TY - JOUR A1 - Frisbie, W.P. A1 - Song, S. T1 - Hispanic pregnancy outcomes: Differentials over time and current risk factor effects Y1 - 2003 DO - 10.1111/1541-0072.00013 JF - The Policy Studies Journal VL - 31 IS - 2 SP - 237 EP - -252 ER -