| 1 | Biochemistry | 351 | 11.0K | 25 | 61 |
| 2 | Science | 134 | 9.3K | 87 | 146 |
| 3 | Microbiology | 322 | 9.1K | 17 | 37 |
| 4 | Molecular Biology | 163 | 7.3K | 54 | 113 |
| 5 | Medicine | 139 | 6.0K | 84 | 129 |
| 6 | Biotechnology | 217 | 5.9K | 13 | 40 |
| 7 | Virology | 113 | 4.3K | 20 | 130 |
| 8 | Research | 114 | 3.9K | 66 | 103 |
| 9 | Mycology | 73 | 3.8K | 9 | 12 |
| 10 | Fungi | 65 | 3.6K | 8 | 10 |
| 11 | Biology | 82 | 3.5K | 257 | 455 |
| 12 | Aquaculture | 91 | 3.0K | 6 | 7 |
| 13 | Pharmacognosy | 99 | 2.8K | 6 | 8 |
| 14 | Botany | 64 | 2.7K | 163 | 202 |
| 15 | Developmental Immunology | 48 | 2.6K | 3 | 2 |
| 16 | Biomedical Engineering | 64 | 2.5K | 24 | 27 |
| 17 | Bioengineering | 81 | 2.3K | 17 | 71 |
| 18 | natural products | 76 | 2.3K | 10 | 12 |
| 19 | Vaccines | 56 | 2.0K | 15 | 14 |
| 20 | Biophysics | 90 | 2.0K | 41 | 79 |
| 21 | Chemistry | 64 | 1.9K | 761 | 1006 |
| 22 | viruses | 22 | 1.8K | 30 | 23 |
| 23 | Technology | 39 | 1.7K | 78 | 82 |
| 24 | Immunity | 28 | 1.7K | 33 | 78 |
| 25 | Cytology | 36 | 1.6K | 140 | 428 |
| 26 | Cell Biology | 34 | 1.6K | 175 | 500 |
| 27 | Pharmaceutical Chemistry | 51 | 1.6K | 41 | 55 |
| 28 | Immunology | 63 | 1.6K | 49 | 200 |
| 29 | Pharmacology | 41 | 1.5K | 164 | 186 |
| 30 | Biomass Energy | 30 | 1.3K | 24 | 25 |
| 31 | Environment | 28 | 1.3K | 186 | 498 |
| 32 | Biochemical Engineering | 64 | 1.2K | 16 | 95 |
| 33 | Computational Biology | 19 | 1.2K | 71 | 82 |
| 34 | Bioinformatics | 15 | 1.0K | 53 | 59 |
| 35 | Physics | 12 | 1.0K | 730 | 882 |
| 36 | Host-parasite interactions | 16 | 1.0K | 24 | 40 |
| 37 | Food | 22 | 1.0K | 99 | 76 |
| 38 | Ecology | 27 | 971 | 639 | 956 |
| 39 | Virulence | 13 | 941 | 31 | 38 |
| 40 | Cancer | 12 | 921 | 440 | 308 |
| 41 | Industrial Microbiology | 49 | 920 | 10 | 27 |
| 42 | food technology | 28 | 859 | 94 | 101 |
| 43 | plant molecular biology | 12 | 839 | 168 | 173 |
| 44 | Plant genetic engineering | 20 | 828 | 40 | 80 |
| 45 | Genetics | 34 | 821 | 87 | 273 |
| 46 | Genetic engineering | 26 | 816 | 19 | 46 |
| 46 | proteins | 32 | 816 | 23 | 52 |
| 48 | Microorganisms | 64 | 801 | 11 | 27 |
| 49 | Proteomics | 23 | 763 | 10 | 18 |
| 50 | genome | 13 | 751 | 50 | 82 |
| 51 | biological factors | 39 | 742 | 11 | 32 |
| 52 | Microbial Ecology | 17 | 677 | 75 | 120 |
| 53 | Japan | 34 | 672 | 17 | 15 |
| 54 | Genomics | 36 | 667 | 35 | 98 |
| 55 | Analytical Biochemistry | 23 | 640 | 9 | 20 |
| 56 | Bacteriology | 21 | 632 | 79 | 246 |
| 57 | Transgenic plants | 13 | 612 | 9 | 11 |
| 58 | Marine Biology | 15 | 609 | 56 | 52 |
| 59 | Plants | 13 | 601 | 208 | 289 |
| 60 | Public Health | 4 | 598 | 1234 | 417 |
| 61 | Electrophoresis | 25 | 591 | 53 | 41 |
| 62 | Plant physiology | 22 | 589 | 48 | 140 |
| 63 | Plant tissue culture | 15 | 578 | 8 | 11 |
| 63 | Plant cell culture | 15 | 578 | 8 | 11 |
| 65 | Marine Biotechnology | 14 | 573 | 5 | 5 |
| 66 | United Kingdom | 6 | 568 | 91 | 46 |
| 67 | gene mapping | 26 | 558 | 28 | 94 |
| 68 | Molecular structure | 13 | 542 | 106 | 120 |
| 69 | Toxicology | 16 | 521 | 218 | 239 |
| 70 | Organic Chemistry | 14 | 518 | 90 | 89 |
| 71 | Analytical Chemistry | 17 | 505 | 122 | 150 |
| 72 | Plant breeding | 11 | 492 | 19 | 13 |
| 73 | Chromosome mapping | 22 | 484 | 27 | 69 |
| 74 | nucleic acids | 11 | 480 | 69 | 140 |
| 74 | Genetic therapy | 7 | 480 | 39 | 36 |
| 76 | antibiotics | 24 | 478 | 5 | 7 |
| 77 | Oncogenes | 3 | 469 | 93 | 53 |
| 78 | protein | 16 | 467 | 45 | 82 |
| 79 | Proteome | 8 | 457 | 45 | 45 |
| 80 | mycoses | 16 | 443 | 13 | 36 |
| 81 | Parasitology | 23 | 433 | 33 | 47 |
| 82 | Nutrition | 5 | 410 | 864 | 384 |
| 83 | Physiology | 9 | 409 | 719 | 601 |
| 84 | Food Microbiology | 9 | 400 | 125 | 144 |
| 85 | Human genetics | 6 | 390 | 204 | 572 |
| 86 | starch | 18 | 389 | 4 | 10 |
| 87 | Plant Biotechnology | 15 | 385 | 52 | 183 |
| 88 | water reuse | 2 | 383 | 16 | 2 |
| 89 | Agricultural Chemistry | 13 | 381 | 57 | 62 |
| 90 | Microbial Biotechnology | 16 | 375 | 11 | 23 |
| 91 | Bioorganic chemistry | 11 | 359 | 84 | 127 |
| 92 | Breeding | 7 | 358 | 68 | 33 |
| 93 | Colloids | 9 | 354 | 144 | 154 |
| 94 | venom | 7 | 352 | 21 | 11 |
| 94 | Toxins | 7 | 352 | 24 | 13 |
| 96 | Natural history | 4 | 351 | 434 | 1140 |
| 97 | gene therapy | 5 | 349 | 44 | 49 |
| 97 | peptides | 22 | 349 | 7 | 19 |
| 99 | Liver diseases | 4 | 345 | 328 | 242 |
| 100 | Medical Laboratory Science | 25 | 337 | 16 | 58 |
| 101 | Recombinant DNA | 14 | 335 | 22 | 38 |
| 102 | Diet | 2 | 331 | 400 | 152 |
| 103 | Allergy | 2 | 323 | 142 | 133 |
| 104 | Molecular cloning | 13 | 316 | 21 | 37 |
| 104 | Genetic recombination | 13 | 316 | 21 | 37 |
| 106 | Plant cells | 3 | 308 | 740 | 553 |
| 107 | Clinical Chemistry | 13 | 283 | 63 | 154 |
| 108 | Quality Control | 7 | 282 | 122 | 69 |
| 109 | Invertebrates | 8 | 278 | 17 | 19 |
| 110 | enzymes | 6 | 275 | 52 | 49 |
| 111 | Parasites | 13 | 269 | 27 | 39 |
| 112 | transgenic organisms | 7 | 266 | 5 | 5 |
| 112 | transgenic animals | 7 | 266 | 5 | 5 |
| 114 | Mass Spectrometry | 13 | 256 | 51 | 98 |
| 115 | Parasitic Diseases | 13 | 255 | 37 | 59 |
| 116 | Biosensors | 5 | 254 | 40 | 61 |
| 116 | Bioelectronics | 5 | 254 | 35 | 58 |
| 118 | Hematology | 14 | 253 | 385 | 632 |
| 118 | environmental pollution | 10 | 253 | 240 | 368 |
| 120 | biofuels | 4 | 237 | 17 | 20 |
| 121 | Immunochemistry | 11 | 233 | 11 | 17 |
| 122 | Systems Biology | 3 | 230 | 182 | 81 |
| 123 | food handling | 5 | 228 | 49 | 27 |
| 124 | Immune system | 9 | 225 | 44 | 225 |
| 125 | Plant Genetics | 5 | 220 | 31 | 42 |
| 126 | Gene expression regulation | 9 | 216 | 35 | 99 |
| 126 | Genetic regulation | 9 | 216 | 43 | 213 |
| 128 | Signal Transduction | 11 | 214 | 28 | 83 |
| 129 | Immunotherapy | 9 | 210 | 44 | 185 |
| 129 | Food additives | 5 | 210 | 41 | 47 |
| 131 | Nanotechnology | 8 | 201 | 1336 | 2312 |
| 131 | Enzyme | 5 | 201 | 10 | 17 |
| 133 | cell physiology | 2 | 200 | 872 | 431 |
| 134 | Molecular evolution | 4 | 197 | 136 | 134 |
| 134 | cytokines | 11 | 197 | 12 | 40 |
| 134 | biological evolution | 3 | 197 | 481 | 410 |
| 137 | hydrocolloids | 4 | 192 | 22 | 27 |
| 138 | Molecular Genetics | 9 | 191 | 322 | 729 |
| 139 | Comparative Physiology | 3 | 177 | 30 | 22 |
| 140 | Immunopharmacology | 6 | 176 | 15 | 22 |
| 141 | Plant Ecology | 4 | 174 | 504 | 615 |
| 142 | animal diseases | 8 | 173 | 9 | 16 |
| 143 | Neurology | 4 | 166 | 2326 | 2790 |
| 144 | Endocrinology | 6 | 162 | 256 | 645 |
| 145 | Chemical Engineering | 13 | 160 | 444 | 1248 |
| 145 | Environmental monitoring | 10 | 160 | 156 | 343 |
| 147 | Neurochemistry | 3 | 157 | 663 | 702 |
| 148 | Surface Chemistry | 4 | 155 | 356 | 313 |
| 148 | Pollution | 8 | 155 | 634 | 2216 |
| 150 | Medical Microbiology | 8 | 154 | 87 | 233 |
| 151 | Plant diseases | 14 | 152 | 61 | 150 |
| 152 | Pathology | 3 | 149 | 827 | 879 |
| 153 | Drug design | 8 | 148 | 64 | 164 |
| 154 | Nanostructured Materials | 3 | 146 | 2871 | 2681 |
| 155 | Fishery management | 10 | 144 | 66 | 145 |
| 156 | Serology | 10 | 140 | 11 | 22 |
| 157 | Ethnology | 6 | 138 | 72 | 98 |
| 157 | Tropical Medicine | 7 | 138 | 245 | 210 |
| 159 | Plant hormones | 2 | 136 | 23 | 18 |
| 159 | Brain | 3 | 136 | 297 | 368 |
| 161 | Materials | 4 | 135 | 3274 | 5060 |
| 162 | Pharmacogenetics | 2 | 131 | 111 | 120 |
| 162 | actuators | 3 | 131 | 130 | 118 |
| 162 | Therapeutics | 2 | 131 | 1167 | 1156 |
| 162 | transducers | 3 | 131 | 130 | 118 |
| 166 | Environmental Microbiology | 4 | 129 | 327 | 655 |
| 167 | nanoscience | 1 | 128 | 598 | 406 |
| 168 | Vaccination | 2 | 125 | 18 | 12 |
| 169 | Biocompatible Materials | 5 | 124 | 539 | 992 |
| 170 | Oncology | 6 | 121 | 414 | 1065 |
| 170 | food industry | 7 | 121 | 6 | 13 |
| 172 | Neuropsychology | 2 | 119 | 363 | 278 |
| 173 | Pharmacy | 5 | 117 | 321 | 318 |
| 174 | Molecular ecology | 3 | 111 | 899 | 1284 |
| 175 | Malaria | 9 | 108 | 26 | 57 |
| 176 | Polymers | 7 | 107 | 1416 | 1901 |
| 177 | Enzyme inhibitors | 5 | 105 | 7 | 13 |
| 178 | Renewable Energy Sources | 4 | 103 | 183 | 372 |
| 179 | Biodiversity conservation | 2 | 102 | 1511 | 2343 |
| 180 | Spectrum analysis | 8 | 98 | 231 | 513 |
| 181 | Microbial Genetics | 4 | 97 | 19 | 34 |
| 182 | Biodiversity | 5 | 96 | 471 | 721 |
| 183 | coal | 1 | 95 | 122 | 70 |
| 184 | Radiation effects | 1 | 93 | 60 | 37 |
| 185 | Andrology | 2 | 91 | 412 | 323 |
| 185 | Neurophysiology | 2 | 91 | 645 | 906 |
| 185 | Yeast | 8 | 91 | 12 | 59 |
| 188 | Inflammation | 3 | 90 | 84 | 163 |
| 189 | Photochemistry | 2 | 89 | 400 | 285 |
| 189 | Light | 2 | 89 | 331 | 286 |
| 191 | Medical innovations | 1 | 88 | 189 | 261 |
| 191 | drug development | 1 | 88 | 361 | 273 |
| 193 | Medical genetics | 8 | 87 | 916 | 3842 |
| 194 | phytopathogenic bacteria | 2 | 86 | 23 | 32 |
| 195 | Insect biochemistry | 2 | 85 | 71 | 47 |
| 196 | Lipids | 4 | 82 | 105 | 268 |
| 197 | polymerization | 5 | 81 | 1410 | 1644 |
| 198 | Bacterial infections | 2 | 80 | 152 | 175 |
| 199 | Chromatography | 15 | 79 | 79 | 438 |
| 199 | free radicals | 2 | 79 | 157 | 243 |
| 199 | Chromatographic analysis | 15 | 79 | 115 | 522 |
| 199 | Genes | 3 | 79 | 127 | 164 |
| 203 | monoclonal antibodies | 4 | 78 | 5 | 7 |
| 204 | DNS | 2 | 77 | 30 | 32 |
| 205 | Water pollution | 4 | 75 | 167 | 314 |
| 206 | Animal genetics | 2 | 73 | 181 | 145 |
| 207 | Biochemical Genetics | 5 | 72 | 12 | 18 |
| 207 | Agriculture | 5 | 72 | 370 | 1181 |
| 209 | Environmental Engineering | 4 | 65 | 386 | 808 |
| 209 | Environmental Health | 9 | 65 | 305 | 1270 |
| 209 | Alternative Medicine | 5 | 65 | 62 | 250 |
| 209 | complementary therapies | 5 | 65 | 77 | 273 |
| 213 | Plastics | 1 | 64 | 1265 | 571 |
| 214 | Materials Science | 1 | 63 | 3447 | 2320 |
| 214 | Metabolism | 3 | 63 | 1037 | 2082 |
| 214 | Surface-Active Agents | 2 | 63 | 67 | 120 |
| 214 | Metabolic diseases | 3 | 63 | 624 | 1343 |
| 214 | Surface properties | 2 | 63 | 71 | 133 |
| 219 | Reproduction | 2 | 62 | 938 | 985 |
| 220 | disease vectors | 4 | 61 | 40 | 81 |
| 221 | Forensic Genetics | 2 | 59 | 30 | 26 |
| 221 | Environmental Management | 2 | 59 | 457 | 671 |
| 221 | Insects | 1 | 59 | 652 | 324 |
| 224 | Histology | 4 | 57 | 256 | 981 |
| 225 | Food Safety | 2 | 56 | 119 | 102 |
| 225 | Horticulture | 6 | 56 | 30 | 102 |
| 227 | Soil biology | 1 | 54 | 98 | 125 |
| 227 | Soil fertility | 1 | 54 | 34 | 35 |
| 227 | foods | 2 | 54 | 85 | 82 |
| 227 | Soil ecology | 1 | 54 | 71 | 71 |
| 231 | Developmental Biology | 5 | 53 | 563 | 1775 |
| 231 | Antibodies | 6 | 53 | 15 | 62 |
| 231 | Antigens | 6 | 53 | 20 | 131 |
| 231 | Fluorescence | 4 | 53 | 8 | 21 |
| 235 | Statistics | 1 | 52 | 2215 | 1066 |
| 235 | Visual Perception | 7 | 52 | 596 | 2905 |
| 235 | Memory | 7 | 52 | 613 | 2926 |
| 235 | amino acids | 3 | 52 | 18 | 49 |
| 235 | Attention | 7 | 52 | 600 | 2916 |
| 235 | Perception | 7 | 52 | 606 | 2914 |
| 241 | Genetic disorders | 2 | 51 | 513 | 805 |
| 241 | Health | 2 | 51 | 1083 | 1551 |
| 241 | scientific societies | 2 | 51 | 538 | 842 |
| 244 | Crop Science | 3 | 50 | 3 | 4 |
| 244 | Solid State Physics | 1 | 50 | 1516 | 658 |
| 244 | Clinical Biochemistry | 4 | 50 | 54 | 146 |
| 247 | Environmental Policy | 1 | 49 | 702 | 718 |
| 247 | Interferons | 6 | 49 | 4 | 23 |
| 247 | Cytokine | 6 | 49 | 4 | 64 |
| 250 | Oxidative stress | 3 | 48 | 64 | 205 |
| 250 | Cell survival | 3 | 48 | 8 | 31 |
| 250 | molecular chaperones | 3 | 48 | 10 | 31 |
| 253 | Immunopathology | 2 | 47 | 228 | 690 |
| 253 | Autoantibodies | 3 | 47 | 12 | 64 |
| 253 | Autoimmunity | 3 | 47 | 24 | 124 |
| 253 | Androgens | 1 | 47 | 44 | 43 |
| 253 | Autoimmune diseases | 3 | 47 | 16 | 76 |
| 258 | Zoology | 3 | 46 | 901 | 1506 |
| 258 | Forensic Toxicology | 1 | 46 | 13 | 6 |
| 258 | Physical organic chemistry | 3 | 46 | 170 | 203 |
| 258 | Water | 2 | 46 | 1114 | 1986 |
| 258 | Medicinal plants | 3 | 46 | 65 | 176 |
| 258 | drugs | 4 | 46 | 565 | 1555 |
| 258 | silicon | 5 | 46 | 7 | 12 |
| 265 | glycoproteins | 3 | 44 | 23 | 83 |
| 265 | Glycoconjugates | 3 | 44 | 23 | 83 |
| 265 | Oligosaccharide | 2 | 44 | 23 | 65 |
| 265 | Carbohydrates | 2 | 44 | 32 | 75 |
| 265 | glycolipids | 3 | 44 | 23 | 83 |
| 270 | Molecular Microbiology | 2 | 43 | 435 | 967 |
| 271 | Jurisprudence | 3 | 41 | 170 | 244 |
| 271 | Phylogeny | 3 | 41 | 62 | 171 |
| 273 | Evolutionary Genetics | 2 | 40 | 48 | 79 |
| 273 | Molecular Epidemiology | 2 | 40 | 48 | 79 |
| 273 | Population Genetics | 2 | 40 | 974 | 2184 |
| 276 | Epidemiology | 1 | 39 | 2010 | 1984 |
| 276 | Emerging infectious diseases | 1 | 39 | 31 | 47 |
| 276 | Waste management | 2 | 39 | 100 | 166 |
| 276 | Cardiovascular diseases | 1 | 39 | 273 | 313 |
| 280 | Optical materials | 1 | 38 | 5645 | 7590 |
| 281 | Magnetic Resonance Imaging | 1 | 37 | 111 | 161 |
| 281 | Combinatorial chemistry | 4 | 37 | 38 | 197 |
| 281 | Diagnostic Imaging | 1 | 37 | 608 | 682 |
| 281 | Biogeochemistry | 2 | 37 | 70 | 154 |
| 281 | Evidence-Based Medicine | 1 | 37 | 354 | 421 |
| 281 | bees | 4 | 37 | 12 | 29 |
| 287 | Plant Morphology | 1 | 36 | 42 | 43 |
| 287 | soil microbiology | 3 | 36 | 90 | 310 |
| 287 | mammals | 1 | 36 | 187 | 241 |
| 287 | freshwater biology | 1 | 36 | 549 | 549 |
| 291 | Food Preservation | 2 | 34 | 465 | 559 |
| 291 | Natural resources | 2 | 34 | 97 | 173 |
| 293 | Neurotoxicology | 2 | 32 | 46 | 107 |
| 293 | Asia | 3 | 32 | 602 | 1072 |
| 295 | histological techniques | 1 | 31 | 87 | 236 |
| 295 | Neurons | 1 | 31 | 329 | 774 |
| 295 | Microscopy | 2 | 31 | 398 | 613 |
| 295 | DNA | 3 | 31 | 66 | 272 |
| 299 | Chemical industry | 5 | 30 | 178 | 744 |
| 299 | biomedicine | 2 | 30 | 79 | 236 |
| 301 | Municipal Engineering | 1 | 29 | 28 | 32 |
| 302 | Neuroimmunology | 1 | 28 | 126 | 218 |
| 302 | Neuropharmacology | 1 | 28 | 205 | 218 |
| 302 | Crystallography | 3 | 28 | 78 | 120 |
| 302 | X-ray crystallography | 3 | 28 | 41 | 66 |
| 302 | Evolution | 2 | 28 | 1095 | 2463 |
| 307 | Nanostructures | 1 | 27 | 342 | 416 |
| 307 | Reproductive toxicology | 1 | 27 | 92 | 134 |
| 309 | reforestation | 1 | 26 | 15 | 20 |
| 309 | afforestation | 1 | 26 | 15 | 20 |
| 309 | Protein engineering | 1 | 26 | 22 | 40 |
| 309 | molecular design | 1 | 26 | 20 | 37 |
| 313 | Pharmaceutical Technology | 2 | 25 | 673 | 1135 |
| 313 | Pharmacokinetics | 2 | 25 | 71 | 194 |
| 313 | Biological Systems | 1 | 25 | 91 | 128 |
| 313 | Methodology | 6 | 25 | 11 | 46 |
| 313 | Methods | 6 | 25 | 2 | 11 |
| 318 | Biomass | 1 | 24 | 61 | 106 |
| 318 | Structure-activity relationship | 2 | 24 | 24 | 63 |
| 318 | Spain | 1 | 24 | 50 | 38 |
| 321 | Organometallic chemistry | 1 | 23 | 1790 | 1595 |
| 321 | visualization | 2 | 23 | 714 | 612 |
| 323 | Seaweed | 1 | 22 | 367 | 497 |
| 323 | Entomology | 2 | 22 | 909 | 1479 |
| 323 | Mites | 2 | 22 | 28 | 36 |
| 323 | Marine algae | 1 | 22 | 10 | 15 |
| 327 | Veterinary Immunology | 1 | 21 | 32 | 58 |
| 327 | environmental protection | 2 | 21 | 756 | 2045 |
| 327 | Bioremediation | 1 | 21 | 237 | 320 |
| 327 | Biodegradation | 1 | 21 | 51 | 96 |
| 327 | Diagnostic microbiology | 1 | 21 | 186 | 368 |
| 327 | miniaturization | 2 | 21 | 218 | 583 |
| 333 | Contraception | 1 | 20 | 136 | 216 |
| 333 | Electrochemistry | 2 | 20 | 1435 | 2474 |
| 333 | Probiotics | 1 | 20 | 17 | 22 |
| 333 | immunoassay | 3 | 20 | 11 | 24 |
| 333 | gene transfer | 1 | 20 | 127 | 232 |
| 333 | genetic transformation | 1 | 20 | 127 | 232 |
| 339 | Computer Graphics | 1 | 19 | 329 | 399 |
| 339 | Molecular Pharmacology | 1 | 19 | 115 | 246 |
| 339 | Water quality management | 1 | 19 | 398 | 556 |
| 342 | drug resistance | 2 | 18 | 51 | 141 |
| 342 | food contamination | 1 | 18 | 356 | 414 |
| 342 | fishing industry | 4 | 18 | 8 | 37 |
| 342 | Fisheries | 4 | 18 | 322 | 1248 |
| 346 | Embryology | 1 | 17 | 1656 | 2529 |
| 346 | Nanochemistry | 1 | 17 | 120 | 193 |
| 346 | Neurobiology | 1 | 17 | 1007 | 2006 |
| 346 | Solid State Chemistry | 1 | 17 | 1228 | 1316 |
| 346 | embryonic development | 1 | 17 | 209 | 403 |
| 346 | Histocompatibility Testing | 1 | 17 | 41 | 87 |
| 346 | China | 2 | 17 | 598 | 1264 |
| 346 | Cellulose | 1 | 17 | 60 | 95 |
| 354 | Rheumatology | 1 | 16 | 1261 | 1785 |
| 354 | Public Policy | 2 | 16 | 269 | 772 |
| 354 | Systems Analysis | 2 | 16 | 66 | 155 |
| 354 | Apoptosis | 1 | 16 | 27 | 63 |
| 354 | neurotoxins | 1 | 16 | 27 | 63 |
| 354 | Neurotoxic agents | 1 | 16 | 27 | 63 |
| 354 | Climate change | 1 | 16 | 1820 | 3887 |
| 354 | Eutrophication | 1 | 16 | 1698 | 3553 |
| 354 | Obesity | 1 | 16 | 3423 | 5541 |
| 354 | System analysis | 2 | 16 | 217 | 561 |
| 354 | arthritis | 1 | 16 | 680 | 1179 |
| 354 | Nerve regeneration | 1 | 16 | 27 | 63 |
| 366 | Data Mining | 3 | 15 | 100 | 578 |
| 366 | Sustainable agriculture | 1 | 15 | 175 | 226 |
| 368 | Cytogenetics | 1 | 14 | 696 | 1481 |
| 368 | Genetic testing | 1 | 14 | 37 | 65 |
| 368 | Biomarkers | 1 | 14 | 44 | 81 |
| 368 | Bacteria | 1 | 14 | 60 | 111 |
| 368 | biochemical markers | 1 | 14 | 239 | 695 |
| 373 | Biopharmaceutics | 2 | 13 | 95 | 295 |
| 373 | Hormones | 1 | 13 | 199 | 519 |
| 373 | Transplantation | 1 | 13 | 1786 | 3696 |
| 373 | Heterocyclic compounds | 1 | 13 | 616 | 671 |
| 373 | drug evaluation | 2 | 13 | 306 | 880 |
| 378 | Environmental Toxicology | 3 | 12 | 341 | 1732 |
| 378 | Plant Taxonomy | 1 | 12 | 481 | 697 |
| 378 | dietary supplements | 1 | 12 | 80 | 201 |
| 378 | Pesticides | 1 | 12 | 49 | 94 |
| 382 | Ophthalmology | 1 | 11 | 350 | 740 |
| 382 | Agricultural Ecology | 1 | 11 | 875 | 1981 |
| 382 | Vegetation | 2 | 11 | 11 | 27 |
| 382 | Acarology | 1 | 11 | 32 | 49 |
| 382 | Ticks | 1 | 11 | 34 | 48 |
| 382 | Acari | 1 | 11 | 32 | 48 |
| 388 | Environmental Geochemistry | 2 | 10 | 24 | 98 |
| 388 | Synthetic biology | 1 | 10 | 59 | 128 |
| 388 | water supply | 1 | 10 | 1622 | 3278 |
| 388 | biopolymers | 2 | 10 | 421 | 1822 |
| 388 | Informatics | 2 | 10 | 66 | 191 |
| 388 | Minerals | 2 | 10 | 28 | 125 |
| 394 | Leukemia | 1 | 9 | 223 | 422 |
| 394 | shellfish | 1 | 9 | 14 | 36 |
| 394 | Bacterial diseases | 1 | 9 | 27 | 61 |
| 397 | Mobile genetic elements | 1 | 8 | 17 | 38 |
| 397 | breastfeeding | 1 | 8 | 468 | 1034 |
| 397 | Edible plants | 1 | 8 | 19 | 55 |
| 397 | Environmental pollutants | 2 | 8 | 651 | 2449 |
| 397 | toxicity testing | 2 | 8 | 262 | 1145 |
| 397 | synthesis | 1 | 8 | 167 | 310 |
| 403 | Phytochemistry | 1 | 7 | 34 | 63 |
| 403 | Phytoremediation | 1 | 7 | 34 | 63 |
| 403 | environmental remediation | 1 | 7 | 34 | 69 |
| 403 | Bioreactors | 1 | 7 | 34 | 63 |
| 403 | Soft Condensed Matter | 1 | 7 | 124 | 305 |
| 403 | irrigation | 1 | 7 | 122 | 256 |
| 403 | heredity | 1 | 7 | 556 | 1162 |
| 403 | Australia | 1 | 7 | 1632 | 2830 |
| 411 | Risk assessment | 1 | 6 | 65 | 145 |
| 411 | Korea | 1 | 6 | 111 | 183 |
| 411 | Health Risk Assessment | 1 | 6 | 57 | 115 |
| 411 | Cell death | 1 | 6 | 231 | 570 |
| 411 | Primates | 1 | 6 | 696 | 1273 |
| 416 | Food Science | 2 | 5 | 66 | 403 |
| 416 | Artificial Intelligence | 1 | 5 | 1948 | 4022 |
| 416 | Economic History | 1 | 5 | 1489 | 2322 |
| 416 | Forest Ecology | 1 | 5 | 89 | 200 |
| 416 | Agricultural Biotechnology | 1 | 5 | 21 | 40 |
| 416 | Forest Management | 1 | 5 | 86 | 215 |
| 416 | data collection | 2 | 5 | 105 | 407 |
| 416 | environmental exposure | 1 | 5 | 615 | 1456 |
| 416 | Southeast Asia | 1 | 5 | 83 | 215 |
| 416 | biological agents | 3 | 5 | 35 | 88 |
| 416 | Economic Assistance | 1 | 5 | 105 | 331 |
| 416 | Forest genetics | 1 | 5 | 37 | 68 |
| 428 | Geriatrics | 1 | 4 | 3499 | 6936 |
| 428 | Optics | 1 | 4 | 1543 | 2159 |
| 428 | energy conservation | 1 | 4 | 1082 | 2545 |
| 428 | Immunogenetics | 1 | 4 | 255 | 881 |
| 428 | nuclear magnetic resonance | 3 | 4 | 345 | 1886 |
| 428 | Gerontology | 1 | 4 | 793 | 1621 |
| 428 | lasers | 1 | 4 | 857 | 1649 |
| 428 | Aging | 1 | 4 | 1137 | 2368 |
| 436 | Agricultural Science | 1 | 3 | 26 | 119 |
| 436 | Electronics | 1 | 3 | 1208 | 1991 |
| 436 | General Surgery | 1 | 3 | 104 | 333 |
| 436 | Agronomy | 1 | 3 | 271 | 697 |
| 436 | Radiation Protection | 1 | 3 | 67 | 137 |
| 436 | radiation monitoring | 1 | 3 | 58 | 130 |
| 436 | Fermentation | 1 | 3 | 106 | 245 |
| 436 | Cannabis | 1 | 3 | 10 | 43 |
| 436 | cell interaction | 1 | 3 | 288 | 800 |
| 436 | cannabinoids | 1 | 3 | 10 | 40 |
| 436 | Radiation dosimetry | 1 | 3 | 47 | 101 |
| 436 | Cell communication | 1 | 3 | 218 | 640 |
| 448 | Dentistry | 1 | 2 | 200 | 323 |
| 448 | Molecular recognition | 1 | 2 | 152 | 596 |
| 448 | Magnetic Resonance Spectroscopy | 1 | 2 | 1077 | 2486 |
| 448 | Animal welfare | 1 | 2 | 48 | 240 |
| 448 | nuclear magnetic resonance spectroscopy | 2 | 2 | 146 | 654 |
| 448 | Biological productivity | 1 | 2 | 5 | 13 |
| 454 | Nanoparticles | 1 | 1 | 4500 | 9688 |
| 454 | Serbia | 1 | 1 | 35 | 75 |
| 454 | Radioisotopes | 1 | 1 | 359 | 978 |
| 454 | Industry | 1 | 1 | 23 | 87 |
| 454 | United States | 1 | 1 | 4928 | 10265 |
| 454 | Isotopes | 1 | 1 | 10 | 35 |
| 460 | Polymer Engineering | 1 | 0 | 28 | 154 |
| 460 | Crystallization | 1 | 0 | 47 | 125 |
| 460 | Genetic databases | 1 | 0 | 6 | 21 |
| 460 | Hemophilia | 1 | 0 | 768 | 1922 |
| 460 | Oligosaccharides | 1 | 0 | 24 | 80 |