_:vb50946091 . _:vb50946091 . _:vb50946091 . _:vb50946091 . _:vb50946091 "A movement disease characterized by slowly progressive development of parkinsonian features and variably penetrant spasticity that has_material_basis_in hemizygous mutation in ATP6AP2 on chromosome Xp11.4."^^ . _:vb50946091 "url:https://pubmed.ncbi.nlm.nih.gov/23595882/"^^ . _:vb50946091 . _:vb50946091 "url:https://pubmed.ncbi.nlm.nih.gov/20629132/"^^ .