C.L. URSINI, D. CAVALLO, M.V. VETTORI, A. CAGLIERI, S. CARNEVALI, A. CIERVO, C. DE SBROCCHI, S. IAVICOLI, A. MUTTI. (2006). EVALUATION OF OXIDATIVE STRESS BY CIGARETTE SMOKE EXTRACT USING HUMAN LUNG EPITELIAL CELLS