Zanetti Gláucia, Hochhegger Bruno, Guimarães Marcos Duarte, Marchiori Edson
Petrópolis School of Medicine, Petrópolis, Brazil.
Federal University of Health Sciences of Porto Alegre, Porto Alegre, Brazil.
J Bras Pneumol. 2014 Jul-Aug;40(4):448-9. doi: 10.1590/s1806-37132014000400014.