1. National Office Statistics Women Outlive Men, Life Expectancy Continues to Improve http://www.statistics.gov.uk
2. National Offices Statistics Health Expectancy Living longer, More Years in Poor Health http://www.statistic.gov.uk
3. Anaesthesia and the older surgical patient: something old, something new, something borrowed;Crowe;Age Ageing,2004
4. Prevalence and management of coronary heart disease in primary care: population-based cross-sectional study using a disease register;Carroll;J Public Health,2003
5. The Association of Anaesthetists of Great Britain and Ireland Anaesthesia and peri-operative care of the elderly (Report) http://www.aagbi.org/publications/guidelines