| 419 | Foodborne diseases | 11 | 635 | 64 | 32 |
| 420 | Oxidative stress | 10 | 633 | 338 | 360 |
| 421 | Technology | 24 | 627 | 1300 | 1221 |
| 422 | Physical Chemistry | 19 | 624 | 845 | 821 |
| 423 | Drug delivery systems | 9 | 622 | 842 | 591 |
| 424 | feeding behavior | 16 | 619 | 226 | 242 |
| 424 | Appetite | 16 | 619 | 181 | 208 |
| 426 | Antioxidants | 11 | 615 | 304 | 343 |
| 427 | child mental health | 13 | 614 | 159 | 85 |
| 428 | chronic disease | 16 | 610 | 85 | 77 |
| 428 | sexual behavior | 11 | 610 | 272 | 185 |
| 430 | child behavior | 28 | 605 | 49 | 138 |
| 431 | adolescence | 12 | 601 | 402 | 335 |
| 432 | Geophysics | 27 | 600 | 1184 | 1351 |
| 433 | Community Psychiatry | 24 | 598 | 221 | 301 |
| 434 | Politics | 19 | 597 | 155 | 130 |
| 434 | government | 19 | 597 | 181 | 158 |
| 434 | enzymes | 27 | 597 | 370 | 514 |
| 437 | Spine | 16 | 594 | 222 | 244 |
| 437 | Human biology | 17 | 594 | 169 | 110 |
| 439 | Urban Education | 12 | 590 | 24 | 16 |
| 439 | economic policy | 22 | 590 | 797 | 568 |
| 441 | Microscopy | 18 | 589 | 412 | 322 |
| 442 | Elderly | 77 | 586 | 135 | 170 |
| 443 | Endocrine glands | 5 | 584 | 160 | 123 |
| 443 | Social policy | 12 | 584 | 427 | 207 |
| 445 | Roads | 35 | 583 | 165 | 170 |
| 446 | Behavioral Genetics | 16 | 579 | 61 | 79 |
| 446 | Antiviral agents | 12 | 579 | 80 | 57 |
| 448 | Engineering | 27 | 572 | 1410 | 1321 |
| 449 | Sustainable Development | 8 | 570 | 1145 | 757 |
| 450 | civil service | 24 | 568 | 50 | 101 |
| 451 | Solar Energy | 6 | 566 | 1245 | 696 |
| 451 | Smoking | 18 | 566 | 234 | 272 |
| 453 | Cognitive neuroscience | 13 | 565 | 427 | 465 |
| 454 | Patient education | 20 | 562 | 158 | 213 |
| 454 | Water | 19 | 562 | 936 | 1225 |
| 456 | Hearing | 17 | 560 | 223 | 183 |
| 457 | Paleobiology | 45 | 559 | 10 | 12 |
| 458 | Long-Term Care | 34 | 558 | 63 | 192 |
| 458 | Long-term care facilities | 34 | 558 | 62 | 192 |
| 460 | peptides | 13 | 557 | 222 | 94 |
| 460 | Biodiversity | 28 | 557 | 565 | 824 |
| 462 | Neuroendocrinology | 6 | 556 | 48 | 69 |
| 462 | Antigens | 29 | 556 | 134 | 231 |
| 464 | mammals | 12 | 554 | 413 | 257 |
| 465 | Mental Health | 55 | 553 | 203 | 438 |
| 465 | sex crimes | 14 | 553 | 224 | 159 |
| 467 | Plants | 7 | 552 | 1287 | 873 |
| 468 | Cardiac electrophysiology | 15 | 551 | 67 | 74 |
| 468 | arrhythmia | 15 | 551 | 67 | 74 |
| 470 | Production Management | 10 | 546 | 584 | 637 |
| 471 | Paleogeography | 24 | 541 | 269 | 393 |
| 472 | families | 26 | 539 | 191 | 206 |
| 473 | biological factors | 13 | 537 | 841 | 649 |
| 474 | Power Electronics | 13 | 536 | 504 | 500 |
| 475 | Vocational Education | 14 | 535 | 195 | 108 |
| 475 | Chromatographic analysis | 21 | 535 | 587 | 495 |
| 477 | Molecular ecology | 9 | 533 | 566 | 546 |
| 478 | Quality of life | 21 | 528 | 356 | 527 |
| 479 | Hydrology | 22 | 523 | 817 | 930 |
| 480 | Post-traumatic stress disorder | 28 | 521 | 148 | 290 |
| 480 | Cell communication | 2 | 521 | 684 | 189 |
| 482 | hospice care | 36 | 518 | 26 | 71 |
| 483 | Extracellular matrix | 4 | 517 | 191 | 117 |
| 483 | collagen | 4 | 517 | 206 | 118 |
| 485 | Chemical Engineering | 13 | 512 | 2312 | 2193 |
| 486 | Political Science | 32 | 511 | 484 | 497 |
| 486 | Bioenergetics | 5 | 511 | 600 | 350 |
| 486 | Energy metabolism | 5 | 511 | 421 | 294 |
| 489 | emergency management | 11 | 509 | 216 | 155 |
| 490 | Intellectual disability | 24 | 506 | 203 | 251 |
| 491 | ethanol | 36 | 504 | 43 | 119 |
| 492 | Language Disorders | 10 | 493 | 409 | 250 |
| 493 | Business Ethics | 3 | 486 | 988 | 629 |
| 494 | Information Science | 24 | 483 | 760 | 1079 |
| 495 | Biodiversity conservation | 21 | 477 | 515 | 955 |
| 496 | Enteral nutrition | 14 | 476 | 277 | 345 |
| 497 | Organ transplantation | 47 | 475 | 29 | 55 |
| 498 | Earth Sciences | 16 | 471 | 1446 | 1330 |
| 499 | Physical fitness | 14 | 470 | 393 | 401 |
| 500 | atmospheric models | 4 | 465 | 507 | 324 |
| 501 | cell adhesion molecules | 1 | 462 | 371 | 73 |
| 501 | Hospitals | 36 | 462 | 69 | 88 |
| 503 | Internet of Things | 9 | 460 | 594 | 483 |
| 503 | Exercise | 19 | 460 | 470 | 493 |
| 505 | Birds | 13 | 459 | 516 | 328 |
| 506 | Zoology | 21 | 458 | 951 | 851 |
| 506 | Chromatography | 13 | 458 | 695 | 488 |
| 506 | Antibodies | 26 | 458 | 98 | 194 |
| 509 | General Surgery | 48 | 457 | 103 | 158 |
| 510 | Respiratory Infections | 12 | 456 | 92 | 62 |
| 510 | Influenza | 12 | 456 | 38 | 33 |
| 512 | Meteorology | 15 | 455 | 911 | 1055 |
| 512 | Atmospheric Physics | 12 | 455 | 725 | 717 |
| 512 | System analysis | 22 | 455 | 799 | 893 |
| 515 | crime | 14 | 454 | 279 | 204 |
| 516 | Electrical Engineering | 24 | 452 | 1191 | 940 |
| 517 | Economic Thought | 4 | 451 | 259 | 167 |
| 517 | economic conditions | 4 | 451 | 418 | 191 |
| 519 | Communication in medicine | 14 | 449 | 178 | 164 |
| 520 | Nutrition physiology | 15 | 448 | 214 | 274 |
| 520 | planning | 17 | 448 | 165 | 135 |
| 522 | Genetic Counseling | 11 | 445 | 77 | 54 |
| 522 | Speech Disorders | 10 | 445 | 543 | 404 |
| 524 | Clinical Pharmacology | 17 | 444 | 449 | 447 |
| 524 | Image Processing | 9 | 444 | 1308 | 1003 |
| 526 | Developmental Psychology | 16 | 443 | 379 | 478 |
| 527 | Population | 16 | 442 | 272 | 324 |
| 528 | Composite Materials | 20 | 441 | 1063 | 1375 |
| 529 | Recombinant DNA | 15 | 440 | 554 | 542 |
| 530 | Music | 10 | 438 | 402 | 174 |
| 531 | voice | 9 | 437 | 221 | 105 |
| 531 | Biomechanics | 19 | 437 | 404 | 521 |
| 533 | Ichnology | 22 | 436 | 5 | 9 |
| 533 | Distance Education | 8 | 436 | 139 | 85 |
| 533 | Trace fossils | 22 | 436 | 5 | 9 |
| 536 | Bipolar Disorder | 9 | 432 | 151 | 148 |
| 537 | Ethology | 11 | 427 | 725 | 815 |
| 538 | Pediatric Hematology | 35 | 420 | 19 | 30 |
| 539 | Neonatology | 12 | 413 | 166 | 154 |
| 540 | sex differences | 5 | 411 | 49 | 29 |
| 541 | Building Materials | 18 | 407 | 727 | 1057 |
| 542 | Randomized Controlled Trials | 31 | 405 | 181 | 232 |
| 542 | Organometallic compounds | 12 | 405 | 638 | 532 |
| 544 | health planning | 17 | 402 | 814 | 733 |
| 545 | Vocational guidance | 12 | 400 | 392 | 459 |
| 546 | Population Genetics | 26 | 396 | 325 | 609 |
| 546 | Molecular cloning | 14 | 396 | 547 | 551 |
| 546 | Genetic recombination | 14 | 396 | 534 | 545 |
| 549 | North America | 45 | 394 | 77 | 181 |
| 550 | Ornithology | 9 | 390 | 523 | 300 |
| 551 | Human evolution | 14 | 388 | 142 | 224 |
| 551 | Tropical Medicine | 24 | 388 | 469 | 578 |
| 553 | Early Childhood Education | 20 | 384 | 141 | 152 |
| 554 | Climate change | 3 | 383 | 917 | 863 |
| 554 | nuclear magnetic resonance | 41 | 383 | 214 | 377 |
| 556 | Surface Chemistry | 16 | 381 | 1802 | 1939 |
| 557 | Oceanography | 9 | 379 | 960 | 834 |
| 557 | Speech | 6 | 379 | 633 | 427 |
| 559 | Youth | 4 | 378 | 559 | 331 |
| 560 | Drug discovery | 8 | 371 | 67 | 66 |
| 560 | gastrointestinal tract | 7 | 371 | 153 | 186 |
| 562 | Futures | 6 | 370 | 189 | 57 |
| 563 | urban health | 7 | 369 | 125 | 95 |
| 563 | preimplantation genetic diagnosis | 13 | 369 | 112 | 110 |
| 563 | embryo transfer | 13 | 369 | 125 | 119 |
| 566 | Global Health | 15 | 366 | 324 | 268 |
| 566 | human development | 8 | 366 | 453 | 411 |
| 568 | isomerism | 11 | 362 | 82 | 52 |
| 568 | Chirality | 11 | 362 | 82 | 52 |
| 570 | Radiation Oncology | 5 | 361 | 221 | 102 |
| 571 | Eutrophication | 2 | 360 | 1018 | 885 |
| 571 | Magnetic Resonance Spectroscopy | 34 | 360 | 265 | 413 |
| 571 | Reading | 12 | 360 | 243 | 228 |
| 574 | Computer Vision | 5 | 357 | 870 | 610 |
| 575 | Human Geography | 16 | 350 | 421 | 439 |
| 576 | Labor Economics | 8 | 348 | 250 | 192 |
| 577 | Architecture | 7 | 347 | 295 | 106 |
| 578 | Automation | 22 | 346 | 818 | 1198 |
| 579 | Andrology | 20 | 344 | 123 | 198 |
| 579 | Forensic Psychiatry | 6 | 344 | 361 | 174 |
| 581 | Radioisotopes | 5 | 342 | 794 | 265 |
| 582 | Entomology | 9 | 341 | 1342 | 841 |
| 583 | Sites | 5 | 335 | 401 | 304 |
| 584 | Hearing Aids | 17 | 334 | 46 | 51 |
| 585 | School Psychology | 29 | 332 | 97 | 210 |
| 586 | data collection | 14 | 329 | 318 | 513 |
| 587 | Biopharmaceutics | 14 | 328 | 401 | 546 |
| 587 | construction | 2 | 328 | 258 | 76 |
| 589 | nanoscience | 7 | 327 | 1868 | 1654 |
| 590 | Risk Management | 19 | 326 | 135 | 237 |
| 591 | Cerebellum | 5 | 324 | 170 | 123 |
| 591 | Cerebellar ataxia | 5 | 324 | 170 | 123 |
| 593 | International Relations | 4 | 322 | 882 | 357 |
| 593 | water supply | 11 | 322 | 392 | 498 |
| 595 | cell membrane | 5 | 321 | 406 | 354 |
| 596 | Neurosurgery | 16 | 320 | 343 | 460 |
| 597 | Electronics | 18 | 319 | 1425 | 1482 |
| 598 | Control Theory | 10 | 318 | 1005 | 762 |
| 599 | Psychoanalysis | 8 | 317 | 159 | 56 |
| 600 | Paleoclimatology | 14 | 316 | 485 | 615 |
| 600 | Paleoecology | 14 | 316 | 461 | 576 |
| 600 | Biofilms | 3 | 316 | 151 | 61 |
| 603 | Signal Processing | 27 | 315 | 851 | 1345 |
| 603 | health services accessibility | 17 | 315 | 261 | 381 |
| 605 | mortality | 2 | 311 | 102 | 22 |
| 605 | drug control | 13 | 311 | 111 | 129 |
| 607 | Energy Conversion | 3 | 310 | 1165 | 925 |
| 608 | Liquid Crystals | 1 | 309 | 1305 | 188 |
| 608 | drug evaluation | 9 | 309 | 641 | 559 |
| 610 | morbidity | 1 | 308 | 32 | 18 |
| 611 | Biomolecules | 5 | 307 | 283 | 253 |
| 612 | Ocean Engineering | 23 | 305 | 582 | 893 |
| 612 | Agriculture | 11 | 305 | 995 | 1012 |
| 614 | police | 11 | 302 | 144 | 90 |
| 615 | Intelligent Transportation Systems | 4 | 299 | 948 | 656 |
| 615 | Cost control | 18 | 299 | 18 | 26 |
| 617 | Urban Planning | 8 | 298 | 168 | 177 |
| 617 | Androgens | 18 | 298 | 33 | 113 |
| 619 | Agricultural Chemistry | 6 | 297 | 1532 | 1234 |
| 620 | deviant behavior | 10 | 296 | 119 | 77 |
| 621 | Environmental Chemistry | 6 | 293 | 1430 | 1345 |
| 621 | Planets | 15 | 293 | 678 | 950 |
| 623 | Physical Geography | 6 | 291 | 305 | 191 |
| 624 | sustainability | 1 | 288 | 1445 | 568 |
| 625 | Teratology | 8 | 287 | 131 | 132 |
| 625 | Microcirculation | 7 | 287 | 244 | 198 |
| 627 | risk factors | 18 | 285 | 184 | 323 |
| 627 | Condensed Matter | 6 | 285 | 2053 | 1590 |
| 629 | Metastasis | 2 | 284 | 201 | 150 |
| 629 | Psychiatric hospitals | 14 | 284 | 92 | 113 |
| 631 | Structural Engineering | 22 | 283 | 563 | 805 |
| 631 | Nuclear Physics | 20 | 283 | 1887 | 2086 |
| 633 | Graph Theory | 32 | 281 | 116 | 199 |
| 633 | Statistical physics | 17 | 281 | 1549 | 1705 |
| 635 | family violence | 11 | 279 | 165 | 240 |
| 636 | Earthquake Engineering | 21 | 275 | 494 | 767 |
| 637 | food technology | 9 | 272 | 1470 | 1550 |
| 638 | Human Capital | 8 | 269 | 75 | 93 |
| 638 | Safety management | 17 | 269 | 73 | 104 |
| 640 | Developmental Neurobiology | 12 | 268 | 148 | 190 |
| 641 | Solid State Physics | 5 | 267 | 2774 | 1924 |
| 642 | Microelectronics | 5 | 265 | 1295 | 1054 |
| 643 | Lipid metabolism | 7 | 264 | 186 | 234 |
| 643 | Lipid | 7 | 264 | 186 | 234 |
| 643 | behavior therapy | 21 | 264 | 266 | 448 |
| 643 | Economic planning | 4 | 264 | 424 | 202 |
| 647 | eugenics | 6 | 262 | 300 | 209 |
| 648 | Dietetics | 10 | 261 | 270 | 268 |
| 649 | Molecular Imaging | 3 | 260 | 499 | 355 |
| 650 | sports administration | 8 | 259 | 130 | 106 |
| 651 | Industrial Safety | 9 | 258 | 580 | 559 |
| 652 | heredity | 13 | 257 | 221 | 272 |
| 653 | Humanities | 20 | 256 | 444 | 491 |
| 653 | Genetic epidemiology | 12 | 256 | 89 | 120 |
| 653 | Amyotrophic Lateral Sclerosis | 4 | 256 | 164 | 108 |
| 656 | population policy | 10 | 255 | 43 | 48 |
| 656 | Vision | 10 | 255 | 331 | 394 |
| 658 | Data Mining | 14 | 254 | 577 | 919 |
| 659 | Pediatric Endocrinology | 14 | 253 | 55 | 47 |
| 660 | venom | 9 | 252 | 326 | 347 |
| 660 | Toxins | 9 | 252 | 367 | 391 |
| 662 | Bioethics | 38 | 250 | 140 | 337 |
| 662 | Telecommunication | 18 | 250 | 1069 | 1403 |
| 664 | Occupational Health | 11 | 249 | 416 | 409 |
| 665 | Information Theory | 14 | 248 | 607 | 733 |
| 666 | Public Health Administration | 9 | 247 | 197 | 139 |
| 666 | Primates | 10 | 247 | 309 | 325 |
| 668 | Geriatric Pharmacology | 8 | 246 | 125 | 125 |
| 668 | Semantics | 5 | 246 | 142 | 71 |
| 668 | Cell survival | 3 | 246 | 183 | 82 |
| 668 | molecular chaperones | 3 | 246 | 224 | 82 |
| 672 | Human Resources | 2 | 245 | 618 | 324 |
| 673 | Econometrics | 12 | 240 | 660 | 645 |
| 674 | Cardiovascular Pharmacology | 7 | 239 | 90 | 88 |
| 674 | Combinatorial analysis | 25 | 239 | 275 | 321 |
| 674 | DNA | 4 | 239 | 483 | 227 |
| 674 | weight loss | 19 | 239 | 14 | 38 |
| 678 | Artificial Organs | 14 | 238 | 213 | 231 |
| 678 | Auditing | 9 | 238 | 150 | 229 |
| 680 | Comparative Physiology | 8 | 237 | 453 | 460 |
| 681 | Photochemistry | 7 | 236 | 1091 | 968 |
| 682 | marketing | 13 | 235 | 946 | 1250 |
| 683 | cross-cultural comparison | 8 | 234 | 231 | 173 |
| 684 | Smart Materials | 5 | 233 | 704 | 462 |
| 685 | global environmental change | 2 | 230 | 953 | 601 |
| 686 | Cybernetics | 12 | 229 | 750 | 991 |
| 686 | labor | 7 | 229 | 151 | 149 |
| 688 | Information Systems | 12 | 228 | 583 | 756 |
| 688 | occupational diseases | 9 | 228 | 360 | 444 |
| 688 | brain mapping | 4 | 228 | 494 | 464 |
| 691 | Educational Technology | 14 | 227 | 626 | 936 |
| 692 | Quality Assurance | 14 | 226 | 53 | 78 |
| 693 | Water pollution | 5 | 225 | 2018 | 1859 |
| 694 | Superconductors | 11 | 223 | 446 | 364 |
| 694 | Ecosystem management | 4 | 223 | 549 | 394 |
| 696 | working class | 5 | 222 | 104 | 139 |
| 697 | Plant Pathology | 1 | 221 | 274 | 54 |
| 697 | Human-Computer Interaction | 8 | 221 | 885 | 908 |
| 699 | Magnetic Resonance Imaging | 15 | 220 | 121 | 204 |
| 699 | Frontotemporal lobar degeneration | 2 | 220 | 207 | 80 |
| 699 | cell movement | 6 | 220 | 129 | 166 |
| 702 | healthcare disparities | 13 | 218 | 146 | 222 |
| 702 | disabilities | 11 | 218 | 277 | 353 |
| 704 | Forest Ecology | 7 | 217 | 637 | 692 |
| 704 | Forest Management | 8 | 217 | 551 | 653 |
| 706 | Developmental Immunology | 4 | 216 | 483 | 402 |
| 707 | Environmental Psychology | 2 | 215 | 470 | 334 |
| 707 | Heritage Tourism | 3 | 215 | 103 | 24 |
| 707 | cultural tourism | 3 | 215 | 103 | 24 |
| 710 | Light | 4 | 213 | 752 | 774 |
| 711 | elder abuse | 16 | 212 | 66 | 184 |
| 711 | Nonprofit organizations | 11 | 212 | 93 | 171 |
| 713 | Culture | 22 | 211 | 283 | 385 |
| 714 | community development | 8 | 209 | 293 | 284 |
| 714 | monitoring | 4 | 209 | 201 | 63 |
| 716 | Biochemical Engineering | 5 | 207 | 2383 | 2532 |
| 717 | ecosystem | 3 | 206 | 1215 | 988 |
| 718 | Computational Chemistry | 3 | 205 | 673 | 429 |
| 718 | Catalysis | 5 | 205 | 2497 | 2343 |
| 720 | Atmospheric Chemistry | 5 | 204 | 641 | 722 |
| 721 | Nanostructured Materials | 6 | 203 | 2047 | 2015 |
| 721 | Risk | 16 | 203 | 139 | 336 |
| 723 | Quantitative Research | 4 | 202 | 190 | 170 |
| 724 | Computer Graphics | 6 | 201 | 1222 | 962 |
| 725 | Cannabis | 7 | 200 | 24 | 32 |
| 725 | cannabinoids | 7 | 200 | 24 | 30 |
| 727 | Structural design | 4 | 198 | 712 | 475 |
| 727 | rural health | 10 | 198 | 73 | 89 |
| 729 | Cytoskeleton | 4 | 197 | 218 | 170 |
| 730 | Biogeography | 2 | 196 | 1093 | 827 |
| 730 | Evidence-Based Medicine | 14 | 196 | 199 | 366 |
| 732 | Criminal Law | 10 | 195 | 107 | 122 |
| 732 | Geographic information systems | 13 | 195 | 386 | 500 |
| 732 | Mobile genetic elements | 3 | 195 | 75 | 37 |
| 735 | Capital market | 4 | 191 | 347 | 265 |
| 735 | Prisons | 8 | 191 | 137 | 97 |
| 735 | Law enforcement | 5 | 191 | 60 | 51 |
| 738 | Religion and Psychology | 7 | 190 | 244 | 164 |
| 739 | Health care reform | 10 | 188 | 22 | 17 |
| 739 | Electron Microscopy | 4 | 188 | 331 | 170 |
| 741 | race relations | 8 | 187 | 327 | 317 |
| 742 | Forensic Pathology | 3 | 185 | 142 | 32 |
| 743 | Neurogenetics | 3 | 182 | 254 | 142 |
| 744 | International Finance | 13 | 179 | 790 | 1131 |
| 744 | Parasitic Diseases | 9 | 179 | 1035 | 1238 |
| 744 | polar regions | 6 | 179 | 390 | 353 |
| 747 | Fuzzy Logic | 3 | 178 | 46 | 33 |
| 747 | Fuzzy Sets | 3 | 178 | 46 | 33 |
| 747 | curriculum evaluation | 3 | 178 | 384 | 192 |
| 747 | Fuzzy algorithms | 3 | 178 | 46 | 33 |
| 751 | Political Ethics | 9 | 176 | 12 | 10 |
| 751 | world | 6 | 176 | 463 | 655 |
| 753 | Government agencies | 4 | 175 | 24 | 12 |
| 754 | drug resistance | 3 | 174 | 672 | 462 |
| 755 | hazard mitigation | 5 | 173 | 666 | 606 |
| 756 | Environmental Law | 7 | 172 | 647 | 1091 |
| 756 | Multicultural Education | 6 | 172 | 227 | 152 |
| 758 | Cell adhesion | 6 | 171 | 55 | 104 |
| 758 | Social support | 8 | 171 | 56 | 78 |
| 758 | Social environment | 8 | 171 | 56 | 79 |
| 761 | Law | 12 | 170 | 580 | 409 |
| 761 | abnormalities | 3 | 170 | 146 | 116 |
| 763 | Psychoanalytic theory | 1 | 169 | 89 | 18 |
| 764 | ethnicity | 12 | 166 | 257 | 283 |
| 764 | Socioeconomic Factors | 10 | 166 | 312 | 525 |
| 764 | Housing | 5 | 166 | 331 | 343 |
| 767 | Cognitive Science | 8 | 165 | 900 | 1198 |
| 768 | Surface-Active Agents | 2 | 164 | 1355 | 954 |
| 768 | Cell migration | 5 | 164 | 22 | 65 |
| 768 | Nanoparticles | 4 | 164 | 1605 | 1378 |
| 768 | Surface properties | 2 | 164 | 1403 | 1023 |
| 772 | Civil Engineering | 17 | 163 | 523 | 599 |
| 772 | Numerical Analysis | 9 | 163 | 1489 | 1321 |
| 774 | Probability | 12 | 162 | 222 | 375 |
| 774 | Bilingual Education | 11 | 162 | 14 | 35 |
| 774 | Financial management | 12 | 162 | 140 | 394 |
| 777 | Climatology | 4 | 159 | 1466 | 1307 |
| 777 | amino acids | 2 | 159 | 716 | 418 |
| 779 | Globalization | 3 | 158 | 545 | 333 |
| 779 | commerce | 4 | 158 | 1365 | 1046 |
| 781 | Fuzzy systems | 4 | 157 | 1516 | 821 |
| 782 | Visual Literacy | 1 | 156 | 69 | 7 |
| 783 | calcification | 2 | 154 | 548 | 388 |
| 783 | Osteoporosis | 9 | 154 | 104 | 189 |
| 785 | poverty | 6 | 153 | 189 | 240 |
| 785 | Crisis Intervention | 5 | 153 | 76 | 85 |
| 785 | Body Image | 1 | 153 | 381 | 212 |
| 788 | Algebra | 4 | 152 | 1317 | 634 |
| 788 | Emotions | 5 | 152 | 444 | 555 |
| 790 | Urban Geography | 7 | 151 | 122 | 155 |
| 791 | Land use | 7 | 150 | 687 | 921 |
| 791 | prostaglandins | 5 | 150 | 304 | 280 |
| 793 | Sustainable Engineering | 5 | 149 | 1232 | 1374 |
| 793 | Forensic Psychology | 6 | 149 | 243 | 214 |
| 795 | Nutritional support | 3 | 148 | 157 | 162 |
| 796 | Medical Imaging | 9 | 147 | 132 | 181 |
| 796 | women | 10 | 147 | 375 | 342 |
| 798 | pain management | 5 | 146 | 406 | 377 |
| 798 | Mitochondria | 5 | 146 | 136 | 213 |
| 798 | tomography | 3 | 146 | 337 | 181 |
| 801 | Green Chemistry | 4 | 145 | 1452 | 1608 |
| 801 | Quantum Gravity | 9 | 145 | 1307 | 1432 |
| 801 | Ethnology | 13 | 145 | 601 | 743 |
| 804 | Diagnosis | 12 | 142 | 98 | 219 |
| 804 | breastfeeding | 12 | 142 | 124 | 292 |
| 804 | scholarly publishing | 1 | 142 | 276 | 48 |
| 804 | California | 15 | 142 | 140 | 247 |
| 808 | Crisis management | 5 | 141 | 66 | 73 |
| 808 | Bioinorganic chemistry | 3 | 141 | 1336 | 1055 |
| 808 | Plant hormones | 1 | 141 | 584 | 256 |
| 808 | Cerebral cortex | 8 | 141 | 515 | 738 |
| 812 | Synthetic biology | 4 | 139 | 246 | 241 |
| 812 | Social Change | 4 | 139 | 891 | 1125 |
| 812 | Mortgages | 3 | 139 | 180 | 135 |
| 815 | Industrial Microbiology | 4 | 136 | 1608 | 1714 |
| 815 | Positive Psychology | 3 | 136 | 146 | 198 |
| 815 | individual differences | 7 | 136 | 146 | 281 |
| 818 | consumer behavior | 3 | 134 | 550 | 503 |
| 818 | musculoskeletal system | 4 | 134 | 96 | 109 |
| 820 | Pharmacogenomics | 5 | 133 | 158 | 223 |
| 820 | local government | 4 | 133 | 278 | 262 |
| 822 | natural disasters | 2 | 132 | 1574 | 1096 |
| 823 | Neuroplasticity | 4 | 131 | 168 | 218 |
| 823 | neuronal plasticity | 4 | 131 | 42 | 120 |
| 823 | Library Science | 15 | 131 | 263 | 343 |
| 826 | industrial hygiene | 4 | 130 | 849 | 431 |
| 827 | Geomorphology | 6 | 129 | 987 | 1264 |
| 827 | Biogeochemistry | 3 | 129 | 1005 | 1016 |
| 827 | Parasitology | 5 | 129 | 1702 | 1592 |
| 827 | DNA methylation | 5 | 129 | 158 | 268 |
| 827 | Social problems | 15 | 129 | 196 | 518 |
| 827 | biomedicine | 4 | 129 | 386 | 464 |
| 833 | Geriatric Psychiatry | 10 | 128 | 425 | 710 |
| 833 | international cooperation | 1 | 128 | 1032 | 470 |
| 835 | Neurotoxicology | 4 | 127 | 459 | 499 |
| 835 | dual diagnosis | 3 | 127 | 81 | 32 |
| 835 | Egypt | 1 | 127 | 1129 | 435 |
| 838 | recreation | 2 | 126 | 816 | 418 |
| 839 | Urban Economics | 5 | 125 | 234 | 346 |
| 839 | bioclimatology | 2 | 125 | 1165 | 733 |
| 839 | Investment analysis | 10 | 125 | 378 | 689 |
| 842 | Epigenetics | 6 | 123 | 106 | 129 |
| 842 | Food Policy | 4 | 123 | 248 | 320 |
| 842 | Epigenomics | 6 | 123 | 105 | 126 |
| 842 | Cardiac rehabilitation | 3 | 123 | 56 | 58 |
| 846 | anesthesia | 11 | 122 | 166 | 219 |
| 847 | Brachytherapy | 8 | 121 | 86 | 85 |
| 848 | Engineering Mathematics | 14 | 120 | 791 | 1150 |
| 848 | Career development | 7 | 120 | 201 | 257 |
| 848 | Sustainable urban development | 6 | 120 | 8 | 19 |
| 848 | Blood vessels | 8 | 120 | 158 | 306 |
| 852 | Patient Safety | 10 | 119 | 16 | 38 |
| 852 | Regional Development | 1 | 119 | 493 | 220 |
| 852 | Development planning | 1 | 119 | 455 | 201 |
| 852 | Culture techniques | 5 | 119 | 187 | 197 |
| 856 | Agricultural Ecology | 3 | 118 | 995 | 1058 |
| 857 | Psycholinguistics | 2 | 116 | 1056 | 815 |
| 857 | Metabolic syndrome | 4 | 116 | 164 | 165 |
| 859 | Coastal zone management | 3 | 115 | 668 | 577 |
| 860 | Evolutionary Genetics | 5 | 114 | 451 | 545 |
| 860 | Molecular Epidemiology | 5 | 114 | 451 | 545 |
| 860 | Public opinion | 5 | 114 | 300 | 370 |
| 860 | Molecular Spectroscopy | 3 | 114 | 1811 | 1447 |
| 860 | Malaria | 6 | 114 | 389 | 523 |
| 860 | nuclear magnetic resonance spectroscopy | 14 | 114 | 277 | 460 |
| 860 | X-rays | 7 | 114 | 280 | 315 |
| 860 | Military psychology | 7 | 114 | 28 | 44 |
| 868 | Communication and Culture | 9 | 113 | 93 | 145 |
| 868 | Wireless Communication Systems | 13 | 113 | 1177 | 1695 |
| 870 | Geotechnical Engineering | 12 | 112 | 197 | 356 |
| 870 | Welfare Economics | 6 | 112 | 291 | 355 |
| 870 | public works | 12 | 112 | 32 | 75 |
| 873 | Parkinson's disease | 4 | 111 | 181 | 227 |
| 874 | computer networks | 10 | 110 | 1345 | 1935 |
| 875 | Urban Anthropology | 3 | 109 | 172 | 116 |
| 875 | urban population | 3 | 109 | 201 | 290 |
| 877 | Geometry | 7 | 108 | 798 | 581 |
| 877 | Preoperative Care | 1 | 108 | 154 | 29 |
| 877 | perioperative care | 1 | 108 | 154 | 29 |
| 877 | environmental issues | 1 | 108 | 788 | 420 |
| 881 | Language and Education | 3 | 107 | 115 | 72 |
| 881 | Mixed methods research | 1 | 107 | 144 | 78 |
| 881 | Cognitive Therapy | 7 | 107 | 351 | 504 |
| 881 | Social welfare | 6 | 107 | 372 | 393 |
| 881 | population geography | 3 | 107 | 390 | 340 |
| 886 | patient satisfaction | 9 | 106 | 28 | 33 |
| 886 | Securities | 1 | 106 | 695 | 331 |
| 888 | Environmental Education | 4 | 105 | 275 | 297 |
| 888 | Psychiatric Epidemiology | 3 | 105 | 440 | 506 |
| 890 | Wound healing | 1 | 104 | 50 | 46 |
| 890 | wound care | 1 | 104 | 50 | 46 |
| 890 | Fibrosis | 1 | 104 | 50 | 46 |
| 893 | Plant Ecology | 8 | 103 | 1037 | 1682 |
| 893 | Matroids | 4 | 103 | 212 | 193 |
| 893 | atmosphere | 3 | 103 | 746 | 735 |
| 896 | Mechanical Engineering | 5 | 102 | 1913 | 1610 |
| 896 | Disease management | 7 | 102 | 43 | 56 |
| 896 | Nonlinear Dynamics | 4 | 102 | 1585 | 1500 |
| 896 | locomotion | 6 | 102 | 412 | 568 |
| 896 | posture | 6 | 102 | 412 | 568 |
| 896 | Climate | 1 | 102 | 1028 | 569 |
| 896 | weather | 1 | 102 | 1000 | 534 |
| 896 | gait | 6 | 102 | 412 | 568 |
| 896 | walking | 6 | 102 | 412 | 568 |
| 905 | Cultural diversity | 4 | 101 | 148 | 197 |
| 905 | toxicity testing | 3 | 101 | 601 | 574 |
| 905 | Development | 4 | 101 | 653 | 853 |
| 908 | Strategic planning | 3 | 100 | 790 | 724 |
| 909 | Juvenile delinquency | 6 | 99 | 221 | 262 |
| 909 | Socialization | 3 | 99 | 542 | 622 |
| 909 | traffic safety | 5 | 99 | 184 | 206 |
| 912 | Atmospheric Science | 2 | 98 | 222 | 158 |
| 912 | Psychiatric Nursing | 7 | 98 | 400 | 508 |
| 912 | mental health policy | 4 | 98 | 156 | 165 |
| 912 | chromatin | 3 | 98 | 105 | 166 |
| 916 | Crime prevention | 2 | 97 | 317 | 162 |
| 916 | Dental Public Health | 8 | 97 | 68 | 111 |
| 916 | Feasibility studies | 10 | 97 | 94 | 106 |
| 919 | mass transfer | 6 | 96 | 1246 | 1576 |
| 920 | Holistic Health | 9 | 95 | 157 | 320 |
| 920 | men | 3 | 95 | 287 | 231 |
| 920 | allied health | 9 | 95 | 91 | 229 |
| 923 | Software Engineering | 3 | 94 | 1017 | 832 |
| 923 | Mechatronics | 6 | 94 | 591 | 848 |
| 923 | Dynamics | 8 | 94 | 1002 | 1155 |
| 923 | Computational Intelligence | 6 | 94 | 372 | 513 |
| 927 | professional practice | 13 | 93 | 42 | 40 |
| 928 | Action Research | 1 | 92 | 476 | 139 |
| 928 | Exercise therapy | 2 | 92 | 606 | 293 |
| 928 | biochemical markers | 9 | 92 | 229 | 514 |
| 931 | Nanobiotechnology | 1 | 91 | 729 | 643 |
| 932 | Social Choice Theory | 5 | 90 | 167 | 160 |
| 932 | Algorithms | 5 | 90 | 533 | 520 |
| 932 | Mass Media | 5 | 90 | 625 | 417 |
| 932 | orphan drugs | 2 | 90 | 76 | 10 |
| 936 | Mobile Computing | 8 | 89 | 643 | 947 |
| 936 | Crystallography | 4 | 89 | 1446 | 867 |
| 936 | Public Choice | 4 | 89 | 292 | 329 |
| 936 | Group decision making | 4 | 89 | 409 | 443 |
| 936 | X-ray crystallography | 4 | 89 | 456 | 360 |
| 936 | Criminal behavior | 6 | 89 | 84 | 159 |
| 942 | Ecological Genetics | 20 | 88 | 97 | 475 |
| 942 | Apoptosis | 3 | 88 | 234 | 273 |
| 942 | neurotoxins | 3 | 88 | 234 | 273 |
| 942 | Neurotoxic agents | 3 | 88 | 234 | 273 |
| 942 | Lymphoma | 11 | 88 | 115 | 197 |
| 942 | Multiple Myeloma | 11 | 88 | 113 | 188 |
| 942 | Radiotherapy | 15 | 88 | 112 | 173 |
| 942 | Marriage | 13 | 88 | 168 | 446 |
| 942 | Molecules | 4 | 88 | 1322 | 1085 |
| 942 | Nerve regeneration | 3 | 88 | 234 | 273 |
| 952 | Systems Engineering | 7 | 87 | 1468 | 1865 |
| 952 | Mathematics Education | 6 | 87 | 308 | 322 |
| 952 | Antibacterial agents | 3 | 87 | 590 | 715 |
| 952 | Insects | 3 | 87 | 1387 | 1135 |
| 952 | educational innovations | 5 | 87 | 359 | 536 |
| 957 | Fluorescence spectroscopy | 2 | 86 | 273 | 186 |
| 957 | energy development | 1 | 86 | 1524 | 969 |
| 959 | Journalism | 2 | 85 | 695 | 376 |
| 960 | Energy Storage | 1 | 84 | 1785 | 1237 |
| 960 | Psychometrics | 6 | 84 | 302 | 416 |
| 960 | Organometallic chemistry | 3 | 84 | 2098 | 1727 |
| 960 | fuel cells | 1 | 84 | 1670 | 1334 |
| 960 | civilization | 3 | 84 | 1028 | 311 |
| 960 | Pancreatic diseases | 6 | 84 | 207 | 302 |
| 966 | Fluid Mechanics | 3 | 83 | 1416 | 1231 |
| 966 | Political Geography | 3 | 83 | 291 | 290 |
| 966 | Pharmacokinetics | 2 | 83 | 961 | 901 |
| 966 | Fisheries | 2 | 83 | 1724 | 1318 |
| 970 | Transport | 1 | 82 | 947 | 651 |
| 970 | Sea | 1 | 82 | 845 | 524 |
| 970 | Fishery resources | 1 | 82 | 931 | 575 |
| 970 | Peroxisomes | 3 | 82 | 17 | 65 |
| 970 | Writing | 1 | 82 | 510 | 320 |
| 975 | Philosophy | 12 | 81 | 828 | 785 |
| 975 | Solid State Chemistry | 1 | 81 | 3053 | 2126 |
| 975 | psychopathology | 6 | 81 | 206 | 351 |
| 978 | Sociolinguistics | 4 | 80 | 401 | 381 |
| 978 | Cellular senescence | 2 | 80 | 381 | 659 |
| 978 | Educational Innovation | 5 | 80 | 26 | 45 |
| 978 | Nitric oxide | 3 | 80 | 242 | 329 |
| 982 | Conservation Biology | 20 | 79 | 309 | 1139 |
| 982 | libraries | 16 | 79 | 140 | 411 |
| 982 | Cheminformatics | 2 | 79 | 402 | 436 |
| 982 | masculinity | 1 | 79 | 209 | 116 |
| 986 | Ethics | 6 | 78 | 621 | 731 |
| 986 | Asia | 9 | 78 | 1564 | 2145 |
| 988 | Feminist criminology | 5 | 77 | 16 | 62 |
| 988 | Nonverbal Communication | 2 | 77 | 259 | 304 |
| 988 | Hallucinogens | 8 | 77 | 65 | 178 |
| 991 | Process Control | 3 | 76 | 973 | 1318 |
| 991 | income distribution | 2 | 76 | 205 | 199 |
| 991 | Ion channels | 8 | 76 | 21 | 110 |
| 994 | Pharmaceutical Technology | 4 | 75 | 1266 | 1521 |
| 994 | physical therapy techniques | 3 | 75 | 120 | 82 |
| 994 | Atherosclerosis | 5 | 75 | 93 | 202 |
| 994 | child sexual abuse | 2 | 75 | 203 | 160 |
| 998 | Robotics | 6 | 73 | 1228 | 1563 |
| 998 | Open Access Publishing | 7 | 73 | 56 | 93 |
| 998 | Small Business | 2 | 73 | 884 | 1064 |