| URN | urn:nbn:de:101:1-2021051723062407412816 |
|---|---|
| Responsible organisation | Deutsche Nationalbibliothek, Automatisierte URN-Vergabe 60322 Frankfurt am Main |
| Created / last modified | 2021-05-17T21:06:25Z 2021-05-17T21:06:25Z |
| Registered URLs |
|---|
| https://doi.org/10.1186/s12890-021-01481-y |
| https://d-nb.info/1233677209/34 |
Please contact the responsible organisation if you experience any errors with the URLs.
