Lowes BD, Shakar SF, Metra M, Feldman AM, Eichhorn E, Freytag JW, Gerber MJ, Liard JF, Hartman C, Gorczynski R, Evans G, Linseman JV, Stewart J, Robertson AD, Roecker EB, Demets DL, Bristow MR. Rationale and design of the enoximone clinical trials program. J Card Fail. 2005 Dec; 11(9):659-69.