| 1 | Chemistry | 1,833 | 56.6K | 64 | 89 |
| 2 | Science | 534 | 35.7K | 240 | 342 |
| 3 | Toxicology | 653 | 22.2K | 23 | 26 |
| 4 | Pharmacology | 615 | 21.0K | 47 | 58 |
| 5 | Biochemistry | 296 | 20.7K | 181 | 133 |
| 6 | Botany | 176 | 16.7K | 148 | 99 |
| 7 | Data Collection | 4 | 16.3K | 26 | 5 |
| 7 | Scientific Data | 4 | 16.3K | 26 | 5 |
| 9 | Pest Control | 193 | 13.2K | 5 | 2 |
| 10 | Medicine | 221 | 13.1K | 331 | 390 |
| 11 | Molecular Biology | 154 | 12.4K | 192 | 167 |
| 12 | Oncology | 140 | 12.3K | 292 | 218 |
| 13 | Biology | 178 | 12.0K | 333 | 329 |
| 14 | Materials Science | 200 | 10.8K | 287 | 153 |
| 15 | Polymers | 387 | 10.7K | 55 | 64 |
| 16 | Environmental Toxicology | 150 | 10.4K | 31 | 24 |
| 17 | Cardiology | 269 | 10.2K | 109 | 132 |
| 18 | Chemical Engineering | 909 | 9.9K | 8 | 45 |
| 19 | Environmental Health | 41 | 8.7K | 130 | 38 |
| 20 | Drugs | 255 | 8.5K | 22 | 42 |
| 21 | Pharmaceutical Chemistry | 167 | 7.3K | 63 | 54 |
| 22 | Insects | 78 | 6.9K | 45 | 14 |
| 23 | Genetics | 87 | 6.9K | 291 | 368 |
| 24 | Multidisciplinary Sciences | 210 | 6.8K | 266 | 292 |
| 25 | Microbiology | 155 | 6.7K | 328 | 362 |
| 26 | Neurology | 94 | 6.6K | 368 | 280 |
| 27 | Plants | 59 | 6.5K | 167 | 105 |
| 28 | Cancer | 91 | 6.4K | 286 | 273 |
| 29 | Plant Biology | 37 | 5.8K | 108 | 73 |
| 30 | Pesticides | 70 | 5.8K | 5 | 2 |
| 31 | Insecta | 61 | 5.8K | 33 | 11 |
| 32 | Macromolecular Substances | 245 | 5.3K | 18 | 30 |
| 33 | Endocrinology | 84 | 4.9K | 164 | 151 |
| 34 | Pollution | 223 | 4.8K | 34 | 96 |
| 35 | Insect Biochemistry | 39 | 4.8K | 14 | 4 |
| 36 | Organic Chemistry | 167 | 4.8K | 60 | 60 |
| 37 | Biotechnology | 103 | 4.6K | 168 | 244 |
| 38 | Macromolecules | 164 | 4.5K | 50 | 71 |
| 39 | Environmental Pollution | 200 | 4.3K | 33 | 90 |
| 40 | Physical Chemistry | 52 | 4.2K | 309 | 159 |
| 41 | Cell Biology | 52 | 4.2K | 417 | 554 |
| 42 | Genomics | 52 | 4.2K | 255 | 370 |
| 43 | Physics | 115 | 4.2K | 707 | 555 |
| 44 | Hematology | 125 | 4.1K | 186 | 218 |
| 45 | Pharmacokinetics | 92 | 4.1K | 11 | 11 |
| 46 | Radiology | 107 | 4.1K | 83 | 57 |
| 47 | Materials | 76 | 4.0K | 425 | 310 |
| 48 | Plant Cells | 23 | 3.8K | 73 | 63 |
| 49 | Drug Therapy | 129 | 3.7K | 31 | 44 |
| 50 | Pharmacy | 162 | 3.7K | 38 | 41 |
| 51 | Analytical Chemistry | 222 | 3.6K | 93 | 167 |
| 52 | Neoplasms | 52 | 3.5K | 323 | 330 |
| 53 | Parasitology | 107 | 3.5K | 68 | 67 |
| 54 | Chemical Physics | 22 | 3.5K | 383 | 148 |
| 55 | Gynecology | 53 | 3.2K | 178 | 95 |
| 56 | Immunology | 54 | 3.0K | 452 | 440 |
| 57 | Nephrology | 99 | 3.0K | 94 | 109 |
| 58 | Plant Physiology | 30 | 2.9K | 130 | 74 |
| 59 | Pharmaceutics | 96 | 2.9K | 36 | 39 |
| 60 | Poisons | 88 | 2.8K | 17 | 27 |
| 61 | Agricultural Chemistry | 30 | 2.7K | 92 | 47 |
| 62 | Bioengineering | 50 | 2.7K | 125 | 218 |
| 63 | Diabetes | 45 | 2.6K | 180 | 174 |
| 64 | Environmental Chemistry | 113 | 2.6K | 31 | 78 |
| 65 | Obstetrics | 34 | 2.5K | 188 | 90 |
| 66 | Urology | 53 | 2.5K | 169 | 154 |
| 67 | Entomology | 75 | 2.5K | 92 | 52 |
| 68 | Pulmonology | 65 | 2.5K | 168 | 180 |
| 69 | Agronomy | 60 | 2.5K | 109 | 92 |
| 70 | Plant Physiological Phenomena | 21 | 2.5K | 147 | 77 |
| 71 | Clinical Pharmacology | 82 | 2.4K | 24 | 24 |
| 72 | Chemotherapy | 49 | 2.3K | 63 | 79 |
| 73 | Colloids | 102 | 2.3K | 87 | 156 |
| 74 | Therapeutics | 49 | 2.2K | 51 | 68 |
| 75 | Catalysis | 46 | 2.2K | 192 | 188 |
| 76 | Metabolism | 34 | 2.1K | 169 | 152 |
| 77 | Andrology | 31 | 2.1K | 20 | 6 |
| 78 | Heart Failure | 52 | 2.1K | 33 | 39 |
| 79 | Chemical Biology | 14 | 2.0K | 120 | 70 |
| 80 | Environmental Pollutants | 79 | 1.9K | 22 | 49 |
| 81 | Plant Cell Development | 11 | 1.9K | 85 | 76 |
| 82 | Industrial Chemistry | 131 | 1.8K | 19 | 41 |
| 83 | Angiology | 25 | 1.8K | 84 | 160 |
| 84 | Polymerization | 133 | 1.8K | 5 | 19 |
| 85 | Drug Design | 33 | 1.7K | 29 | 30 |
| 86 | Gastroenterology | 31 | 1.7K | 408 | 363 |
| 87 | Proteome | 18 | 1.7K | 140 | 102 |
| 88 | Green Chemistry | 27 | 1.7K | 101 | 99 |
| 89 | Chemical Technology | 40 | 1.6K | 38 | 26 |
| 90 | Plant Protection | 33 | 1.6K | 29 | 14 |
| 91 | Steroids | 33 | 1.6K | 28 | 20 |
| 91 | Steroid Hormones | 33 | 1.6K | 23 | 17 |
| 93 | Plant Molecular Biology | 7 | 1.6K | 153 | 107 |
| 94 | Proteomics | 19 | 1.6K | 170 | 100 |
| 95 | Cardiovascular System | 48 | 1.5K | 104 | 150 |
| 96 | Applied Physics | 26 | 1.5K | 467 | 306 |
| 97 | Pollutants | 66 | 1.5K | 23 | 54 |
| 97 | Chemical Processes | 66 | 1.5K | 17 | 15 |
| 99 | Thrombosis | 48 | 1.5K | 40 | 47 |
| 100 | Cheminformatics | 37 | 1.5K | 22 | 40 |
| 101 | Plant Diseases | 40 | 1.5K | 98 | 62 |
| 102 | Metabolic Diseases | 17 | 1.5K | 196 | 137 |
| 102 | Endocrine Diseases | 17 | 1.5K | 113 | 101 |
| 104 | Pathology | 54 | 1.5K | 154 | 223 |
| 105 | Contraception | 35 | 1.4K | 20 | 17 |
| 105 | Birth Control | 35 | 1.4K | 20 | 17 |
| 107 | Mycology | 36 | 1.4K | 106 | 101 |
| 108 | Environmental Sciences | 123 | 1.4K | 175 | 468 |
| 109 | Genomes | 21 | 1.4K | 218 | 251 |
| 110 | Diabetes Mellitus | 27 | 1.3K | 163 | 187 |
| 111 | Sexual Health | 28 | 1.3K | 21 | 15 |
| 111 | Sexology | 28 | 1.3K | 19 | 15 |
| 111 | Sex | 28 | 1.3K | 20 | 15 |
| 111 | Sexual Disorders | 28 | 1.3K | 18 | 13 |
| 111 | Physiological Sexual Dysfunction | 28 | 1.3K | 18 | 13 |
| 111 | Psychological Sexual Dysfunctions | 28 | 1.3K | 16 | 13 |
| 117 | Fungi | 13 | 1.3K | 141 | 70 |
| 118 | Thermodynamics | 21 | 1.3K | 87 | 35 |
| 119 | Blood | 29 | 1.3K | 306 | 334 |
| 120 | Computer Simulation | 27 | 1.3K | 70 | 86 |
| 121 | Nervous System | 17 | 1.3K | 368 | 269 |
| 122 | Coatings | 29 | 1.3K | 42 | 19 |
| 123 | Virology | 30 | 1.3K | 384 | 364 |
| 124 | Environmental Monitoring | 46 | 1.2K | 96 | 152 |
| 125 | Biophysics | 13 | 1.2K | 373 | 200 |
| 126 | Pharmacovigilance | 27 | 1.2K | 35 | 30 |
| 127 | Hepatology | 11 | 1.2K | 397 | 245 |
| 128 | Public Health | 33 | 1.2K | 674 | 602 |
| 129 | Pharmacoepidemiology | 27 | 1.2K | 30 | 27 |
| 130 | Breeding | 21 | 1.1K | 79 | 75 |
| 131 | Ophthalmology | 51 | 1.1K | 182 | 230 |
| 132 | Crop Protection | 14 | 1.1K | 29 | 12 |
| 133 | Hemostasis | 37 | 1.1K | 46 | 52 |
| 133 | Molecular Medicine | 15 | 1.1K | 285 | 194 |
| 135 | Communicable Diseases | 31 | 1.1K | 362 | 411 |
| 136 | Chromatography | 50 | 1.1K | 65 | 67 |
| 137 | Antimicrobial Chemotherapy | 17 | 1.1K | 72 | 51 |
| 138 | Male Genitalia | 6 | 1.1K | 28 | 3 |
| 139 | Reproduction | 13 | 1.1K | 228 | 145 |
| 140 | Electrochemistry | 20 | 1.1K | 533 | 340 |
| 141 | Hormones | 19 | 1.1K | 95 | 86 |
| 142 | Hormone | 18 | 1.1K | 78 | 53 |
| 143 | Clinical Medicine | 36 | 1.1K | 108 | 245 |
| 144 | Psychopharmacology | 27 | 1.1K | 86 | 101 |
| 145 | Arterial Hypertension | 27 | 1.0K | 55 | 76 |
| 146 | Fluorine | 31 | 1.0K | 23 | 13 |
| 147 | Medical Microbiology | 28 | 1.0K | 152 | 210 |
| 148 | Clinical Chemistry | 28 | 987 | 138 | 152 |
| 149 | Medical Research | 31 | 981 | 327 | 423 |
| 150 | Pharmaceutical Technology | 40 | 974 | 37 | 50 |
| 150 | Veterinary Medicine | 42 | 974 | 216 | 200 |
| 152 | Photosynthesis | 5 | 967 | 67 | 20 |
| 153 | Surface Chemistry | 33 | 965 | 238 | 266 |
| 154 | Sexual Medicine | 9 | 953 | 14 | 8 |
| 155 | Rheology | 26 | 950 | 20 | 19 |
| 156 | Erectile Dysfunction | 8 | 946 | 11 | 6 |
| 156 | Impotence | 8 | 946 | 11 | 6 |
| 158 | Dermatology | 18 | 934 | 428 | 279 |
| 158 | Chromatographic Analysis | 40 | 934 | 75 | 75 |
| 160 | Solid State Physics | 19 | 931 | 516 | 398 |
| 161 | Gerontology | 18 | 927 | 273 | 184 |
| 162 | Medicinal Chemistry | 36 | 911 | 116 | 133 |
| 163 | Respiratory Organs | 14 | 907 | 246 | 295 |
| 164 | Experimental Medicine | 31 | 888 | 200 | 337 |
| 165 | Inorganic Chemistry | 41 | 866 | 203 | 207 |
| 166 | Agriculture | 35 | 860 | 224 | 232 |
| 167 | Cardiovascular Diseases | 21 | 856 | 166 | 136 |
| 168 | Molecular Pharmacology | 16 | 851 | 54 | 63 |
| 169 | Infection | 52 | 840 | 42 | 92 |
| 170 | Physiology | 27 | 830 | 369 | 479 |
| 171 | Infections | 50 | 825 | 32 | 76 |
| 172 | Ecology | 30 | 814 | 629 | 898 |
| 173 | Engineering | 45 | 812 | 707 | 764 |
| 174 | Environmental Management | 60 | 811 | 26 | 102 |
| 175 | Environmental Risk Assessment | 59 | 808 | 5 | 19 |
| 175 | Environmental Impact Analysis | 59 | 808 | 3 | 23 |
| 175 | Environmental Impact Statements | 59 | 808 | 2 | 15 |
| 178 | Genitourinary Organs | 16 | 799 | 146 | 170 |
| 179 | Electronic Materials | 13 | 795 | 289 | 116 |
| 180 | Hypertension | 21 | 793 | 76 | 97 |
| 181 | Toxicity Testing | 17 | 789 | 42 | 38 |
| 182 | Biomedical Engineering | 15 | 768 | 621 | 408 |
| 183 | Proteins | 20 | 765 | 220 | 254 |
| 184 | Surface Physics | 22 | 762 | 270 | 210 |
| 185 | Nuclear Medicine | 22 | 757 | 146 | 121 |
| 186 | Critical Care | 9 | 753 | 205 | 214 |
| 186 | Critical Care Medicine | 9 | 753 | 302 | 231 |
| 188 | Cardiovascular Disease | 27 | 748 | 125 | 109 |
| 189 | Infectious Diseases | 13 | 745 | 649 | 540 |
| 190 | Molecules | 19 | 743 | 61 | 63 |
| 191 | Tropical Medicine | 16 | 740 | 334 | 266 |
| 192 | Animal Welfare | 13 | 738 | 23 | 17 |
| 193 | Brain | 18 | 735 | 405 | 387 |
| 194 | Technology | 11 | 731 | 272 | 112 |
| 195 | Reproductive Health | 30 | 728 | 27 | 40 |
| 196 | Occupational Medicine | 22 | 725 | 103 | 60 |
| 197 | Molecular Genetics | 16 | 724 | 135 | 180 |
| 198 | Genetic Toxicology | 21 | 721 | 73 | 98 |
| 199 | Biomedical Research | 13 | 715 | 214 | 317 |
| 200 | Experimental Biology | 18 | 713 | 222 | 145 |
| 201 | Cardiovascular Pharmacology | 19 | 705 | 7 | 10 |
| 202 | Computer-Aided Drug Design | 17 | 704 | 9 | 22 |
| 203 | Solar Cells | 13 | 698 | 99 | 83 |
| 204 | Respiratory Tract Diseases | 7 | 695 | 311 | 281 |
| 205 | Pharmacognosy | 10 | 693 | 208 | 137 |
| 206 | Process Chemistry | 23 | 684 | 28 | 26 |
| 207 | Solar Energy | 11 | 679 | 196 | 133 |
| 207 | Solar Power | 11 | 679 | 87 | 62 |
| 207 | Solar Cell | 11 | 679 | 90 | 63 |
| 210 | Cell Death | 4 | 677 | 302 | 161 |
| 210 | Apoptotic Process | 4 | 677 | 182 | 74 |
| 212 | Behavior | 13 | 664 | 233 | 275 |
| 213 | Gene Therapy | 9 | 661 | 252 | 189 |
| 214 | Diagnostic Imaging | 21 | 648 | 132 | 179 |
| 215 | Healthcare Outcome Assessment | 11 | 644 | 48 | 29 |
| 216 | Structural Biology | 7 | 622 | 292 | 183 |
| 217 | Marketing | 5 | 620 | 159 | 84 |
| 217 | Translational Medicine | 11 | 620 | 127 | 256 |
| 219 | Molecular Structure | 4 | 617 | 317 | 202 |
| 220 | Biopharmaceutics | 21 | 616 | 22 | 33 |
| 221 | Applied Microbiology | 10 | 613 | 238 | 264 |
| 222 | Electrochemical Analysis | 2 | 607 | 340 | 68 |
| 223 | Menopause | 26 | 605 | 16 | 34 |
| 224 | Intensive Care | 3 | 601 | 325 | 193 |
| 225 | Oncogenes | 7 | 598 | 221 | 224 |
| 226 | Endocrine Glands | 9 | 593 | 155 | 175 |
| 227 | Neuroscience | 14 | 592 | 521 | 574 |
| 228 | Magnetic Resonance Spectroscopy | 24 | 583 | 91 | 105 |
| 229 | Analytical Biochemistry | 15 | 582 | 105 | 131 |
| 229 | Hygiene | 18 | 582 | 153 | 165 |
| 231 | Natural Products | 8 | 574 | 191 | 106 |
| 232 | Mutation | 15 | 564 | 150 | 208 |
| 232 | Organic Synthesis | 16 | 564 | 64 | 53 |
| 234 | Nanotechnology | 10 | 563 | 799 | 757 |
| 235 | Condensed Matter Physics | 16 | 557 | 573 | 537 |
| 236 | Analytical Chemistry Techniques | 29 | 550 | 266 | 355 |
| 237 | Radioisotopes | 35 | 545 | 108 | 128 |
| 237 | Magnetic Resonance | 19 | 545 | 82 | 67 |
| 239 | Nervous System Diseases | 12 | 538 | 316 | 292 |
| 240 | Computational Biology | 22 | 524 | 210 | 389 |
| 241 | Molecular Imaging | 11 | 519 | 93 | 83 |
| 242 | Industrial Toxicology | 17 | 516 | 28 | 28 |
| 243 | Cell Differentiation | 2 | 511 | 424 | 180 |
| 244 | Natural Product | 7 | 510 | 96 | 60 |
| 245 | Viruses | 9 | 509 | 352 | 359 |
| 246 | Quality of Life | 9 | 508 | 126 | 107 |
| 246 | Chemical Models | 7 | 508 | 104 | 76 |
| 248 | Plant Biotechnology | 6 | 507 | 171 | 107 |
| 249 | Outcome Assessment | 8 | 506 | 31 | 29 |
| 250 | Nucleic Acids | 7 | 499 | 394 | 448 |
| 251 | Computational Chemistry | 9 | 498 | 143 | 131 |
| 251 | Plant Genetic Engineering | 5 | 498 | 111 | 85 |
| 253 | Womens Health | 15 | 496 | 60 | 53 |
| 254 | Plant Pathology | 25 | 484 | 130 | 154 |
| 255 | Clinical Trial | 13 | 477 | 138 | 81 |
| 256 | Polymer Science | 14 | 476 | 156 | 141 |
| 257 | Drug Evaluation | 30 | 474 | 28 | 37 |
| 257 | Cerebrovascular Circulation | 13 | 474 | 122 | 200 |
| 257 | Cerebral Circulation | 13 | 474 | 122 | 200 |
| 260 | Women | 15 | 473 | 64 | 59 |
| 261 | Mass Spectrometry | 15 | 466 | 177 | 165 |
| 262 | Transfusion Medicine | 17 | 464 | 92 | 62 |
| 263 | Optics | 35 | 463 | 624 | 704 |
| 264 | Cerebrovascular Disease | 14 | 459 | 116 | 178 |
| 264 | Cerebrovascular Disorders | 14 | 459 | 98 | 169 |
| 266 | Obesity | 19 | 456 | 132 | 256 |
| 267 | Antineoplastic Agents | 11 | 446 | 62 | 80 |
| 267 | Medical Treatment | 11 | 446 | 63 | 80 |
| 269 | Biomolecules | 13 | 444 | 127 | 114 |
| 270 | Liver | 4 | 439 | 294 | 266 |
| 270 | Liver Diseases | 4 | 439 | 294 | 266 |
| 272 | Bioinformatics | 17 | 438 | 229 | 378 |
| 273 | Organometallic Compounds | 17 | 436 | 116 | 106 |
| 273 | Cardiovascular Agents | 7 | 436 | 26 | 12 |
| 275 | Spectrum Analysis | 12 | 428 | 369 | 278 |
| 276 | Magnetic Resonance Imaging | 19 | 427 | 111 | 165 |
| 277 | Transgenic Organisms | 9 | 425 | 32 | 25 |
| 278 | Pediatrics | 16 | 423 | 628 | 642 |
| 279 | Plastics | 26 | 420 | 68 | 88 |
| 279 | Respiratory Disorders | 2 | 420 | 363 | 249 |
| 279 | Respiratory Intensive Care | 2 | 420 | 344 | 247 |
| 282 | Macromolecule | 13 | 418 | 305 | 377 |
| 283 | Respiratory System | 17 | 415 | 40 | 69 |
| 284 | Comparative Physiology | 8 | 410 | 150 | 115 |
| 284 | Mental Disorders | 12 | 410 | 428 | 529 |
| 286 | Drug Delivery | 4 | 409 | 260 | 182 |
| 287 | Eukaryotic Cells | 6 | 405 | 99 | 91 |
| 287 | Radioisotope Diagnosis | 8 | 405 | 106 | 93 |
| 289 | Statistics | 24 | 404 | 227 | 311 |
| 289 | Signal Transduction | 8 | 404 | 196 | 240 |
| 289 | Cellular Signal Transduction | 8 | 404 | 159 | 210 |
| 292 | Atherosclerosis | 8 | 403 | 129 | 140 |
| 293 | Transplantation | 12 | 400 | 262 | 243 |
| 294 | Stroke | 11 | 399 | 95 | 174 |
| 295 | Organ Transplantation | 11 | 398 | 165 | 165 |
| 296 | Infertility | 7 | 396 | 115 | 123 |
| 296 | Fertility | 7 | 396 | 143 | 133 |
| 296 | Human Fertility | 7 | 396 | 119 | 124 |
| 296 | Headache | 5 | 396 | 121 | 81 |
| 300 | Clinical Laboratory Diagnosis | 13 | 392 | 93 | 77 |
| 300 | Laboratory Diagnosis | 13 | 392 | 93 | 77 |
| 302 | Immunopathology | 5 | 389 | 276 | 167 |
| 302 | Developmental Biology | 7 | 389 | 394 | 437 |
| 304 | Cells | 6 | 388 | 601 | 678 |
| 305 | Industrial Microbiology | 12 | 385 | 169 | 224 |
| 306 | Molecular Endocrinology | 3 | 381 | 101 | 83 |
| 307 | Condensed Matter | 5 | 380 | 695 | 511 |
| 307 | Anesthesiology | 10 | 380 | 342 | 263 |
| 307 | Neuropsychopharmacology | 13 | 380 | 136 | 191 |
| 310 | Leukemia | 5 | 377 | 277 | 220 |
| 311 | Randomized Controlled Trials | 8 | 375 | 138 | 62 |
| 312 | Plant Breeding | 10 | 374 | 138 | 123 |
| 313 | Bioconjugates | 6 | 372 | 87 | 75 |
| 314 | Cancer Cells | 4 | 367 | 190 | 303 |
| 314 | Physical Phenomena | 3 | 367 | 506 | 243 |
| 316 | Ecotoxicology | 13 | 366 | 60 | 95 |
| 317 | Heart | 18 | 365 | 123 | 229 |
| 318 | Urologic Diseases | 6 | 364 | 127 | 71 |
| 319 | Cell Physiological Phenomena | 3 | 362 | 296 | 236 |
| 320 | Allergology | 6 | 360 | 403 | 390 |
| 321 | Industrial Electrochemistry | 23 | 358 | 22 | 36 |
| 322 | Rheumatology | 11 | 355 | 407 | 484 |
| 323 | Blood Vessels | 4 | 354 | 171 | 157 |
| 324 | Reproductive Toxicology | 18 | 353 | 29 | 63 |
| 324 | Plant Parasites | 9 | 353 | 60 | 36 |
| 326 | Psychotropic Drugs | 12 | 350 | 79 | 93 |
| 327 | Vascular Diseases | 3 | 345 | 213 | 158 |
| 327 | Microorganisms | 3 | 345 | 575 | 416 |
| 327 | Arteriosclerosis | 3 | 345 | 179 | 152 |
| 327 | Vascular Disease | 3 | 345 | 191 | 152 |
| 331 | Soft Condensed Matter | 11 | 344 | 125 | 132 |
| 331 | Soft Matter | 11 | 344 | 128 | 133 |
| 333 | Biochemical Engineering | 12 | 342 | 125 | 174 |
| 334 | Eukaryote | 5 | 341 | 48 | 44 |
| 335 | Pharmacotherapy | 17 | 339 | 116 | 207 |
| 336 | Climatology | 6 | 336 | 440 | 493 |
| 337 | Molecular Microbiology | 2 | 331 | 326 | 191 |
| 337 | Materials Physics | 4 | 331 | 655 | 494 |
| 339 | Immune System Diseases | 2 | 328 | 388 | 142 |
| 339 | Plant Molecular Genetics | 5 | 328 | 69 | 58 |
| 341 | Food | 15 | 321 | 514 | 762 |
| 342 | Climatic Changes | 4 | 315 | 499 | 595 |
| 342 | Endocrine System Diseases | 12 | 315 | 156 | 295 |
| 344 | World Health | 2 | 314 | 610 | 277 |
| 345 | Environment | 9 | 309 | 521 | 844 |
| 346 | Neurosurgery | 6 | 303 | 417 | 208 |
| 347 | Nanoparticles | 3 | 295 | 225 | 106 |
| 348 | Protein | 10 | 292 | 192 | 233 |
| 349 | Nuclear Magnetic Resonance | 3 | 291 | 353 | 171 |
| 350 | Health Economics | 32 | 290 | 60 | 140 |
| 350 | Inhalation Toxicology | 13 | 290 | 19 | 42 |
| 350 | Pulmonary Toxicology | 13 | 290 | 19 | 42 |
| 353 | Drug Toxicity | 2 | 287 | 113 | 24 |
| 354 | Power Resources | 7 | 284 | 942 | 975 |
| 355 | Phytochemistry | 11 | 279 | 125 | 178 |
| 356 | Digital Health | 10 | 278 | 69 | 157 |
| 357 | Pharmaceutical Preparations | 30 | 272 | 51 | 310 |
| 358 | Plant Tissue Culture | 4 | 271 | 144 | 106 |
| 358 | Plant Cell Culture | 4 | 271 | 144 | 106 |
| 358 | Cardiovascular Pharmacotherapy | 11 | 271 | 9 | 10 |
| 361 | Nuclear Magnetic Resonance Spectroscopy | 17 | 270 | 64 | 95 |
| 361 | NMR | 17 | 270 | 36 | 43 |
| 363 | Surface Technology | 7 | 269 | 394 | 310 |
| 364 | Photobiology | 6 | 268 | 242 | 228 |
| 364 | Kidney Diseases | 11 | 268 | 79 | 113 |
| 364 | Kidneys | 11 | 268 | 78 | 113 |
| 367 | Lungs | 6 | 267 | 189 | 198 |
| 367 | Neurological Diagnostic Techniques | 2 | 267 | 203 | 209 |
| 369 | Phytopathogenic Microorganisms | 3 | 264 | 114 | 69 |
| 370 | Blood Circulation | 12 | 263 | 85 | 145 |
| 371 | Natural Environment | 7 | 260 | 185 | 310 |
| 372 | Neurochemistry | 6 | 259 | 315 | 333 |
| 373 | Hemophilia | 9 | 258 | 53 | 46 |
| 373 | Hemophilia a | 9 | 258 | 53 | 46 |
| 375 | Botanical Chemistry | 11 | 257 | 124 | 192 |
| 376 | Animal Behavior | 3 | 256 | 375 | 204 |
| 376 | Investigational Drugs | 14 | 256 | 23 | 21 |
| 378 | Orthopedics | 4 | 253 | 885 | 524 |
| 378 | Neurophysiology | 2 | 253 | 486 | 265 |
| 378 | Nervous System Physiological Phenomena | 2 | 253 | 82 | 32 |
| 381 | Neurotoxicology | 7 | 251 | 58 | 63 |
| 381 | Remote Sensing | 11 | 251 | 504 | 618 |
| 383 | Photochemistry | 5 | 250 | 275 | 198 |
| 384 | Epidemiology | 11 | 247 | 512 | 743 |
| 384 | Magnetism | 19 | 247 | 237 | 280 |
| 386 | Parasitic Diseases | 8 | 243 | 246 | 267 |
| 386 | Parasites | 8 | 243 | 273 | 282 |
| 388 | Energy Science | 2 | 241 | 181 | 240 |
| 389 | Carbohydrate | 7 | 239 | 243 | 332 |
| 389 | Plant Reproduction | 1 | 239 | 50 | 15 |
| 391 | Organometallic Chemistry | 10 | 238 | 75 | 59 |
| 392 | Neurobiology | 6 | 236 | 364 | 493 |
| 392 | Vision | 5 | 236 | 281 | 260 |
| 394 | Clinical Trials as Topic | 12 | 234 | 22 | 22 |
| 395 | Water | 9 | 231 | 653 | 759 |
| 396 | Medical Economics | 17 | 227 | 96 | 273 |
| 397 | Electrophoresis | 3 | 226 | 221 | 121 |
| 398 | Hydrology | 9 | 225 | 435 | 526 |
| 399 | Medical Genetics | 5 | 224 | 948 | 1,023 |
| 399 | Geochemistry | 2 | 224 | 700 | 476 |
| 401 | Internal Medicine | 21 | 221 | 255 | 617 |
| 401 | Medical Informatics | 13 | 221 | 218 | 399 |
| 403 | Nutrition | 7 | 220 | 966 | 1,114 |
| 403 | Cell Physiology | 3 | 220 | 462 | 411 |
| 403 | Pest Management | 3 | 220 | 11 | 1 |
| 406 | Blood Transfusion | 10 | 218 | 133 | 156 |
| 406 | Biometry | 15 | 218 | 82 | 161 |
| 406 | Fire Safety Engineering | 8 | 218 | 16 | 16 |
| 406 | Blood Banks | 10 | 218 | 119 | 152 |
| 410 | Operations Research | 7 | 216 | 335 | 309 |
| 411 | Ceramics | 8 | 213 | 481 | 492 |
| 411 | Microchemistry | 15 | 213 | 74 | 110 |
| 413 | Informatics | 10 | 211 | 59 | 70 |
| 413 | Breast Cancer | 4 | 211 | 418 | 371 |
| 413 | Molecular Modelling | 10 | 211 | 13 | 37 |
| 416 | Meteorology | 6 | 207 | 548 | 556 |
| 416 | Bacteriology | 4 | 207 | 319 | 344 |
| 416 | Spectroscopy | 7 | 207 | 299 | 266 |
| 419 | Experimental Pharmacology | 9 | 205 | 25 | 39 |
| 420 | Separation Technology | 8 | 204 | 132 | 114 |
| 420 | Oxidation Reduction | 2 | 204 | 241 | 221 |
| 422 | Bioanalytical Chemistry | 16 | 203 | 40 | 62 |
| 422 | Leukocytes | 3 | 203 | 196 | 169 |
| 422 | Tropical Diseases | 6 | 203 | 269 | 327 |
| 425 | Crystallography | 10 | 202 | 346 | 294 |
| 426 | Systematics | 2 | 201 | 311 | 183 |
| 426 | Treatment Outcome | 5 | 201 | 61 | 79 |
| 428 | Immunotherapy | 3 | 200 | 556 | 378 |
| 428 | Invertebrates | 7 | 200 | 84 | 86 |
| 428 | Invertebrate Pathology | 7 | 200 | 63 | 74 |
| 431 | Immunogenetics | 2 | 199 | 427 | 226 |
| 432 | Systems Biology | 5 | 198 | 209 | 223 |
| 432 | Female Generative Organs | 4 | 198 | 214 | 88 |
| 434 | Water Pollution | 4 | 195 | 751 | 694 |
| 434 | Molecular Conformation | 1 | 195 | 180 | 129 |
| 436 | Embryology | 2 | 193 | 425 | 349 |
| 437 | Organic Compounds | 16 | 192 | 117 | 186 |
| 438 | Drug Delivery Systems | 11 | 191 | 117 | 360 |
| 439 | Surface Properties | 10 | 190 | 264 | 458 |
| 439 | Biomedicine | 7 | 190 | 393 | 449 |
| 439 | Automatic Control | 32 | 190 | 201 | 374 |
| 439 | Oxidation Reduction Reaction | 1 | 190 | 216 | 144 |
| 439 | Redox Reactions | 1 | 190 | 216 | 144 |
| 439 | Redox Systems | 1 | 190 | 216 | 144 |
| 445 | Growth | 1 | 188 | 376 | 290 |
| 446 | Mutagenesis | 9 | 187 | 105 | 157 |
| 447 | Telecommunication in Medicine | 4 | 184 | 88 | 130 |
| 448 | Medicinal Plants | 3 | 183 | 357 | 277 |
| 448 | Water Quality | 2 | 183 | 751 | 511 |
| 448 | Bioprocess Engineering | 3 | 183 | 14 | 6 |
| 451 | Climate Change | 2 | 182 | 685 | 727 |
| 452 | Psychiatry | 10 | 181 | 853 | 1,248 |
| 452 | Lipids | 19 | 181 | 133 | 424 |
| 454 | Genetically Modified Organisms | 2 | 180 | 16 | 5 |
| 454 | Biosafety | 2 | 180 | 37 | 8 |
| 454 | Experimental Pathology | 18 | 180 | 4 | 4 |
| 457 | Global Warming | 1 | 179 | 337 | 358 |
| 458 | Management | 16 | 176 | 204 | 463 |
| 459 | Weeds | 17 | 174 | 20 | 40 |
| 460 | Retina | 6 | 172 | 85 | 123 |
| 461 | Metallurgy | 5 | 170 | 732 | 618 |
| 461 | Host Parasite Interactions | 2 | 170 | 543 | 602 |
| 463 | Xenobiotics | 3 | 169 | 147 | 99 |
| 464 | Industrial Marketing | 2 | 167 | 31 | 25 |
| 465 | Electrical Engineering | 6 | 164 | 1,289 | 1,018 |
| 465 | Particles | 8 | 164 | 69 | 97 |
| 465 | Environmental Catalysis | 1 | 164 | 341 | 257 |
| 468 | Molecular Ecology | 6 | 163 | 248 | 428 |
| 468 | Drug Discovery | 13 | 163 | 34 | 69 |
| 468 | Molecular Neurobiology | 3 | 163 | 330 | 300 |
| 471 | Solids | 4 | 162 | 426 | 347 |
| 472 | Renewable Energy Sources | 1 | 161 | 1,090 | 706 |
| 472 | Stem Cells | 1 | 161 | 833 | 554 |
| 472 | Crystal Growth | 4 | 161 | 434 | 348 |
| 472 | Sustainable Energy | 1 | 161 | 438 | 415 |
| 476 | Cell Receptors | 7 | 160 | 13 | 17 |
| 477 | Computer Science | 9 | 159 | 872 | 819 |
| 477 | Medical Mycology | 24 | 159 | 29 | 95 |
| 479 | Multiple Sclerosis | 8 | 158 | 89 | 149 |
| 480 | Superconductivity | 9 | 157 | 294 | 253 |
| 481 | Plastic Foams | 23 | 156 | 3 | 8 |
| 482 | Molecular Population Biology | 4 | 155 | 242 | 364 |
| 483 | Ethics | 2 | 154 | 254 | 91 |
| 483 | Chest | 4 | 154 | 290 | 406 |
| 483 | Thoracic Diseases | 4 | 154 | 289 | 405 |
| 486 | Lung | 4 | 153 | 139 | 212 |
| 487 | Water Resources | 6 | 152 | 172 | 169 |
| 488 | Treatment of Cancer | 7 | 150 | 197 | 295 |
| 489 | Zoology | 4 | 149 | 730 | 542 |
| 489 | Biomedical Translational Research | 11 | 149 | 115 | 289 |
| 491 | Solid State Chemistry | 5 | 147 | 412 | 350 |
| 491 | Neural Computers | 2 | 147 | 213 | 157 |
| 491 | Artificial Neural Network | 2 | 147 | 240 | 220 |
| 491 | Biological Neural Networks | 2 | 147 | 158 | 124 |
| 495 | Environmental Exposure | 8 | 146 | 114 | 163 |
| 495 | Supercritical Fluids | 5 | 146 | 52 | 74 |
| 497 | Bees | 3 | 145 | 82 | 58 |
| 497 | Host Parasite Relationships | 1 | 145 | 531 | 433 |
| 497 | Diseased Plants | 1 | 145 | 112 | 46 |
| 500 | Osteoporosis | 2 | 143 | 284 | 207 |
| 500 | Free Radicals | 4 | 143 | 274 | 404 |
| 500 | Color | 9 | 143 | 21 | 27 |
| 500 | Circulatory System | 2 | 143 | 246 | 315 |
| 504 | Medical Ethics | 1 | 142 | 468 | 94 |
| 504 | Rubber | 16 | 142 | 25 | 36 |
| 504 | Clinical Ethics | 1 | 142 | 75 | 30 |
| 507 | Biological Models | 3 | 140 | 129 | 133 |
| 508 | Sustainable Engineering | 7 | 139 | 155 | 282 |
| 508 | Cellulose | 3 | 139 | 123 | 121 |
| 508 | Liquid Chromatography | 4 | 139 | 98 | 54 |
| 511 | Health Care Outcome Assessment | 3 | 138 | 39 | 29 |
| 512 | Dentistry | 6 | 137 | 401 | 432 |
| 512 | Eye Diseases | 2 | 137 | 209 | 177 |
| 514 | Clinical Immunology | 1 | 136 | 550 | 265 |
| 514 | Biological Products | 7 | 136 | 68 | 145 |
| 514 | Blood Diseases | 1 | 136 | 340 | 150 |
| 517 | Aging | 5 | 133 | 699 | 864 |
| 518 | Computer | 13 | 132 | 665 | 593 |
| 518 | Weed Control | 10 | 132 | 28 | 46 |
| 520 | Tribology | 4 | 129 | 487 | 402 |
| 520 | Economic Zoology | 6 | 129 | 80 | 83 |
| 522 | Intensive Care Medicine | 2 | 128 | 755 | 563 |
| 522 | Pharmaceutical Analysis | 10 | 128 | 102 | 187 |
| 524 | Radiopharmaceuticals | 24 | 126 | 36 | 52 |
| 524 | Energy | 9 | 126 | 638 | 1,103 |
| 524 | Tracers | 24 | 126 | 32 | 40 |
| 524 | Process Systems Engineering | 29 | 126 | 10 | 10 |
| 528 | Respiration | 4 | 125 | 134 | 197 |
| 528 | Respiratory Physiological Phenomena | 4 | 125 | 120 | 185 |
| 530 | Artificial Intelligence | 8 | 124 | 530 | 847 |
| 530 | Lubrication | 5 | 124 | 53 | 63 |
| 530 | Receptors | 6 | 124 | 10 | 17 |
| 533 | Ceramic Materials | 5 | 122 | 240 | 257 |
| 534 | Environmental Protection | 40 | 121 | 31 | 466 |
| 534 | Pain | 5 | 121 | 309 | 484 |
| 534 | Zoonosis | 9 | 121 | 37 | 68 |
| 534 | Composites | 5 | 121 | 52 | 70 |
| 538 | Aerosols | 3 | 120 | 205 | 173 |
| 538 | Aerosol | 3 | 120 | 148 | 125 |
| 538 | Biomedical Materials | 6 | 120 | 601 | 938 |
| 541 | Phytopathogenic Bacteria | 2 | 119 | 89 | 83 |
| 541 | Applied Chemistry | 4 | 119 | 490 | 612 |
| 541 | Anti Infective Agents | 2 | 119 | 237 | 179 |
| 541 | Antimicrobial Agents | 2 | 119 | 193 | 158 |
| 541 | Cancer Research | 11 | 119 | 5 | 5 |
| 541 | Phytopathogenic Fungi | 2 | 119 | 89 | 83 |
| 541 | Plant Microbe Relationships | 2 | 119 | 89 | 83 |
| 541 | Toxicological Emergencies | 1 | 119 | 48 | 23 |
| 549 | Geophysics | 6 | 118 | 938 | 1,184 |
| 549 | Business | 3 | 118 | 486 | 291 |
| 551 | Biostatistics | 8 | 117 | 57 | 88 |
| 551 | Climacteric Syndrome | 3 | 117 | 43 | 44 |
| 551 | Postmenopause | 3 | 117 | 43 | 44 |
| 554 | Risk Assessment | 2 | 116 | 99 | 41 |
| 554 | Ecological Risk Assessment | 2 | 116 | 75 | 37 |
| 554 | Biocompatible Materials | 5 | 116 | 575 | 859 |
| 554 | Diet | 4 | 116 | 371 | 631 |
| 558 | Nanoscience | 1 | 115 | 542 | 492 |
| 559 | Acarology | 2 | 114 | 122 | 57 |
| 559 | Metals | 3 | 114 | 716 | 670 |
| 559 | Mites | 2 | 114 | 118 | 57 |
| 559 | Acari | 2 | 114 | 95 | 50 |
| 559 | Cellular Immunity | 4 | 114 | 176 | 221 |
| 559 | Lung Diseases | 2 | 114 | 160 | 104 |
| 565 | Medical Oncology | 3 | 113 | 283 | 270 |
| 565 | Carcinogenesis | 5 | 113 | 165 | 307 |
| 565 | Life Sciences | 11 | 113 | 181 | 544 |
| 565 | Life Cycle Assessment | 4 | 113 | 73 | 113 |
| 569 | Biometrics | 8 | 112 | 118 | 232 |
| 569 | Thoracic Surgery | 2 | 112 | 396 | 282 |
| 571 | Patents | 6 | 110 | 40 | 51 |
| 571 | Evolutionary Biology | 3 | 110 | 709 | 858 |
| 571 | Electron Spectroscopy | 3 | 110 | 137 | 97 |
| 574 | Neurotoxins | 3 | 109 | 44 | 50 |
| 574 | Neurotoxic Agents | 3 | 109 | 44 | 50 |
| 574 | Preclinical Drug Evaluation | 7 | 109 | 46 | 101 |
| 577 | Reproductive Medicine | 6 | 108 | 172 | 265 |
| 577 | Food Analysis | 3 | 108 | 174 | 152 |
| 577 | Dairy Farming | 3 | 108 | 185 | 208 |
| 580 | Industrial Hygiene | 8 | 107 | 120 | 142 |
| 581 | Biological Evolution | 2 | 106 | 777 | 836 |
| 582 | Disability Studies | 1 | 105 | 102 | 47 |
| 582 | Cardiac Surgery | 1 | 105 | 524 | 243 |
| 582 | Medical Statistics | 9 | 105 | 72 | 195 |
| 582 | Powders | 6 | 105 | 176 | 263 |
| 586 | Biological Factors | 3 | 104 | 92 | 68 |
| 586 | Cytokines | 1 | 104 | 440 | 264 |
| 586 | Magnetic Devices | 14 | 104 | 181 | 283 |
| 586 | Magnetics | 14 | 104 | 172 | 282 |
| 590 | Vaccines | 2 | 103 | 1,124 | 898 |
| 591 | Hydrogen as Fuel | 1 | 102 | 795 | 590 |
| 591 | Hydrogen Fuel | 1 | 102 | 795 | 590 |
| 593 | Medical Physics | 5 | 101 | 567 | 678 |
| 593 | Agricultural Biotechnology | 4 | 101 | 60 | 17 |
| 595 | Crops | 3 | 100 | 33 | 18 |
| 595 | Genetically Modified Plants | 3 | 100 | 9 | 10 |
| 595 | Genetically Modified Food | 3 | 100 | 9 | 10 |
| 598 | Pineal Gland | 1 | 99 | 96 | 89 |
| 599 | Nutritional Physiological Phenomena | 4 | 98 | 678 | 992 |
| 600 | Soil Science | 4 | 96 | 344 | 421 |
| 600 | Biologicals | 5 | 96 | 12 | 13 |
| 600 | Environmental Research | 4 | 96 | 310 | 549 |
| 603 | Fluid Mechanics | 5 | 95 | 456 | 413 |
| 604 | Human Genetics | 4 | 94 | 805 | 1,190 |
| 605 | Pests | 4 | 93 | 105 | 102 |
| 605 | Agricultural Pests | 4 | 93 | 121 | 111 |
| 607 | Insect Pests | 5 | 91 | 88 | 110 |
| 607 | Economic Entomology | 5 | 91 | 73 | 85 |
| 609 | Landscape Ecology | 2 | 90 | 159 | 164 |
| 609 | Composite Materials | 5 | 90 | 486 | 754 |
| 609 | Clinical Pathology | 5 | 90 | 373 | 526 |
| 612 | Applied Mathematics | 2 | 89 | 409 | 185 |
| 612 | Bioenergetics | 3 | 89 | 131 | 195 |
| 612 | Health Policy | 6 | 89 | 361 | 645 |
| 612 | Energy Metabolism | 3 | 89 | 131 | 193 |
| 612 | Women's Health | 1 | 89 | 252 | 63 |
| 612 | Medical Policy | 6 | 89 | 253 | 515 |
| 612 | Neurological Disorder | 3 | 89 | 573 | 705 |
| 619 | Nutrition Disorders | 1 | 88 | 408 | 308 |
| 620 | Electronics | 3 | 87 | 1,432 | 1,109 |
| 620 | Allergy | 3 | 87 | 417 | 500 |
| 620 | Animal Culture | 4 | 87 | 311 | 290 |
| 620 | Contrast Media | 2 | 87 | 26 | 29 |
| 624 | Mitochondria | 1 | 86 | 129 | 86 |
| 624 | Carbon | 3 | 86 | 366 | 465 |
| 624 | Digital Computer Simulation | 4 | 86 | 164 | 264 |
| 627 | Nuclear Receptors | 1 | 85 | 12 | 12 |
| 628 | Mathematics | 12 | 84 | 700 | 1,035 |
| 628 | Radiation | 5 | 84 | 582 | 634 |
| 628 | Drug Development | 5 | 84 | 83 | 134 |
| 631 | Sleep Disorders | 2 | 83 | 473 | 396 |
| 631 | Biodiversity | 2 | 83 | 519 | 518 |
| 631 | Sleep | 2 | 83 | 504 | 420 |
| 631 | International Business Enterprises | 2 | 83 | 61 | 88 |
| 631 | Crystals | 2 | 83 | 342 | 271 |
| 631 | Plant Soil Relationships | 1 | 83 | 392 | 309 |
| 631 | Food Additive | 2 | 83 | 141 | 134 |
| 631 | Food Contaminant | 2 | 83 | 141 | 134 |
| 631 | Plant Soil Relationship | 1 | 83 | 380 | 306 |
| 640 | Clinical Trials | 3 | 82 | 155 | 156 |
| 640 | Research Design | 3 | 82 | 234 | 278 |
| 642 | Cell Interaction | 2 | 81 | 292 | 294 |
| 642 | Cell Signaling | 2 | 81 | 175 | 199 |
| 642 | Powder Technology | 6 | 81 | 131 | 264 |
| 645 | Powder | 5 | 80 | 154 | 269 |
| 646 | Semiconductors | 2 | 79 | 635 | 402 |
| 646 | Diagnostic Microbiology | 1 | 79 | 707 | 698 |
| 646 | Peptides | 7 | 79 | 84 | 161 |
| 646 | Genetic Therapy | 2 | 79 | 299 | 358 |
| 646 | Lubrication Systems | 3 | 79 | 26 | 16 |
| 651 | Hematologic Diseases | 1 | 78 | 473 | 337 |
| 651 | International Corporations | 1 | 78 | 13 | 7 |
| 653 | Atmospheric Physics | 3 | 77 | 515 | 638 |
| 653 | Soil Biology | 3 | 77 | 240 | 350 |
| 653 | Atmosphere | 3 | 77 | 521 | 686 |
| 653 | Fire | 9 | 77 | 7 | 20 |
| 653 | Fats | 16 | 77 | 18 | 50 |
| 653 | Oils | 16 | 77 | 18 | 50 |
| 653 | Brain Neoplasms | 6 | 77 | 159 | 220 |
| 653 | Neurooncology | 6 | 77 | 159 | 220 |
| 653 | Soil Biochemistry | 3 | 77 | 161 | 294 |
| 662 | Ion Channels | 2 | 76 | 23 | 20 |
| 662 | Bioenergy | 3 | 76 | 208 | 322 |
| 664 | Cell Surface Receptors | 6 | 75 | 15 | 34 |
| 664 | Nitric Oxide | 4 | 75 | 26 | 65 |
| 664 | Biological Functions of Nitric Oxide | 4 | 75 | 26 | 65 |
| 664 | Regional Blood Flow | 2 | 75 | 167 | 265 |
| 668 | Veterinary Pathology | 3 | 74 | 172 | 184 |
| 668 | Poultry | 2 | 74 | 218 | 188 |
| 668 | Digital Chemistry | 4 | 74 | 23 | 31 |
| 668 | Pharmaceutical Medicine | 6 | 74 | 12 | 18 |
| 672 | Hydrogeology | 1 | 73 | 321 | 184 |
| 672 | Conservation of Natural Resources | 3 | 73 | 877 | 1,346 |
| 674 | Sustainability | 3 | 72 | 1,388 | 1,674 |
| 674 | Computational Toxicology | 4 | 72 | 17 | 28 |
| 676 | Veterinary Immunology | 2 | 71 | 139 | 128 |
| 676 | Pharmaceutical Industry | 3 | 71 | 111 | 96 |
| 676 | Drug Industry | 3 | 71 | 108 | 99 |
| 679 | Radiobiology | 2 | 70 | 438 | 334 |
| 679 | Computer Systems | 2 | 70 | 223 | 242 |
| 681 | Automation | 2 | 69 | 538 | 557 |
| 681 | Forest Genetics | 3 | 69 | 57 | 86 |
| 681 | Trees | 3 | 69 | 210 | 242 |
| 684 | Microbial Biotechnology | 4 | 68 | 166 | 317 |
| 684 | Process Safety | 5 | 68 | 52 | 79 |
| 686 | Children | 1 | 67 | 1,267 | 792 |
| 686 | Parasitic Infectious Diseases | 4 | 67 | 227 | 348 |
| 686 | Atomic Physics | 3 | 67 | 505 | 544 |
| 686 | Pediatric Gynecology | 1 | 67 | 50 | 29 |
| 690 | Superconductors | 5 | 66 | 269 | 276 |
| 690 | Delivery of Health Care | 4 | 66 | 535 | 808 |
| 690 | X Ray Crystallography | 4 | 66 | 163 | 192 |
| 693 | Neuroimmunology | 3 | 64 | 312 | 524 |
| 693 | Protozoa | 1 | 64 | 222 | 170 |
| 693 | Protistology | 1 | 64 | 272 | 204 |
| 693 | Protozoology | 1 | 64 | 220 | 167 |
| 693 | Natural Products Chemistry | 1 | 64 | 224 | 114 |
| 698 | Pancreatic Diseases | 1 | 63 | 110 | 67 |
| 698 | Quality of Health Care | 2 | 63 | 164 | 184 |
| 698 | Cardiovascular Imaging | 2 | 63 | 71 | 103 |
| 698 | Pancreas | 1 | 63 | 110 | 67 |
| 702 | Process Control | 3 | 62 | 33 | 64 |
| 702 | Irrigation | 1 | 62 | 105 | 54 |
| 702 | Lipid | 1 | 62 | 392 | 405 |
| 702 | Atomic Spectroscopy | 1 | 62 | 280 | 187 |
| 702 | Evolution | 4 | 62 | 672 | 1,142 |
| 702 | Human Reproduction | 2 | 62 | 264 | 337 |
| 702 | Atomic Spectrometry | 1 | 62 | 403 | 295 |
| 702 | Agricultural Irrigation | 1 | 62 | 40 | 32 |
| 702 | Irrigation Management | 1 | 62 | 40 | 32 |
| 702 | Neural Transmission | 1 | 62 | 187 | 169 |
| 712 | Mental Illness | 1 | 61 | 1,033 | 936 |
| 712 | Alzheimers Disease | 4 | 61 | 501 | 688 |
| 712 | Biological Psychiatry | 1 | 61 | 615 | 726 |
| 712 | Pharmacoeconomics | 2 | 61 | 205 | 164 |
| 712 | Human Molecular Genetics | 1 | 61 | 518 | 618 |
| 717 | Biotransformation | 1 | 60 | 51 | 18 |
| 717 | Microfluidics | 1 | 60 | 415 | 419 |
| 717 | Arthritis | 3 | 60 | 217 | 438 |
| 717 | Enzymes | 3 | 60 | 225 | 281 |
| 717 | Transducers | 3 | 60 | 474 | 708 |
| 717 | Molecular Oncology | 2 | 60 | 156 | 229 |
| 717 | Microfluidic Analytical Techniques | 1 | 60 | 92 | 67 |
| 717 | Thermoplastic Composites | 1 | 60 | 59 | 29 |
| 717 | Thermoplastics | 1 | 60 | 59 | 29 |
| 726 | Alzheimer Disease | 1 | 59 | 228 | 240 |
| 726 | Atomization | 2 | 59 | 42 | 28 |
| 726 | Spraying | 2 | 59 | 42 | 28 |
| 729 | Information Systems | 3 | 58 | 593 | 412 |
| 729 | Nanobiotechnology | 1 | 58 | 217 | 265 |
| 729 | Alcoholism | 1 | 58 | 347 | 280 |
| 729 | Alcohol | 1 | 58 | 97 | 67 |
| 729 | Cell Respiration | 3 | 58 | 99 | 277 |
| 729 | Respiratory Tract | 3 | 58 | 99 | 277 |
| 735 | Geriatric Psychiatry | 1 | 57 | 441 | 348 |
| 735 | Liquid Crystals | 3 | 57 | 238 | 179 |
| 735 | Big Data | 4 | 57 | 100 | 158 |
| 735 | Prosthodontics | 1 | 57 | 106 | 88 |
| 735 | Psychogeriatrics | 1 | 57 | 222 | 193 |
| 740 | Theoretical Models | 1 | 56 | 108 | 66 |
| 740 | Biocatalysis | 2 | 56 | 77 | 95 |
| 740 | Soils | 2 | 56 | 464 | 553 |
| 740 | Brains | 1 | 56 | 400 | 368 |
| 740 | Drug Induced Abnormalities | 3 | 56 | 61 | 105 |
| 740 | Invertebrate Zoology | 2 | 56 | 22 | 17 |
| 746 | Biosensors | 3 | 55 | 389 | 689 |
| 746 | Membranes | 2 | 55 | 703 | 866 |
| 746 | Quantitative Structure Activity Relationships | 3 | 55 | 41 | 61 |
| 749 | Food Security | 1 | 53 | 198 | 220 |
| 749 | Management Accounting | 1 | 53 | 8 | 13 |
| 749 | Toxin | 3 | 53 | 334 | 492 |
| 752 | Environmental Science | 7 | 52 | 765 | 2,018 |
| 753 | Astronomy | 1 | 51 | 1,301 | 1,122 |
| 753 | Astrophysics | 1 | 51 | 1,017 | 891 |
| 753 | Industrial Management | 5 | 51 | 139 | 323 |
| 753 | Physical Metallurgy | 1 | 51 | 564 | 457 |
| 753 | Biosensing Techniques | 2 | 51 | 310 | 543 |
| 753 | Apoidea | 1 | 51 | 81 | 74 |
| 759 | Immunochemistry | 1 | 50 | 433 | 366 |
| 759 | Pathogenic Microorganisms | 2 | 50 | 565 | 867 |
| 761 | Food Science | 2 | 48 | 1,194 | 1,326 |
| 761 | Functional Genomics | 1 | 48 | 206 | 224 |
| 761 | Pain Medicine | 2 | 48 | 310 | 198 |
| 764 | Nanomedicine | 1 | 47 | 441 | 489 |
| 764 | Combinatorial Chemistry | 4 | 47 | 49 | 108 |
| 764 | Molecular Spectroscopy | 1 | 47 | 525 | 424 |
| 764 | Computers | 1 | 47 | 1,596 | 1,288 |
| 764 | Business Education | 1 | 47 | 79 | 29 |
| 764 | Mathematical Optimization | 2 | 47 | 320 | 287 |
| 764 | Laser | 2 | 47 | 223 | 251 |
| 764 | Laser Beams | 2 | 47 | 223 | 251 |
| 764 | Adverse Drug Reactions | 4 | 47 | 29 | 99 |
| 764 | Combinatorial Synthesis | 4 | 47 | 25 | 67 |
| 764 | Management Development | 1 | 47 | 9 | 7 |
| 775 | Surgery | 6 | 46 | 1,089 | 1,611 |
| 775 | Discrete Mathematics | 1 | 46 | 160 | 87 |
| 775 | Protoplasm | 1 | 46 | 157 | 135 |
| 778 | Plant Genetics | 2 | 45 | 202 | 207 |
| 778 | Nanostructured Materials | 3 | 45 | 558 | 871 |
| 778 | Echocardiography | 1 | 45 | 165 | 93 |
| 778 | Cardiovascular Ultrasound | 1 | 45 | 26 | 19 |
| 782 | Radiation Protection | 1 | 44 | 418 | 182 |
| 782 | Radiation Monitoring | 1 | 44 | 338 | 163 |
| 782 | Radiation Dosimetry | 1 | 44 | 264 | 115 |
| 782 | Wood | 1 | 44 | 195 | 127 |
| 782 | Antibiotics | 2 | 44 | 351 | 394 |
| 787 | Developmental Toxicology | 2 | 43 | 46 | 62 |
| 787 | Optical Materials | 2 | 43 | 457 | 502 |
| 787 | Virus Diseases | 1 | 43 | 847 | 780 |
| 787 | Prostate | 2 | 43 | 219 | 337 |
| 787 | Clinical Virology | 3 | 43 | 370 | 603 |
| 787 | Tropical Plants | 2 | 43 | 39 | 41 |
| 787 | Viral Diseases | 1 | 43 | 502 | 436 |
| 794 | Interventional Radiology | 1 | 42 | 352 | 251 |
| 794 | Forestry | 9 | 42 | 321 | 758 |
| 794 | Manufactured Materials | 1 | 42 | 435 | 599 |
| 794 | Female Genital Neoplasms | 2 | 42 | 263 | 218 |
| 794 | Material Chemistry | 1 | 42 | 295 | 502 |
| 799 | Environmental Engineering | 5 | 41 | 827 | 1,463 |
| 799 | Medical Imaging | 4 | 41 | 319 | 673 |
| 799 | Zeolites | 1 | 41 | 324 | 331 |
| 799 | Ore Deposits | 1 | 41 | 195 | 181 |
| 799 | Cosmetics | 1 | 41 | 124 | 86 |
| 799 | Reproductive Biology | 3 | 41 | 267 | 385 |
| 799 | Molecular Sieves | 1 | 41 | 321 | 328 |
| 799 | Quantitative Structure Activity Relationship | 2 | 41 | 22 | 37 |
| 799 | Structure Activity Relationships | 2 | 41 | 22 | 37 |
| 808 | Chemical Ecology | 3 | 40 | 112 | 233 |
| 808 | Pharmaceutical Economics | 1 | 40 | 62 | 27 |
| 808 | Viral Immunology | 1 | 40 | 102 | 94 |
| 811 | Photonics | 2 | 39 | 1,098 | 1,242 |
| 811 | Radiochemistry | 4 | 39 | 260 | 296 |
| 811 | Drying | 1 | 39 | 130 | 112 |
| 811 | Risk Factors | 3 | 39 | 105 | 244 |
| 811 | Biological Control | 1 | 39 | 161 | 181 |
| 811 | Neuroradiology | 2 | 39 | 257 | 310 |
| 811 | Desiccation | 1 | 39 | 130 | 112 |
| 818 | Genetic Algorithms | 1 | 38 | 68 | 84 |
| 818 | Evolutionary Computation | 1 | 38 | 117 | 144 |
| 818 | Cell Ultrastructure | 2 | 38 | 231 | 390 |
| 821 | Learning | 1 | 37 | 229 | 246 |
| 821 | Memory | 1 | 37 | 196 | 237 |
| 821 | Optical Devices | 1 | 37 | 197 | 150 |
| 821 | Medical Electronics | 2 | 37 | 527 | 575 |
| 821 | Computational Physics | 3 | 37 | 316 | 500 |
| 821 | Gene Regulation | 3 | 37 | 125 | 280 |
| 827 | Petroleum Engineering | 1 | 36 | 477 | 351 |
| 827 | Petroleum | 1 | 36 | 555 | 502 |
| 827 | Heterocyclic Compounds | 6 | 36 | 128 | 216 |
| 827 | Breast Neoplasms | 2 | 36 | 419 | 658 |
| 827 | Breast | 2 | 36 | 395 | 623 |
| 827 | Psychoneuroendocrinology | 1 | 36 | 322 | 391 |
| 827 | Elastomers | 7 | 36 | 8 | 25 |
| 834 | Economics | 1 | 35 | 1,877 | 1,520 |
| 834 | Emergency Medicine | 1 | 35 | 1,091 | 793 |
| 834 | Genes | 1 | 35 | 469 | 513 |
| 834 | Vascular Medicine | 4 | 35 | 55 | 105 |
| 834 | Elastomer | 6 | 35 | 7 | 25 |
| 834 | Superconducting Materials | 1 | 35 | 253 | 206 |
| 840 | Thermochemistry | 2 | 34 | 135 | 181 |
| 840 | Central Nervous System | 3 | 34 | 389 | 788 |
| 840 | Textile Science | 1 | 34 | 12 | 5 |
| 840 | Laboratory Techniques | 1 | 34 | 275 | 258 |
| 840 | Organic Solid State Chemistry | 1 | 34 | 203 | 212 |
| 845 | Urologic Oncology | 3 | 33 | 204 | 323 |
| 845 | Molecular Models | 1 | 33 | 301 | 214 |
| 845 | Biological Pest Control | 1 | 33 | 175 | 154 |
| 848 | Occupational Health | 4 | 32 | 247 | 459 |
| 848 | Microbial Ecology | 2 | 32 | 610 | 1,057 |
| 848 | Mathematical Statistics | 2 | 32 | 543 | 594 |
| 848 | Nanomaterials | 2 | 32 | 495 | 673 |
| 848 | Chemotaxonomy | 1 | 32 | 164 | 134 |
| 853 | Chemical Analysis | 6 | 31 | 189 | 545 |
| 853 | Anesthesia | 5 | 31 | 70 | 177 |
| 853 | Pattern Recognition | 1 | 31 | 485 | 506 |
| 853 | Communicable Disease Control | 1 | 31 | 419 | 548 |
| 853 | Textile Dyeing | 2 | 31 | 7 | 11 |
| 853 | Grain | 4 | 31 | 63 | 122 |
| 853 | Lung Cancer | 1 | 31 | 337 | 447 |
| 853 | Visual Pattern Recognition | 1 | 31 | 243 | 334 |
| 861 | Teratology | 3 | 30 | 103 | 215 |
| 861 | Manufacturing Processes | 3 | 30 | 628 | 942 |
| 861 | Production Engineering | 4 | 30 | 372 | 617 |
| 861 | Nuclear Chemistry | 1 | 30 | 480 | 342 |
| 861 | Soil Conservation | 2 | 30 | 223 | 344 |
| 861 | Soil Pollution | 2 | 30 | 158 | 210 |
| 861 | Soil Protection | 2 | 30 | 161 | 212 |
| 861 | Radiochemical Analysis | 1 | 30 | 424 | 292 |
| 869 | Preventive Medicine | 4 | 29 | 352 | 838 |
| 869 | Mass Transfer | 3 | 29 | 379 | 664 |
| 869 | Statistical Methodology | 1 | 29 | 339 | 367 |
| 869 | Insects as Carriers of Disease | 1 | 29 | 210 | 195 |
| 869 | Medical Entomology | 1 | 29 | 210 | 195 |
| 874 | Radiation Oncology | 1 | 28 | 748 | 733 |
| 874 | Epilepsy | 1 | 28 | 590 | 647 |
| 874 | Radiotherapy | 1 | 28 | 468 | 541 |
| 874 | Biochemical Markers | 1 | 28 | 227 | 272 |
| 874 | Plant Nutrition | 1 | 28 | 164 | 149 |
| 874 | Nutrients | 1 | 28 | 94 | 104 |
| 880 | Optoelectronics | 1 | 27 | 401 | 333 |
| 880 | Quantum Electronics | 1 | 27 | 746 | 688 |
| 880 | Food Microbiology | 1 | 27 | 400 | 558 |
| 880 | Quality Control | 5 | 27 | 95 | 205 |
| 880 | Lasers | 1 | 27 | 939 | 848 |
| 880 | Mineral Processing | 1 | 27 | 76 | 90 |
| 886 | Histochemistry | 3 | 26 | 227 | 513 |
| 886 | Biomarkers | 2 | 26 | 138 | 253 |
| 886 | Culture Techniques | 3 | 26 | 93 | 176 |
| 886 | Birds | 1 | 26 | 572 | 520 |
| 886 | Primates | 2 | 26 | 247 | 336 |
| 886 | Primatology | 2 | 26 | 195 | 262 |
| 886 | Cytological Techniques | 2 | 26 | 159 | 220 |
| 886 | Molecular Crystals | 1 | 26 | 285 | 166 |
| 886 | Microbiological Techniques | 1 | 26 | 375 | 431 |
| 886 | Primate | 2 | 26 | 180 | 255 |
| 886 | Antiviral Drug | 3 | 26 | 34 | 67 |
| 886 | Avian Pathology | 1 | 26 | 94 | 114 |
| 886 | Bird Diseases | 1 | 26 | 94 | 114 |
| 886 | Edible Grain | 3 | 26 | 58 | 114 |
| 886 | Mineral Economics | 1 | 26 | 16 | 29 |
| 886 | Poultry Diseases | 1 | 26 | 106 | 114 |
| 902 | Measurement | 2 | 25 | 1,072 | 1,618 |
| 902 | Granular Materials | 1 | 25 | 227 | 251 |
| 902 | Vascular Surgery | 6 | 25 | 210 | 552 |
| 902 | Cardiothoracic Surgery | 1 | 25 | 261 | 236 |
| 902 | Infectious Disease | 1 | 25 | 1,312 | 1,233 |
| 902 | Sensor | 2 | 25 | 1,094 | 1,644 |
| 902 | Pathogenesis | 1 | 25 | 268 | 297 |
| 909 | Nuclear Physics | 1 | 24 | 1,208 | 1,062 |
| 909 | Particle Physics | 1 | 24 | 1,017 | 985 |
| 909 | Corrosion | 5 | 24 | 264 | 633 |
| 909 | Instrumentation | 1 | 24 | 803 | 657 |
| 909 | Agricultural Meteorology | 1 | 24 | 288 | 375 |
| 909 | Pediatric Infectious Diseases | 1 | 24 | 291 | 306 |
| 909 | Artificial Membranes | 1 | 24 | 420 | 567 |
| 909 | Forest Meteorology | 1 | 24 | 272 | 370 |
| 917 | Quantum Theory | 2 | 23 | 208 | 307 |
| 917 | Venom | 1 | 23 | 331 | 405 |
| 917 | Toxins | 1 | 23 | 360 | 429 |
| 917 | Theoretical Chemistry | 3 | 23 | 242 | 408 |
| 917 | Biological Toxins | 1 | 23 | 345 | 420 |
| 917 | Dosage Forms | 2 | 23 | 94 | 204 |
| 923 | Geriatrics | 1 | 22 | 1,485 | 1,548 |
| 923 | Epigenetics | 1 | 22 | 388 | 526 |
| 923 | Biomass Energy | 1 | 22 | 645 | 798 |
| 923 | Research Methodology | 4 | 22 | 92 | 378 |
| 923 | Data Analysis | 1 | 22 | 221 | 200 |
| 923 | Classification | 1 | 22 | 94 | 49 |
| 923 | Biomass | 1 | 22 | 322 | 466 |
| 923 | Synthesis | 2 | 22 | 216 | 262 |
| 923 | Thermal Analysis | 3 | 22 | 199 | 368 |
| 923 | Laboratory Animals | 2 | 22 | 178 | 269 |
| 923 | Mathematical Methods | 2 | 22 | 310 | 385 |
| 923 | Genetic Epigenesis | 1 | 22 | 376 | 529 |
| 923 | Biological Transport | 1 | 22 | 189 | 295 |
| 923 | Epigenesis | 1 | 22 | 375 | 529 |
| 923 | Laboratory Animal | 1 | 22 | 123 | 147 |
| 923 | Plant Genomics | 3 | 22 | 86 | 141 |
| 939 | Precision Medicine | 1 | 21 | 160 | 178 |
| 939 | Adhesion | 1 | 21 | 282 | 337 |
| 939 | Autoimmunity | 1 | 21 | 350 | 519 |
| 939 | Inflammation | 1 | 21 | 480 | 694 |
| 939 | Forest Management | 2 | 21 | 324 | 512 |
| 939 | Plasma Spraying | 1 | 21 | 132 | 173 |
| 939 | Mutagens | 2 | 21 | 110 | 220 |
| 939 | Adhesives | 1 | 21 | 303 | 342 |
| 939 | Intermetallic Compounds | 1 | 21 | 201 | 239 |
| 939 | Metal Spraying | 1 | 21 | 132 | 173 |
| 939 | Mutagenicity Testing | 2 | 21 | 85 | 204 |
| 950 | Cytoskeleton | 1 | 20 | 89 | 139 |
| 950 | Cell Movement | 1 | 20 | 84 | 151 |
| 950 | Bone Diseases | 1 | 20 | 419 | 602 |
| 950 | Bones | 1 | 20 | 623 | 841 |
| 950 | Health Informatics | 4 | 20 | 323 | 1,076 |
| 950 | Central Nervous System Diseases | 2 | 20 | 307 | 618 |
| 950 | Quantum Information | 1 | 20 | 197 | 210 |
| 950 | Precision Agriculture | 1 | 20 | 61 | 106 |
| 950 | Osteology | 1 | 20 | 434 | 611 |
| 950 | Bone | 1 | 20 | 602 | 844 |
| 950 | Metabolic Bone Diseases | 1 | 20 | 361 | 552 |
| 961 | Software Engineering | 2 | 19 | 603 | 778 |
| 961 | Engineering Mathematics | 1 | 19 | 548 | 550 |
| 961 | Nanostructures | 1 | 19 | 663 | 813 |
| 961 | Photovoltaic Cells | 2 | 19 | 97 | 235 |
| 961 | Microstructure | 1 | 19 | 267 | 241 |
| 961 | Paint | 2 | 19 | 17 | 29 |
| 961 | Prostaglandins | 4 | 19 | 88 | 242 |
| 961 | Heat Transfer | 2 | 19 | 416 | 688 |
| 961 | Fuel | 2 | 19 | 674 | 1,117 |
| 961 | Measurement Technology | 10 | 19 | 65 | 490 |
| 961 | Phosphorus Chemistry | 6 | 19 | 11 | 23 |
| 961 | Superlattices as Materials | 1 | 19 | 253 | 233 |
| 961 | Metabolomics | 1 | 19 | 347 | 430 |
| 961 | Sulfur Chemistry | 6 | 19 | 11 | 23 |
| 975 | Geography | 1 | 18 | 1,056 | 1,236 |
| 975 | Biogeography | 1 | 18 | 451 | 627 |
| 975 | Food Safety | 5 | 18 | 142 | 486 |
| 975 | Animal Nutrition | 5 | 18 | 53 | 147 |
| 975 | Infrared Radiation | 1 | 18 | 288 | 294 |
| 975 | Water Resources Development | 3 | 18 | 374 | 787 |
| 975 | Carbohydrate Chemistry | 1 | 18 | 524 | 803 |
| 975 | Infrared Spectra | 1 | 18 | 240 | 262 |
| 975 | Ethnopharmacology | 1 | 18 | 382 | 576 |
| 984 | Microscopy | 3 | 17 | 482 | 874 |
| 984 | Biomathematics | 3 | 17 | 201 | 418 |
| 984 | Vector-Borne Diseases | 2 | 17 | 28 | 37 |
| 984 | Magnetic Resonance Angiography | 2 | 17 | 88 | 162 |
| 984 | Solid State Ionics | 1 | 17 | 329 | 407 |
| 989 | Agricultural Engineering | 3 | 16 | 104 | 284 |
| 989 | Nutrition Physiology | 3 | 16 | 102 | 380 |
| 989 | Diffusion | 1 | 16 | 114 | 57 |
| 989 | Quantum Communication | 1 | 16 | 138 | 181 |
| 989 | Digital Economy | 1 | 16 | 5 | 8 |
| 989 | Pathogenic Fungi | 4 | 16 | 124 | 367 |
| 989 | Quantum Computers | 1 | 16 | 213 | 241 |
| 989 | Neuropediatrics | 1 | 16 | 143 | 196 |
| 989 | Scleroderma | 1 | 16 | 26 | 27 |
| 989 | Systemic Scleroderma | 1 | 16 | 26 | 27 |
| 999 | Cellular Senescence | 1 | 15 | 258 | 460 |
| 999 | Biodegradation | 1 | 15 | 289 | 469 |