@article{article8872eb4f,
title   = {Sildenafil effects on Exercise, neurohormonal activation, and erectile dysfunction in congestve heart failure: a double-blind, placebo-controlled, randomized study followed by a prospective treatment dysfunction},
author = {Bocchi, Edimar Alcides and Guimarães, Guilherme and Mocelin, Amilcar and Bacal, Fernando and Belloti, Giovanni and Ramires, José Franchini},
year = {2002},
journal   = {Journal of The American Heart Association}
}