1. World Health Organization European health report 2012: charting the way to well-being http://www.euro.who.int/__data/assets/pdf_file/0003/184161/The-European-Health-Report-2012,-FULL-REPORT-w-cover.pdf
2. Government to increase retirement age and axe final salary pensions;Jaques;BMJ Careers,2011
3. Working beyond age 60 doesn't affect performance, review finds;Jaques;BMJ Careers,2013
4. Department of Health The NHS in England http://www.nhs.uk/NHSEngland/thenhs/about/Pages/overview.aspx