| Namespace | disease_ontology | Obsolete | false |
| description | A hereditary spastic paraplegia characterized by mild global developmental delay apparent from infancy, with mildly delayed walking and speech acquisition, mildly impaired intellectual development, behavioral abnormalities, and age-dependent, slowly progressive spastic paraplegia late in the first decade, resulting in gait abnormalities but not loss of ambulation, that has_material_basis_in homozygous mutation in the TBCB gene on chromosome 19q13. |
