1. Global causes of maternal death: a WHO systematic analysis;L Say;Lancet Glob Health,2014
2. The evidence for emergency obstetric care;A Paxton;Int J Gynecol Obstet,2005
3. Monitoring Emergency Obstetric Care
4. United Nations Children’s Fund, World Health Organization, United Nations Population Fund. Guidelines for Monitoring the Availability and Use of Obstetric Services. https://www.unicef.org/health/files/guidelinesformonitoringavailabilityofemoc.pdf. Published 1997. Accessed June 18, 2016.
5. Trends in Maternal Mortality: 1990 to 2015,2015