TY - JOUR A1 - Blanc, A.K. A1 - Winfrey, W. A1 - Ross, J. T1 - New findings for maternal mortality age patterns: Aggregated results for 38 countries Y1 - 2013 DO - 10.1371/journal.pone.0059864 JF - PLoS ONE VL - 8 IS - 4 ER -