1. Clinical Effectiveness Support Unit. The National Sentinel Caesarean Section Audit Report;Royal College of Obstetricians and Gynaecologists,2001
2. Report on Confidential Enquiries into Maternal Deaths in England and Wales 1955–1957;Ministry of Health,1960
3. Report on Confidential Enquiries into Maternal Deaths in England and Wales 1961–1963;Ministry of Health,1966
4. Checking Anaesthetic Equipment 3;Association of Anaesthetists of Great Britain and Ireland,2004
5. The CCST in Anaesthesia;Royal College of Anaesthetists,2003