1. Trends in maternal mortality: 1990 to 2015: estimates by WHO, UNICEF, UNFPA, World Bank Group and the United Nations Population Division;World Health Organization,2015
2. Determinants of maternal healthcare utilization in Holeta town, central Ethiopia;Birmeta;BMC Health Serv Res,2013
3. Determinants of antenatal care, institutional delivery and postnatal care services utilization in Nigeria;Dahiru;Pan African Medical Journal,2015
4. Socioeconomic determinants of use of reproductive health services in Ghana;Abekah-Nkrumah;Health Economics Review,2016
5. Sierra Leone demographic and health survey 2013;Statistics Sierra Leone and ICF International,2014