title: Plasma renin concentration measured by use of radioimmunoassay for angiotensin I.
mesh_terms: D000804:Angiotensin II / Q000097:blood*; D002845:Chromatography; D006801:Humans; D007456:Iodine Isotopes; D008722:Methods; D011863:Radioimmunoassay; D012083:Renin / Q000097:blood*
chemical_list: D007456:Iodine Isotopes; D000804:Angiotensin II; D012083:Renin