| 1 | Science | 41 | 1.2K | 3306 | 4402 |
| 2 | Medicine | 42 | 1.1K | 3329 | 3940 |
| 3 | Oxidative stress | 3 | 957 | 1248 | 305 |
| 3 | Cellular senescence | 3 | 957 | 829 | 130 |
| 5 | Research | 60 | 887 | 2185 | 3327 |
| 6 | Biotechnology | 40 | 861 | 1891 | 2557 |
| 7 | Chemistry | 24 | 834 | 4187 | 4160 |
| 8 | Biochemistry | 14 | 796 | 4821 | 3772 |
| 9 | Biology | 29 | 782 | 3666 | 4979 |
| 10 | Alternative Medicine | 5 | 683 | 1518 | 397 |
| 10 | complementary therapies | 5 | 683 | 1656 | 411 |
| 12 | Renewable Energy Sources | 8 | 644 | 1703 | 1461 |
| 13 | Evidence-Based Medicine | 3 | 601 | 1354 | 212 |
| 14 | Molecular Biology | 8 | 587 | 5367 | 4201 |
| 15 | Chemical Engineering | 15 | 576 | 2314 | 2202 |
| 16 | Biophysics | 2 | 503 | 6391 | 2779 |
| 17 | coal | 7 | 485 | 1083 | 786 |
| 18 | Ecology | 11 | 463 | 3645 | 3676 |
| 19 | Biochemical Engineering | 4 | 446 | 2836 | 2267 |
| 20 | management | 14 | 407 | 1623 | 1617 |
| 21 | Social Sciences | 20 | 385 | 1359 | 1098 |
| 22 | Sociology | 18 | 382 | 1128 | 1235 |
| 23 | Biomedical Engineering | 12 | 354 | 2848 | 2818 |
| 24 | Humanities | 19 | 352 | 501 | 286 |
| 25 | Entrepreneurship | 12 | 334 | 371 | 589 |
| 26 | Pollution | 8 | 321 | 3540 | 3577 |
| 27 | Analytical Chemistry | 6 | 316 | 3345 | 2528 |
| 28 | mass transfer | 4 | 302 | 1422 | 912 |
| 29 | Food | 5 | 298 | 2542 | 1882 |
| 30 | Physics | 4 | 291 | 7672 | 6823 |
| 31 | food technology | 9 | 284 | 1472 | 1518 |
| 32 | environmental pollution | 5 | 278 | 3499 | 3045 |
| 33 | Quality Control | 8 | 275 | 1029 | 877 |
| 34 | Bioengineering | 7 | 273 | 3056 | 3147 |
| 35 | food handling | 7 | 270 | 476 | 501 |
| 35 | Natural history | 2 | 270 | 4743 | 4359 |
| 37 | Knowledge management | 10 | 262 | 87 | 36 |
| 38 | Organizational change | 7 | 256 | 389 | 308 |
| 39 | Environmental Policy | 9 | 254 | 1843 | 2405 |
| 40 | Environmental Management | 3 | 252 | 2861 | 2190 |
| 41 | Environmental Health | 8 | 248 | 3432 | 3700 |
| 42 | Materials | 74 | 247 | 1522 | 3662 |
| 43 | Environment | 3 | 239 | 4907 | 4300 |
| 44 | Microbiology | 9 | 226 | 4127 | 4855 |
| 45 | Environmental monitoring | 5 | 222 | 3134 | 2901 |
| 46 | Economics | 11 | 210 | 2401 | 2182 |
| 47 | Agriculture | 8 | 208 | 1399 | 1383 |
| 48 | Tourism | 9 | 185 | 881 | 1205 |
| 49 | Energy Policy | 2 | 181 | 3053 | 2342 |
| 50 | Food Policy | 1 | 180 | 608 | 283 |
| 50 | agricultural policy | 1 | 180 | 441 | 234 |
| 50 | United Kingdom | 1 | 180 | 2501 | 1230 |
| 50 | world | 1 | 180 | 1203 | 676 |
| 54 | Public Health | 8 | 174 | 3710 | 4261 |
| 55 | Parasitology | 7 | 169 | 1672 | 1611 |
| 56 | Asia | 14 | 167 | 1196 | 1416 |
| 57 | Parasitic Diseases | 3 | 157 | 2063 | 1586 |
| 58 | Parasites | 3 | 152 | 1627 | 1136 |
| 59 | Business | 4 | 144 | 1982 | 1705 |
| 60 | disease vectors | 1 | 138 | 1615 | 822 |
| 61 | Building Materials | 2 | 133 | 1901 | 1630 |
| 62 | Biomass Energy | 18 | 131 | 990 | 2392 |
| 63 | Aquaculture | 6 | 123 | 992 | 1108 |
| 64 | Process Control | 1 | 121 | 1406 | 1028 |
| 64 | Production Management | 1 | 121 | 1649 | 1177 |
| 66 | Cytology | 1 | 118 | 5664 | 4161 |
| 66 | Cell differentiation | 1 | 118 | 2478 | 1916 |
| 68 | Nutrition | 5 | 115 | 3471 | 3993 |
| 69 | Surface Chemistry | 5 | 112 | 2980 | 3225 |
| 70 | Economic History | 8 | 111 | 2347 | 2213 |
| 70 | Colloids | 5 | 111 | 2842 | 3329 |
| 72 | China | 4 | 109 | 2629 | 2379 |
| 73 | marketing | 5 | 106 | 1433 | 1585 |
| 74 | Decision making | 2 | 103 | 1884 | 1224 |
| 75 | Catalysis | 1 | 96 | 4176 | 3175 |
| 76 | water reuse | 4 | 90 | 197 | 284 |
| 77 | Animal health | 8 | 89 | 212 | 258 |
| 78 | Epidemiology | 3 | 86 | 3834 | 3734 |
| 79 | Technology | 9 | 84 | 2602 | 3791 |
| 80 | Geochemistry | 2 | 81 | 2187 | 2030 |
| 81 | Education | 9 | 80 | 2312 | 2656 |
| 82 | Sustainable Development | 6 | 78 | 1459 | 2300 |
| 83 | healthcare industry | 1 | 77 | 93 | 24 |
| 83 | pharmaceutical industry | 1 | 77 | 1113 | 523 |
| 85 | United States | 6 | 76 | 3953 | 4783 |
| 86 | animal diseases | 4 | 73 | 409 | 521 |
| 87 | Engineering | 6 | 70 | 3499 | 4061 |
| 87 | Genetic engineering | 1 | 70 | 3345 | 2625 |
| 87 | Entomology | 4 | 70 | 2099 | 1967 |
| 90 | Outdoor recreation | 2 | 68 | 93 | 86 |
| 90 | ecotourism | 2 | 68 | 293 | 297 |
| 92 | Nanotechnology | 4 | 66 | 4174 | 5050 |
| 93 | Educational Technology | 2 | 64 | 1928 | 1615 |
| 93 | Water pollution | 2 | 64 | 3102 | 3260 |
| 93 | Radiation | 3 | 64 | 2216 | 2086 |
| 96 | Composite Materials | 2 | 63 | 2975 | 3043 |
| 96 | finance | 4 | 63 | 2046 | 2058 |
| 96 | wood | 5 | 63 | 350 | 451 |
| 99 | Biogeochemistry | 1 | 61 | 1680 | 1533 |
| 99 | Organic Geochemistry | 1 | 61 | 614 | 594 |
| 99 | Calorimetry | 2 | 61 | 1487 | 1174 |
| 99 | Cosmochemistry | 1 | 61 | 1408 | 1165 |
| 99 | Thermal analysis | 2 | 61 | 1487 | 1174 |
| 104 | Toxicology | 4 | 60 | 4211 | 5452 |
| 104 | Medical Laboratory Science | 1 | 60 | 3539 | 3011 |
| 106 | India | 2 | 59 | 2037 | 954 |
| 107 | Psychology | 6 | 58 | 3593 | 5041 |
| 107 | Pharmacognosy | 1 | 58 | 2831 | 2454 |
| 107 | Medicinal plants | 1 | 58 | 2361 | 1986 |
| 110 | Pharmacology | 4 | 57 | 4801 | 6061 |
| 110 | Artificial Intelligence | 3 | 57 | 3719 | 3873 |
| 110 | Insects | 1 | 57 | 2209 | 1441 |
| 113 | Thermodynamics | 1 | 56 | 1964 | 1034 |
| 113 | poverty | 3 | 56 | 371 | 511 |
| 113 | Thermochemistry | 1 | 56 | 812 | 569 |
| 116 | hygiene | 1 | 54 | 999 | 692 |
| 117 | Adhesion | 2 | 53 | 879 | 745 |
| 117 | nanoscience | 3 | 53 | 2853 | 3407 |
| 117 | adhesives | 2 | 53 | 937 | 751 |
| 120 | environmental protection | 5 | 51 | 2863 | 4450 |
| 120 | Ethnology | 3 | 51 | 1504 | 1357 |
| 122 | Tropical Medicine | 3 | 50 | 1909 | 2140 |
| 123 | Ultrasonics | 1 | 48 | 1937 | 1814 |
| 123 | Sonochemistry | 1 | 48 | 1051 | 1174 |
| 125 | Health Services Administration | 4 | 47 | 880 | 1430 |
| 125 | Distance Education | 1 | 47 | 941 | 569 |
| 127 | Geology | 5 | 45 | 2420 | 3175 |
| 127 | Leadership | 2 | 45 | 618 | 788 |
| 127 | Strategic planning | 1 | 45 | 1277 | 982 |
| 130 | Corporate governance | 2 | 44 | 732 | 867 |
| 130 | Small Business | 2 | 44 | 899 | 1204 |
| 132 | Polymers | 8 | 38 | 2984 | 4808 |
| 132 | polymerization | 7 | 38 | 2689 | 4094 |
| 134 | Earth Sciences | 5 | 37 | 2595 | 3774 |
| 135 | Technological Innovations | 4 | 36 | 914 | 1513 |
| 135 | Groundwater | 1 | 36 | 1161 | 976 |
| 135 | Developing countries | 3 | 36 | 2382 | 3145 |
| 138 | Environmental Engineering | 4 | 35 | 3492 | 5153 |
| 138 | Environmental Microbiology | 1 | 35 | 2234 | 2429 |
| 138 | Development Economics | 1 | 35 | 826 | 672 |
| 138 | Microbial Ecology | 1 | 35 | 3305 | 3694 |
| 138 | soil microbiology | 1 | 35 | 2233 | 2562 |
| 138 | Waste management | 2 | 35 | 1879 | 1994 |
| 144 | Forensic Toxicology | 1 | 34 | 119 | 96 |
| 145 | Optical materials | 1 | 33 | 3362 | 3318 |
| 146 | Geophysics | 3 | 32 | 3412 | 4347 |
| 146 | economic policy | 3 | 32 | 2492 | 2510 |
| 146 | economic conditions | 1 | 32 | 1062 | 738 |
| 149 | Statistics | 3 | 31 | 2574 | 2746 |
| 150 | Mathematics | 2 | 30 | 6069 | 5354 |
| 150 | Computational Biology | 8 | 30 | 1876 | 4138 |
| 150 | Bioinformatics | 8 | 30 | 1359 | 3081 |
| 150 | air quality | 2 | 30 | 318 | 480 |
| 150 | Capital market | 1 | 30 | 717 | 743 |
| 155 | Immunology | 2 | 29 | 4302 | 5318 |
| 155 | Ceramics | 1 | 29 | 2355 | 1968 |
| 155 | Methodology | 1 | 29 | 931 | 701 |
| 155 | violence | 1 | 29 | 1478 | 1459 |
| 155 | sex crimes | 1 | 29 | 1018 | 953 |
| 160 | Maritime Law | 2 | 28 | 99 | 82 |
| 160 | Water Purification | 1 | 28 | 2007 | 1816 |
| 160 | Diffusion of innovations | 2 | 28 | 99 | 173 |
| 160 | Water quality management | 1 | 28 | 2998 | 2706 |
| 160 | Marine resources | 2 | 28 | 842 | 1230 |
| 160 | Shipping | 2 | 28 | 107 | 97 |
| 160 | Australia | 2 | 28 | 2412 | 2610 |
| 167 | Organic Chemistry | 2 | 27 | 3517 | 3989 |
| 167 | synthesis | 2 | 27 | 1362 | 1329 |
| 169 | Mechanical Engineering | 1 | 26 | 3585 | 2830 |
| 169 | Optical Communications | 1 | 26 | 1349 | 1116 |
| 169 | Photonics | 1 | 26 | 2705 | 2719 |
| 172 | Inorganic Chemistry | 1 | 25 | 319 | 366 |
| 172 | Combustion | 1 | 25 | 1844 | 1832 |
| 172 | Bioinorganic chemistry | 1 | 25 | 2058 | 2125 |
| 175 | civilization | 70 | 24 | 113 | 749 |
| 175 | Immune system | 1 | 24 | 1683 | 1998 |
| 175 | Immunity | 1 | 24 | 2823 | 3408 |
| 178 | Agronomy | 1 | 23 | 1040 | 1196 |
| 178 | Chemical industry | 2 | 23 | 1697 | 1937 |
| 180 | Human-Computer Interaction | 2 | 22 | 1989 | 2556 |
| 180 | computer networks | 2 | 22 | 2997 | 3449 |
| 182 | lasers | 2 | 21 | 2494 | 2843 |
| 183 | Occupational Health | 1 | 20 | 1923 | 1711 |
| 183 | Landscape Ecology | 1 | 20 | 776 | 1042 |
| 183 | Astrophysics | 1 | 20 | 3613 | 3578 |
| 183 | Total Quality Management | 2 | 20 | 721 | 1123 |
| 183 | Geodesy | 1 | 20 | 1342 | 1341 |
| 183 | energy conservation | 2 | 20 | 2495 | 3669 |
| 183 | Diet | 1 | 20 | 3291 | 4026 |
| 190 | Technology Assessment | 1 | 19 | 710 | 1065 |
| 190 | Ceramic materials | 3 | 19 | 1354 | 2153 |
| 190 | Mineral resources | 1 | 19 | 1030 | 1301 |
| 190 | Web-based instruction | 1 | 19 | 106 | 71 |
| 190 | Educational evaluation | 1 | 19 | 342 | 316 |
| 190 | educational innovations | 1 | 19 | 930 | 937 |
| 196 | Welding | 1 | 18 | 571 | 389 |
| 196 | Teaching | 7 | 18 | 1080 | 2435 |
| 196 | Vietnam | 1 | 18 | 328 | 263 |
| 196 | bees | 1 | 18 | 673 | 697 |
| 200 | Food service management | 1 | 17 | 655 | 975 |
| 200 | Corporate Social Responsibility | 1 | 17 | 583 | 884 |
| 200 | Electrochemistry | 1 | 17 | 4531 | 4528 |
| 200 | environmental auditing | 1 | 17 | 602 | 896 |
| 204 | Risk Management | 1 | 16 | 1341 | 1466 |
| 204 | Health Education | 1 | 16 | 3107 | 3304 |
| 204 | Flood forecasting | 1 | 16 | 238 | 340 |
| 204 | Flood control | 1 | 16 | 560 | 591 |
| 204 | Zeolites | 1 | 16 | 1450 | 1872 |
| 204 | compost | 1 | 16 | 47 | 69 |
| 204 | commerce | 2 | 16 | 2010 | 2458 |
| 211 | Wales | 1 | 15 | 258 | 220 |
| 211 | Hospitality industry | 2 | 15 | 515 | 981 |
| 213 | Animal Biotechnology | 1 | 14 | 354 | 448 |
| 213 | natural products | 2 | 14 | 2183 | 2873 |
| 215 | Electrophoresis | 1 | 13 | 2529 | 3118 |
| 215 | Diagnostic Imaging | 1 | 13 | 3351 | 3630 |
| 215 | Chromatography | 1 | 13 | 2595 | 3035 |
| 215 | Learning | 9 | 13 | 705 | 2340 |
| 215 | Chromatographic analysis | 1 | 13 | 2947 | 3305 |
| 220 | Architecture | 5 | 12 | 472 | 817 |
| 220 | Chemical processes | 2 | 12 | 827 | 1320 |
| 220 | environmental exposure | 1 | 12 | 3034 | 3866 |
| 220 | Ireland | 1 | 12 | 376 | 289 |
| 224 | Cybernetics | 1 | 11 | 2460 | 2886 |
| 224 | Food Security | 1 | 11 | 336 | 607 |
| 226 | Food Science | 1 | 10 | 481 | 552 |
| 226 | Optics | 1 | 10 | 6114 | 5663 |
| 226 | Quantum electronics | 1 | 10 | 2472 | 2715 |
| 226 | Drying | 2 | 10 | 490 | 947 |
| 226 | Optoelectronic devices | 1 | 10 | 1594 | 1645 |
| 226 | Porous materials | 1 | 10 | 1296 | 1555 |
| 232 | Food Preservation | 1 | 9 | 1297 | 1589 |
| 232 | Thin Films | 1 | 9 | 1054 | 1260 |
| 232 | Herbal medicine | 1 | 9 | 1311 | 2044 |
| 232 | International Finance | 1 | 9 | 2222 | 2632 |
| 232 | international trade | 1 | 9 | 1232 | 1418 |
| 232 | Phytotherapy | 1 | 9 | 1567 | 2235 |
| 232 | Scanning electron microscopy | 1 | 9 | 376 | 530 |
| 232 | Primates | 1 | 9 | 1161 | 1428 |
| 240 | Discourse Analysis | 1 | 8 | 662 | 815 |
| 240 | Organizational learning | 5 | 8 | 221 | 1238 |
| 240 | Plastics | 2 | 8 | 2073 | 3086 |
| 240 | Communication | 1 | 8 | 3198 | 3700 |
| 244 | Zoology | 1 | 7 | 3658 | 4289 |
| 244 | Systems Theory | 2 | 7 | 864 | 1412 |
| 244 | Hydrology | 1 | 7 | 3693 | 4439 |
| 244 | Electronics | 1 | 7 | 5178 | 5703 |
| 244 | Animal Behavior | 1 | 7 | 2670 | 3600 |
| 244 | Municipal Engineering | 1 | 7 | 780 | 1181 |
| 244 | Radiation Protection | 1 | 7 | 1192 | 1273 |
| 244 | radiation monitoring | 1 | 7 | 1088 | 1188 |
| 244 | Islamic Architecture | 1 | 7 | 229 | 299 |
| 244 | Behavioral research | 1 | 7 | 988 | 1443 |
| 244 | Ethology | 1 | 7 | 2091 | 2929 |
| 244 | System analysis | 2 | 7 | 2962 | 4489 |
| 244 | Telecommunication | 2 | 7 | 3172 | 4369 |
| 244 | Social behavior | 1 | 7 | 1844 | 2444 |
| 244 | Middle East | 1 | 7 | 1744 | 1843 |
| 244 | Sociobiology | 1 | 7 | 507 | 642 |
| 244 | city planning | 1 | 7 | 2542 | 3090 |
| 244 | Radiation dosimetry | 1 | 7 | 934 | 995 |
| 262 | Watershed management | 1 | 6 | 494 | 787 |
| 262 | Algae | 4 | 6 | 637 | 1504 |
| 262 | construction industry | 1 | 6 | 300 | 463 |
| 265 | Language Disorders | 1 | 5 | 1256 | 1709 |
| 265 | Telecommunication Systems | 1 | 5 | 2465 | 2896 |
| 265 | Engineering Geology | 1 | 5 | 2049 | 2687 |
| 265 | Green Technology | 1 | 5 | 903 | 1484 |
| 265 | Biological Systems | 1 | 5 | 1457 | 2020 |
| 265 | Risk assessment | 1 | 5 | 1235 | 1853 |
| 265 | Neural circuitry | 1 | 5 | 2843 | 3782 |
| 265 | Social Systems | 1 | 5 | 520 | 648 |
| 265 | Speech Disorders | 1 | 5 | 1452 | 1962 |
| 265 | Multimedia Systems | 1 | 5 | 2781 | 3373 |
| 265 | Forest Management | 1 | 5 | 1544 | 2163 |
| 265 | Computational Complexity | 1 | 5 | 1800 | 2205 |
| 265 | foods | 1 | 5 | 581 | 1010 |
| 265 | biological factors | 2 | 5 | 2416 | 4098 |
| 265 | forest policy | 1 | 5 | 639 | 1081 |
| 265 | Hearing | 1 | 5 | 1027 | 1435 |
| 265 | Computer Literacy | 1 | 5 | 465 | 765 |
| 265 | Speech | 1 | 5 | 1365 | 1909 |
| 283 | Genetics | 1 | 4 | 5503 | 7167 |
| 283 | Biochemical Genetics | 1 | 4 | 896 | 1244 |
| 283 | Human Capital | 3 | 4 | 222 | 766 |
| 283 | Entropy | 1 | 4 | 1974 | 2558 |
| 283 | Business Ethics | 1 | 4 | 1436 | 2041 |
| 283 | Pesticides | 1 | 4 | 1199 | 1831 |
| 283 | Eastern Europe | 1 | 4 | 1757 | 1981 |
| 283 | construction | 1 | 4 | 367 | 606 |
| 283 | textile fibers | 1 | 4 | 809 | 1209 |
| 283 | Textile industry | 1 | 4 | 916 | 1198 |
| 293 | Meteorology | 1 | 3 | 3234 | 4579 |
| 293 | Global Health | 1 | 3 | 1993 | 3174 |
| 293 | Climatology | 1 | 3 | 2553 | 3670 |
| 293 | Environmental Geology | 1 | 3 | 2460 | 3428 |
| 293 | Theology | 1 | 3 | 1372 | 967 |
| 293 | Fishery management | 1 | 3 | 1345 | 1994 |
| 293 | Computer-Aided Design | 2 | 3 | 1539 | 2832 |
| 293 | bioclimatology | 1 | 3 | 1584 | 2466 |
| 293 | Genetic testing | 1 | 3 | 719 | 1235 |
| 293 | Biomarkers | 1 | 3 | 898 | 1582 |
| 293 | Art and Design | 2 | 3 | 30 | 142 |
| 293 | Environmental risk assessment | 1 | 3 | 869 | 1466 |
| 293 | Southeast Asia | 2 | 3 | 546 | 1094 |
| 293 | Pathogens | 1 | 3 | 267 | 609 |
| 293 | biochemical markers | 1 | 3 | 1555 | 2591 |
| 308 | Linguistics | 2 | 2 | 1810 | 2721 |
| 308 | Ethnoarchaeology | 1 | 2 | 326 | 587 |
| 308 | ethnicity | 1 | 2 | 1273 | 1783 |
| 308 | Ethnic relations | 1 | 2 | 1036 | 1346 |
| 308 | Wireless Communication Systems | 1 | 2 | 3244 | 4125 |
| 308 | Energy Consumption | 1 | 2 | 745 | 1390 |
| 308 | Mass Media | 2 | 2 | 1182 | 1812 |
| 308 | Action Research | 1 | 2 | 452 | 889 |
| 308 | animals | 1 | 2 | 2099 | 2973 |
| 308 | vascular diseases | 1 | 2 | 1084 | 1719 |
| 308 | livestock | 1 | 2 | 956 | 1395 |
| 319 | Arts | 2 | 1 | 682 | 1138 |
| 319 | Materials Science | 1 | 1 | 6051 | 7580 |
| 319 | Endocrinology | 1 | 1 | 4322 | 6005 |
| 319 | Demography | 1 | 1 | 1196 | 1898 |
| 319 | Language and Education | 6 | 1 | 59 | 498 |
| 319 | Feasibility studies | 1 | 1 | 516 | 933 |
| 319 | global environmental change | 1 | 1 | 1382 | 2387 |
| 319 | food service | 1 | 1 | 201 | 392 |
| 319 | Population | 1 | 1 | 1722 | 2713 |
| 328 | Literature | 1 | 0 | 1444 | 1427 |
| 328 | Anthropology | 1 | 0 | 2435 | 3498 |
| 328 | Information Technology | 2 | 0 | 3246 | 5866 |
| 328 | Nuclear Engineering | 1 | 0 | 2426 | 3424 |
| 328 | Nuclear Physics | 1 | 0 | 4689 | 5981 |
| 328 | Medical Microbiology | 1 | 0 | 3408 | 5193 |
| 328 | Analytical Biochemistry | 1 | 0 | 2775 | 4209 |
| 328 | community development | 2 | 0 | 706 | 1749 |
| 328 | Intellectual Property | 1 | 0 | 402 | 759 |
| 328 | Computational Intelligence | 1 | 0 | 1933 | 2982 |
| 328 | Biodiversity conservation | 1 | 0 | 2469 | 3707 |
| 328 | Swarm Intelligence | 1 | 0 | 528 | 1047 |
| 328 | Social policy | 1 | 0 | 1710 | 2743 |
| 328 | blood transfusion | 1 | 0 | 1159 | 1892 |
| 328 | Environmental forensics | 1 | 0 | 178 | 469 |
| 328 | Family | 1 | 0 | 1519 | 2586 |
| 328 | families | 1 | 0 | 1393 | 2275 |
| 328 | Microorganisms | 1 | 0 | 1691 | 2671 |
| 328 | Japan | 1 | 0 | 3272 | 4707 |
| 328 | communities | 1 | 0 | 31 | 123 |
| 328 | Youth | 1 | 0 | 1092 | 1887 |
| 328 | health services | 1 | 0 | 1880 | 3214 |
| 328 | Europe | 1 | 0 | 5019 | 7171 |
