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14 810 902 business
14 269 787 business.industry
10 068 314 medicine
8 342 840 chemistry
7 385 684 materials science
6 993 409 computer science
6 214 025 biology
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5 215 145 01 natural sciences
4 987 083 humans
4 753 874 0302 clinical medicine
4 710 539 medicine.medical_specialty
4 579 455 chemistry.chemical_compound
4 491 984 02 engineering and technology
4 338 914 general medicine
3 843 678 medicine.disease
3 801 260 law
3 718 132 media_common
3 652 858 media_common.quotation_subject
3 088 920 biology.organism_classification
2 940 209 law.invention
2 786 595 political science
2 693 766 education
2 580 926 condensed matter physics
2 513 493 female
2 448 423 male
2 268 731 general materials science
2 230 195 animals
2 108 142 chemistry.chemical_element
2 101 676 physics
2 076 612 psychology
2 068 876 0301 basic medicine
2 037 505 computer
1 978 614 artificial intelligence
1 977 192 05 social sciences
1 872 806 mathematics
1 868 613 0210 nano-technology
1 868 613 021001 nanoscience & nanotechnology
1 818 002 030104 developmental biology
1 777 336 engineering
1 770 045 medicine.anatomical_structure
1 746 740 environmental science
1 746 302 biochemistry
1 716 949 0202 electrical engineering, electronic engineering, information engineering
1 708 542 computer.software_genre
1 694 476 internal medicine
1 665 259 general chemistry
1 629 227 mechanical engineering
1 559 680 0103 physical sciences
1 547 429 electrical and electronic engineering

6 619 631 elsevier b.v.
6 133 388 springer nature
6 077 831 wiley-blackwell
3 807 271 ieee
3 430 587 taylor & francis ltd
3 010 594 mdpi
2 908 087 elsevier ltd
2 824 631 wiley
2 473 499 elsevier science bv
2 011 921 pergamon-elsevier science ltd
2 010 977 elsevier
1 753 304 springer
1 656 726 elsevier science inc
1 276 311 oxford university press / usa
1 181 130 public library of science
1 104 603 sage publications
1 090 484 sage publications inc.
1 066 575 mdpi ag
1 029 770 biomed central
1 007 629 american chemical society
923 882 royal society of chemistry
900 187 oxford university press
800 532 cambridge university press
736 909 edp sciences
666 212 frontiers media s.a.
656 214 nature publishing group
475 107 american association for the advancement of science
458 691 routledge
428 031 national academy of sciences
317 956 media source, inc.
293 082 canadian science publishing
291 663 emerald publishing limited
287 118 university of chicago press
283 142 ios press
263 558 academic press
244 901 bmj publishing group
241 112 de gruyter
226 268 sage publications ltd
191 830 taylor & francis
185 677 routledge journals, taylor & francis ltd
183 541 sage publications, ltd.
175 862 crc press
138 382 brill
133 108 iwa publishing
111 005 csiro publishing
109 449 sciendo
109 135 brill academic publishers
65 340 university of california press
60 365 mit press
52 106 palgrave macmillan

1 860 642 plos one
1 051 545 scientific reports
946 384 science
887 386 proceedings of the national academy of sciences of the united states of america
547 148 nature
523 631 international journal of molecular sciences
464 110 science of the total environment
426 053 library journal
388 226 christian science monitor
343 915 aip conference proceedings
328 674 nature communications
283 958 applied surface science
263 096 annals of the new york academy of sciences
252 873 applied physics letters
236 494 journal of applied polymer science
231 498 environmental science & technology
224 501 journal of applied physics
219 898 journal of animal science
203 352 journal of alloys and compounds
202 349 international journal of environmental research and public health
199 004 journal of dairy science
198 105 journal of colloid and interface science
183 928 journal of materials science
175 412 life sciences
171 236 frontiers in plant science
165 701 chemosphere
161 340 chemical engineering journal
152 252 remote sensing
152 198 journal of the neurological sciences
150 321 ceramics international
145 019 surface science
144 322 journal of biological chemistry
141 470 poultry science
138 385 heliyon
137 974 journal of cleaner production
128 290 biochemical and biophysical research communications
126 566 journal of pharmaceutical sciences
125 344 chemical engineering science
124 893 materials letters
111 446 electrochimica acta
110 907 ieee transactions on nuclear science
103 777 procedia computer science
97 837 thin solid films
96 414 journal of cell science
92 310 polymer
87 985 journal of hazardous materials
83 969 information sciences
73 726 journal of chromatography a
69 069 journal of environmental management
55 982 isis

55 085 609 OpenAIRE
29 689 899 Scopus®
25 790 163 Complementary Index
16 584 787 Science Citation Index Expanded
14 763 276 Academic Search Ultimate
10 197 273 MEDLINE
5 635 953 ScienceDirect
3 585 474 Directory of Open Access Journals
3 334 411 Social Sciences Citation Index
2 725 275 Business Source Ultimate
2 686 468 Supplemental Index
1 812 627 eBook Index
1 395 647 JSTOR Journals
892 954 arXiv
879 291 Regional Business News
643 826 Networked Digital Library of Theses & Dissertations
495 439 GreenFILE
337 049 Arts & Humanities Citation Index
291 515 Central and Eastern European Online Library (CEEOL)
249 100 eBook Collection (EBSCOhost)
234 817 Library, Information Science & Technology Abstracts
204 264 Oxford Reference
190 412 Emerald Insight
143 648 Vybrané kolekce e-knih
45 372 SSOAR – Social Science Open Access Repository
39 972 Oxford Scholarship Online
31 227 NORA (Norwegian Open Research Archive)
20 243 Katalog Knihovny AV ČR
20 158 Research Starters
13 126 OAPEN Library
12 280 BrillOnline Reference Works
8 622 SAGE Knowledge
8 424 Brill E-Book Collection
6 991 SAGE Research Methods
6 572 Britannica Online
6 340 E-LIS (Eprints in Library & Information Science)
2 276 Manuscriptorium Digital Library
700 Digitalni knihovny ČR
204 Oxford Scholarly Editions Online
105 Digitální knihovna AV ČR – Kramerius

1 285 690 united states
568 327 china
215 636 india
161 372 australia
150 116 japan
139 736 canada
134 954 europe
92 499 germany
85 219 italy
63 916 france

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