Characterization of resistant hypertension: association between resistant hypertension, aldosterone, and persistent intravascular volume expansion.
Gaddam KK, Nishizaka MK, Pratt-Ubunama MN, Pimenta E, Aban I, Oparil S, Calhoun DA. Characterization of resistant hypertension: association between resistant hypertension, aldosterone, and persistent intravascular volume expansion. Arch Intern Med. 2008 Jun 09; 168(11):1159-64.