Content Provider
Directory of Open Access Journals: DOAJ Articles
9
Cambridge University Press
3
Wiley Online Library
3
Oxford University Press (via Crossref)
2
ASM Journals (American Society for Microbiology - via Crossref)
1
PubMed Central (PMC)
1
SAGE Publications (via Crossref)
1
ScienceDirect (Elsevier - via Crossref)
1
Springer Nature (via Crossref)
1
University of California: eScholarship
1