Clinical usefulness of B-type natriuretic peptide in the diagnosis of pleural effusions due to heart failure - Marinho, Felipe Costa de Andrade; Vargas, Francisco S.; Fabri Junior, José; Acencio, Milena Marques Pagliarelli; Genofre, Eduardo Henrique; Antonangelo, Leila; Sales, Roberta Karla Barbosa de; Teixeira, Lisete Ribeiro (Respirology, 2011)