00581nas a2200193   4500000000100000008004100001100001600042700002100058700001800079700001900097700001400116700001400130700001400144700001300158700001100171700001300182245016000195490003200355       2014                            d1 aKassebaum N1 aBertozzi-Villa A1 aCoggeshall MS1 aShackelford KA1 aSteiner C1 aHeuton KR1 aMurray CJ1 aLozano R1 aJha V.1 aRahimi K00aGlobal, regional, and national levels and causes of maternal mortality during 1990-2013: a systematic analysis for the Global Burden of Disease Study 2013.0 vpii: S0140-6736(14)60696-6.