Invasive and noninvasive correlations of B-type natriuretic peptide in patients with heart failure due to Chagas cardiomyopathy. - Vilas-Boas F; Feitosa GS; Soares MB; Pinho-Filho JA; Nascimento T; Barojas MM; Andrade MV; Ribeiro-Dos-Santos R; Bocchi E (Congestive heart failure (Greenwich, Conn.), 2008)