# complement component 4a deficiency

> Human disease

**Wikidata**: [Q19121035](https://www.wikidata.org/wiki/Q19121035)  
**Source**: https://4ort.xyz/entity/complement-component-4a-deficiency


## References

1. Disease Ontology
2. Monarch Disease Ontology release 2018-06-29
3. UniProt
4. Genetic analysis of C4 deficiency
5. [Identifiers.org](https://registry.identifiers.org/registry/doid)