_:vb50939550 . _:vb50939550 . _:vb50939550 . _:vb50939550 . _:vb50939550 "A hypomagnesemia characterized by isolated hypomagnesemia due to renal loss with normal serum calcium levels and urinary calcium excretion that has material_basis_in variation in the chromosome region 4q25."^^ . _:vb50939550 "url:https://www.ncbi.nlm.nih.gov/pubmed/12584272"^^ . _:vb50939550 "url:https://www.ncbi.nlm.nih.gov/pubmed/17671655"^^ . _:vb50939550 .