@misc{misc85d76773,
title   = {The exercise increment in neurohormonal activity antagonizes the sildenafil effects on heart rate and systematic blood pressure in patients with heart failure with exercise reduced incremental response of the L-arginine-NO-cGMP pathway},
author = {Bocchi, Edimar Alcides and Guimarães, Guilherme and Rosa, Luiz and Ravacci, Graziela and Cruz, Fatima and Bacal, Fernando and Bellotti, Giovanni},
year = {2002},
booktitle   = {Scientific Sessions American Heart Association}
}