Content Provider
Cambridge University Press
86
ScienceDirect (Elsevier - via Crossref)
12
Springer Nature (via Crossref)
11
Wiley Online Library (via Crossref)
11
Oxford University Press (via Crossref)
9
Wiley Online Library
8
Oxford University Press
7
Canadian Science Publishing (via Crossref)
5
ScienceDirect (Elsevier)
3
Canadian Science Publishing
2
De Gruyter (via Crossref)
2
Frontiers (Publisher)
2
ASM Journals (American Society for Microbiology)
1
Cambridge University Press (via Crossref)
1
DataCite Metadata Store (German National Library of Science and Technology)
1
Informa (via Crossref)
1