Content Provider
Wiley Online Library (via Crossref)
34
AMA (via Crossref)
32
ScienceDirect (Elsevier - via Crossref)
27
JSTOR (via Crossref)
24
SAGE Publications (via Crossref)
24
Wiley Online Library
22
Informa (via Crossref)
17
Canadian Science Publishing (via Crossref)
10
Informa
9
Springer Nature (via Crossref)
7
The BMJ
5
Ovid (via Crossref)
4
University of Chicago Press (via Crossref)
4
AMA
3
Cambridge University Press
3
De Gruyter (via Crossref)
3
Johns Hopkins University Press (via Crossref)
3
Schweizerbart Science Publishers (via Crossref)
3
Johns Hopkins University Press
2
Oxford University Press (via Crossref)
2
PeerJ Publishing
2
SAGE Publications
2
ScienceDirect (Elsevier)
2
The BMJ (via Crossref)
2
The Royal Society
2
University of California Press (via Crossref)
2
University of Chicago Press
2
ACM Publications (Association for Computing Machinery)
1
AMPCo (Australasian Medical Publishing Company - via Crossref)
1
APA Publishing (American Psychological Association)
1
ASM Journals (American Society for Microbiology - via Crossref)
1
ASM Journals (American Society for Microbiology)
1
Addleton Academic Publishers (via Crossref)
1
JSTOR
1
Karger (via Crossref)
1
Ovid
1
The British Academy (via Crossref)
1
The Royal Society (via Crossref)
1
Unknown
1
hogrefe (via Crossref)
1