Biselli P.J.C., Lopes F.D.T.Q.S., Moriya H.T., Rivero D.H.R.F., Toledo A.C., Saldiva P.H.N., Mauad T., Martins M.A..  2011.  Short-term exposure of mice to cigarette smoke and/or residual oil fly ash produces proximal airspace enlargements and airway epithelium remodeling. Brazilian Journal of Medical and Biological Research. 44(5):460-468.