# lichen planus

> chronic disease of skin, tongue or oral mucosa

**Wikidata**: [Q848371](https://www.wikidata.org/wiki/Q848371)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Lichen_planus)  
**Source**: https://4ort.xyz/entity/lichen-planus


## References

1. Nuovo soggettario
2. Disease Ontology
3. Monarch Disease Ontology release 2018-06-29
4. Freebase Data Dumps. 2013
5. Czech National Authority Database
6. [Harvard Medical School Family Health Guide. Simon & Schuster. 1999](https://openlibrary.org/search?isbn=0684847035)
7. [Source](http://www.patient.co.uk/patientplus/l.htm)
8. Drug Indications Extracted from FAERS
9. YSO-Wikidata mapping project
10. Identifiers.org
11. UMLS 2023
12. National Library of Israel
13. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)