Polyethylene glycol addition does not improve exogenous surfactant function in an experimental model of meconium aspiration syndrome - Lyra, João Cesar; Mascaretti, Renata Suman; Precioso, Alexander Roberto; Haddad, Luciana Branco; Vaz, Flavio A. Costa; Mauad, Thais; Rebello, Celso Moura (Experimental Lung Research, 2009)