# Niels Erik Haagensen

> Danish physician

**Wikidata**: [Q131302523](https://www.wikidata.org/wiki/Q131302523)  
**Source**: https://4ort.xyz/entity/niels-erik-haagensen


## References

1. Kraks Blå Bog, 1974 edition
2. [Source](http://finnrune.dk/tng/getperson.php?personID=I779&tree=tree1)
3. [Source](https://arkivalieronline.rigsarkivet.dk/da/billedviser?epid=17117387#153885,25647010)