_:vb50940851 . _:vb50940851 "A familial nephrotic syndrome that has_material_basis_in homozygous mutation in the PTPRO gene on chromosome 12p12."^^ . _:vb50940851 . _:vb50940851 . _:vb50940851 "url:https://www.ncbi.nlm.nih.gov/pubmed/21722858"^^ . _:vb50940851 . _:vb50940851 .