1. ACOG committee opinion: patient safety in obstetrics and gynecology. Number 286, October 2003: Committee on Quality Improvement and Patient Safety;American College of Obstetricians and Gynecologists Committee on Quality Improvement and Patient Safety;Int J Gynaecol Obstet,2004
2. Improving Patient Safety: Risk Management for Maternity and Gynaecology;Royal College of Obstetricians and Gynaecologists,2005
3. Patient safety in obstetrics and gynecology: an agenda for the future;Pearlman;Obstet Gynecol,2006
4. The Healthcare Commission. http://www.healthcarecommission.org.uk. Accessed 2 March 2007
5. National Patient Safety Agency. Home page. http://www.npsa.nhs.uk.