| URN | urn:nbn:de:1111-20160428216 |
|---|---|
| Responsible organisation | Deutsche Nationalbibliothek (für Springer) 60322 Frankfurt am Main |
| Created / last modified | 2016-04-27T22:05:20Z 2016-04-28T22:01:15Z |
| Registered URLs |
|---|
| http://dx.doi.org/10.1186/s12909-016-0638-9 |
| https://d-nb.info/1098374312/34 |
Please contact the responsible organisation if you experience any errors with the URLs.
