Aldosterone levels and stroke incidence in essential hypertensive patients - Tzamou, V; Vyssoulis, G; Karpanou, E; Kyvelou, S-M; Antonakoudis, G; Adamopoulos, D; Gialernios, T; Tsioufis, C.; Cokkinos, D; Stefanadis, C. (EUROPEAN HEART JOURNAL, 2008)