Joint Effect of Maternal Tobacco Smoking and Pregestational Diabetes on Preterm Births and Congenital Anomalies: A Population-Based Study in Northern Italy oleh Lucia Borsari, Carlotta Malagoli, Martha M. Werler, Kenneth J. Rothman, Marcella Malavolti, Rossella Rodolfi, Gianfranco De Girolamo, Fausto Nicolini, Marco Vinceti