Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
170
Canadian Science Publishing (via Crossref)
91
University of California: eScholarship
59
Canadian Science Publishing
54
Oxford University Press
54
Oxford University Press (via Crossref)
49
Springer Nature (via Crossref)
47
ScienceDirect (Elsevier - via Crossref)
21
ASM Journals (American Society for Microbiology)
14
Directory of Open Access Journals: DOAJ Articles
4
ASM Journals (American Society for Microbiology - via Crossref)
3
Columbia University: Academic Commons
1
Freie Universität Berlin: Refubium (FU Berlin)
1
LIU - Linköping University: Publications (DiVA)
1
Lund University Publications (LUP)
1
Opin vísindi (Iceland)
1
PLOS
1
Ruđer Bošković Institute Zagreb: Full-text Institutional Repository (FULIR)
1
The University of Queensland: UQ eSpace
1
University of Stirling: Stirling Digital Research Repository
1
Uppsala University: Publications (DiVA)
1