# Johannes Henricus Zaaijer

> Dutch physician (1876–1932)

**Wikidata**: [Q2793906](https://www.wikidata.org/wiki/Q2793906)  
**Source**: https://4ort.xyz/entity/johannes-henricus-zaa-er


## References

1. Integrated Authority File
2. Leidse Hoogleraren
3. Base biographique
4. Virtual International Authority File