Joilson O Martins*, Carlos AL Campos, José WMC Cruz, Simone Manzolli, Venâncio AF Alves, Elcio O Vianna, Sonia Jancar and Paulina Sannomiya
* Corresponding author: Joilson O Martins martinsj@usp.br
BMC Pulmonary Medicine 2010, 10:39 doi:10.1186/1471-2466-10-39
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