| 1 | Astrophysics | 4,607 | 355.8K | 10 | 11 |
| 2 | Science | 2,916 | 318.2K | 72 | 61 |
| 3 | Physics | 2,802 | 312.3K | 123 | 76 |
| 4 | Astronomy | 4,707 | 298.8K | 7 | 10 |
| 5 | Biology | 2,290 | 272.5K | 100 | 80 |
| 6 | Medicine | 2,548 | 192.1K | 86 | 65 |
| 7 | Spectrum analysis | 1,793 | 151.4K | 31 | 24 |
| 8 | Natural history | 489 | 151.2K | 91 | 73 |
| 9 | Human genetics | 783 | 145.1K | 13 | 22 |
| 10 | Chemistry | 2,003 | 137.8K | 173 | 155 |
| 11 | Research | 2,157 | 132.5K | 61 | 27 |
| 12 | Molecular Biology | 1,829 | 128.0K | 89 | 90 |
| 13 | Biochemistry | 2,355 | 105.8K | 122 | 122 |
| 14 | Microbiology | 1,173 | 103.2K | 91 | 60 |
| 15 | Medical genetics | 1,087 | 90.9K | 15 | 15 |
| 16 | Neurology | 1,083 | 74.6K | 130 | 123 |
| 17 | Genetics | 965 | 69.0K | 36 | 48 |
| 18 | Ecology | 772 | 68.0K | 171 | 118 |
| 19 | Immunology | 1,042 | 62.7K | 25 | 45 |
| 20 | Virology | 502 | 60.9K | 67 | 70 |
| 21 | Hematology | 925 | 60.1K | 42 | 23 |
| 22 | Cytology | 667 | 58.4K | 120 | 109 |
| 23 | Cell Biology | 574 | 55.3K | 116 | 110 |
| 24 | Endocrinology | 690 | 52.3K | 61 | 53 |
| 25 | Psychiatry | 706 | 50.8K | 83 | 67 |
| 26 | Condensed Matter | 824 | 47.0K | 109 | 71 |
| 27 | Pharmacology | 1,134 | 46.8K | 56 | 42 |
| 28 | Solid State Physics | 854 | 43.3K | 114 | 75 |
| 29 | Psychology | 893 | 42.7K | 79 | 80 |
| 30 | Metabolism | 649 | 40.6K | 33 | 44 |
| 31 | Metabolic diseases | 523 | 39.5K | 33 | 37 |
| 32 | Public Health | 457 | 38.2K | 195 | 86 |
| 33 | Epidemiology | 427 | 38.2K | 80 | 44 |
| 34 | Public Policy | 256 | 36.0K | 14 | 1 |
| 35 | Environment | 299 | 35.7K | 255 | 130 |
| 36 | System analysis | 237 | 35.3K | 29 | 2 |
| 37 | Systems Analysis | 194 | 34.5K | 2 | 1 |
| 38 | Nuclear Physics | 640 | 34.4K | 332 | 243 |
| 39 | Biophysics | 812 | 34.3K | 129 | 108 |
| 40 | Psychophysiology | 513 | 33.5K | 82 | 58 |
| 41 | Statistical physics | 717 | 32.7K | 60 | 46 |
| 42 | Botany | 560 | 32.2K | 96 | 93 |
| 43 | Cancer | 542 | 31.0K | 73 | 79 |
| 44 | Immunity | 233 | 30.4K | 63 | 69 |
| 45 | Surgery | 278 | 29.2K | 55 | 56 |
| 46 | Catalysis | 478 | 29.1K | 129 | 102 |
| 47 | Mental Disorders | 357 | 28.8K | 83 | 61 |
| 48 | Environmental Policy | 228 | 28.5K | 78 | 20 |
| 49 | Social Psychology | 466 | 28.5K | 37 | 51 |
| 50 | Statistics | 368 | 27.8K | 71 | 31 |
| 51 | Cardiovascular system | 217 | 26.8K | 75 | 51 |
| 52 | Biotechnology | 352 | 26.4K | 257 | 188 |
| 53 | Behavior | 431 | 26.3K | 80 | 68 |
| 54 | nucleic acids | 290 | 26.1K | 21 | 40 |
| 55 | Pathology | 373 | 24.5K | 28 | 25 |
| 56 | Genomics | 486 | 24.4K | 20 | 18 |
| 57 | Biometrics | 200 | 23.9K | 22 | 5 |
| 58 | Child Development | 333 | 23.5K | 41 | 34 |
| 59 | human behavior | 314 | 23.1K | 59 | 61 |
| 60 | Crystallography | 77 | 23.0K | 167 | 11 |
| 61 | Chronic diseases | 118 | 22.5K | 26 | 23 |
| 62 | X-ray crystallography | 35 | 22.4K | 65 | 8 |
| 63 | Pollution | 354 | 22.0K | 233 | 225 |
| 64 | Child psychology | 245 | 21.9K | 59 | 37 |
| 65 | Microbial Ecology | 142 | 21.6K | 133 | 60 |
| 66 | drug therapy | 564 | 21.2K | 13 | 16 |
| 67 | Pharmacy | 336 | 21.0K | 32 | 7 |
| 68 | Nanotechnology | 316 | 20.6K | 329 | 263 |
| 69 | Medical Microbiology | 296 | 20.2K | 34 | 31 |
| 70 | Diabetes | 272 | 19.8K | 57 | 53 |
| 71 | Neurophysiology | 288 | 19.8K | 164 | 144 |
| 72 | Critical Care | 147 | 19.6K | 90 | 39 |
| 73 | Critical Care Medicine | 147 | 19.6K | 93 | 40 |
| 74 | Pharmaceutical Chemistry | 428 | 19.4K | 73 | 71 |
| 75 | United States | 375 | 19.1K | 249 | 154 |
| 76 | Diabetes mellitus | 249 | 19.1K | 57 | 50 |
| 77 | Hypertension | 168 | 18.8K | 103 | 64 |
| 78 | arthritis | 426 | 18.8K | 8 | 22 |
| 79 | Data Mining | 69 | 18.4K | 71 | 12 |
| 80 | Cognition | 319 | 17.9K | 33 | 39 |
| 81 | data collection | 36 | 17.5K | 80 | 11 |
| 82 | Animal Behavior | 245 | 17.0K | 86 | 49 |
| 83 | Developmental Biology | 218 | 16.9K | 100 | 93 |
| 84 | Mental illness | 186 | 16.0K | 87 | 68 |
| 85 | Bacteriology | 186 | 16.0K | 86 | 69 |
| 86 | Cognitive neuroscience | 228 | 16.0K | 20 | 31 |
| 87 | Therapeutics | 277 | 15.8K | 22 | 23 |
| 88 | Cytogenetics | 162 | 15.8K | 56 | 51 |
| 89 | Analytical Chemistry | 214 | 15.5K | 361 | 136 |
| 90 | Europe | 692 | 15.3K | 18 | 26 |
| 91 | Thrombosis | 281 | 15.3K | 7 | 7 |
| 92 | Environmental Health | 232 | 14.7K | 321 | 252 |
| 93 | Teaching | 167 | 14.4K | 44 | 8 |
| 94 | Product life cycle | 145 | 14.4K | 2 | 2 |
| 94 | green products | 145 | 14.4K | 2 | 2 |
| 96 | Oncology | 201 | 14.3K | 80 | 100 |
| 97 | biological evolution | 229 | 14.3K | 74 | 123 |
| 98 | Developmental Psychology | 231 | 14.3K | 14 | 21 |
| 99 | personality | 183 | 14.0K | 57 | 55 |
| 100 | viruses | 163 | 13.9K | 83 | 59 |
| 101 | Toxicology | 331 | 13.9K | 165 | 134 |
| 102 | Bioengineering | 158 | 13.8K | 347 | 233 |
| 103 | Brain | 214 | 13.6K | 190 | 142 |
| 104 | Ethology | 185 | 13.5K | 78 | 55 |
| 105 | Neuropsychology | 253 | 13.4K | 68 | 53 |
| 106 | Education | 286 | 13.4K | 174 | 80 |
| 107 | Nervous system | 184 | 13.3K | 130 | 100 |
| 108 | Information Science | 159 | 13.2K | 80 | 17 |
| 109 | drugs | 388 | 13.0K | 8 | 9 |
| 110 | Diagnostic microbiology | 109 | 13.0K | 51 | 24 |
| 111 | Growth | 84 | 13.0K | 123 | 65 |
| 112 | Chromosomes | 373 | 12.9K | 1 | 1 |
| 113 | Learning | 157 | 12.9K | 42 | 23 |
| 114 | plant molecular biology | 136 | 12.8K | 83 | 79 |
| 115 | Leukemia | 119 | 12.8K | 45 | 29 |
| 116 | Mathematical Physics | 365 | 12.5K | 76 | 90 |
| 117 | Physiology | 328 | 12.5K | 225 | 254 |
| 118 | Cell differentiation | 147 | 12.5K | 97 | 94 |
| 119 | Biocompatible Materials | 159 | 12.5K | 395 | 265 |
| 120 | Diagnostic Imaging | 273 | 12.4K | 28 | 24 |
| 121 | Evolution | 247 | 12.2K | 51 | 101 |
| 122 | Stem cells | 189 | 12.2K | 32 | 12 |
| 123 | Aging | 309 | 12.0K | 95 | 97 |
| 124 | genome | 96 | 12.0K | 97 | 72 |
| 125 | Geriatrics | 316 | 12.0K | 99 | 103 |
| 126 | Clinical Chemistry | 306 | 11.8K | 57 | 69 |
| 127 | Obstetrics | 342 | 11.8K | 68 | 66 |
| 128 | Pediatrics | 201 | 11.7K | 138 | 119 |
| 129 | Allergy | 87 | 11.6K | 91 | 76 |
| 130 | Host-parasite interactions | 107 | 11.6K | 57 | 49 |
| 131 | Transplantation | 288 | 11.4K | 29 | 43 |
| 132 | Electrochemistry | 170 | 11.3K | 478 | 150 |
| 133 | mutation | 345 | 11.2K | 1 | 1 |
| 134 | transport vesicles | 11 | 11.0K | 43 | 77 |
| 135 | Virulence | 109 | 10.9K | 47 | 39 |
| 136 | Psychosomatic Medicine | 105 | 10.8K | 27 | 11 |
| 137 | Environmental Engineering | 121 | 10.7K | 325 | 198 |
| 138 | Immunotherapy | 159 | 10.7K | 61 | 63 |
| 139 | Embryology | 166 | 10.7K | 86 | 88 |
| 140 | Rheumatology | 211 | 10.7K | 22 | 26 |
| 141 | Anatomy | 187 | 10.6K | 85 | 77 |
| 142 | gene therapy | 185 | 10.4K | 13 | 17 |
| 143 | Computational Biology | 170 | 10.4K | 110 | 113 |
| 144 | diseases | 23 | 10.4K | 25 | 33 |
| 144 | Disease | 23 | 10.4K | 23 | 32 |
| 146 | Radiobiology | 197 | 10.3K | 52 | 46 |
| 147 | infection | 205 | 10.3K | 21 | 16 |
| 148 | Surface Chemistry | 150 | 10.2K | 407 | 195 |
| 149 | Immune system | 73 | 10.1K | 72 | 86 |
| 150 | Plants | 119 | 10.1K | 134 | 113 |
| 151 | Biomedical Engineering | 206 | 9.9K | 357 | 257 |
| 152 | Biochemical Engineering | 89 | 9.8K | 457 | 270 |
| 153 | Proteome | 169 | 9.7K | 13 | 18 |
| 154 | Public Administration | 258 | 9.7K | 12 | 20 |
| 155 | Medical Oncology | 180 | 9.7K | 86 | 73 |
| 156 | Hemostasis | 186 | 9.6K | 3 | 2 |
| 157 | Parasitic Diseases | 178 | 9.6K | 35 | 26 |
| 158 | Quantum Gravity | 207 | 9.6K | 303 | 275 |
| 159 | Lipids | 159 | 9.4K | 12 | 16 |
| 160 | environmental pollution | 206 | 9.4K | 255 | 256 |
| 161 | Cognitive Science | 137 | 9.2K | 35 | 51 |
| 162 | Infections | 151 | 9.2K | 14 | 13 |
| 163 | Renewable Energy Sources | 37 | 9.1K | 560 | 165 |
| 164 | Organic Chemistry | 159 | 9.1K | 248 | 119 |
| 165 | human development | 166 | 9.0K | 8 | 11 |
| 166 | Genetic engineering | 117 | 8.9K | 99 | 45 |
| 167 | gene mapping | 152 | 8.7K | 65 | 76 |
| 168 | Pediatric Neurology | 81 | 8.7K | 80 | 71 |
| 169 | Genetic therapy | 156 | 8.7K | 24 | 20 |
| 170 | Bibliometrics | 47 | 8.5K | 4 | 3 |
| 171 | psychotherapy | 133 | 8.4K | 68 | 70 |
| 172 | Plant diseases | 93 | 8.4K | 193 | 56 |
| 173 | pain | 169 | 8.1K | 47 | 70 |
| 174 | Neurobiology | 114 | 8.1K | 156 | 141 |
| 175 | Bioorganic chemistry | 124 | 8.0K | 214 | 98 |
| 176 | Clinical Pharmacology | 305 | 8.0K | 8 | 13 |
| 177 | Environmental monitoring | 116 | 7.9K | 317 | 195 |
| 178 | Mathematics | 508 | 7.8K | 328 | 301 |
| 179 | Physical Chemistry | 115 | 7.7K | 187 | 114 |
| 180 | Memory | 169 | 7.7K | 110 | 92 |
| 181 | Plant cells | 65 | 7.7K | 172 | 165 |
| 182 | Solid State Chemistry | 247 | 7.6K | 63 | 42 |
| 183 | Chromosome mapping | 136 | 7.6K | 60 | 57 |
| 184 | Biomechanics | 62 | 7.6K | 151 | 50 |
| 185 | Political Science | 247 | 7.5K | 51 | 67 |
| 186 | Nuclear Medicine | 182 | 7.5K | 23 | 22 |
| 187 | Immunopathology | 189 | 7.5K | 14 | 21 |
| 188 | Bioinformatics | 122 | 7.4K | 122 | 133 |
| 189 | Nonlinear Dynamics | 225 | 7.4K | 96 | 99 |
| 190 | Psychopharmacology | 123 | 7.3K | 99 | 108 |
| 191 | Optics | 376 | 7.2K | 251 | 271 |
| 192 | nanoscience | 79 | 7.2K | 416 | 264 |
| 193 | Economics | 181 | 7.2K | 417 | 284 |
| 194 | Educational Psychology | 138 | 7.2K | 76 | 63 |
| 195 | Sleep Disorders | 138 | 7.2K | 66 | 51 |
| 196 | Child | 168 | 7.2K | 122 | 80 |
| 197 | Sleep | 137 | 7.2K | 68 | 58 |
| 198 | Environmental Management | 53 | 7.1K | 471 | 116 |
| 199 | Nutrition | 201 | 7.1K | 292 | 341 |
| 200 | Vaccines | 152 | 7.0K | 62 | 38 |
| 201 | Drug delivery systems | 84 | 7.0K | 67 | 45 |
| 202 | Psychometrics | 147 | 7.0K | 10 | 22 |
| 203 | sanitation | 89 | 6.9K | 155 | 171 |
| 204 | Chemical Engineering | 58 | 6.8K | 1159 | 532 |
| 205 | rehabilitation | 166 | 6.8K | 103 | 97 |
| 206 | Adolescent | 200 | 6.7K | 89 | 76 |
| 207 | Microorganisms | 33 | 6.6K | 134 | 41 |
| 208 | Molecular Genetics | 127 | 6.6K | 101 | 126 |
| 209 | Microbial Genetics | 49 | 6.6K | 13 | 3 |
| 209 | phytopathogenic bacteria | 49 | 6.6K | 10 | 3 |
| 211 | Molecular structure | 102 | 6.6K | 144 | 103 |
| 212 | Proteomics | 107 | 6.5K | 16 | 18 |
| 213 | Technology | 107 | 6.4K | 441 | 202 |
| 214 | Materials Science | 91 | 6.4K | 797 | 512 |
| 215 | Radiography | 42 | 6.4K | 119 | 45 |
| 216 | child abuse | 69 | 6.4K | 66 | 15 |
| 217 | Reproduction | 190 | 6.4K | 111 | 123 |
| 218 | proteins | 165 | 6.4K | 69 | 89 |
| 219 | Histology | 132 | 6.4K | 88 | 82 |
| 220 | Economic Development | 55 | 6.3K | 191 | 63 |
| 221 | Oncogenes | 87 | 6.3K | 86 | 99 |
| 222 | Sociology | 153 | 6.3K | 232 | 210 |
| 223 | Materials | 100 | 6.3K | 1189 | 818 |
| 224 | Medical innovations | 45 | 6.3K | 85 | 63 |
| 225 | Perception | 179 | 6.2K | 111 | 109 |
| 226 | Cell metabolism | 22 | 6.1K | 109 | 61 |
| 227 | Homeostasis | 18 | 6.1K | 92 | 60 |
| 228 | Molecular Imaging | 138 | 6.1K | 11 | 22 |
| 229 | Genetic regulation | 57 | 6.0K | 93 | 75 |
| 230 | Health Education | 179 | 6.0K | 82 | 72 |
| 231 | Histocompatibility Testing | 158 | 6.0K | 1 | 1 |
| 232 | drug development | 47 | 5.9K | 82 | 65 |
| 233 | vascular diseases | 103 | 5.9K | 25 | 28 |
| 234 | Social Sciences | 218 | 5.9K | 137 | 149 |
| 235 | Polymers | 208 | 5.9K | 469 | 479 |
| 236 | Electrochemical Analysis | 30 | 5.8K | 379 | 28 |
| 237 | Colloids | 172 | 5.7K | 370 | 422 |
| 238 | Quality of life | 102 | 5.7K | 40 | 45 |
| 239 | Entomology | 134 | 5.6K | 147 | 74 |
| 240 | Clinical Psychology | 87 | 5.5K | 133 | 115 |
| 240 | environmental protection | 75 | 5.5K | 424 | 211 |
| 242 | Bioinorganic chemistry | 206 | 5.5K | 11 | 20 |
| 243 | Attention | 156 | 5.5K | 100 | 86 |
| 244 | Biodiversity conservation | 50 | 5.4K | 269 | 242 |
| 245 | Immunogenetics | 120 | 5.4K | 8 | 5 |
| 246 | counseling | 142 | 5.4K | 61 | 46 |
| 247 | Evolutionary Computation | 41 | 5.4K | 31 | 32 |
| 248 | Industrial Ecology | 99 | 5.3K | 1 | 2 |
| 249 | behavioral medicine | 69 | 5.3K | 118 | 93 |
| 250 | Sustainable Development | 59 | 5.3K | 131 | 78 |
| 251 | Patient education | 139 | 5.2K | 9 | 16 |
| 252 | Molecular Microbiology | 73 | 5.2K | 60 | 85 |
| 253 | Ophthalmology | 153 | 5.2K | 115 | 135 |
| 254 | Genetic algorithms | 35 | 5.1K | 24 | 25 |
| 255 | Health Policy | 114 | 5.1K | 173 | 109 |
| 256 | Immunochemistry | 101 | 5.0K | 10 | 4 |
| 257 | Liver diseases | 71 | 5.0K | 181 | 204 |
| 258 | Pharmaceutical Technology | 124 | 5.0K | 25 | 25 |
| 259 | Pharmacognosy | 99 | 5.0K | 100 | 67 |
| 260 | Alzheimer's disease | 117 | 5.0K | 118 | 78 |
| 261 | medical education | 254 | 5.0K | 55 | 99 |
| 262 | energy development | 6 | 4.9K | 497 | 49 |
| 263 | Parasitology | 138 | 4.9K | 100 | 87 |
| 264 | Neurosurgery | 98 | 4.9K | 23 | 28 |
| 265 | Membranes | 87 | 4.9K | 197 | 167 |
| 266 | Medical Laboratory Science | 131 | 4.9K | 92 | 160 |
| 267 | Visual Perception | 141 | 4.7K | 108 | 108 |
| 268 | United Kingdom | 101 | 4.7K | 107 | 125 |
| 269 | Neural circuitry | 31 | 4.7K | 454 | 89 |
| 270 | Dementia | 107 | 4.6K | 120 | 70 |
| 271 | Linguistics | 301 | 4.6K | 4 | 67 |
| 272 | Health | 111 | 4.6K | 152 | 122 |
| 273 | Image Processing | 70 | 4.6K | 294 | 198 |
| 274 | biological factors | 85 | 4.5K | 91 | 58 |
| 275 | nuclear magnetic resonance | 173 | 4.5K | 27 | 38 |
| 276 | Geophysics | 75 | 4.5K | 681 | 499 |
| 277 | Photochemistry | 143 | 4.5K | 18 | 25 |
| 278 | Retina | 24 | 4.4K | 9 | 11 |
| 278 | Environmental Chemistry | 79 | 4.4K | 144 | 223 |
| 278 | eye | 24 | 4.4K | 12 | 12 |
| 281 | Cardiovascular diseases | 121 | 4.4K | 86 | 69 |
| 282 | Social behavior | 79 | 4.4K | 87 | 82 |
| 283 | miniaturization | 64 | 4.4K | 237 | 234 |
| 284 | adolescence | 72 | 4.3K | 79 | 48 |
| 285 | Pharmacokinetics | 126 | 4.3K | 7 | 11 |
| 286 | Developing countries | 98 | 4.3K | 157 | 124 |
| 287 | Antigens | 137 | 4.3K | 8 | 16 |
| 288 | Nanostructured Materials | 129 | 4.3K | 345 | 399 |
| 289 | Magnetic Resonance Spectroscopy | 164 | 4.3K | 27 | 41 |
| 289 | Respiration | 114 | 4.3K | 97 | 119 |
| 291 | cloning | 37 | 4.3K | 48 | 23 |
| 292 | sustainability | 31 | 4.2K | 88 | 35 |
| 293 | Archaeology | 239 | 4.2K | 23 | 60 |
| 294 | Environmental Microbiology | 49 | 4.2K | 140 | 111 |
| 295 | Recycling | 71 | 4.2K | 11 | 17 |
| 296 | Bones | 71 | 4.2K | 34 | 42 |
| 297 | Autoimmunity | 49 | 4.1K | 56 | 31 |
| 298 | Artificial Intelligence | 165 | 4.1K | 233 | 382 |
| 299 | Economic History | 122 | 4.1K | 257 | 182 |
| 300 | Microscopy | 89 | 4.1K | 45 | 33 |
| 301 | Anthropology | 146 | 4.1K | 107 | 65 |
| 302 | Gerontology | 112 | 4.1K | 174 | 106 |
| 303 | management | 84 | 4.1K | 483 | 525 |
| 304 | Decision making | 83 | 4.1K | 65 | 83 |
| 305 | Climate change | 23 | 4.0K | 288 | 264 |
| 306 | Eutrophication | 22 | 4.0K | 292 | 261 |
| 307 | Meteorology | 65 | 3.9K | 369 | 304 |
| 308 | cell physiology | 47 | 3.9K | 240 | 176 |
| 309 | histological techniques | 77 | 3.9K | 11 | 14 |
| 310 | Criminology | 196 | 3.9K | 23 | 47 |
| 311 | rare diseases | 56 | 3.8K | 20 | 5 |
| 312 | Developmental Disabilities | 103 | 3.8K | 58 | 87 |
| 313 | Orthopedics | 108 | 3.8K | 106 | 90 |
| 314 | Engineering | 86 | 3.8K | 527 | 265 |
| 315 | Neurochemistry | 86 | 3.8K | 335 | 309 |
| 316 | Medicinal plants | 82 | 3.8K | 61 | 50 |
| 317 | Muscles | 73 | 3.7K | 44 | 44 |
| 318 | Plant physiology | 101 | 3.7K | 214 | 302 |
| 319 | Obesity | 114 | 3.7K | 163 | 221 |
| 320 | Computer Vision | 44 | 3.7K | 143 | 124 |
| 321 | Electrophoresis | 73 | 3.7K | 110 | 44 |
| 322 | Dermatology | 83 | 3.6K | 198 | 148 |
| 323 | soil microbiology | 71 | 3.6K | 140 | 197 |
| 324 | Organometallic chemistry | 143 | 3.6K | 36 | 26 |
| 325 | Biodiversity | 59 | 3.6K | 294 | 237 |
| 326 | Nanostructures | 30 | 3.6K | 439 | 189 |
| 327 | Diet | 89 | 3.5K | 211 | 277 |
| 328 | Biogeography | 47 | 3.5K | 116 | 95 |
| 328 | Post-traumatic stress disorder | 106 | 3.5K | 25 | 42 |
| 330 | Light | 112 | 3.5K | 17 | 149 |
| 331 | behavior modification | 26 | 3.5K | 93 | 33 |
| 332 | brain mapping | 51 | 3.5K | 55 | 51 |
| 333 | Marine Biology | 71 | 3.4K | 438 | 309 |
| 334 | Population Genetics | 60 | 3.4K | 142 | 153 |
| 335 | natural products | 29 | 3.4K | 406 | 84 |
| 336 | Medical Physics | 98 | 3.4K | 194 | 194 |
| 337 | Molecular cloning | 60 | 3.4K | 98 | 51 |
| 338 | polymerization | 119 | 3.4K | 569 | 568 |
| 339 | Recombinant DNA | 60 | 3.4K | 114 | 62 |
| 340 | curriculum evaluation | 39 | 3.3K | 16 | 1 |
| 340 | Tropical Medicine | 109 | 3.3K | 66 | 53 |
| 342 | Genetic recombination | 59 | 3.3K | 94 | 51 |
| 343 | Electrophysiology | 113 | 3.3K | 34 | 25 |
| 344 | Molecules | 119 | 3.3K | 89 | 110 |
| 345 | children | 33 | 3.3K | 39 | 11 |
| 346 | Autoimmune diseases | 38 | 3.3K | 50 | 22 |
| 347 | Bioenergetics | 88 | 3.3K | 37 | 54 |
| 348 | Molecular evolution | 73 | 3.3K | 116 | 170 |
| 349 | child behavior | 28 | 3.2K | 49 | 9 |
| 350 | Autoantibodies | 37 | 3.2K | 39 | 19 |
| 351 | mutagens | 95 | 3.2K | 16 | 46 |
| 352 | Mass Spectrometry | 83 | 3.2K | 59 | 58 |
| 353 | Water pollution | 37 | 3.2K | 691 | 399 |
| 354 | Environmental Law | 22 | 3.2K | 264 | 121 |
| 355 | Informatics | 87 | 3.1K | 5 | 30 |
| 356 | cell membrane | 86 | 3.1K | 31 | 49 |
| 357 | Plant Ecology | 74 | 3.1K | 197 | 246 |
| 358 | Energy metabolism | 85 | 3.1K | 34 | 53 |
| 359 | Psycholinguistics | 84 | 3.1K | 77 | 111 |
| 360 | Geriatric Oncology | 78 | 3.1K | 12 | 12 |
| 361 | Environmental pollutants | 72 | 3.0K | 176 | 170 |
| 362 | Adolescent Psychology | 59 | 3.0K | 69 | 55 |
| 363 | Kidney diseases | 84 | 3.0K | 52 | 63 |
| 364 | Neuromuscular diseases | 58 | 3.0K | 40 | 33 |
| 365 | Medical Anthropology | 69 | 3.0K | 131 | 168 |
| 366 | Information Theory | 87 | 3.0K | 111 | 117 |
| 367 | Radiology | 108 | 3.0K | 74 | 46 |
| 368 | pollutants | 69 | 3.0K | 142 | 142 |
| 369 | blood transfusion | 108 | 3.0K | 27 | 24 |
| 370 | risk factors | 51 | 3.0K | 48 | 28 |
| 371 | Histochemistry | 87 | 3.0K | 23 | 26 |
| 372 | Animal ecology | 59 | 2.9K | 148 | 128 |
| 373 | Schizophrenia | 24 | 2.9K | 267 | 126 |
| 374 | Chromatographic analysis | 70 | 2.9K | 156 | 51 |
| 375 | enzymes | 66 | 2.9K | 117 | 105 |
| 376 | Parasites | 80 | 2.9K | 89 | 84 |
| 377 | Molecular ecology | 49 | 2.9K | 148 | 181 |
| 378 | Drug design | 51 | 2.8K | 120 | 74 |
| 379 | Experimental Psychology | 67 | 2.8K | 27 | 60 |
| 380 | Machine Learning | 20 | 2.8K | 48 | 39 |
| 381 | Microelectronics | 42 | 2.8K | 373 | 290 |
| 382 | disease outbreaks | 49 | 2.8K | 29 | 26 |
| 382 | Epidemics | 49 | 2.8K | 27 | 26 |
| 384 | Industrial Microbiology | 48 | 2.8K | 242 | 192 |
| 384 | Social problems | 38 | 2.8K | 58 | 48 |
| 386 | Politics | 35 | 2.7K | 78 | 26 |
| 386 | government | 35 | 2.7K | 101 | 37 |
| 388 | Magnetic Resonance Imaging | 84 | 2.7K | 16 | 24 |
| 388 | Antibodies | 72 | 2.7K | 9 | 19 |
| 390 | Anxiety | 53 | 2.7K | 37 | 65 |
| 391 | Fungi | 41 | 2.7K | 159 | 113 |
| 392 | Health Services Research | 95 | 2.7K | 128 | 157 |
| 393 | Energy Policy | 52 | 2.7K | 432 | 422 |
| 394 | Cerebral cortex | 40 | 2.7K | 154 | 135 |
| 395 | Anxiety Disorders | 52 | 2.7K | 39 | 67 |
| 396 | Zoology | 77 | 2.7K | 332 | 256 |
| 396 | Energy Conversion | 12 | 2.7K | 562 | 281 |
| 398 | Forensic Genetics | 32 | 2.7K | 28 | 15 |
| 399 | Bone diseases | 48 | 2.7K | 9 | 46 |
| 400 | Geriatric Psychiatry | 69 | 2.6K | 47 | 45 |
| 400 | Pregnancy | 89 | 2.6K | 20 | 27 |
| 402 | Biopharmaceutics | 58 | 2.6K | 59 | 68 |
| 403 | pain management | 58 | 2.6K | 28 | 22 |
| 404 | Multimedia Systems | 35 | 2.6K | 327 | 81 |
| 405 | Hormones | 56 | 2.6K | 156 | 137 |
| 406 | Bacterial infections | 34 | 2.6K | 85 | 110 |
| 407 | Chromatography | 56 | 2.5K | 146 | 57 |
| 408 | biocatalysis | 8 | 2.5K | 55 | 43 |
| 408 | Homogeneous catalysis | 8 | 2.5K | 55 | 43 |
| 408 | Heterogeneous catalysis | 8 | 2.5K | 55 | 43 |
| 411 | Geography | 69 | 2.5K | 287 | 275 |
| 412 | violence | 80 | 2.5K | 50 | 80 |
| 413 | Clinical Immunology | 79 | 2.5K | 69 | 89 |
| 414 | Medical Imaging | 76 | 2.5K | 14 | 24 |
| 415 | mycoses | 27 | 2.5K | 103 | 109 |
| 416 | Randomized Controlled Trials | 115 | 2.4K | 41 | 41 |
| 417 | Genetic Toxicology | 32 | 2.4K | 20 | 14 |
| 418 | Ethics | 66 | 2.4K | 46 | 20 |
| 418 | Autism | 54 | 2.4K | 69 | 80 |
| 420 | Electronics | 59 | 2.4K | 709 | 486 |
| 421 | ecosystem | 34 | 2.4K | 259 | 188 |
| 422 | Gene expression regulation | 29 | 2.4K | 148 | 126 |
| 423 | Yeast | 39 | 2.3K | 21 | 14 |
| 424 | scientific societies | 62 | 2.3K | 30 | 32 |
| 425 | preventive medicine | 36 | 2.3K | 217 | 159 |
| 426 | Familial diseases | 79 | 2.3K | 1 | 1 |
| 427 | Audiology | 85 | 2.3K | 55 | 81 |
| 427 | Neurons | 11 | 2.3K | 263 | 266 |
| 429 | Pituitary gland | 46 | 2.2K | 3 | 3 |
| 430 | Sexual health | 57 | 2.2K | 64 | 50 |
| 431 | Signal Transduction | 45 | 2.2K | 186 | 239 |
| 432 | Morphology | 55 | 2.2K | 63 | 40 |
| 433 | civil service | 79 | 2.2K | 6 | 19 |
| 434 | individual differences | 33 | 2.2K | 12 | 6 |
| 435 | International Relations | 119 | 2.2K | 43 | 78 |
| 435 | Mental Health | 97 | 2.2K | 108 | 140 |
| 437 | European Union | 49 | 2.2K | 2 | 3 |
| 438 | Environmental Psychology | 25 | 2.2K | 25 | 37 |
| 439 | Human evolution | 38 | 2.2K | 58 | 52 |
| 440 | Nephrology | 50 | 2.2K | 59 | 68 |
| 441 | Jurisprudence | 47 | 2.2K | 116 | 29 |
| 442 | Carcinogenesis | 63 | 2.2K | 53 | 94 |
| 443 | Neuroimmunology | 28 | 2.1K | 111 | 87 |
| 444 | Development | 35 | 2.1K | 104 | 89 |
| 445 | Neonatology | 69 | 2.1K | 8 | 15 |
| 446 | behavior therapy | 67 | 2.1K | 86 | 118 |
| 447 | energy resources | 31 | 2.1K | 262 | 264 |
| 448 | Europa | 58 | 2.1K | 15 | 16 |
| 449 | Food | 54 | 2.1K | 541 | 524 |
| 450 | Research Design | 58 | 2.1K | 118 | 167 |
| 451 | Eating Disorders | 59 | 2.1K | 81 | 88 |
| 452 | Systems Biology | 66 | 2.1K | 115 | 127 |
| 453 | Chemical Ecology | 40 | 2.1K | 54 | 37 |
| 454 | Analytical Biochemistry | 53 | 2.1K | 164 | 157 |
| 455 | Emotions | 60 | 2.0K | 38 | 92 |
| 456 | Psychoneuroimmunology | 26 | 2.0K | 97 | 82 |
| 456 | Cell death | 43 | 2.0K | 175 | 257 |
| 456 | crime | 107 | 2.0K | 15 | 54 |
| 459 | Economic Assistance | 33 | 2.0K | 84 | 80 |
| 460 | Environmental Toxicology | 48 | 2.0K | 349 | 370 |
| 460 | Personality Assessment | 39 | 2.0K | 60 | 68 |
| 462 | Primary health care | 89 | 2.0K | 137 | 173 |
| 463 | Soft Condensed Matter | 69 | 2.0K | 117 | 138 |
| 464 | Chemotherapy | 52 | 2.0K | 183 | 137 |
| 465 | Mycology | 41 | 2.0K | 291 | 224 |
| 465 | fertility | 51 | 2.0K | 140 | 172 |
| 467 | Infertility | 49 | 2.0K | 126 | 161 |
| 468 | Metacognition | 7 | 2.0K | 14 | 2 |
| 469 | carcinogens | 58 | 2.0K | 59 | 105 |
| 470 | educational planning | 21 | 2.0K | 47 | 18 |
| 471 | Taste | 39 | 2.0K | 14 | 6 |
| 471 | flavor | 39 | 2.0K | 9 | 4 |
| 471 | smell | 39 | 2.0K | 14 | 6 |
| 474 | biopolymers | 64 | 2.0K | 133 | 156 |
| 475 | Inflammation | 24 | 1.9K | 229 | 114 |
| 476 | Evidence-Based Medicine | 28 | 1.9K | 85 | 20 |
| 477 | Criminal psychology | 75 | 1.9K | 56 | 88 |
| 478 | nuclear magnetic resonance spectroscopy | 50 | 1.9K | 49 | 34 |
| 479 | Information Technology | 46 | 1.9K | 317 | 336 |
| 480 | cytokines | 28 | 1.9K | 206 | 98 |
| 481 | glycoproteins | 33 | 1.9K | 39 | 34 |
| 481 | Glycoconjugates | 33 | 1.9K | 39 | 34 |
| 481 | glycolipids | 33 | 1.9K | 39 | 34 |
| 484 | DNA repair | 49 | 1.9K | 5 | 13 |
| 485 | Photography | 177 | 1.9K | 130 | 45 |
| 486 | Developmental Genetics | 28 | 1.9K | 97 | 137 |
| 487 | Medical Technology | 64 | 1.9K | 92 | 132 |
| 488 | Photobiology | 38 | 1.9K | 132 | 68 |
| 489 | Crisis management | 38 | 1.8K | 1 | 1 |
| 490 | Africa | 93 | 1.8K | 68 | 54 |
| 491 | Information Systems | 47 | 1.8K | 116 | 96 |
| 492 | Information Retrieval | 55 | 1.8K | 10 | 41 |
| 493 | Marine Pollution | 16 | 1.8K | 423 | 158 |
| 493 | alcoholism | 33 | 1.8K | 333 | 253 |
| 495 | Social Change | 27 | 1.8K | 131 | 136 |
| 496 | Respiratory system | 38 | 1.8K | 51 | 32 |
| 497 | Phylogeny | 36 | 1.8K | 109 | 115 |
| 498 | mathematical analysis | 96 | 1.8K | 289 | 243 |
| 499 | drug addiction | 28 | 1.7K | 281 | 194 |
| 500 | Business Ethics | 14 | 1.7K | 365 | 201 |
| 501 | Serology | 54 | 1.7K | 11 | 13 |
| 502 | Socialization | 33 | 1.7K | 54 | 54 |
| 503 | Combinatorial chemistry | 28 | 1.7K | 122 | 113 |
| 503 | Feeding and Eating Disorders | 49 | 1.7K | 92 | 102 |
| 505 | Cytokine | 22 | 1.7K | 33 | 29 |
| 506 | Agricultural Chemistry | 20 | 1.7K | 734 | 385 |
| 506 | Prognosis | 17 | 1.7K | 2 | 1 |
| 508 | Growth factors | 17 | 1.7K | 17 | 27 |
| 509 | Organizational Behavior | 39 | 1.7K | 57 | 121 |
| 510 | Soil biology | 31 | 1.7K | 208 | 231 |
| 511 | Input-output analysis | 18 | 1.6K | 22 | 5 |
| 512 | Liposomes | 30 | 1.6K | 50 | 67 |
| 513 | Child welfare | 79 | 1.6K | 69 | 88 |
| 514 | Community Psychiatry | 27 | 1.6K | 204 | 130 |
| 515 | Wildlife conservation | 38 | 1.6K | 189 | 231 |
| 516 | Plant Taxonomy | 67 | 1.6K | 12 | 22 |
| 517 | Differential Equations | 41 | 1.6K | 144 | 78 |
| 518 | visualization | 80 | 1.6K | 135 | 105 |
| 519 | sexual behavior | 33 | 1.6K | 87 | 69 |
| 520 | intergroup relations | 41 | 1.6K | 4 | 8 |
| 521 | Paleontology | 73 | 1.6K | 148 | 178 |
| 521 | Cardiac electrophysiology | 36 | 1.6K | 20 | 17 |
| 521 | arrhythmia | 36 | 1.6K | 20 | 17 |
| 524 | Algae | 44 | 1.6K | 91 | 97 |
| 525 | Lipid bilayers | 27 | 1.6K | 51 | 70 |
| 526 | environmental exposure | 38 | 1.6K | 294 | 255 |
| 526 | China | 111 | 1.6K | 229 | 328 |
| 528 | Sites | 38 | 1.5K | 66 | 89 |
| 529 | local government | 34 | 1.5K | 17 | 14 |
| 530 | Risk | 21 | 1.5K | 100 | 63 |
| 531 | Learning disabilities | 52 | 1.5K | 97 | 88 |
| 532 | Parenteral nutrition | 39 | 1.5K | 143 | 204 |
| 533 | Psychiatric Epidemiology | 21 | 1.5K | 90 | 48 |
| 533 | Intellectual disability | 72 | 1.5K | 60 | 107 |
| 535 | Urology | 41 | 1.5K | 341 | 299 |
| 536 | Public opinion | 45 | 1.5K | 15 | 30 |
| 537 | Pharmacogenetics | 56 | 1.5K | 63 | 126 |
| 538 | Plant genetic engineering | 54 | 1.5K | 68 | 151 |
| 539 | Molecular Spectroscopy | 59 | 1.5K | 183 | 166 |
| 540 | Comparative Psychology | 8 | 1.5K | 47 | 9 |
| 541 | Humanities | 46 | 1.5K | 116 | 47 |
| 542 | Quantum theory | 51 | 1.5K | 113 | 86 |
| 543 | pheromones | 30 | 1.5K | 64 | 54 |
| 544 | Water | 26 | 1.5K | 761 | 727 |
| 545 | Econometrics | 15 | 1.5K | 559 | 247 |
| 546 | Social work | 48 | 1.4K | 254 | 162 |
| 547 | Neuropsychiatry | 28 | 1.4K | 146 | 104 |
| 547 | Agriculture | 34 | 1.4K | 441 | 358 |
| 549 | disabilities | 57 | 1.4K | 49 | 62 |
| 550 | economic policy | 74 | 1.4K | 251 | 275 |
| 551 | Functional Analysis | 32 | 1.4K | 309 | 117 |
| 552 | Mutagenesis | 46 | 1.4K | 3 | 7 |
| 553 | Photonics | 25 | 1.4K | 638 | 501 |
| 554 | Comparative Physiology | 21 | 1.4K | 219 | 123 |
| 555 | Clinical Biochemistry | 49 | 1.4K | 107 | 158 |
| 555 | energy conservation | 21 | 1.4K | 616 | 542 |
| 557 | calcification | 37 | 1.4K | 42 | 67 |
| 558 | world | 15 | 1.4K | 225 | 147 |
| 559 | Reading | 31 | 1.4K | 97 | 70 |
| 560 | Ethnology | 96 | 1.4K | 78 | 98 |
| 561 | Energy Storage | 8 | 1.4K | 718 | 228 |
| 562 | Animal welfare | 7 | 1.4K | 105 | 5 |
| 563 | European integration | 51 | 1.4K | 4 | 11 |
| 563 | European Economic Community | 51 | 1.4K | 4 | 11 |
| 565 | Philosophy | 148 | 1.4K | 121 | 154 |
| 566 | Computer Graphics | 42 | 1.4K | 329 | 294 |
| 567 | international cooperation | 28 | 1.4K | 86 | 79 |
| 568 | Geology | 43 | 1.4K | 826 | 750 |
| 569 | Classification | 51 | 1.3K | 2 | 39 |
| 570 | Palliative Care | 64 | 1.3K | 57 | 77 |
| 571 | Enteral nutrition | 31 | 1.3K | 112 | 162 |
| 571 | Documentation | 11 | 1.3K | 81 | 27 |
| 573 | Lipid metabolism | 29 | 1.3K | 18 | 44 |
| 573 | Genetic disorders | 36 | 1.3K | 58 | 51 |
| 573 | Lipid | 29 | 1.3K | 20 | 46 |
| 576 | Long-Term Care | 41 | 1.3K | 51 | 86 |
| 576 | Long-term care facilities | 41 | 1.3K | 47 | 86 |
| 578 | Law | 98 | 1.3K | 72 | 70 |
| 579 | Energy Harvesting | 5 | 1.3K | 313 | 140 |
| 580 | Numerical Analysis | 70 | 1.3K | 274 | 311 |
| 581 | Operations Research | 70 | 1.3K | 322 | 515 |
| 582 | peace | 26 | 1.3K | 90 | 78 |
| 583 | food technology | 28 | 1.3K | 736 | 576 |
| 584 | Depression | 24 | 1.3K | 45 | 79 |
| 585 | Oligosaccharides | 18 | 1.3K | 27 | 7 |
| 586 | Insects | 18 | 1.3K | 483 | 202 |
| 587 | Hemophilia | 50 | 1.3K | 30 | 42 |
| 588 | viral genetics | 7 | 1.3K | 149 | 139 |
| 589 | Metallurgy | 32 | 1.2K | 600 | 494 |
| 590 | drug evaluation | 23 | 1.2K | 282 | 121 |
| 591 | Youth | 23 | 1.2K | 156 | 125 |
| 592 | Physical Therapy | 31 | 1.2K | 263 | 252 |
| 593 | Adolescent Medicine | 10 | 1.2K | 216 | 178 |
| 594 | Seaweed | 27 | 1.2K | 105 | 90 |
| 595 | Cosmology | 18 | 1.2K | 180 | 99 |
| 596 | nuclear astrophysics | 17 | 1.2K | 134 | 79 |
| 597 | Family | 28 | 1.2K | 222 | 167 |
| 598 | epilepsy | 26 | 1.2K | 179 | 116 |
| 599 | Political Parties | 27 | 1.2K | 11 | 10 |
| 600 | Plant Genetics | 19 | 1.2K | 184 | 190 |
| 601 | Physical organic chemistry | 41 | 1.2K | 193 | 181 |
| 602 | Political Psychology | 19 | 1.1K | 74 | 68 |
| 603 | Chronobiology | 47 | 1.1K | 16 | 34 |
| 603 | biological clocks | 47 | 1.1K | 16 | 34 |
| 603 | circadian rhythm | 47 | 1.1K | 16 | 34 |
| 606 | administrative agencies | 41 | 1.1K | 14 | 20 |
| 607 | Social policy | 38 | 1.1K | 133 | 99 |
| 608 | older people | 66 | 1.1K | 223 | 206 |
| 609 | Mechanics | 19 | 1.1K | 403 | 153 |
| 610 | Paleopathology | 63 | 1.1K | 5 | 9 |
| 611 | Green Chemistry | 30 | 1.1K | 458 | 591 |
| 611 | global environmental change | 27 | 1.1K | 124 | 207 |
| 613 | Cognitive Therapy | 23 | 1.1K | 126 | 76 |
| 614 | Regional Planning | 34 | 1.1K | 349 | 320 |
| 615 | Human-Computer Interaction | 31 | 1.1K | 239 | 234 |
| 616 | Medical Ethics | 46 | 1.1K | 153 | 105 |
| 617 | Political Participation | 35 | 1.1K | 22 | 38 |
| 618 | analysis | 17 | 1.1K | 104 | 70 |
| 619 | Educational Technology | 33 | 1.1K | 263 | 239 |
| 620 | Genetic translocation | 18 | 1.1K | 14 | 12 |
| 620 | plasmids | 18 | 1.1K | 14 | 12 |
| 622 | Superconductors | 30 | 1.1K | 229 | 112 |
| 622 | Neuropharmacology | 16 | 1.1K | 155 | 69 |
| 624 | Nonlinear functional analysis | 19 | 1.1K | 356 | 95 |
| 625 | Fluorescence spectroscopy | 31 | 1.1K | 12 | 10 |
| 626 | biological rhythms | 28 | 1.0K | 42 | 34 |
| 627 | Uncertainty | 10 | 1.0K | 43 | 21 |
| 628 | Steroids | 27 | 1.0K | 205 | 160 |
| 629 | Speech Disorders | 33 | 1.0K | 243 | 231 |
| 630 | Hematopoietic stem cell transplantation | 23 | 1.0K | 37 | 44 |
| 631 | Birds | 41 | 1.0K | 230 | 173 |
| 632 | Population | 30 | 1.0K | 131 | 155 |
| 633 | monoclonal antibodies | 21 | 1.0K | 14 | 7 |
| 634 | Circadian rhythms | 22 | 1.0K | 37 | 34 |
| 634 | protein | 28 | 1.0K | 271 | 262 |
| 636 | Spine | 20 | 1.0K | 186 | 168 |
| 637 | Asthma | 23 | 996 | 93 | 55 |
| 638 | Multivariate Analysis | 50 | 989 | 22 | 70 |
| 639 | free radicals | 20 | 984 | 413 | 471 |
| 640 | Early Childhood Education | 9 | 982 | 301 | 49 |
| 641 | Conservation Biology | 21 | 969 | 297 | 292 |
| 642 | Malaria | 32 | 955 | 95 | 104 |
| 643 | Food Microbiology | 18 | 953 | 370 | 346 |
| 644 | terrorism | 34 | 952 | 13 | 9 |
| 645 | Enzyme | 11 | 951 | 172 | 68 |
| 646 | Otolaryngology | 17 | 948 | 155 | 97 |
| 647 | Professional ethics | 13 | 933 | 32 | 7 |
| 648 | Agricultural Ecology | 13 | 925 | 377 | 314 |
| 649 | Number Theory | 78 | 924 | 25 | 14 |
| 650 | health planning | 48 | 921 | 307 | 363 |
| 651 | warfare | 9 | 918 | 124 | 66 |
| 651 | Aggression | 29 | 918 | 48 | 92 |
| 653 | RNA | 23 | 916 | 84 | 116 |
| 654 | Cybernetics | 35 | 912 | 337 | 451 |
| 654 | Australia | 43 | 912 | 248 | 253 |
| 656 | cell interaction | 24 | 910 | 218 | 252 |
| 657 | Sustainable Engineering | 26 | 909 | 403 | 485 |
| 657 | Communication | 44 | 909 | 411 | 579 |
| 659 | Engineering Ethics | 12 | 905 | 28 | 5 |
| 660 | Neuroendocrinology | 8 | 899 | 31 | 36 |
| 660 | Surface properties | 13 | 899 | 408 | 234 |
| 662 | Forensic Psychiatry | 46 | 898 | 48 | 65 |
| 663 | city planning | 30 | 881 | 369 | 360 |
| 664 | Signal Processing | 33 | 879 | 753 | 824 |
| 664 | Catalysts | 25 | 879 | 90 | 86 |
| 666 | Hemodynamics | 18 | 875 | 208 | 228 |
| 667 | Superconductivity | 15 | 872 | 134 | 54 |
| 668 | heredity | 56 | 867 | 32 | 77 |
| 668 | Suicide | 42 | 867 | 39 | 80 |
| 670 | DNA polymerases | 11 | 866 | 150 | 206 |
| 671 | Substance Abuse | 22 | 865 | 434 | 336 |
| 672 | Kinetics | 37 | 849 | 15 | 28 |
| 672 | Land use | 18 | 849 | 302 | 223 |
| 672 | animals | 37 | 849 | 180 | 168 |
| 675 | Breeding | 12 | 848 | 520 | 282 |
| 676 | Higher Education | 22 | 845 | 113 | 62 |
| 677 | Radioisotopes | 23 | 840 | 246 | 99 |
| 678 | evaluation | 33 | 835 | 3 | 1 |
| 679 | Telecommunication | 35 | 828 | 689 | 772 |
| 680 | Reproductive health | 26 | 827 | 128 | 131 |
| 681 | Ceramics | 3 | 824 | 1436 | 303 |
| 681 | Glass | 2 | 824 | 1189 | 267 |
| 681 | probabilities | 92 | 824 | 111 | 212 |
| 681 | pottery | 2 | 824 | 1148 | 261 |
| 685 | Plant tissue culture | 40 | 822 | 49 | 98 |
| 686 | Emergency Medicine | 36 | 820 | 261 | 234 |
| 687 | organization | 11 | 818 | 357 | 341 |
| 688 | Carbohydrates | 29 | 809 | 36 | 83 |
| 689 | eugenics | 21 | 805 | 88 | 71 |
| 690 | Phonetics | 16 | 803 | 90 | 62 |
| 691 | environmental indicators | 19 | 798 | 278 | 293 |
| 692 | Radiation | 30 | 796 | 538 | 441 |
| 693 | Paleoecology | 34 | 793 | 224 | 328 |
| 693 | Genes | 16 | 793 | 349 | 204 |
| 695 | feeding behavior | 19 | 790 | 197 | 194 |
| 696 | Extracellular matrix | 7 | 786 | 117 | 73 |
| 696 | collagen | 7 | 786 | 123 | 78 |
| 698 | Speech | 29 | 781 | 197 | 266 |
| 699 | Optical materials | 18 | 778 | 1091 | 1015 |
| 700 | War and Society | 7 | 777 | 115 | 66 |
| 701 | Behavioral Genetics | 17 | 774 | 55 | 55 |
| 702 | Nanoparticles | 21 | 768 | 601 | 616 |
| 703 | Neurotransmitters | 19 | 767 | 121 | 86 |
| 704 | Cheminformatics | 17 | 766 | 19 | 96 |
| 705 | psychophysics | 17 | 762 | 71 | 31 |
| 706 | Eastern Europe | 38 | 752 | 60 | 29 |
| 707 | Electrocardiography | 41 | 750 | 23 | 20 |
| 708 | locomotion | 10 | 745 | 284 | 134 |
| 708 | posture | 10 | 745 | 284 | 134 |
| 708 | gait | 10 | 745 | 284 | 134 |
| 708 | walking | 10 | 745 | 284 | 134 |
| 712 | Personality Disorders | 24 | 744 | 41 | 54 |
| 713 | Transgenic plants | 19 | 741 | 68 | 75 |
| 714 | Psychoanalysis | 2 | 735 | 409 | 23 |
| 715 | plant communities | 24 | 733 | 295 | 445 |
| 716 | Developmental Immunology | 15 | 728 | 145 | 119 |
| 716 | magnetic resonance | 20 | 728 | 78 | 32 |
| 718 | Molecular Pharmacology | 23 | 725 | 163 | 245 |
| 719 | Orthopedic Surgery | 29 | 724 | 119 | 147 |
| 720 | tomography | 14 | 718 | 95 | 37 |
| 721 | transgenic organisms | 18 | 715 | 14 | 23 |
| 721 | transgenic animals | 18 | 715 | 9 | 20 |
| 721 | industrial waste | 14 | 715 | 248 | 308 |
| 724 | radioactive waste | 13 | 713 | 246 | 305 |
| 724 | Hazardous waste | 13 | 713 | 317 | 328 |
| 726 | Plant cell culture | 17 | 712 | 133 | 115 |
| 727 | Vision | 16 | 710 | 248 | 228 |
| 728 | Sarcopenia | 15 | 708 | 52 | 108 |
| 728 | disease vectors | 26 | 708 | 173 | 208 |
| 730 | NMR | 19 | 707 | 89 | 29 |
| 731 | amino acids | 10 | 706 | 192 | 77 |
| 732 | internet | 25 | 705 | 381 | 472 |
| 733 | Language Disorders | 31 | 701 | 189 | 202 |
| 734 | Earth Sciences | 21 | 700 | 1255 | 1103 |
| 734 | Appetite | 17 | 700 | 175 | 181 |
| 736 | Pharmacogenomics | 24 | 696 | 12 | 27 |
| 737 | language | 37 | 690 | 110 | 239 |
| 738 | Computer Science | 35 | 689 | 342 | 332 |
| 739 | Astrocytes | 11 | 681 | 180 | 194 |
| 740 | Plant Morphology | 21 | 680 | 93 | 74 |
| 741 | Mental Health Services | 24 | 676 | 297 | 284 |
| 742 | Sports Medicine | 32 | 675 | 675 | 751 |
| 743 | family violence | 14 | 668 | 123 | 104 |
| 744 | Political Sociology | 18 | 663 | 115 | 106 |
| 745 | Oceanography | 21 | 658 | 628 | 630 |
| 746 | Consciousness | 19 | 657 | 86 | 92 |
| 747 | Human Rights | 48 | 649 | 28 | 64 |
| 748 | Elections | 34 | 646 | 36 | 68 |
| 748 | Fisheries | 14 | 646 | 679 | 469 |
| 750 | tests | 8 | 642 | 70 | 33 |
| 751 | Travel | 37 | 641 | 82 | 124 |
| 751 | Diplomatic relations | 49 | 641 | 71 | 38 |
| 753 | Hearing | 34 | 639 | 135 | 167 |
| 754 | cardiac catheterization | 39 | 636 | 92 | 122 |
| 755 | software | 17 | 632 | 277 | 296 |
| 756 | Geochemistry | 32 | 631 | 614 | 792 |
| 756 | Oligosaccharide | 15 | 631 | 61 | 82 |
| 758 | Juvenile delinquency | 39 | 629 | 27 | 57 |
| 759 | Bioethics | 36 | 627 | 148 | 140 |
| 760 | Greenhouse gases | 7 | 620 | 141 | 94 |
| 761 | Family Therapy | 23 | 619 | 181 | 158 |
| 761 | child mental health | 23 | 619 | 83 | 82 |
| 763 | Marriage | 12 | 613 | 185 | 102 |
| 764 | Contraception | 20 | 600 | 143 | 132 |
| 765 | Ornithology | 27 | 599 | 248 | 217 |
| 766 | Endocrine glands | 11 | 593 | 68 | 122 |
| 767 | International Law | 70 | 591 | 8 | 13 |
| 768 | sex crimes | 26 | 590 | 109 | 144 |
| 769 | Soil ecology | 11 | 588 | 329 | 265 |
| 770 | Elderly | 36 | 585 | 264 | 171 |
| 771 | Robotics | 19 | 583 | 615 | 555 |
| 772 | Cerebrospinal fluid | 5 | 582 | 63 | 19 |
| 773 | DNA methylation | 8 | 574 | 105 | 65 |
| 774 | Geriatric Pharmacology | 13 | 569 | 64 | 38 |
| 774 | lasers | 31 | 569 | 574 | 595 |
| 776 | Women's health | 14 | 561 | 423 | 272 |
| 777 | civil rights | 24 | 560 | 33 | 32 |
| 778 | libraries | 11 | 557 | 201 | 79 |
| 779 | Probability | 23 | 552 | 101 | 159 |
| 779 | Performance | 13 | 552 | 79 | 84 |
| 781 | Neurolinguistics | 16 | 549 | 112 | 159 |
| 782 | Computational Chemistry | 9 | 548 | 337 | 225 |
| 783 | Cognitive Behavioral Therapy | 7 | 546 | 71 | 27 |
| 784 | Cognitive Psychology | 28 | 544 | 22 | 50 |
| 784 | Developmental Neurobiology | 10 | 544 | 176 | 93 |
| 786 | Geodynamics | 6 | 543 | 627 | 390 |
| 787 | Heart Failure | 10 | 542 | 161 | 161 |
| 788 | exobiology | 12 | 541 | 82 | 110 |
| 789 | Antioxidants | 8 | 540 | 384 | 384 |
| 790 | chromatin | 5 | 538 | 59 | 29 |
| 791 | correctional psychology | 16 | 536 | 48 | 66 |
| 792 | paraphilias | 10 | 535 | 45 | 30 |
| 792 | Marriage counseling | 10 | 535 | 121 | 78 |
| 794 | Meteorites | 13 | 531 | 449 | 506 |
| 795 | Fluid Mechanics | 11 | 526 | 771 | 510 |
| 795 | Qualitative Research | 12 | 526 | 191 | 139 |
| 797 | Melanoma | 14 | 523 | 24 | 36 |
| 798 | Sociolinguistics | 26 | 522 | 58 | 93 |
| 799 | hospice care | 34 | 521 | 32 | 69 |
| 800 | conflict management | 20 | 519 | 32 | 70 |
| 801 | Geopolitics | 22 | 515 | 12 | 24 |
| 802 | Quantum Computing | 10 | 511 | 63 | 49 |
| 802 | Precision medicine | 22 | 511 | 28 | 33 |
| 804 | race relations | 21 | 507 | 137 | 147 |
| 805 | Criminal Law | 25 | 504 | 24 | 56 |
| 805 | Criminal behavior | 22 | 504 | 14 | 19 |
| 807 | Chemical processes | 2 | 499 | 721 | 106 |
| 808 | Soil fertility | 4 | 495 | 236 | 122 |
| 808 | mammals | 21 | 495 | 264 | 294 |
| 810 | election law | 21 | 494 | 43 | 70 |
| 810 | Voting | 21 | 494 | 41 | 69 |
| 812 | Biomass Energy | 11 | 493 | 1256 | 1271 |
| 813 | Computational Complexity | 54 | 489 | 38 | 118 |
| 814 | Oxidation-reduction | 6 | 488 | 507 | 477 |
| 815 | Religion | 54 | 487 | 78 | 70 |
| 815 | Creativity | 11 | 487 | 57 | 55 |
| 817 | Applied Linguistics | 34 | 484 | 61 | 116 |
| 817 | Sports | 19 | 484 | 799 | 730 |
| 819 | Formal Languages | 50 | 482 | 3 | 8 |
| 820 | Occupational Health | 12 | 481 | 393 | 263 |
| 821 | Culture | 31 | 479 | 210 | 216 |
| 821 | gene transfer | 15 | 479 | 39 | 42 |
| 821 | genetic transformation | 15 | 479 | 39 | 42 |
| 824 | International security | 13 | 477 | 64 | 94 |
| 825 | Group decision making | 10 | 476 | 191 | 122 |
| 826 | History | 81 | 475 | 121 | 82 |
| 827 | Dynamics | 23 | 472 | 456 | 389 |
| 828 | Asia | 40 | 470 | 448 | 668 |
| 829 | Software Engineering | 12 | 468 | 462 | 358 |
| 830 | prostaglandins | 22 | 466 | 85 | 109 |
| 831 | Antibacterial agents | 21 | 464 | 99 | 212 |
| 831 | catalytic activity | 5 | 464 | 487 | 253 |
| 833 | Writing | 17 | 459 | 37 | 59 |
| 834 | Lung Transplantation | 13 | 457 | 139 | 154 |
| 834 | Heart transplantation | 13 | 457 | 139 | 154 |
| 836 | Organelle biogenesis | 9 | 456 | 69 | 43 |
| 837 | Cross-Cultural Studies | 19 | 455 | 110 | 151 |
| 837 | Aquaculture | 7 | 455 | 917 | 545 |
| 839 | Emergency Medical Services | 17 | 454 | 144 | 111 |
| 840 | Cosmochemistry | 25 | 452 | 194 | 375 |
| 841 | Origin of life | 8 | 451 | 38 | 20 |
| 841 | Mineral resources | 8 | 451 | 260 | 196 |
| 843 | Knowledge | 25 | 448 | 102 | 112 |
| 844 | Ethnic relations | 26 | 445 | 69 | 99 |
| 844 | Gastrointestinal diseases | 11 | 445 | 198 | 123 |
| 846 | Cryptography | 9 | 442 | 299 | 82 |
| 847 | Paleobotany | 15 | 441 | 25 | 38 |
| 847 | Vegetation dynamics | 15 | 441 | 24 | 38 |
| 849 | Synaptic Transmission | 17 | 439 | 118 | 157 |
| 850 | Paleoclimatology | 21 | 438 | 362 | 527 |
| 851 | Antiviral agents | 10 | 436 | 99 | 76 |
| 852 | reasoning | 25 | 435 | 25 | 70 |
| 852 | Vocational guidance | 7 | 435 | 554 | 429 |
| 854 | Planetary Science | 13 | 434 | 182 | 134 |
| 855 | musculoskeletal system | 11 | 433 | 26 | 26 |
| 856 | families | 25 | 432 | 201 | 233 |
| 857 | Scandinavia | 21 | 431 | 115 | 153 |
| 858 | Cell communication | 11 | 429 | 167 | 236 |
| 859 | Atomic spectroscopy | 33 | 428 | 215 | 384 |
| 859 | Drug discovery | 9 | 428 | 52 | 49 |
| 861 | Ecosystem management | 17 | 427 | 177 | 259 |
| 862 | Food preferences | 10 | 425 | 144 | 142 |
| 863 | Human Geography | 28 | 423 | 266 | 386 |
| 864 | Microfabrication | 6 | 422 | 184 | 72 |
| 864 | Crystal growth | 10 | 422 | 525 | 355 |
| 864 | Endocrine system | 52 | 422 | 55 | 52 |
| 867 | Teratology | 12 | 421 | 84 | 99 |
| 868 | Metastasis | 1 | 420 | 312 | 97 |
| 869 | Language Acquisition | 14 | 419 | 60 | 54 |
| 869 | atmospheric models | 14 | 419 | 270 | 351 |
| 871 | Risk Management | 6 | 417 | 387 | 200 |
| 871 | Financial management | 6 | 417 | 257 | 204 |
| 873 | Logic | 63 | 414 | 8 | 77 |
| 874 | mental health policy | 16 | 409 | 50 | 53 |
| 875 | Socioeconomic Factors | 14 | 408 | 228 | 252 |
| 876 | Particle Physics | 2 | 404 | 271 | 124 |
| 876 | Biogeochemistry | 8 | 404 | 618 | 609 |
| 878 | Elementary particles | 1 | 397 | 275 | 118 |
| 879 | Vaccination | 12 | 395 | 44 | 61 |
| 880 | Geomorphology | 10 | 393 | 773 | 761 |
| 880 | Flow cytometry | 24 | 393 | 25 | 104 |
| 880 | Birth control | 13 | 393 | 130 | 145 |
| 883 | Quantum electronics | 20 | 391 | 558 | 554 |
| 884 | Osteoporosis | 18 | 390 | 38 | 75 |
| 885 | Social Movements | 1 | 389 | 299 | 8 |
| 885 | Collective behavior | 1 | 389 | 209 | 6 |
| 887 | cross-cultural comparison | 15 | 388 | 105 | 108 |
| 888 | Technology Assessment | 3 | 387 | 401 | 154 |
| 889 | Smoking | 11 | 386 | 319 | 345 |
| 890 | Literacy | 8 | 383 | 151 | 52 |
| 891 | Quality Control | 11 | 381 | 731 | 682 |
| 892 | Educational Sociology | 12 | 379 | 94 | 74 |
| 892 | Organometallic compounds | 12 | 379 | 638 | 553 |
| 894 | Manufacturing Processes | 3 | 377 | 2112 | 1037 |
| 895 | Production Engineering | 3 | 376 | 1875 | 709 |
| 895 | psychopathology | 17 | 376 | 92 | 161 |
| 897 | gastrointestinal tract | 8 | 370 | 133 | 187 |
| 898 | Acarology | 9 | 369 | 97 | 61 |
| 898 | Mites | 9 | 369 | 163 | 76 |
| 898 | Ticks | 9 | 369 | 93 | 61 |
| 898 | Acari | 9 | 369 | 93 | 61 |
| 902 | Bacteria | 5 | 366 | 215 | 199 |
| 903 | Wildlife management | 17 | 365 | 172 | 176 |
| 904 | Soil Science | 16 | 362 | 733 | 944 |
| 904 | role | 7 | 362 | 265 | 246 |
| 906 | Automation | 28 | 359 | 699 | 1180 |
| 906 | International Finance | 12 | 359 | 824 | 780 |
| 906 | Liquid chromatography | 13 | 359 | 129 | 39 |
| 909 | Semantics | 10 | 358 | 50 | 47 |
| 910 | income | 4 | 356 | 107 | 43 |
| 910 | Wealth | 4 | 356 | 107 | 43 |
| 912 | Synchrotron Radiation | 10 | 352 | 136 | 84 |
| 913 | Luminescence | 27 | 347 | 270 | 413 |
| 914 | Democracy | 23 | 339 | 25 | 46 |
| 914 | Library Science | 13 | 339 | 306 | 131 |
| 916 | crime victims | 4 | 338 | 99 | 11 |
| 917 | Space telescopes | 18 | 335 | 26 | 38 |
| 918 | Culture techniques | 14 | 331 | 80 | 85 |
| 919 | Social History | 15 | 328 | 164 | 84 |
| 919 | Ethnic Conflict | 12 | 328 | 79 | 96 |
| 919 | Quantum Optics | 24 | 328 | 210 | 312 |
| 919 | forced migration | 12 | 328 | 79 | 96 |
| 923 | Functional Genomics | 12 | 325 | 69 | 138 |
| 924 | Plant Biotechnology | 7 | 324 | 407 | 325 |
| 924 | Genetic testing | 15 | 324 | 43 | 21 |
| 924 | Methodology | 14 | 324 | 73 | 78 |
| 927 | Neuroplasticity | 2 | 323 | 319 | 68 |
| 927 | neuronal plasticity | 1 | 323 | 226 | 33 |
| 927 | Protozoa | 9 | 323 | 170 | 165 |
| 927 | X-rays | 13 | 323 | 157 | 107 |
| 927 | information | 4 | 323 | 20 | 1 |
| 927 | Classroom Environment | 9 | 323 | 8 | 12 |
| 933 | Entropy | 24 | 322 | 177 | 285 |
| 934 | Product Design | 1 | 321 | 799 | 153 |
| 935 | Genetic epidemiology | 18 | 319 | 62 | 103 |
| 935 | California | 5 | 319 | 283 | 150 |
| 937 | Food additives | 19 | 318 | 296 | 626 |
| 937 | ethnobiology | 13 | 318 | 30 | 92 |
| 939 | peptides | 21 | 316 | 118 | 190 |
| 940 | Cell adhesion | 4 | 315 | 95 | 57 |
| 941 | Neurogenetics | 13 | 312 | 54 | 75 |
| 941 | Social Security | 11 | 312 | 10 | 3 |
| 941 | Quantum Communication | 8 | 312 | 74 | 93 |
| 944 | Democratization | 14 | 310 | 9 | 29 |
| 945 | Cardiovascular Pharmacology | 12 | 308 | 45 | 66 |
| 946 | Statistical Mechanics | 24 | 307 | 153 | 232 |
| 946 | social science | 7 | 307 | 73 | 101 |
| 948 | Global Health | 27 | 306 | 174 | 305 |
| 949 | Radiation Oncology | 10 | 303 | 123 | 122 |
| 949 | Crime prevention | 13 | 303 | 79 | 60 |
| 951 | Online social networks | 17 | 302 | 28 | 65 |
| 952 | Music | 16 | 301 | 259 | 257 |
| 953 | health services accessibility | 13 | 300 | 328 | 389 |
| 954 | Climatology | 10 | 299 | 893 | 971 |
| 954 | Political Geography | 17 | 299 | 64 | 126 |
| 954 | Feminist theory | 13 | 299 | 40 | 50 |
| 957 | School Psychology | 9 | 298 | 223 | 226 |
| 958 | Immunopharmacology | 7 | 296 | 609 | 479 |
| 959 | Phytotherapy | 10 | 295 | 188 | 254 |
| 959 | police | 10 | 295 | 157 | 94 |
| 961 | Biomolecules | 7 | 292 | 211 | 263 |
| 962 | occupational diseases | 12 | 291 | 297 | 380 |
| 963 | Intercultural Communication | 14 | 290 | 91 | 155 |
| 963 | DNS | 4 | 290 | 378 | 176 |
| 965 | Radiation Protection | 21 | 289 | 106 | 93 |
| 966 | Chemical analysis | 9 | 286 | 584 | 585 |
| 967 | Business | 9 | 285 | 1271 | 1416 |
| 967 | Solar System | 13 | 285 | 337 | 402 |
| 969 | Demography | 13 | 284 | 220 | 326 |
| 969 | Ethnobotany | 9 | 284 | 33 | 88 |
| 969 | Traditional medicine | 9 | 284 | 36 | 90 |
| 969 | Ethnomedicine | 9 | 284 | 33 | 88 |
| 973 | Ergonomics | 20 | 283 | 289 | 400 |
| 973 | Nutrition physiology | 8 | 283 | 364 | 387 |
| 973 | Marine biodiversity | 14 | 283 | 33 | 20 |
| 976 | Journalism | 16 | 281 | 149 | 160 |
| 977 | thinking | 6 | 280 | 148 | 99 |
| 978 | ethnicity | 23 | 279 | 126 | 181 |
| 979 | Genetic Counseling | 11 | 277 | 77 | 72 |
| 980 | radiation monitoring | 16 | 275 | 120 | 92 |
| 980 | Radiation dosimetry | 15 | 275 | 97 | 64 |
| 982 | Stress | 9 | 274 | 73 | 88 |
| 983 | Clinical Laboratory Science | 6 | 273 | 89 | 37 |
| 984 | Forensic Psychology | 17 | 272 | 83 | 131 |
| 984 | Feminism | 14 | 272 | 196 | 186 |
| 986 | Sovereignty | 8 | 270 | 25 | 29 |
| 986 | family studies | 4 | 270 | 21 | 18 |
| 986 | Parenting | 4 | 270 | 32 | 22 |
| 986 | Child rearing | 4 | 270 | 32 | 22 |
| 990 | Freezing | 19 | 269 | 62 | 57 |
| 991 | Sociobiology | 5 | 267 | 148 | 108 |
| 992 | commerce | 10 | 266 | 776 | 814 |
| 993 | Tissue Engineering | 4 | 265 | 275 | 154 |
| 993 | land tenure | 4 | 265 | 36 | 24 |
| 993 | Land reform | 4 | 265 | 36 | 24 |
| 996 | Drug delivery devices | 4 | 264 | 161 | 149 |
| 996 | educational statistics | 4 | 264 | 75 | 51 |
| 998 | drug abuse | 5 | 263 | 455 | 266 |
| 999 | Bipolar Disorder | 14 | 262 | 106 | 198 |
| 999 | Hallucinogens | 4 | 262 | 125 | 64 |