| URN | urn:nbn:de:101:1-2019121900455528541993 |
|---|---|
| Responsible organisation | Deutsche Nationalbibliothek, Automatisierte URN-Vergabe 60322 Frankfurt am Main |
| Created / last modified | 2019-12-18T23:45:57Z 2019-12-18T23:45:58Z |
| Registered URLs |
|---|
| https://doi.org/10.1186/s13063-019-3569-z |
| https://d-nb.info/1201815312/34 |
Please contact the responsible organisation if you experience any errors with the URLs.
