The blunted muscle vasodilatation during hypoxia in heart failure patients is mediated by sympathetic activation and endothelial dysfunction - Alves, M J N Nunes; Santos, M R dos; Nobre, T S; Martinez, D G; Rondon, M. U.; Brum, P. C.; Barretto, A C P; Middlekauff, H; Negrão, C. E. (European Society of Cardiology Congress, 2010)