1. Saving Mothers’ Lives: Reviewing maternal deaths to make motherhood Safer: 2006–2008. The Eighth Report on Confidential Enquiries into Maternal Deaths in the United Kingdom;BJOG,2011
2. Dolea C, Stein C. Global Burden of disease 2000. http://www.who.int/healthinfo/statistics/bod_maternalsepsis.pdf [accessed June 2011].
3. Scottish NHS Quality Improvement Scotland. Scottish Confidential Audit of Severe Maternal Morbidity. 6th Annual Report. Edinburgh. NHS QIS; 2010.
4. Maternal intensive care and near-miss mortality in obstetrics;Baskett;BJOG,1998
5. Death in Childbirth: an International Study of Maternal Care and Maternal Mortality 1800–1950;Loudon,1992