TY - JOUR A1 - Padula, A M A1 - Mortimer, K A1 - Hubbard, A A1 - Lurmann, F A1 - Jerrett, M A1 - Tager, I B T1 - Exposure to traffic-related air pollution during pregnancy and term low birth weight: estimation of causal associations in a semiparametric model. Y1 - 2012/11/1 N1 - R834596C001 N1 - R834596 JF - AMERICAN JOURNAL OF EPIDEMIOLOGY J1 - AM J EPIDEMIOL J2 - Am.J.Epidemiol. J3 - American Journal of Epidemiology J4 - American Journal of Epidemiology VL - 176 IS - 9 SP - 815 EP - 824 ER -