Global, regional, and national levels and causes of maternal mortality during 1990-2013

Kassebaum NJ, Bertozzi-Villa A, Coggeshall MS…Vasankari TJ…Murray JL, Lozano R. Global, regional, and national levels and causes of maternal mortality during 1990-2013: a systemaic analysis for the global burden of desease study 2013. Lancet 2014;384:980-1004.  doi: 10.1016/S0140-6736(14)60696-6.