Brain natriuretic peptide predicts survival in Chagas' disease more effectively than atrial natriuretic peptide. Issue 3 (14th February 2005) - Heringer-Walther, S; Moreira, M C V; Wessel, N; Saliba, J L; Silvia-Barra, J; Pena, J L B; Becker, S; Siems, W E; Schultheiss, H P; Walther, T