Exercise training reduces sympathetic nerve activity in heart failure patients treated with carvedilol - Fraga, Raffael; Franco, Fabio Gazelato de Mello; Roveda, Fabiana; Matos, Luciana Diniz Nagem Janot de; BRAGA, ANA MARIA FONSECA WANDERLEY; Rondon, Maria Urbana Pinto Brandão; Rotta, Daniel R.; Brum, Patrícia Chakur; Barretto, Antonio Carlos Pereira; Middlekauff, Holly R.; Negrão, C. E. (The European Journal of Heart Failure, 2007)