_:vb50938689 "A purine-pyrimidine metaobolic disorder characterized by the formation 2,8-dihydroxyadenine stones and renal failure secondary to intratubular crystalline precipitation and has_material_basis_in homozygous or compound heterozygous mutation in the gene encoding adenine phosphoribosyltransferase (APRT) on chromosome 16q24."^^ . _:vb50938689 "url:https://pubmed.ncbi.nlm.nih.gov/8864750/"^^ . _:vb50938689 "url:https://pubmed.ncbi.nlm.nih.gov/22700886/"^^ . _:vb50938689 "url:https://www.ncbi.nlm.nih.gov/pubmed/20150536"^^ . _:vb50938689 "url:https://en.wikipedia.org/wiki/Adenine_phosphoribosyltransferase_deficiency"^^ . _:vb50938689 . _:vb50938689 . _:vb50938689 . _:vb50938689 . _:vb50938689 . _:vb50938689 "url:http://ghr.nlm.nih.gov/condition/adenine-phosphoribosyltransferase-deficiency"^^ . _:vb50938689 . _:vb50938689 .