Mutagenic Activity of Total and Particle-Sized Fractions of Urban Particulate Matter Pagano, Piergiacomo ; De Zaiacomo, Tonino ; Scarcella, Elena ; Bruni, Stefania ; Calamosca, Massimo Abstract Publication: Environmental Science and Technology Pub Date: January 1996 DOI: 10.1021/es960182q Bibcode: 1996EnST...30.3512P