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The diagnostic usefulness of the timed intravenous pyelogram (IVP), isotopic renal flow study (renal flow), stimulated plasma renin activity (SPRA), saralasin infusion test, and renal vein renins (RVR) in detecting possible renal vascular hypertension was studied in relation to age. Among patients who had been off medication for 2 weeks and who had normal(More)
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