# obstetrics

> field of study concentrated on pregnancy, childbirth, and the postpartum period

**Wikidata**: [Q5284418](https://www.wikidata.org/wiki/Q5284418)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Obstetrics)  
**Source**: https://4ort.xyz/entity/obstetrics


## References

1. Nuovo soggettario
2. Freebase Data Dumps. 2013
3. [Nuovo soggettario](https://thes.bncf.firenze.sbn.it/termine.php?id=12470)
4. [Registros de autoridad de "Materia" de la Biblioteca Nacional de España. Spain open data portal](https://www.bne.es/media/datosgob/catalogo-autoridades/materia/materia-UTF8.zip)
5. YSO-Wikidata mapping project
6. UMLS 2023
7. National Library of Israel
8. KBpedia
9. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)