title: Renography and the distinction between renovascular and non-renovascular hypertension.
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D006977:Hypertension, Renal / Q000000981:diagnostic imaging*; D007677:Kidney Function Tests; D012078:Renal Artery Obstruction / Q000000981:diagnostic imaging*; D012083:Renin / Q000378:metabolism; D012189:Retrospective Studies; D014567:Urography
chemical_list: D012083:Renin