_:vb50948758 . _:vb50948758 "url:https://medlineplus.gov/ency/article/000204.htm"^^ . _:vb50948758 . _:vb50948758 . _:vb50948758 "A benign secondary hypertension that is characterized by chronic elevated blood pressure in the arteries supplying blood to the kidneys and has_material_basis_in renal artery stenosis."^^ . _:vb50948758 . _:vb50948758 .