# premenstrual syndrome

> physical and emotional symptoms that occur in the one to two weeks before a woman's period.

**Wikidata**: [Q220193](https://www.wikidata.org/wiki/Q220193)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Premenstrual_syndrome)  
**Source**: https://4ort.xyz/entity/premenstrual-syndrome


## References

1. Disease Ontology
2. Monarch Disease Ontology release 2018-06-29
3. Freebase Data Dumps. 2013
4. [Source](http://www.patient.co.uk/patientplus/p.htm)
5. Faceted Application of Subject Terminology
6. NDF-RT
7. YSO-Wikidata mapping project
8. [Identifiers.org](https://registry.identifiers.org/registry/doid)
9. UMLS 2023
10. National Library of Israel Names and Subjects Authority File
11. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)