# muscle cramp

> pathological, often painful, involuntary muscle contraction

**Wikidata**: [Q2006818](https://www.wikidata.org/wiki/Q2006818)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Cramp)  
**Source**: https://4ort.xyz/entity/muscle-cramp


## References

1. Symptom Ontology
2. [Source](https://lingualibre.org/wiki/Q636423)
3. Human Phenotype Ontology release 2018-03-08
4. Freebase Data Dumps. 2013
5. PubMed
6. [Source](http://www.patient.co.uk/patientplus/c.htm)
7. UMLS 2023
8. Great Norwegian Encyclopedia
9. KBpedia
10. GF WordNet
11. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)