Content Provider
AAAS Resource Center (American Association for the Advancement of Science)
1
ACS Publications
3
ACS Publications (via Crossref)
42
AIP Publishing
7
AMA
5
AMA (via Crossref)
99
AMPCo (Australasian Medical Publishing Company - via Crossref)
50
AMPCo (Australasian Medical Publishing Company)
2
APA Publishing (American Psychological Association)
4
APS Publications (American Physical Society - via Crossref)
9
APS Publications (American Physical Society)
1
ASM Journals (American Society for Microbiology - via Crossref)
5
ASM Journals (American Society for Microbiology)
7
Aberdeen University Research Archive (AURA)
3
Bentham Science Publishers
1
Bentham Science Publishers (via Crossref)
7
Bioscientifica (via Crossref)
62
Brepols Publishers (via Crossref)
3
Brill
5
Brill (via Crossref)
76
Bristol University Press and Policy Press (via Crossref)
1
Caltech Authors (California Institute of Technology)
2
Cambridge University Press
238
Cambridge University Press (via Crossref)
88
Canadian Public Health Association (via Crossref)
78
Canadian Science Publishing
44
Canadian Science Publishing (via Crossref)
847
Cardiff University Press (via Crossref)
1
College Publishing (via Crossref)
2
DIAL@UCLouvain (Université catholique de Louvain)
2
DIAL@USL-B (Université Saint-Louis, Bruxelles)
2
De Gruyter
1
De Gruyter (via Crossref)
38
Edinburgh Napier Repository (Napier University Edinburgh)
3
Edinburgh University Press (via Crossref)
11
European Open Access Publishing (EUROPA)
1
Firenze University Press (via Crossref)
1
Frontiers (Publisher)
38
Ghent University Academic Bibliography
9
Hans Publishers
2
Hans Publishers (via Crossref)
25
ICE Virtual Library (ICE Publishing - via Crossref)
9
IEEE Publications (via Crossref)
6
IOP Publishing (via Crossref)
4
Inderscience Publishers (via Crossref)
5
Indiana University Press (via Crossref)
4
Informa
209
Informa (via Crossref)
1,230
Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository
20
JSTOR (via Crossref)
160
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