Content Provider
University of Southern Denmark Research Portal
87
PubMed Central (PMC)
30
ScienceDirect (Elsevier - via Crossref)
14
University of Copenhagen: Research
14
Informa (via Crossref)
12
Springer Nature (via Crossref)
11
Aarhus University: Research
9
SAGE Publications (via Crossref)
7
University of Alberta: Era - Education and Research Archive
6
Apollo - University of Cambridge Repository
4
Informa
4
DataCite Metadata Store (German National Library of Science and Technology)
3
SAGE Publications
3
Unknown
3
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
2
BioMed Central
2
Cambridge University Press
2
ScienceDirect (Elsevier)
2
University of Tromsø: Munin Open Research Archive
2
Wiley Online Library (via Crossref)
2
Aalborg University's Research Portal
1
Architecture, Design and Conservation - Danish Portal for Artistic and Scientific Research: Research Outputs
1
Arctic Portal Library
1
Cambridge University Press (via Crossref)
1
Georgetown University: DigitalGeorgetown
1
HELDA – University of Helsinki Open Repository
1
HighWire Press (Stanford University)
1
Høgskulen på Vestlandet: HVL Open
1
LillOA (HAL Lille Open Archive, Université de Lille)
1
LillOA (Lille Open Archive - Université de Lille)
1
Middlesex University London: Research Repository
1
Ovid (via Crossref)
1
PLOS
1
PLOS (via CrossRef)
1
PUB - Publications at Bielefeld University
1
Réseau International des Instituts Pasteur, Paris: HAL-RIIP
1
Umeå University: Publications (DiVA)
1
Universidade Federal de São Paulo (UNIFESP): Repositório Institucional
1
University of Bergen: Bergen Open Research Archive (BORA-UiB)
1
University of Calgary Journal Hosting
1
University of Groningen research database
1
Université de Nantes: HAL-UNIV-NANTES
1
Wiley Online Library
1