1. Gibbons L. Belizán J.M. Lauer J.A. Betrán A.P. Merialdi M. Althabe F. The Global Numbers and Costs of Additionally Needed and Unnecessary Caesarean Sections Performed per Year: Overuse as a Barrier to Universal Coverage http://www.who.int/healthsystems/topics/financing/healthreport/30C-sectioncosts.pdf
2. Births: Final data for 2010;Martin;Natl Vital Stat Rep,2012
3. Health in Rwanda is Improving! Mid Term Review (MTR) of The Rwanda Second Health Sector Strategic Plan (HSSP II, July 2009-June 2012) http://www.internationalhealthpartnership.net/fileadmin/uploads/ihp/Documents/Key_Issues/NHP___JANS/Rwanda_MTR_JANS-2011_FINAL.pdf
4. Antibiotic prophylaxis versus no prophylaxis for preventing infection after cesarean section;Smaill;Cochrane Database Syst Rev,2010
5. Antibiotic prophylaxis in obstetric procedures;van Schalkwyk;J Obstet Gynaecol Can,2010