# tinnitus

> perception of sound within the human ear ("ringing of the ears") when no external sound is present

**Wikidata**: [Q192309](https://www.wikidata.org/wiki/Q192309)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Tinnitus)  
**Source**: https://4ort.xyz/entity/tinnitus


## References

1. [Zumbido no ouvido | Biblioteca Virtual em Saúde MS](https://bvsms.saude.gov.br/zumbido-no-ouvido/)
2. [Library of Congress Name Authority File](http://id.loc.gov/authorities/subjects/sh85135532.html)
3. [BnF authorities](http://catalogue.bnf.fr/ark:/12148/cb12046073x)
4. Symptom Ontology
5. [Source](https://lingualibre.org/wiki/Q636508)
6. Human Phenotype Ontology release 2018-03-08
7. Freebase Data Dumps. 2013
8. [Nuovo soggettario](https://thes.bncf.firenze.sbn.it/termine.php?id=60847)
9. [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)
10. Integrated Authority File
11. [Source](http://www.patient.co.uk/patientplus/t.htm)
12. BBC Things
13. YSO-Wikidata mapping project
14. [Source](https://cdn.who.int/media/docs/default-source/classification/icd/icd-10/icd-10-to-meddra-map---june-2023---codes-mapping.xlsx)
15. Quora
16. SNOMED CT
17. National Library of Israel
18. KBpedia
19. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)