# Landau–Kleffner syndrome

> a rare childhood neurological syndrome characterized by seizures and progressive loss of speech typically in a child with previous age-appropriate development

**Wikidata**: [Q1636310](https://www.wikidata.org/wiki/Q1636310)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Landau–Kleffner_syndrome)  
**Source**: https://4ort.xyz/entity/landau-kleffner-syndrome


## References

1. [Source](https://ddrare.nibiohn.go.jp/)
2. Disease Ontology
3. Freebase Data Dumps. 2013
4. [Source](http://www.patient.co.uk/patientplus/l.htm)
5. Mutations in GRIN2A and GRIN2B encoding regulatory subunits of NMDA receptors cause variable neurodevelopmental phenotypes
6. [Open Targets Platform](https://platform.opentargets.org/evidence/ENSG00000183454/EFO_1001010)
7. [Identifiers.org](https://registry.identifiers.org/registry/doid)
8. [Source](https://cdn.who.int/media/docs/default-source/classification/icd/icd-10/icd-10-to-meddra-map---june-2023---codes-mapping.xlsx)