# Helena Żygulska-Mach

> Polish ophthalmologist

**Wikidata**: [Q20031228](https://www.wikidata.org/wiki/Q20031228)  
**Source**: https://4ort.xyz/entity/helena-ygulska-mach


## References

1. Polish Science
2. Source
3. [Source](http://nauka-polska.pl/#/profile/scientist?id=7521)
4. Virtual International Authority File
5. Sejm-Wielki.pl