A national study of the association between traffic-related air pollution and adverse pregnancy outcomes in Canada, 1999-2008

David M. Stieb, Li Chen, Perry Hystad, Bernardo S. Beckerman, Michael Jerrett, Michael Tjepkema, Daniel L. Crouse, D. Walter Omariba, Paul A. Peters, Aaron van Donkelaar, Randall V. Martin, Richard T. Burnett, Shiliang Liu, Marc Smith-Doiron, Rose M. Dugandzic