1. WHO (2014) Health statistics and health information system. http://www.who.int/healthinfo/statistics/indmaternalmortality/en/. Accessed February 19, 2014. 22: 30.
2. Kenneth H, Kevin T, Carla A, Neff W, Lale S, et al.. (2007) Estimates of maternal mortality worldwide between 1990 and 2005: an assessment of available data. Vol 370 (1311–1319).
3. UNICEF WHO, World Bank, UN population division (2012) Levels and trends in child mortality (estimates developed by the UN inter-agency group for child mortality).
4. Government of Sierra Leone (2011) Reproductive, newborn and child health policy. July 2011.
5. Statistics Sierra Leone (SSL) and ICF Macro (2008) Sierra Leone demographic and health survey.