A Niemann-Pick disease characterized by onset in infancy and involvement of neurological tissues that has_material_basis_in an autosomal recessive mutation of the SMPD1 gene on chromosome 11p15.4. [ url:https://www.ncbi.nlm.nih.gov/pubmed/19405096 http://purl.obolibrary.org/obo/ECO_0007645 url:https://www.ncbi.nlm.nih.gov/pubmed/13696518 ]
This is just here as a test because I lose it