| 1 | Physics | 2,058 | 281.4K | 196 | 99 |
| 2 | Science | 2,199 | 232.5K | 130 | 120 |
| 3 | Biology | 1,647 | 213.9K | 176 | 130 |
| 4 | Astrophysics | 1,247 | 154.0K | 105 | 59 |
| 5 | Medicine | 2,363 | 139.6K | 111 | 107 |
| 6 | Neurology | 1,948 | 136.0K | 72 | 70 |
| 7 | Astronomy | 1,295 | 133.7K | 85 | 48 |
| 8 | Human genetics | 831 | 124.6K | 20 | 40 |
| 9 | Natural history | 237 | 120.1K | 241 | 116 |
| 10 | Chemistry | 1,486 | 106.5K | 252 | 198 |
| 11 | Medical genetics | 1,308 | 88.6K | 14 | 20 |
| 12 | Microbiology | 1,115 | 82.9K | 113 | 90 |
| 13 | Research | 1,986 | 82.7K | 77 | 82 |
| 14 | Biochemistry | 1,816 | 77.0K | 187 | 190 |
| 15 | Molecular Biology | 1,192 | 76.0K | 178 | 189 |
| 16 | Ecology | 685 | 55.6K | 189 | 144 |
| 17 | Neurophysiology | 752 | 54.0K | 50 | 54 |
| 18 | Cytology | 575 | 53.5K | 153 | 154 |
| 19 | Genetics | 578 | 53.4K | 101 | 97 |
| 20 | Psychiatry | 860 | 50.5K | 71 | 71 |
| 21 | Condensed Matter | 1,003 | 50.2K | 92 | 71 |
| 22 | Cell Biology | 476 | 50.0K | 169 | 155 |
| 23 | Solid State Physics | 1,014 | 49.7K | 97 | 69 |
| 24 | Psychophysiology | 835 | 48.2K | 37 | 39 |
| 25 | Immunology | 549 | 46.8K | 92 | 77 |
| 26 | Psychology | 908 | 45.2K | 74 | 75 |
| 27 | Nuclear Physics | 971 | 45.1K | 211 | 156 |
| 28 | Spectrum analysis | 632 | 42.2K | 144 | 128 |
| 29 | Diagnostic Imaging | 318 | 35.2K | 26 | 2 |
| 30 | Behavior | 592 | 34.8K | 60 | 55 |
| 31 | Immunity | 149 | 32.9K | 145 | 77 |
| 32 | Metabolism | 524 | 32.5K | 61 | 71 |
| 33 | Virology | 161 | 32.3K | 303 | 167 |
| 34 | Physiology | 647 | 31.0K | 96 | 90 |
| 35 | Biophysics | 892 | 30.3K | 113 | 125 |
| 36 | Cognitive neuroscience | 335 | 30.0K | 9 | 19 |
| 37 | Mental Disorders | 499 | 28.9K | 55 | 61 |
| 38 | human behavior | 411 | 28.4K | 44 | 44 |
| 39 | Brain | 558 | 28.2K | 50 | 52 |
| 40 | Metabolic diseases | 459 | 28.1K | 50 | 70 |
| 41 | Pharmacology | 807 | 27.5K | 123 | 124 |
| 42 | Hematology | 553 | 27.3K | 111 | 106 |
| 42 | Cognition | 552 | 27.3K | 7 | 16 |
| 44 | Endocrinology | 443 | 26.3K | 105 | 124 |
| 45 | United States | 591 | 26.2K | 163 | 106 |
| 46 | Public Health | 630 | 25.8K | 145 | 155 |
| 47 | Nervous system | 472 | 25.6K | 28 | 59 |
| 48 | Environment | 356 | 24.9K | 223 | 227 |
| 49 | Pollution | 407 | 24.2K | 195 | 199 |
| 50 | Materials | 196 | 23.3K | 812 | 333 |
| 51 | Cancer | 508 | 22.8K | 103 | 144 |
| 52 | Europe | 642 | 22.4K | 26 | 12 |
| 53 | Cognitive Science | 217 | 22.3K | 11 | 10 |
| 54 | Nanotechnology | 252 | 22.0K | 458 | 279 |
| 55 | Social Psychology | 289 | 21.5K | 72 | 68 |
| 56 | Biocompatible Materials | 379 | 21.4K | 167 | 158 |
| 57 | Computer Vision | 73 | 20.5K | 96 | 18 |
| 58 | Image Processing | 79 | 20.5K | 281 | 40 |
| 59 | Surgery | 247 | 20.4K | 89 | 95 |
| 60 | Microbial Ecology | 227 | 20.3K | 81 | 74 |
| 61 | Biotechnology | 227 | 20.2K | 466 | 293 |
| 62 | Genomics | 396 | 20.0K | 57 | 49 |
| 63 | Materials Science | 127 | 19.0K | 699 | 215 |
| 64 | Botany | 300 | 18.7K | 240 | 182 |
| 65 | Psycholinguistics | 331 | 17.7K | 4 | 9 |
| 66 | Neuropsychology | 432 | 17.5K | 23 | 33 |
| 67 | Epidemiology | 431 | 17.4K | 93 | 108 |
| 68 | Animal Behavior | 185 | 16.0K | 121 | 56 |
| 69 | Quantum Gravity | 254 | 15.8K | 224 | 138 |
| 70 | Host-parasite interactions | 70 | 15.5K | 126 | 40 |
| 71 | Medical Microbiology | 280 | 15.4K | 48 | 63 |
| 72 | Environmental Policy | 163 | 14.9K | 149 | 77 |
| 73 | Environmental Health | 289 | 14.8K | 266 | 262 |
| 74 | Ethology | 158 | 14.6K | 90 | 47 |
| 75 | Neurons | 47 | 14.3K | 106 | 80 |
| 76 | Mental illness | 205 | 14.2K | 87 | 78 |
| 77 | Plant Ecology | 157 | 13.8K | 65 | 15 |
| 78 | Biomechanics | 132 | 13.7K | 57 | 19 |
| 79 | Neurobiology | 173 | 13.5K | 108 | 93 |
| 80 | Child psychology | 230 | 13.4K | 72 | 72 |
| 81 | Pathology | 287 | 13.4K | 69 | 89 |
| 82 | Computational Biology | 156 | 13.3K | 140 | 98 |
| 83 | Aging | 250 | 13.0K | 146 | 85 |
| 84 | Oncology | 174 | 12.9K | 124 | 145 |
| 85 | Bioengineering | 133 | 12.9K | 438 | 304 |
| 86 | Critical Care Medicine | 216 | 12.8K | 51 | 78 |
| 87 | Critical Care | 214 | 12.6K | 52 | 79 |
| 88 | Geriatrics | 292 | 12.3K | 137 | 103 |
| 89 | Psychopharmacology | 174 | 12.3K | 72 | 68 |
| 90 | environmental pollution | 242 | 12.1K | 208 | 185 |
| 91 | Immune system | 57 | 12.1K | 123 | 92 |
| 92 | Child Development | 281 | 11.9K | 66 | 82 |
| 93 | Cerebral cortex | 206 | 11.7K | 15 | 25 |
| 94 | Clinical Chemistry | 293 | 11.7K | 82 | 85 |
| 95 | Nuclear Medicine | 141 | 11.6K | 46 | 8 |
| 96 | Nutrition | 258 | 11.3K | 228 | 226 |
| 97 | Biomedical Engineering | 271 | 11.1K | 271 | 234 |
| 98 | mycoses | 71 | 11.1K | 24 | 18 |
| 99 | drug therapy | 362 | 11.0K | 50 | 67 |
| 100 | arthritis | 203 | 10.9K | 45 | 62 |
| 101 | Education | 245 | 10.9K | 196 | 101 |
| 102 | Ophthalmology | 332 | 10.8K | 57 | 71 |
| 103 | Linguistics | 429 | 10.8K | 3 | 20 |
| 104 | Leukemia | 107 | 10.6K | 67 | 46 |
| 105 | infection | 160 | 10.4K | 41 | 25 |
| 106 | Infections | 147 | 10.3K | 21 | 19 |
| 107 | Molecular Imaging | 111 | 10.2K | 28 | 9 |
| 108 | Health Services Research | 316 | 10.1K | 24 | 32 |
| 109 | Cytogenetics | 138 | 10.0K | 80 | 110 |
| 110 | transport vesicles | 5 | 10.0K | 141 | 99 |
| 111 | Neurochemistry | 187 | 9.9K | 155 | 133 |
| 112 | Memory | 193 | 9.9K | 101 | 78 |
| 113 | Sociology | 222 | 9.9K | 142 | 122 |
| 114 | Developmental Biology | 81 | 9.9K | 280 | 175 |
| 115 | Pharmaceutical Chemistry | 193 | 9.8K | 282 | 203 |
| 116 | Bacterial infections | 37 | 9.8K | 88 | 28 |
| 117 | rehabilitation | 309 | 9.7K | 45 | 61 |
| 118 | nucleic acids | 144 | 9.6K | 114 | 171 |
| 119 | Developmental Disabilities | 305 | 9.5K | 4 | 29 |
| 120 | Environmental Engineering | 150 | 9.3K | 255 | 228 |
| 121 | Immunotherapy | 116 | 9.3K | 109 | 100 |
| 122 | Social Sciences | 295 | 9.2K | 84 | 70 |
| 123 | personality | 146 | 9.0K | 78 | 82 |
| 124 | alcoholism | 205 | 9.0K | 69 | 58 |
| 125 | Radiography | 72 | 8.9K | 90 | 34 |
| 126 | Toxicology | 263 | 8.9K | 262 | 291 |
| 127 | Polymers | 182 | 8.8K | 546 | 348 |
| 128 | Parasitic Diseases | 146 | 8.8K | 63 | 39 |
| 129 | Health | 210 | 8.8K | 85 | 70 |
| 130 | Analytical Chemistry | 233 | 8.8K | 337 | 307 |
| 131 | Primary health care | 327 | 8.8K | 14 | 18 |
| 132 | Diabetes | 142 | 8.7K | 177 | 170 |
| 133 | Perception | 222 | 8.7K | 90 | 81 |
| 134 | Environmental Microbiology | 86 | 8.5K | 55 | 28 |
| 135 | Diabetes mellitus | 122 | 8.3K | 171 | 163 |
| 136 | nuclear magnetic resonance | 233 | 8.1K | 17 | 19 |
| 137 | Artificial Intelligence | 192 | 8.1K | 201 | 195 |
| 138 | genome | 72 | 8.0K | 168 | 148 |
| 139 | Speech Disorders | 206 | 7.9K | 35 | 32 |
| 139 | Virulence | 60 | 7.9K | 141 | 75 |
| 141 | Product life cycle | 42 | 7.7K | 12 | 5 |
| 141 | green products | 42 | 7.7K | 11 | 5 |
| 143 | Adolescent | 214 | 7.7K | 92 | 63 |
| 144 | Membranes | 227 | 7.6K | 45 | 101 |
| 145 | drug addiction | 172 | 7.5K | 54 | 45 |
| 146 | Health Education | 243 | 7.5K | 53 | 50 |
| 147 | medical education | 274 | 7.5K | 53 | 59 |
| 148 | management | 173 | 7.4K | 217 | 293 |
| 149 | Speech | 184 | 7.4K | 32 | 28 |
| 150 | gene mapping | 109 | 7.4K | 129 | 128 |
| 151 | Pediatric Neurology | 107 | 7.4K | 62 | 100 |
| 152 | Food | 112 | 7.4K | 245 | 122 |
| 153 | Developmental Psychology | 181 | 7.3K | 33 | 54 |
| 154 | Learning | 166 | 7.2K | 41 | 58 |
| 155 | Health Policy | 198 | 7.2K | 98 | 80 |
| 156 | Dermatology | 217 | 7.1K | 84 | 98 |
| 157 | Therapeutics | 186 | 7.1K | 65 | 95 |
| 158 | Medical innovations | 32 | 7.1K | 162 | 71 |
| 159 | Water pollution | 78 | 7.1K | 380 | 171 |
| 160 | drug development | 33 | 7.1K | 147 | 68 |
| 161 | Reproduction | 173 | 7.0K | 126 | 105 |
| 162 | Magnetic Resonance Spectroscopy | 212 | 7.0K | 19 | 19 |
| 163 | feeding behavior | 102 | 6.9K | 21 | 9 |
| 164 | nanoscience | 67 | 6.7K | 536 | 314 |
| 165 | psychotherapy | 96 | 6.7K | 106 | 83 |
| 166 | Medical Oncology | 137 | 6.7K | 152 | 141 |
| 167 | Medical Physics | 186 | 6.6K | 111 | 108 |
| 168 | Communication | 164 | 6.6K | 81 | 87 |
| 169 | Biodiversity conservation | 76 | 6.6K | 174 | 193 |
| 170 | Pediatrics | 146 | 6.6K | 210 | 222 |
| 171 | Appetite | 92 | 6.5K | 16 | 9 |
| 172 | Bioinformatics | 71 | 6.4K | 254 | 177 |
| 173 | Diagnostic microbiology | 120 | 6.4K | 57 | 105 |
| 174 | adolescence | 136 | 6.4K | 27 | 25 |
| 175 | Embryology | 115 | 6.4K | 140 | 162 |
| 176 | Obstetrics | 240 | 6.3K | 123 | 143 |
| 177 | Evolution | 124 | 6.3K | 144 | 195 |
| 178 | Mathematics | 281 | 6.3K | 529 | 319 |
| 179 | sanitation | 84 | 6.2K | 182 | 197 |
| 180 | Bacteriology | 175 | 6.2K | 109 | 191 |
| 181 | Bioorganic chemistry | 92 | 6.1K | 321 | 167 |
| 182 | Allergy | 37 | 6.1K | 271 | 176 |
| 183 | proteins | 83 | 6.1K | 209 | 114 |
| 184 | Biochemical Engineering | 38 | 6.1K | 943 | 482 |
| 185 | miniaturization | 67 | 6.0K | 270 | 222 |
| 186 | Radiobiology | 131 | 6.0K | 126 | 117 |
| 187 | behavioral medicine | 100 | 6.0K | 81 | 79 |
| 188 | Job satisfaction | 34 | 6.0K | 4 | 2 |
| 188 | Work | 34 | 6.0K | 27 | 2 |
| 188 | job stress | 34 | 6.0K | 4 | 2 |
| 191 | language | 120 | 6.0K | 31 | 18 |
| 192 | Transplantation | 90 | 5.9K | 131 | 106 |
| 193 | Parenteral nutrition | 87 | 5.8K | 50 | 53 |
| 194 | scientific societies | 158 | 5.8K | 7 | 6 |
| 195 | Organic Chemistry | 112 | 5.8K | 381 | 212 |
| 196 | Rheumatology | 90 | 5.7K | 92 | 76 |
| 197 | Respiration | 142 | 5.7K | 80 | 94 |
| 198 | Neurosurgery | 115 | 5.7K | 23 | 29 |
| 199 | Plant cells | 55 | 5.7K | 211 | 222 |
| 200 | Genetic disorders | 155 | 5.7K | 8 | 6 |
| 201 | Water | 61 | 5.6K | 436 | 275 |
| 202 | environmental protection | 81 | 5.6K | 375 | 203 |
| 203 | biological evolution | 97 | 5.6K | 222 | 273 |
| 203 | plant communities | 95 | 5.6K | 44 | 59 |
| 205 | brain mapping | 106 | 5.6K | 21 | 32 |
| 206 | Substance Abuse | 176 | 5.5K | 72 | 70 |
| 207 | Geriatric Psychiatry | 139 | 5.5K | 14 | 14 |
| 208 | Quality of life | 120 | 5.5K | 35 | 52 |
| 209 | Histology | 124 | 5.5K | 87 | 104 |
| 210 | Enteral nutrition | 66 | 5.5K | 38 | 37 |
| 211 | Physical Therapy | 138 | 5.4K | 71 | 86 |
| 212 | Child | 186 | 5.4K | 124 | 125 |
| 213 | Growth | 52 | 5.3K | 195 | 173 |
| 214 | Urology | 138 | 5.3K | 167 | 167 |
| 215 | Gerontology | 148 | 5.2K | 142 | 79 |
| 216 | Sustainable Development | 47 | 5.2K | 199 | 72 |
| 217 | Disease | 12 | 5.2K | 79 | 75 |
| 218 | Clinical Pharmacology | 194 | 5.2K | 31 | 33 |
| 219 | Molecular structure | 65 | 5.1K | 261 | 155 |
| 220 | Cell metabolism | 19 | 5.1K | 151 | 94 |
| 221 | diseases | 10 | 5.1K | 108 | 81 |
| 222 | Nanostructures | 55 | 5.1K | 223 | 145 |
| 223 | counseling | 165 | 5.1K | 54 | 54 |
| 224 | Intellectual disability | 223 | 5.1K | 7 | 19 |
| 225 | Chronic diseases | 90 | 5.1K | 40 | 79 |
| 226 | Homeostasis | 17 | 5.1K | 124 | 94 |
| 227 | Meteorology | 59 | 5.0K | 422 | 297 |
| 228 | polymerization | 95 | 5.0K | 725 | 443 |
| 229 | Obesity | 132 | 5.0K | 153 | 191 |
| 230 | Marine Biology | 122 | 5.0K | 253 | 220 |
| 231 | Patient education | 153 | 4.9K | 7 | 17 |
| 232 | Anatomy | 132 | 4.9K | 127 | 186 |
| 233 | protein | 31 | 4.9K | 277 | 80 |
| 234 | drugs | 180 | 4.8K | 53 | 75 |
| 235 | Palliative Care | 141 | 4.8K | 11 | 7 |
| 236 | organization | 54 | 4.7K | 69 | 90 |
| 237 | Climate change | 41 | 4.7K | 178 | 214 |
| 237 | Eutrophication | 41 | 4.7K | 173 | 213 |
| 239 | Clinical Psychology | 92 | 4.7K | 120 | 131 |
| 240 | Biodiversity | 60 | 4.7K | 281 | 168 |
| 241 | Alzheimer's disease | 157 | 4.6K | 102 | 97 |
| 242 | Physical Chemistry | 85 | 4.6K | 252 | 194 |
| 243 | Microelectronics | 44 | 4.5K | 415 | 242 |
| 244 | Neurolinguistics | 74 | 4.5K | 12 | 13 |
| 245 | Medical Laboratory Science | 75 | 4.4K | 229 | 199 |
| 246 | Public Administration | 125 | 4.4K | 66 | 51 |
| 247 | drug resistance | 81 | 4.4K | 7 | 4 |
| 248 | Teaching | 122 | 4.4K | 80 | 74 |
| 249 | Muscles | 120 | 4.2K | 20 | 39 |
| 250 | Nanostructured Materials | 101 | 4.2K | 466 | 422 |
| 251 | Information Systems | 91 | 4.1K | 34 | 33 |
| 252 | Crystallography | 185 | 4.1K | 36 | 62 |
| 253 | Diet | 107 | 4.1K | 195 | 278 |
| 254 | Regional Planning | 118 | 4.0K | 60 | 73 |
| 255 | Environmental monitoring | 105 | 4.0K | 375 | 434 |
| 256 | Political Science | 117 | 4.0K | 143 | 113 |
| 257 | Chromosome mapping | 79 | 4.0K | 151 | 157 |
| 258 | Retina | 22 | 3.9K | 14 | 17 |
| 259 | eye | 22 | 3.9K | 25 | 20 |
| 260 | Plants | 47 | 3.9K | 394 | 292 |
| 261 | Hypertension | 101 | 3.9K | 190 | 304 |
| 262 | pain | 104 | 3.9K | 100 | 154 |
| 263 | Economic Development | 62 | 3.9K | 166 | 124 |
| 264 | Autism | 77 | 3.9K | 45 | 44 |
| 265 | Malaria | 103 | 3.9K | 27 | 31 |
| 266 | Attention | 132 | 3.9K | 134 | 144 |
| 267 | Mycology | 110 | 3.8K | 95 | 117 |
| 268 | Vision | 80 | 3.8K | 59 | 63 |
| 269 | Neuromuscular diseases | 113 | 3.8K | 20 | 35 |
| 270 | Research Design | 76 | 3.8K | 101 | 101 |
| 271 | health planning | 117 | 3.7K | 75 | 56 |
| 272 | Language Disorders | 147 | 3.7K | 34 | 40 |
| 273 | Bones | 39 | 3.7K | 111 | 64 |
| 274 | Emotions | 62 | 3.7K | 35 | 34 |
| 275 | biological factors | 110 | 3.7K | 53 | 73 |
| 276 | Medical Anthropology | 55 | 3.6K | 174 | 142 |
| 277 | Orthopedics | 91 | 3.6K | 170 | 130 |
| 278 | Industrial Microbiology | 42 | 3.6K | 288 | 136 |
| 279 | Plant physiology | 62 | 3.6K | 334 | 308 |
| 280 | Public Policy | 94 | 3.6K | 129 | 100 |
| 281 | Dementia | 134 | 3.6K | 109 | 100 |
| 282 | Neuropsychiatry | 82 | 3.5K | 37 | 35 |
| 282 | Immunopathology | 88 | 3.5K | 103 | 93 |
| 284 | Environmental Chemistry | 78 | 3.5K | 167 | 302 |
| 285 | Educational Psychology | 116 | 3.5K | 92 | 120 |
| 286 | cell physiology | 46 | 3.5K | 265 | 216 |
| 287 | movement | 60 | 3.4K | 4 | 1 |
| 288 | DNA polymerases | 29 | 3.4K | 78 | 97 |
| 289 | Social behavior | 80 | 3.4K | 86 | 115 |
| 290 | viruses | 44 | 3.4K | 330 | 270 |
| 291 | Genetic engineering | 64 | 3.4K | 251 | 220 |
| 292 | Psychosomatic Medicine | 98 | 3.4K | 35 | 71 |
| 293 | Cardiovascular system | 71 | 3.4K | 243 | 358 |
| 294 | Catalysis | 98 | 3.3K | 702 | 788 |
| 295 | Sports Medicine | 123 | 3.3K | 217 | 271 |
| 296 | Statistical physics | 151 | 3.3K | 442 | 511 |
| 297 | Long-Term Care | 88 | 3.3K | 18 | 50 |
| 297 | Long-term care facilities | 88 | 3.3K | 18 | 50 |
| 299 | Electronics | 52 | 3.3K | 881 | 432 |
| 300 | Vaccines | 97 | 3.2K | 164 | 162 |
| 301 | rare diseases | 79 | 3.2K | 10 | 13 |
| 302 | Environmental Management | 84 | 3.2K | 284 | 339 |
| 303 | Reading | 84 | 3.2K | 26 | 24 |
| 304 | Environmental pollutants | 77 | 3.2K | 180 | 158 |
| 305 | Solid State Chemistry | 88 | 3.2K | 295 | 170 |
| 306 | Molecules | 108 | 3.2K | 94 | 112 |
| 307 | Liposomes | 46 | 3.2K | 21 | 23 |
| 308 | Lipid bilayers | 45 | 3.1K | 15 | 23 |
| 309 | Developing countries | 119 | 3.1K | 123 | 173 |
| 310 | Randomized Controlled Trials | 162 | 3.1K | 21 | 34 |
| 311 | pollutants | 73 | 3.1K | 150 | 136 |
| 312 | Renewable Energy Sources | 13 | 3.1K | 1320 | 482 |
| 313 | Economic History | 96 | 3.1K | 342 | 230 |
| 314 | Wildlife conservation | 43 | 3.1K | 176 | 126 |
| 315 | Cybernetics | 61 | 3.0K | 194 | 197 |
| 316 | Kidney diseases | 60 | 3.0K | 93 | 71 |
| 317 | Lipids | 28 | 3.0K | 293 | 125 |
| 318 | Information Theory | 82 | 3.0K | 138 | 136 |
| 318 | Liver diseases | 46 | 3.0K | 301 | 331 |
| 320 | human development | 99 | 3.0K | 35 | 71 |
| 321 | Youth | 61 | 3.0K | 44 | 39 |
| 322 | soil microbiology | 60 | 3.0K | 179 | 236 |
| 323 | Adolescent Psychology | 66 | 2.9K | 63 | 51 |
| 324 | United Kingdom | 73 | 2.9K | 181 | 215 |
| 325 | Optical materials | 46 | 2.9K | 653 | 456 |
| 326 | Organizational Sociology | 33 | 2.9K | 21 | 4 |
| 327 | Cell differentiation | 49 | 2.9K | 329 | 400 |
| 328 | Chemical Engineering | 41 | 2.9K | 1495 | 992 |
| 329 | Technology | 58 | 2.8K | 809 | 493 |
| 330 | Medical Ethics | 135 | 2.8K | 47 | 24 |
| 331 | Mental Health | 101 | 2.8K | 111 | 102 |
| 332 | Molecular evolution | 63 | 2.8K | 150 | 206 |
| 333 | Engineering | 53 | 2.8K | 867 | 368 |
| 334 | Audiology | 100 | 2.8K | 49 | 74 |
| 335 | Smoking | 78 | 2.7K | 76 | 71 |
| 336 | sustainability | 20 | 2.7K | 186 | 66 |
| 337 | Parasitology | 89 | 2.7K | 203 | 183 |
| 338 | behavior therapy | 108 | 2.7K | 49 | 94 |
| 339 | Economics | 143 | 2.7K | 481 | 567 |
| 339 | plant molecular biology | 29 | 2.7K | 425 | 362 |
| 339 | fertility | 81 | 2.7K | 102 | 144 |
| 342 | Health insurance | 20 | 2.7K | 112 | 46 |
| 343 | Infertility | 80 | 2.7K | 95 | 142 |
| 344 | disabilities | 117 | 2.7K | 13 | 27 |
| 345 | Nephrology | 40 | 2.7K | 96 | 69 |
| 346 | Tropical Medicine | 80 | 2.7K | 111 | 80 |
| 347 | Visual Perception | 114 | 2.6K | 147 | 199 |
| 348 | cell membrane | 48 | 2.6K | 63 | 55 |
| 349 | Mental Health Services | 73 | 2.6K | 120 | 72 |
| 350 | Bioenergetics | 49 | 2.6K | 79 | 68 |
| 351 | enzymes | 34 | 2.6K | 306 | 134 |
| 352 | global environmental change | 35 | 2.6K | 98 | 85 |
| 353 | Energy metabolism | 48 | 2.6K | 64 | 61 |
| 354 | Clinical Immunology | 51 | 2.5K | 161 | 87 |
| 355 | epilepsy | 63 | 2.5K | 79 | 56 |
| 356 | preventive medicine | 49 | 2.4K | 172 | 168 |
| 357 | Post-traumatic stress disorder | 62 | 2.4K | 64 | 79 |
| 358 | auditory perception | 62 | 2.4K | 13 | 33 |
| 359 | Plant diseases | 46 | 2.4K | 415 | 226 |
| 360 | Nanoparticles | 33 | 2.4K | 431 | 235 |
| 361 | Speech Perception | 60 | 2.4K | 9 | 30 |
| 362 | Autoimmunity | 44 | 2.3K | 72 | 78 |
| 363 | nuclear magnetic resonance spectroscopy | 54 | 2.3K | 46 | 29 |
| 364 | Human Geography | 94 | 2.3K | 72 | 105 |
| 365 | biopolymers | 60 | 2.3K | 150 | 129 |
| 366 | Cardiovascular diseases | 96 | 2.3K | 143 | 191 |
| 367 | Clinical Biochemistry | 83 | 2.3K | 66 | 99 |
| 368 | Ethics | 92 | 2.3K | 18 | 17 |
| 369 | ecosystem | 48 | 2.2K | 168 | 203 |
| 370 | city planning | 82 | 2.2K | 122 | 138 |
| 371 | Optics | 82 | 2.2K | 974 | 714 |
| 372 | Bone diseases | 14 | 2.2K | 127 | 61 |
| 373 | System analysis | 37 | 2.2K | 495 | 232 |
| 374 | Colloids | 73 | 2.2K | 789 | 871 |
| 375 | Hormones | 48 | 2.1K | 200 | 185 |
| 376 | Experimental Psychology | 44 | 2.1K | 65 | 81 |
| 377 | Molecular Genetics | 48 | 2.1K | 329 | 380 |
| 378 | Culture | 41 | 2.1K | 160 | 32 |
| 379 | Geriatric Oncology | 49 | 2.1K | 35 | 33 |
| 380 | Crystallization | 15 | 2.1K | 159 | 12 |
| 381 | Agriculture | 44 | 2.0K | 356 | 269 |
| 382 | Performance | 32 | 2.0K | 27 | 14 |
| 383 | Sleep Disorders | 72 | 2.0K | 182 | 221 |
| 384 | Stem cells | 77 | 2.0K | 151 | 297 |
| 385 | Intelligence | 50 | 2.0K | 15 | 30 |
| 386 | Analytical Biochemistry | 47 | 2.0K | 220 | 188 |
| 387 | Crystal growth | 70 | 2.0K | 49 | 61 |
| 388 | marketing | 35 | 2.0K | 430 | 366 |
| 389 | Cerebellum | 33 | 2.0K | 16 | 14 |
| 389 | Cerebellar ataxia | 33 | 2.0K | 16 | 14 |
| 391 | Drug delivery systems | 26 | 1.9K | 373 | 228 |
| 392 | Chromosomes | 56 | 1.9K | 79 | 106 |
| 393 | Bioethics | 100 | 1.9K | 46 | 35 |
| 394 | race relations | 59 | 1.9K | 25 | 23 |
| 395 | Learning disabilities | 127 | 1.9K | 21 | 65 |
| 396 | pain management | 56 | 1.9K | 36 | 39 |
| 397 | Sleep | 70 | 1.9K | 189 | 243 |
| 398 | Cell death | 23 | 1.9K | 404 | 304 |
| 399 | Phonetics | 57 | 1.9K | 11 | 20 |
| 400 | Public opinion | 42 | 1.9K | 16 | 22 |
| 401 | Infection control | 52 | 1.9K | 3 | 6 |
| 402 | freshwater biology | 38 | 1.9K | 94 | 78 |
| 403 | Neural circuitry | 60 | 1.8K | 198 | 255 |
| 404 | Eating Disorders | 48 | 1.8K | 110 | 109 |
| 404 | risk factors | 70 | 1.8K | 37 | 79 |
| 406 | Cosmology | 36 | 1.8K | 70 | 59 |
| 407 | Europa | 59 | 1.8K | 14 | 22 |
| 408 | Antibacterial agents | 66 | 1.8K | 15 | 36 |
| 409 | Proteome | 42 | 1.8K | 177 | 226 |
| 410 | Recombinant DNA | 38 | 1.8K | 243 | 187 |
| 411 | Multivariate Analysis | 10 | 1.8K | 223 | 31 |
| 412 | Developmental Immunology | 15 | 1.8K | 157 | 35 |
| 413 | Feeding and Eating Disorders | 43 | 1.8K | 117 | 104 |
| 414 | Aquaculture | 30 | 1.8K | 374 | 211 |
| 415 | Molecular cloning | 37 | 1.8K | 221 | 166 |
| 415 | Genetic recombination | 37 | 1.8K | 216 | 163 |
| 417 | Pharmacy | 49 | 1.8K | 371 | 314 |
| 418 | Anxiety Disorders | 40 | 1.8K | 65 | 108 |
| 418 | Anxiety | 40 | 1.8K | 65 | 108 |
| 420 | violence | 47 | 1.8K | 121 | 113 |
| 421 | Oncogenes | 28 | 1.7K | 343 | 388 |
| 422 | Transportation | 38 | 1.7K | 373 | 268 |
| 423 | Chemotherapy | 59 | 1.7K | 187 | 191 |
| 424 | Data Mining | 38 | 1.7K | 217 | 245 |
| 425 | Agricultural Ecology | 29 | 1.7K | 179 | 186 |
| 426 | Microorganisms | 19 | 1.7K | 271 | 211 |
| 427 | Consciousness | 40 | 1.7K | 20 | 18 |
| 428 | Geography | 41 | 1.7K | 432 | 350 |
| 429 | Environmental Law | 35 | 1.7K | 184 | 245 |
| 430 | data collection | 31 | 1.7K | 137 | 180 |
| 430 | Recycling | 11 | 1.7K | 219 | 90 |
| 432 | locomotion | 41 | 1.7K | 57 | 62 |
| 432 | posture | 41 | 1.7K | 57 | 62 |
| 432 | gait | 41 | 1.7K | 57 | 62 |
| 432 | walking | 41 | 1.7K | 57 | 62 |
| 436 | Environmental Toxicology | 48 | 1.6K | 382 | 487 |
| 436 | Morphology | 38 | 1.6K | 82 | 51 |
| 438 | Statistics | 85 | 1.6K | 397 | 458 |
| 439 | Oceanography | 39 | 1.6K | 453 | 422 |
| 440 | International Relations | 63 | 1.6K | 118 | 95 |
| 441 | Vocational guidance | 18 | 1.6K | 270 | 167 |
| 442 | Oral communication | 50 | 1.6K | 9 | 15 |
| 443 | Cognitive Therapy | 46 | 1.6K | 42 | 42 |
| 444 | Serology | 105 | 1.6K | 7 | 22 |
| 445 | Hearing | 83 | 1.6K | 65 | 88 |
| 446 | Mathematical Physics | 148 | 1.6K | 249 | 462 |
| 447 | Molecular Microbiology | 29 | 1.6K | 197 | 250 |
| 448 | Biogeochemistry | 39 | 1.6K | 232 | 298 |
| 449 | Zoology | 28 | 1.6K | 772 | 357 |
| 450 | Structural Equation Modeling | 5 | 1.6K | 73 | 14 |
| 451 | Hemodynamics | 40 | 1.5K | 95 | 151 |
| 451 | Human Resources | 28 | 1.5K | 35 | 32 |
| 453 | environmental exposure | 45 | 1.5K | 246 | 258 |
| 454 | Psychometrics | 58 | 1.5K | 45 | 94 |
| 455 | Comparative Physiology | 20 | 1.5K | 220 | 94 |
| 456 | Biogeography | 23 | 1.5K | 249 | 239 |
| 457 | Combinatorial chemistry | 24 | 1.5K | 176 | 153 |
| 458 | hospice care | 69 | 1.5K | 6 | 5 |
| 459 | Occupational Health | 52 | 1.5K | 97 | 96 |
| 460 | Schizophrenia | 32 | 1.5K | 262 | 251 |
| 461 | Earth Sciences | 28 | 1.5K | 1075 | 717 |
| 462 | Fungi | 27 | 1.5K | 257 | 210 |
| 463 | Physical organic chemistry | 38 | 1.5K | 222 | 134 |
| 464 | Photonics | 28 | 1.5K | 649 | 510 |
| 465 | Immunochemistry | 29 | 1.5K | 159 | 79 |
| 466 | Applied Linguistics | 47 | 1.4K | 29 | 26 |
| 467 | Signal Transduction | 30 | 1.4K | 328 | 372 |
| 468 | Ecosystem management | 23 | 1.4K | 116 | 90 |
| 469 | Regional Economics | 45 | 1.4K | 10 | 21 |
| 470 | Proteomics | 31 | 1.4K | 188 | 202 |
| 471 | Green Chemistry | 22 | 1.4K | 613 | 508 |
| 471 | Ethnic relations | 43 | 1.4K | 24 | 11 |
| 473 | Dynamics | 27 | 1.4K | 325 | 88 |
| 473 | Writing | 41 | 1.4K | 13 | 12 |
| 475 | local government | 24 | 1.4K | 32 | 12 |
| 476 | Parasites | 45 | 1.4K | 214 | 202 |
| 477 | nuclear astrophysics | 33 | 1.4K | 56 | 62 |
| 478 | Molecular ecology | 21 | 1.4K | 346 | 331 |
| 479 | gene therapy | 36 | 1.3K | 183 | 243 |
| 480 | Philosophy | 104 | 1.3K | 168 | 134 |
| 480 | Pharmaceutical Technology | 32 | 1.3K | 305 | 246 |
| 482 | Molecular Spectroscopy | 62 | 1.3K | 173 | 188 |
| 483 | Soft Condensed Matter | 38 | 1.3K | 214 | 210 |
| 484 | Ethnic Conflict | 39 | 1.3K | 10 | 9 |
| 484 | forced migration | 39 | 1.3K | 10 | 9 |
| 486 | Aggression | 31 | 1.3K | 46 | 58 |
| 487 | animals | 39 | 1.3K | 165 | 100 |
| 488 | Biometrics | 39 | 1.3K | 213 | 189 |
| 489 | economic policy | 62 | 1.3K | 309 | 290 |
| 490 | Economic Assistance | 42 | 1.3K | 60 | 121 |
| 491 | Economic Geography | 57 | 1.3K | 10 | 25 |
| 492 | Electrochemistry | 51 | 1.3K | 1142 | 1021 |
| 493 | Methodology | 33 | 1.3K | 14 | 10 |
| 494 | older people | 82 | 1.3K | 199 | 186 |
| 495 | Dentistry | 31 | 1.3K | 137 | 56 |
| 496 | Geochemistry | 31 | 1.2K | 653 | 601 |
| 497 | Pregnancy | 57 | 1.2K | 58 | 83 |
| 498 | Organizational Behavior | 30 | 1.2K | 85 | 141 |
| 499 | Radio | 23 | 1.2K | 542 | 434 |
| 500 | Systems Biology | 51 | 1.2K | 188 | 223 |
| 501 | Population Genetics | 21 | 1.2K | 394 | 335 |
| 502 | Thrombosis | 44 | 1.2K | 179 | 253 |
| 503 | Community Psychiatry | 28 | 1.2K | 209 | 187 |
| 504 | Sports | 74 | 1.2K | 275 | 431 |
| 505 | Genetic therapy | 28 | 1.2K | 270 | 268 |
| 505 | Decision making | 49 | 1.2K | 166 | 261 |
| 507 | Development | 41 | 1.2K | 86 | 155 |
| 508 | Autoantibodies | 29 | 1.2K | 82 | 75 |
| 508 | Autoimmune diseases | 29 | 1.2K | 101 | 90 |
| 510 | Marine Pollution | 23 | 1.2K | 330 | 253 |
| 511 | Pharmacogenetics | 31 | 1.2K | 183 | 212 |
| 512 | Genetic regulation | 16 | 1.2K | 419 | 382 |
| 513 | Social policy | 36 | 1.1K | 124 | 85 |
| 514 | Nonlinear Dynamics | 55 | 1.1K | 414 | 494 |
| 514 | Sound | 35 | 1.1K | 208 | 155 |
| 516 | Ecological Engineering | 23 | 1.1K | 64 | 60 |
| 517 | Familial diseases | 50 | 1.1K | 4 | 8 |
| 518 | Antigens | 43 | 1.1K | 107 | 156 |
| 519 | Family | 29 | 1.1K | 209 | 167 |
| 520 | mental processes | 60 | 1.1K | 12 | 25 |
| 521 | Animal ecology | 14 | 1.1K | 470 | 270 |
| 522 | solar cells | 29 | 1.1K | 138 | 180 |
| 523 | Oxidative stress | 18 | 1.1K | 179 | 201 |
| 523 | histological techniques | 19 | 1.1K | 167 | 146 |
| 525 | Oxidation-reduction | 11 | 1.1K | 375 | 291 |
| 526 | Social perception | 20 | 1.1K | 13 | 17 |
| 527 | Biomolecules | 26 | 1.1K | 39 | 86 |
| 528 | Geophysics | 34 | 1.1K | 1208 | 1177 |
| 529 | Behavioral Genetics | 30 | 1.1K | 27 | 39 |
| 530 | Tourism | 22 | 1.1K | 431 | 412 |
| 530 | industrial relations | 50 | 1.1K | 95 | 94 |
| 532 | Otolaryngology | 29 | 1.1K | 122 | 105 |
| 532 | Antibodies | 36 | 1.1K | 75 | 112 |
| 532 | Nonprofit organizations | 36 | 1.1K | 11 | 15 |
| 535 | Information Technology | 27 | 1.1K | 581 | 500 |
| 536 | Developmental Genetics | 10 | 1.0K | 272 | 263 |
| 537 | Gene expression regulation | 15 | 1.0K | 366 | 291 |
| 538 | Health Services Administration | 35 | 1.0K | 152 | 170 |
| 539 | Synaptic Transmission | 19 | 1.0K | 105 | 64 |
| 540 | Emergency Medicine | 40 | 1.0K | 295 | 250 |
| 541 | occupational diseases | 35 | 1.0K | 111 | 162 |
| 541 | Quantitative Research | 23 | 1.0K | 39 | 39 |
| 543 | Socialization | 33 | 1.0K | 55 | 99 |
| 544 | Advertising | 21 | 1.0K | 44 | 46 |
| 545 | Land use | 32 | 1.0K | 148 | 170 |
| 545 | Psychiatric Epidemiology | 20 | 1.0K | 108 | 89 |
| 547 | Sustainable Engineering | 15 | 1.0K | 676 | 450 |
| 547 | biological invasions | 19 | 1.0K | 120 | 65 |
| 549 | Drug design | 30 | 1.0K | 289 | 316 |
| 550 | Surface Chemistry | 45 | 1.0K | 1103 | 1305 |
| 551 | Respiratory system | 21 | 1.0K | 136 | 89 |
| 551 | behavior modification | 24 | 1.0K | 104 | 120 |
| 553 | Water quality management | 19 | 993 | 619 | 294 |
| 554 | Organizational change | 13 | 975 | 221 | 86 |
| 555 | Antioxidants | 7 | 972 | 469 | 246 |
| 556 | Business | 28 | 970 | 586 | 704 |
| 556 | Chromatographic analysis | 25 | 970 | 537 | 283 |
| 556 | world | 18 | 970 | 197 | 208 |
| 559 | Bioinorganic chemistry | 33 | 967 | 282 | 252 |
| 560 | Molecular Pharmacology | 34 | 966 | 104 | 197 |
| 561 | Business Ethics | 22 | 965 | 197 | 337 |
| 562 | Mass Media | 39 | 962 | 76 | 36 |
| 563 | Personality Assessment | 29 | 961 | 101 | 136 |
| 564 | molecular chaperones | 15 | 949 | 21 | 16 |
| 565 | Ethnology | 51 | 947 | 149 | 151 |
| 566 | Cell survival | 13 | 946 | 26 | 16 |
| 567 | Hydrology | 38 | 934 | 588 | 696 |
| 568 | ethanol | 24 | 931 | 86 | 69 |
| 569 | Endocrine glands | 7 | 926 | 133 | 92 |
| 570 | Production Management | 5 | 916 | 849 | 421 |
| 571 | environmental indicators | 27 | 900 | 171 | 224 |
| 572 | Second Language Acquisition | 14 | 896 | 29 | 28 |
| 573 | European Union | 16 | 894 | 23 | 15 |
| 574 | innovation | 23 | 889 | 71 | 232 |
| 575 | Environmental risk assessment | 22 | 880 | 33 | 27 |
| 576 | Physical fitness | 19 | 877 | 287 | 233 |
| 577 | Social Change | 29 | 871 | 116 | 279 |
| 578 | Forensic Psychiatry | 51 | 868 | 38 | 60 |
| 579 | families | 52 | 866 | 87 | 140 |
| 579 | Entomology | 30 | 866 | 649 | 499 |
| 581 | Telecommunication | 18 | 865 | 1163 | 782 |
| 582 | Neuroimaging | 39 | 861 | 23 | 31 |
| 583 | Parkinson's disease | 32 | 857 | 10 | 28 |
| 584 | Hippocampus | 12 | 853 | 94 | 89 |
| 585 | Conservation Biology | 30 | 852 | 221 | 351 |
| 586 | Aquatic ecology | 25 | 846 | 169 | 152 |
| 587 | food technology | 15 | 844 | 1143 | 747 |
| 587 | environmental control | 19 | 844 | 24 | 25 |
| 589 | ethnic groups | 26 | 843 | 28 | 20 |
| 590 | Chromatography | 19 | 840 | 555 | 283 |
| 591 | Game Theory | 34 | 838 | 68 | 79 |
| 592 | Computer Science | 52 | 835 | 212 | 269 |
| 592 | Flow cytometry | 22 | 835 | 47 | 45 |
| 594 | Antiviral agents | 44 | 822 | 13 | 44 |
| 595 | Carcinogenesis | 32 | 820 | 179 | 304 |
| 596 | Discourse Analysis | 33 | 818 | 10 | 41 |
| 597 | Nursing | 53 | 805 | 243 | 272 |
| 598 | Soil Science | 14 | 800 | 846 | 570 |
| 599 | speech therapy | 35 | 799 | 56 | 62 |
| 599 | thinking | 20 | 799 | 26 | 24 |
| 601 | blood transfusion | 24 | 789 | 219 | 160 |
| 602 | Neurotransmitters | 48 | 787 | 43 | 83 |
| 603 | Cryptography | 21 | 783 | 105 | 36 |
| 603 | Child welfare | 44 | 783 | 157 | 198 |
| 605 | Geology | 13 | 782 | 1548 | 1003 |
| 606 | Criminal psychology | 44 | 777 | 108 | 180 |
| 606 | Electrophoresis | 16 | 777 | 649 | 397 |
| 606 | Elderly | 50 | 777 | 221 | 127 |
| 609 | Software Engineering | 28 | 767 | 221 | 264 |
| 610 | individual differences | 40 | 760 | 7 | 44 |
| 610 | Social work | 43 | 760 | 271 | 259 |
| 612 | Human-Computer Interaction | 27 | 759 | 297 | 342 |
| 613 | Feminist theory | 16 | 755 | 28 | 9 |
| 614 | Land Use Planning | 16 | 752 | 81 | 79 |
| 615 | Food Microbiology | 11 | 751 | 584 | 447 |
| 615 | Orthopedic Surgery | 32 | 751 | 137 | 160 |
| 615 | Radiation | 23 | 751 | 722 | 505 |
| 618 | Cognitive Psychology | 43 | 749 | 7 | 26 |
| 619 | Dyslexia | 23 | 743 | 10 | 17 |
| 620 | Depression | 14 | 742 | 100 | 152 |
| 621 | Emergency Medical Services | 30 | 734 | 83 | 60 |
| 622 | Hemophilia | 45 | 732 | 50 | 96 |
| 623 | Teratology | 20 | 730 | 58 | 67 |
| 624 | Forest Ecology | 14 | 725 | 433 | 344 |
| 625 | Communication Disorders | 29 | 724 | 27 | 27 |
| 626 | Hematopoietic stem cell transplantation | 13 | 717 | 107 | 87 |
| 627 | Criminology | 44 | 714 | 159 | 214 |
| 627 | Psychiatric Nursing | 36 | 714 | 64 | 55 |
| 629 | Constructivism | 10 | 712 | 14 | 2 |
| 630 | Andrology | 14 | 707 | 206 | 99 |
| 631 | Neonatology | 33 | 706 | 60 | 105 |
| 631 | Digestive system diseases | 31 | 706 | 215 | 245 |
| 633 | Literacy | 33 | 705 | 17 | 16 |
| 633 | viral genetics | 4 | 705 | 279 | 263 |
| 633 | Pancreatic diseases | 20 | 705 | 72 | 59 |
| 636 | Metastasis | 5 | 698 | 108 | 77 |
| 637 | Metallurgy | 30 | 697 | 725 | 751 |
| 637 | psychophysics | 27 | 697 | 28 | 32 |
| 639 | Women's health | 32 | 694 | 220 | 247 |
| 640 | Educational evaluation | 11 | 689 | 38 | 14 |
| 641 | Light | 21 | 688 | 252 | 542 |
| 642 | Systems Theory | 28 | 686 | 19 | 8 |
| 643 | Organometallic compounds | 12 | 683 | 586 | 323 |
| 644 | Spine | 20 | 682 | 233 | 273 |
| 645 | Solar Energy | 23 | 680 | 474 | 620 |
| 646 | Logic Programming | 23 | 679 | 38 | 20 |
| 647 | Forest Management | 12 | 677 | 466 | 331 |
| 648 | International Finance | 20 | 675 | 543 | 447 |
| 648 | Stress | 13 | 675 | 33 | 19 |
| 650 | Organometallic chemistry | 21 | 669 | 664 | 367 |
| 651 | Radiology | 40 | 668 | 300 | 339 |
| 651 | Pharmacokinetics | 18 | 668 | 209 | 218 |
| 653 | Family Therapy | 22 | 667 | 190 | 147 |
| 654 | Oral Medicine | 33 | 664 | 68 | 47 |
| 655 | child mental health | 21 | 662 | 102 | 71 |
| 655 | free radicals | 15 | 662 | 589 | 673 |
| 657 | Microscopy | 29 | 654 | 252 | 302 |
| 658 | Chemical structure | 5 | 652 | 330 | 32 |
| 659 | Hemostasis | 30 | 651 | 145 | 172 |
| 659 | Behavioral research | 17 | 651 | 69 | 29 |
| 661 | child abuse | 15 | 649 | 295 | 264 |
| 662 | Medical Technology | 41 | 648 | 208 | 435 |
| 662 | consumer behavior | 8 | 648 | 245 | 163 |
| 664 | Creativity | 24 | 645 | 13 | 27 |
| 665 | carcinogens | 15 | 642 | 357 | 367 |
| 666 | visualization | 52 | 641 | 233 | 248 |
| 667 | Energy Policy | 17 | 630 | 1145 | 1280 |
| 667 | Superconductors | 39 | 630 | 246 | 231 |
| 667 | Electrophysiology | 27 | 630 | 269 | 261 |
| 670 | industrial hygiene | 30 | 627 | 150 | 94 |
| 671 | Information Science | 34 | 626 | 538 | 856 |
| 672 | rivers | 13 | 625 | 62 | 44 |
| 673 | government | 6 | 624 | 462 | 146 |
| 674 | Histochemistry | 17 | 622 | 340 | 268 |
| 674 | Computational Intelligence | 3 | 622 | 712 | 70 |
| 674 | Social Media | 9 | 622 | 24 | 16 |
| 674 | Ferroelectricity | 66 | 622 | 99 | 189 |
| 674 | Steroids | 25 | 622 | 248 | 293 |
| 679 | Chemical processes | 10 | 621 | 258 | 88 |
| 680 | Biopharmaceutics | 24 | 619 | 247 | 362 |
| 680 | Politics | 5 | 619 | 423 | 110 |
| 682 | Written communication | 30 | 612 | 2 | 9 |
| 683 | Agricultural Chemistry | 9 | 611 | 1432 | 858 |
| 683 | gastrointestinal tract | 11 | 611 | 89 | 98 |
| 685 | solar power | 16 | 610 | 233 | 294 |
| 686 | Diagnosis | 23 | 607 | 58 | 36 |
| 686 | Gastrointestinal diseases | 19 | 607 | 114 | 82 |
| 688 | vascular diseases | 16 | 605 | 244 | 307 |
| 689 | Gender Studies | 16 | 601 | 98 | 70 |
| 689 | Zeolites | 10 | 601 | 425 | 292 |
| 691 | civil service | 24 | 600 | 51 | 88 |
| 692 | Music | 21 | 594 | 200 | 122 |
| 693 | Enzyme | 4 | 588 | 439 | 138 |
| 694 | Waste management | 9 | 586 | 795 | 291 |
| 694 | Water Purification | 9 | 586 | 626 | 237 |
| 696 | Ultrasonics | 32 | 582 | 223 | 411 |
| 697 | Electrocardiography | 23 | 579 | 59 | 37 |
| 697 | Globalization | 22 | 579 | 72 | 90 |
| 697 | actuators | 13 | 579 | 1119 | 956 |
| 697 | transducers | 13 | 579 | 1119 | 956 |
| 701 | finance | 10 | 577 | 1295 | 744 |
| 702 | Mitochondria | 20 | 575 | 14 | 45 |
| 703 | Chemical Ecology | 14 | 574 | 166 | 157 |
| 704 | Quantum theory | 33 | 572 | 162 | 231 |
| 705 | Adolescent Medicine | 7 | 570 | 337 | 370 |
| 706 | Cosmochemistry | 20 | 567 | 263 | 322 |
| 707 | Small Business | 9 | 561 | 352 | 402 |
| 708 | Neuropharmacology | 11 | 560 | 251 | 169 |
| 708 | Professional ethics | 13 | 560 | 37 | 27 |
| 710 | abnormalities | 15 | 559 | 36 | 36 |
| 711 | Cheminformatics | 2 | 552 | 461 | 136 |
| 712 | Systems Analysis | 11 | 549 | 489 | 217 |
| 713 | Mass Spectrometry | 45 | 548 | 169 | 421 |
| 714 | Social History | 36 | 547 | 37 | 34 |
| 714 | planning | 24 | 547 | 105 | 101 |
| 716 | Neurogenetics | 13 | 546 | 61 | 35 |
| 716 | Ultrasound | 29 | 546 | 142 | 209 |
| 718 | motivation | 17 | 545 | 73 | 103 |
| 718 | Fluorescence spectroscopy | 19 | 545 | 34 | 44 |
| 720 | Educational Technology | 20 | 543 | 433 | 414 |
| 721 | Strategic planning | 12 | 542 | 242 | 196 |
| 721 | pheromones | 13 | 542 | 157 | 153 |
| 721 | children | 16 | 542 | 136 | 147 |
| 724 | Reproductive health | 32 | 539 | 120 | 214 |
| 725 | Special Education | 32 | 538 | 122 | 167 |
| 725 | Political Psychology | 7 | 538 | 187 | 126 |
| 725 | Entrepreneurship | 12 | 538 | 344 | 459 |
| 725 | body temperature | 16 | 538 | 70 | 47 |
| 729 | Database Management | 18 | 536 | 265 | 274 |
| 730 | Engineering Ethics | 12 | 535 | 30 | 22 |
| 730 | exobiology | 6 | 535 | 156 | 104 |
| 732 | Journalism | 25 | 533 | 80 | 66 |
| 733 | Sociolinguistics | 15 | 531 | 108 | 83 |
| 734 | Food additives | 18 | 530 | 362 | 463 |
| 735 | Australia | 22 | 527 | 548 | 467 |
| 736 | mutagens | 15 | 525 | 297 | 402 |
| 737 | RNA | 14 | 524 | 171 | 206 |
| 737 | population geography | 20 | 524 | 49 | 64 |
| 739 | motor skills | 13 | 520 | 46 | 52 |
| 740 | Feminism | 23 | 514 | 96 | 96 |
| 741 | Technological Innovations | 19 | 512 | 231 | 288 |
| 742 | Evolutionary Genetics | 13 | 511 | 161 | 133 |
| 742 | Molecular Epidemiology | 13 | 511 | 161 | 133 |
| 744 | energy resources | 12 | 510 | 644 | 836 |
| 745 | Cross-Cultural Studies | 17 | 509 | 147 | 126 |
| 746 | health services accessibility | 21 | 506 | 263 | 265 |
| 746 | Religion | 41 | 506 | 105 | 64 |
| 748 | Diplomatic relations | 13 | 503 | 225 | 43 |
| 748 | Meteorites | 9 | 503 | 556 | 548 |
| 750 | Psychoneuroimmunology | 22 | 502 | 124 | 316 |
| 750 | Neuroimmunology | 22 | 502 | 151 | 349 |
| 752 | Mesoporous materials | 8 | 500 | 36 | 21 |
| 753 | Semiconductors | 32 | 497 | 540 | 592 |
| 754 | Computer Graphics | 9 | 495 | 1037 | 648 |
| 755 | Insects | 18 | 494 | 501 | 440 |
| 756 | Solar power plants | 13 | 492 | 44 | 68 |
| 756 | Photovoltaic Cells | 13 | 492 | 44 | 68 |
| 756 | Solar System | 6 | 492 | 571 | 355 |
| 759 | Intercultural Communication | 15 | 491 | 75 | 73 |
| 759 | Demography | 19 | 491 | 163 | 225 |
| 759 | Social problems | 12 | 491 | 208 | 216 |
| 762 | Law | 35 | 488 | 214 | 178 |
| 762 | Pharmacogenomics | 11 | 488 | 76 | 76 |
| 764 | Humanities | 32 | 482 | 225 | 205 |
| 764 | cell interaction | 21 | 482 | 265 | 461 |
| 766 | international cooperation | 19 | 480 | 131 | 172 |
| 767 | women | 25 | 479 | 132 | 99 |
| 768 | environmental auditing | 6 | 477 | 101 | 77 |
| 769 | Metacognition | 9 | 474 | 6 | 11 |
| 769 | Health promotion | 21 | 474 | 327 | 398 |
| 771 | Environmental Psychology | 10 | 469 | 114 | 165 |
| 771 | Industrial Ecology | 10 | 469 | 52 | 86 |
| 773 | Numerical Analysis | 20 | 468 | 850 | 648 |
| 774 | curriculum evaluation | 23 | 465 | 37 | 60 |
| 775 | Plant Genetics | 5 | 464 | 520 | 372 |
| 776 | Structuralism | 8 | 462 | 60 | 71 |
| 776 | Social Networks | 8 | 462 | 100 | 77 |
| 778 | sexual behavior | 16 | 461 | 190 | 227 |
| 779 | Geriatric Pharmacology | 19 | 458 | 33 | 65 |
| 780 | Occupational Therapy | 31 | 454 | 188 | 158 |
| 781 | Corporate Social Responsibility | 4 | 453 | 186 | 79 |
| 782 | catalytic activity | 11 | 452 | 264 | 237 |
| 783 | Sexual health | 20 | 449 | 192 | 229 |
| 784 | Ergonomics | 12 | 448 | 494 | 305 |
| 784 | Population | 20 | 448 | 222 | 310 |
| 786 | Exercise | 19 | 445 | 422 | 449 |
| 787 | Gender identity | 12 | 444 | 60 | 18 |
| 788 | Sarcopenia | 7 | 440 | 193 | 190 |
| 789 | Signal Processing | 20 | 439 | 1079 | 1252 |
| 790 | Social Issues | 15 | 437 | 58 | 80 |
| 791 | cytokines | 12 | 435 | 551 | 573 |
| 792 | Human Rights | 19 | 433 | 122 | 98 |
| 793 | Combustion | 17 | 431 | 501 | 517 |
| 794 | Philosophy of Mind | 24 | 427 | 13 | 45 |
| 795 | Magnetic Resonance Imaging | 29 | 426 | 82 | 166 |
| 796 | Radioisotopes | 18 | 424 | 386 | 260 |
| 797 | Inflammation | 14 | 420 | 415 | 562 |
| 798 | Global Health | 21 | 419 | 276 | 257 |
| 799 | child behavior | 10 | 418 | 168 | 184 |
| 800 | European integration | 28 | 417 | 21 | 70 |
| 800 | European Economic Community | 28 | 417 | 21 | 70 |
| 802 | Chemical analysis | 11 | 414 | 543 | 466 |
| 803 | peptides | 19 | 411 | 138 | 149 |
| 804 | mammals | 10 | 410 | 484 | 341 |
| 805 | Computational Chemistry | 10 | 408 | 266 | 269 |
| 805 | Social welfare | 16 | 408 | 181 | 148 |
| 807 | Anthropology | 43 | 406 | 287 | 467 |
| 807 | Robotics | 17 | 406 | 694 | 721 |
| 807 | concrete | 2 | 406 | 1168 | 545 |
| 807 | Cement | 2 | 406 | 735 | 369 |
| 811 | Radiopharmaceuticals | 11 | 402 | 148 | 32 |
| 812 | Asia | 28 | 401 | 704 | 762 |
| 813 | Automation | 14 | 400 | 1076 | 1149 |
| 814 | Informatics | 14 | 396 | 282 | 347 |
| 815 | ethnicity | 17 | 394 | 176 | 110 |
| 815 | Socioeconomic Factors | 18 | 394 | 197 | 264 |
| 817 | Phylogeny | 8 | 392 | 472 | 463 |
| 818 | Organelle biogenesis | 28 | 385 | 11 | 60 |
| 819 | health workforce | 10 | 383 | 53 | 70 |
| 820 | Origin of life | 27 | 381 | 5 | 28 |
| 821 | Respiratory Infections | 8 | 380 | 200 | 97 |
| 821 | Agricultural systems | 3 | 380 | 334 | 156 |
| 821 | Influenza | 7 | 380 | 132 | 59 |
| 824 | Energy Conversion | 7 | 378 | 864 | 929 |
| 824 | Political Parties | 6 | 378 | 116 | 50 |
| 826 | Business communication | 6 | 376 | 87 | 29 |
| 827 | Digital Media | 5 | 375 | 111 | 42 |
| 827 | Borderlands | 17 | 375 | 7 | 1 |
| 829 | Microcirculation | 12 | 373 | 157 | 164 |
| 829 | Body Image | 10 | 373 | 83 | 91 |
| 831 | Radiation Oncology | 16 | 372 | 91 | 116 |
| 831 | Machine Learning | 13 | 372 | 100 | 151 |
| 831 | Cognitive Grammar | 13 | 372 | 3 | 9 |
| 831 | fuel cells | 3 | 372 | 1334 | 812 |
| 831 | China | 14 | 372 | 1407 | 1142 |
| 836 | Systems Engineering | 5 | 371 | 1804 | 862 |
| 837 | mutation | 12 | 367 | 224 | 334 |
| 838 | Radio frequency | 22 | 363 | 109 | 183 |
| 839 | Quality Control | 9 | 360 | 889 | 699 |
| 839 | Personality Disorders | 13 | 360 | 82 | 112 |
| 841 | Marine Ecology | 12 | 359 | 329 | 249 |
| 842 | Political Sociology | 12 | 357 | 167 | 163 |
| 842 | Social interaction | 15 | 357 | 78 | 116 |
| 844 | Group decision making | 14 | 352 | 122 | 153 |
| 845 | reasoning | 15 | 351 | 50 | 85 |
| 846 | heredity | 29 | 347 | 94 | 232 |
| 847 | migration policy | 8 | 346 | 72 | 76 |
| 848 | Adult Education | 12 | 343 | 200 | 99 |
| 849 | immigration | 7 | 342 | 75 | 73 |
| 849 | Asylum seeker | 7 | 342 | 65 | 73 |
| 851 | Nonverbal Communication | 10 | 341 | 63 | 84 |
| 852 | Statistical Mechanics | 10 | 339 | 312 | 216 |
| 853 | Yeast | 3 | 338 | 407 | 190 |
| 853 | Demographic research | 6 | 338 | 75 | 92 |
| 855 | Amyotrophic Lateral Sclerosis | 11 | 332 | 89 | 114 |
| 855 | Memory disorders | 16 | 332 | 42 | 91 |
| 857 | Soil biology | 13 | 330 | 400 | 655 |
| 857 | Scandinavia | 17 | 330 | 144 | 190 |
| 859 | School Psychology | 8 | 329 | 231 | 199 |
| 860 | cilia | 9 | 328 | 1 | 3 |
| 861 | voice | 14 | 326 | 154 | 142 |
| 861 | role | 8 | 326 | 209 | 241 |
| 863 | Environmentalism | 6 | 325 | 58 | 55 |
| 864 | Climatology | 7 | 324 | 1169 | 1002 |
| 865 | Emerging infectious diseases | 9 | 323 | 125 | 132 |
| 866 | Immunogenetics | 12 | 322 | 283 | 314 |
| 867 | Bacterial diseases | 7 | 321 | 96 | 88 |
| 868 | Genetic Counseling | 11 | 319 | 109 | 87 |
| 869 | sexual orientation | 6 | 315 | 32 | 11 |
| 870 | Urban Policy | 16 | 314 | 211 | 341 |
| 871 | Pediatric Endocrinology | 11 | 311 | 90 | 41 |
| 871 | cultural pluralism | 5 | 311 | 273 | 69 |
| 871 | Breeding | 22 | 311 | 373 | 644 |
| 874 | Jurisprudence | 22 | 310 | 238 | 330 |
| 875 | residential treatment | 17 | 304 | 12 | 13 |
| 876 | Blood vessels | 13 | 301 | 100 | 134 |
| 876 | disease outbreaks | 19 | 301 | 123 | 302 |
| 876 | Epidemics | 19 | 301 | 117 | 301 |
| 879 | Laser therapy | 17 | 300 | 114 | 81 |
| 879 | peace | 12 | 300 | 176 | 216 |
| 879 | Archaea | 1 | 300 | 17 | 4 |
| 882 | Multilingualism | 8 | 299 | 93 | 64 |
| 883 | calcification | 7 | 298 | 316 | 288 |
| 883 | Fisheries | 12 | 298 | 770 | 806 |
| 885 | Biosensors | 8 | 297 | 800 | 1015 |
| 886 | Brain damage | 13 | 296 | 133 | 200 |
| 887 | cloning | 5 | 295 | 524 | 569 |
| 888 | Soil ecology | 8 | 294 | 427 | 440 |
| 889 | Logic | 11 | 293 | 177 | 98 |
| 890 | school psychologists | 5 | 290 | 134 | 121 |
| 891 | Synthetic biology | 12 | 288 | 112 | 141 |
| 892 | Semantics | 11 | 287 | 44 | 58 |
| 893 | radiative transfer | 10 | 286 | 274 | 220 |
| 894 | Genetic Toxicology | 7 | 285 | 244 | 291 |
| 894 | Econometrics | 8 | 285 | 870 | 626 |
| 894 | Research methodology | 5 | 285 | 47 | 37 |
| 897 | Geopolitics | 13 | 282 | 42 | 47 |
| 898 | Ultrasonic Imaging | 11 | 281 | 202 | 203 |
| 899 | Paleoclimatology | 5 | 280 | 871 | 671 |
| 899 | Bioelectronics | 6 | 280 | 809 | 964 |
| 901 | Language Acquisition | 22 | 278 | 27 | 83 |
| 901 | Water Microbiology | 11 | 278 | 115 | 177 |
| 903 | Paleoecology | 4 | 276 | 925 | 629 |
| 903 | Paleogeography | 4 | 276 | 840 | 577 |
| 903 | Organic Geochemistry | 5 | 276 | 289 | 268 |
| 903 | Stress management | 2 | 276 | 18 | 4 |
| 907 | Nutrition physiology | 6 | 274 | 483 | 424 |
| 907 | health behavior | 17 | 274 | 318 | 484 |
| 907 | Developmental Neurobiology | 18 | 274 | 104 | 196 |
| 910 | Peptide | 15 | 273 | 49 | 61 |
| 911 | Operations Research | 21 | 271 | 775 | 1136 |
| 911 | biochemical markers | 15 | 271 | 138 | 207 |
| 911 | Fuzzy systems | 13 | 271 | 655 | 508 |
| 914 | civil rights | 7 | 269 | 195 | 85 |
| 914 | Electron Microscopy | 10 | 269 | 155 | 128 |
| 916 | Industrial Sociology | 10 | 268 | 53 | 84 |
| 916 | Food preferences | 13 | 268 | 110 | 211 |
| 918 | Sociobiology | 8 | 266 | 95 | 98 |
| 919 | death | 17 | 265 | 32 | 49 |
| 919 | magnetic resonance | 14 | 265 | 136 | 131 |
| 921 | health and race | 7 | 264 | 89 | 59 |
| 922 | police | 13 | 263 | 123 | 94 |
| 923 | Higher Education | 10 | 261 | 248 | 223 |
| 924 | Photochemistry | 18 | 260 | 564 | 938 |
| 924 | software | 14 | 260 | 350 | 649 |
| 926 | Sovereignty | 12 | 259 | 15 | 26 |
| 926 | educational planning | 7 | 259 | 200 | 185 |
| 928 | NMR | 14 | 257 | 128 | 119 |
| 929 | Musicology | 5 | 256 | 119 | 31 |
| 930 | Restoration Ecology | 11 | 254 | 144 | 208 |
| 930 | Bacteria | 3 | 254 | 353 | 287 |
| 930 | family violence | 10 | 254 | 197 | 236 |
| 933 | Computational Linguistics | 12 | 253 | 124 | 85 |
| 934 | Exercise therapy | 10 | 252 | 111 | 90 |
| 935 | Corporate governance | 9 | 251 | 192 | 261 |
| 936 | Simulation Methods | 16 | 249 | 235 | 340 |
| 936 | Crisis management | 9 | 249 | 18 | 31 |
| 938 | Neuroanatomy | 14 | 248 | 22 | 81 |
| 938 | Reproductive toxicology | 7 | 248 | 230 | 254 |
| 940 | energy conservation | 7 | 247 | 1398 | 1611 |
| 940 | drug evaluation | 19 | 247 | 411 | 743 |
| 942 | Biodegradation | 9 | 246 | 298 | 417 |
| 942 | Knowledge | 19 | 246 | 131 | 159 |
| 944 | food contamination | 2 | 245 | 1404 | 394 |
| 945 | Information Retrieval | 26 | 242 | 64 | 255 |
| 945 | cell movement | 7 | 242 | 112 | 156 |
| 947 | Religion and Culture | 7 | 241 | 114 | 48 |
| 948 | Relationships | 7 | 239 | 72 | 89 |
| 949 | Environmental Ethics | 16 | 238 | 4 | 15 |
| 950 | Biomass Energy | 7 | 237 | 1693 | 1861 |
| 951 | Continuing Education | 7 | 236 | 236 | 88 |
| 952 | Speech-Language Pathology | 21 | 235 | 35 | 103 |
| 953 | Fishery management | 9 | 234 | 411 | 376 |
| 953 | Thorax | 8 | 234 | 256 | 326 |
| 955 | Particle Physics | 2 | 233 | 274 | 176 |
| 955 | Elementary particles | 2 | 233 | 198 | 163 |
| 957 | intergroup relations | 6 | 232 | 96 | 100 |
| 957 | Communication in marketing | 5 | 232 | 65 | 52 |
| 957 | Transport | 5 | 232 | 461 | 386 |
| 957 | sex crimes | 12 | 232 | 242 | 295 |
| 961 | Transportation Engineering | 4 | 231 | 266 | 160 |
| 961 | Political Participation | 8 | 231 | 156 | 158 |
| 961 | Fouling | 8 | 231 | 81 | 139 |
| 964 | Metabolic disorders in children | 9 | 229 | 86 | 46 |
| 965 | glycoproteins | 13 | 228 | 150 | 323 |
| 965 | Glycoconjugates | 13 | 228 | 150 | 323 |
| 965 | glycolipids | 13 | 228 | 150 | 323 |
| 968 | Asthma | 15 | 227 | 201 | 286 |
| 969 | economic development projects | 12 | 226 | 39 | 54 |
| 970 | Emotion | 7 | 225 | 92 | 152 |
| 971 | Hospitals | 9 | 224 | 207 | 185 |
| 971 | Atomic spectroscopy | 11 | 224 | 553 | 560 |
| 973 | moral development | 9 | 223 | 20 | 32 |
| 973 | Moral Education | 9 | 223 | 24 | 23 |
| 975 | Islam | 15 | 222 | 78 | 68 |
| 976 | Vaccination | 5 | 221 | 185 | 159 |
| 977 | X-rays | 13 | 220 | 209 | 228 |
| 978 | social conflict | 16 | 219 | 22 | 56 |
| 978 | biomedicine | 4 | 219 | 459 | 325 |
| 980 | Magnetic Materials | 19 | 218 | 619 | 1001 |
| 981 | Functional Analysis | 12 | 217 | 593 | 549 |
| 981 | Bilingualism | 15 | 217 | 12 | 57 |
| 981 | Educational measurement | 2 | 217 | 235 | 69 |
| 981 | disease vectors | 15 | 217 | 316 | 585 |
| 981 | Drug discovery | 3 | 217 | 276 | 142 |
| 986 | prostaglandins | 4 | 215 | 406 | 261 |
| 987 | Greenhouse gases | 4 | 212 | 272 | 256 |
| 987 | mathematical analysis | 24 | 212 | 858 | 1029 |
| 989 | Mobile Computing | 6 | 211 | 793 | 613 |
| 989 | Rural Development | 6 | 211 | 299 | 291 |
| 991 | Cytokine | 5 | 209 | 288 | 348 |
| 992 | X-ray crystallography | 12 | 207 | 255 | 254 |
| 993 | scholarly publishing | 7 | 206 | 36 | 31 |
| 994 | Social Stratification | 15 | 205 | 8 | 37 |
| 994 | monoclonal antibodies | 3 | 205 | 323 | 126 |
| 994 | Social mobility | 15 | 205 | 8 | 37 |
| 994 | Risk | 10 | 205 | 242 | 356 |
| 994 | psychopathology | 10 | 205 | 151 | 255 |
| 994 | social status | 15 | 205 | 8 | 37 |
| 994 | Occupational mobility | 15 | 205 | 8 | 37 |