# headache

> pain or discomfort in the head area or neck

**Wikidata**: [Q86](https://www.wikidata.org/wiki/Q86)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Headache)  
**Source**: https://4ort.xyz/entity/headache


## References

1. Integrated Authority File
2. Symptom Ontology
3. Human Phenotype Ontology release 2018-03-08
4. Nuovo soggettario
5. Freebase Data Dumps. 2013
6. [Source](http://www.patient.co.uk/patientplus/h.htm)
7. BBC Things
8. NDF-RT
9. BabelNet
10. Great Norwegian Encyclopedia
11. National Library of Israel
12. KBpedia
13. GF WordNet
14. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)