# melena

> medical condition with dark feces that are associated with upper gastrointestinal bleeding

**Wikidata**: [Q1163908](https://www.wikidata.org/wiki/Q1163908)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Melena)  
**Source**: https://4ort.xyz/entity/melena


## References

1. Symptom Ontology
2. [Source](https://lingualibre.org/wiki/Q636450)
3. Human Phenotype Ontology release 2018-03-08
4. Freebase Data Dumps. 2013
5. [Source](https://cdn.who.int/media/docs/default-source/classification/icd/icd-10/icd-10-to-meddra-map---june-2023---codes-mapping.xlsx)
6. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)