# Jan Józefczuk

> Polish pediatrician

**Wikidata**: [Q65031146](https://www.wikidata.org/wiki/Q65031146)  
**Source**: https://4ort.xyz/entity/jan-j-zefczuk


## References

1. Polish Science
2. [Source](https://nauka-polska.pl/#/profile/research?id=74215)
3. [Source](https://nauka-polska.pl/#/profile/scientist?id=96999)