| URN | urn:nbn:de:101:1-2021111521392089816926 |
|---|---|
| Responsible organisation | Deutsche Nationalbibliothek, Automatisierte URN-Vergabe 60322 Frankfurt am Main |
| Created / last modified | 2021-11-15T20:39:22Z 2021-11-15T20:39:22Z |
| Registered URLs |
|---|
| https://doi.org/10.1186/s12875-021-01515-8 |
| https://d-nb.info/1245853554/34 |
Please contact the responsible organisation if you experience any errors with the URLs.
