# Stefan Grajek

> Polish cardiologist

**Wikidata**: [Q56255633](https://www.wikidata.org/wiki/Q56255633)  
**Source**: https://4ort.xyz/entity/stefan-grajek-q56255633


## References

1. [Source](https://nauka-polska.pl/#/profile/research?id=220704)
2. [Source](https://nauka-polska.pl/#/profile/research?id=215682)
3. [Source](https://nauka-polska.pl/#/profile/research?id=60804)
4. [Source](https://nauka-polska.pl/#/profile/research?id=13677)
5. [Source](https://nauka-polska.pl/#/profile/research?id=73756)
6. [Source](https://nauka-polska.pl/#/profile/research?id=67759)
7. Polish Science
8. [Source](https://nauka-polska.pl/#/profile/scientist?id=44543)