| Namespace | disease_ontology | Obsolete | false |
| description | A spondyloepimetaphyseal dysplasia that is characterized by infantile-onset severe developmental delay and skeletal dysplasia, including short stature, premature carpal ossification, platyspondyly, longitudinal metaphyseal striations, and small epiphyses and has_material_basis_in homozygous or compound heterozygous mutation in the NANS gene on chromosome 9q22. |
