Kassebaum, N., Bertozzi-Villa, A., Coggeshall, M., Shackelford, K., Steiner, C., Heuton, K., . . . Lozano, R. (2014). Global, regional, and national levels and causes of maternal mortality during 1990-2013. Lancet (London, England), 384(9947), 980. https://doi.org/10.1016/S0140-6736(14)60696-6
Chicago-referens (17:e uppl.)Kassebaum, NJ, et al. "Global, Regional, and National Levels and Causes of Maternal Mortality During 1990-2013." Lancet (London, England) 384, no. 9947 (2014): 980. https://doi.org/10.1016/S0140-6736(14)60696-6.
MLA-referens (9:e uppl.)Kassebaum, NJ, et al. "Global, Regional, and National Levels and Causes of Maternal Mortality During 1990-2013." Lancet (London, England), vol. 384, no. 9947, 2014, p. 980, https://doi.org/10.1016/S0140-6736(14)60696-6.
