# esophagogastroduodenoscopy

> diagnostic endoscopic procedure that visualizes the upper part of the gastrointestinal tract down to the duodenum

**Wikidata**: [Q938957](https://www.wikidata.org/wiki/Q938957)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Esophagogastroduodenoscopy)  
**Source**: https://4ort.xyz/entity/esophagogastroduodenoscopy


## References

1. Integrated Authority File
2. [Nuovo soggettario](https://thes.bncf.firenze.sbn.it/termine.php?id=43229)
3. Nuovo soggettario
4. Freebase Data Dumps. 2013
5. YSO-Wikidata mapping project
6. BabelNet
7. National Library of Israel
8. GF WordNet
9. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)