_:vb50941801 . _:vb50941801 . _:vb50941801 . _:vb50941801 "A bone development disease that is characterized by softening and weakening of the bones, hypocalcemia, high levels of parathyroid hormone and hypophosphatemia."^^ . _:vb50941801 "url:https://medlineplus.gov/genetics/condition/vitamin-d-dependent-rickets/#synonyms"^^ . _:vb50941801 .