# Jerzy Roman Kowalczyk

> Polish hematologist, pediatrician

**Wikidata**: [Q21328387](https://www.wikidata.org/wiki/Q21328387)  
**Source**: https://4ort.xyz/entity/jerzy-roman-kowalczyk


## References

1. Who is Who in Polish Medicine
2. Polish Science
3. [ORCID Public Data File 2023](https://pub.orcid.org/v3.0/0000-0003-3080-0845/employment/6698056)
4. [Source](https://nauka-polska.pl/#/profile/research?id=77663)
5. [Source](https://nauka-polska.pl/#/profile/research?id=267704)
6. [Source](https://nauka-polska.pl/#/profile/research?id=91217)
7. [Source](https://nauka-polska.pl/#/profile/research?id=14431)
8. [Source](https://nauka-polska.pl/#/profile/research?id=77991)
9. [Source](https://nauka-polska.pl/#/profile/research?id=104262)
10. [Source](https://nauka-polska.pl/#/profile/scientist?id=29281)
11. Virtual International Authority File