Effect of sodium intake on blood pressure , serum levels and renal excretion of sodium and potassium in normotensives without familial predisposition to hypertension - Fuchs, F D; Wannamacher, C M D; Wannamacher, L; Guimarães, Francisco Silveira; Rosito, G A; Gastaldo, G; Hoeffel, C P; Wagner, E M (Brazilian Journal of Medical and Biological Research, 1987)