A Niemann-Pick disease characterized by visceral involvement only and survival into adulthood 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/13696518 url:https://www.ncbi.nlm.nih.gov/pubmed/12369017 http://purl.obolibrary.org/obo/ECO_0007645 ]
This is just here as a test because I lose it