# lateral sclerosis

> motor neuron disease characterized by painless but progressive weakness and stiffness of the muscles of the legs

**Wikidata**: [Q2881413](https://www.wikidata.org/wiki/Q2881413)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Primary_lateral_sclerosis)  
**Source**: https://4ort.xyz/entity/lateral-sclerosis


## References

1. [Source](http://www.mhlw.go.jp/english/wp/wp-hw10/dl/02e.pdf)
2. [Source](http://www.nanbyou.or.jp/entry/92)
3. [Source](https://ddrare.nibiohn.go.jp/)
4. Disease Ontology
5. Monarch Disease Ontology release 2018-06-29
6. Freebase Data Dumps. 2013
7. [Identifiers.org](https://registry.identifiers.org/registry/doid)
8. UMLS 2023