Rationale and design of the multicenter, randomized, double-blind, placebo-controlled study to evaluate the Efficacy of Vasopressin antagonism in Heart Failure: Outcome Study with Tolvaptan (EVEREST). - Gheorghiade,M.; Orlandi,C.; Burnett,J.C.; Demets,D.; Grinfeld,L.; Maggioni,A. (J Card Fail, 2005)