Lieberthal, W Reduced ratio of active-to-total urinary kallikrein in essential hypertension. [electronic resource] - Hypertension (Dallas, Tex. : 1979) - 603-9 p. digital Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. ISSN: 0194-911X Standard No.: 10.1161/01.hyp.5.4.603 doi Subjects--Topical Terms: AdultFemaleHumansHypertension--urineKallikreins--urineKinins--urineMaleMiddle AgedPeptide Hydrolases--urineRadioimmunoassaySodium--urine