Content Provider
University of Tromsø: Munin Open Research Archive
29
PubMed Central (PMC)
16
Springer Nature (via Crossref)
12
Australian Catholic University: ACU Research Bank
4
Bioscientifica (via Crossref)
4
DataCite Metadata Store (German National Library of Science and Technology)
4
HighWire Press (Stanford University)
4
Norwegian Institute of Public Health Open Repository (Brage)
4
Oxford University Press
4
Mary Ann Liebert, Inc., publishers
2
Ovid
2
PLOS
2
ScienceDirect (Elsevier - via Crossref)
2
The BMJ
2
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
2
Wiley Online Library (via Crossref)
2
BioMed Central
1
Cambridge University Press
1
NTNU Open Archive (Norwegian University of Science and Technology)
1
Oxford University Press (via Crossref)
1
SAGE Publications
1
ScienceDirect (Elsevier)
1
Thieme
1
University College Cork, Ireland: Cork Open Research Archive (CORA)
1
University of Bergen: Bergen Open Research Archive (BORA-UiB)
1
University of Southampton: e-Prints Soton
1
Wiley Online Library
1