_:vb50938729 . _:vb50938729 . _:vb50938729 "url:https://www.ncbi.nlm.nih.gov/pubmed/22315721"^^ . _:vb50938729 . _:vb50938729 "An early-onset Parkinson's disease that has_material_basis_in mutations in the PINK1 gene on chromosome 1p36.12."^^ . _:vb50938729 . _:vb50938729 .