1. Global Health Council: Making Childbirth Safer Through Promoting Evidence-Based Care [Technical Report]. 2002, [http://www.globalhealth.org/sources/view.php3?id=287]
2. World Health Organization: Maternal mortality in 2000: estimates developed by WHO, UNICEF and UNFPA. Geneva. 2004, [http://childinfo.org/areas/maternalmortality/index.php]
3. Maternal Mortality Update 1998–1999. United Nations Population Fund.
4. Save the children: State of the world's newborns report. 2006, [http://www.savethechildren.org/publications/newborns_report.pdf]
5. South East Asian Research Office, WHO, Reproductive Health and Research. [http://www.searo.who.int/EN/Section13/Section36.asp]