Acute effects of digoxin on total systemic vascular resistance in congestive heart failure due to dilated cardiomyopathy: a hemodynamic hormonal study - Ribner, H S; Plucinski, D A; Hsieh, A M; Bresnahan, D; Molteni, A; Askenazi, J; Lesch, M (Am J Cardiol, 1985)