Global, regional, and national levels of maternal mortality, 1990-2015: a systematic analysis for the Global Burden of Disease Study 2015 - Kassebaum, Nicholas; Bärnighausen, Till; Jonas, Jost B.; Mohammed, Shafiu (The lancet. Planetary health, 2016)
GBD 2015 Maternal Mortality Collaborators: Nicholas J. Kassebaum, Till Bärnighausen, Jost B. Jonas, Shafiu Mohammed [und andere 536]