Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
21
PubMed Central (PMC)
3
The Royal Society
3
Aarhus University: Research
1
Lund University Publications (LUP)
1
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
1
University of Copenhagen: Research
1
University of Groningen research database
1