REFERENCES
- Office of National Statistics Mortality Statistics. Cause 1999, England and Wales; London: The Stationary Office (1999).
- National Respiratory Training Centre. Impact of Respiratory Conditions: A guide for Primary Care Organisations. Warwick: NRTC (2002).
- Roberts CM, Ryland I, Lowe D, Kelly Y, Bucknall CE, Pearson MG. Clinical audit indicators of outcome following admission to hospital with acute exacerbation of Chronic Obstructive Pulmonary Disease. Thorax 2002; 57:137–141.
- Roberts CM, Barnes S, Lowe D, Pearson MG. Evidence for a link between mortality in acute COPD and hospital type and resources. Thorax 2003; 58:947–949.
- Osman IM, Godden DJ, Friend JA, Legge JS, Douglas JG. Quality of life and hospital readmission in patients with chronic obstructive pulmonary disease. Thorax 1997; 52(1):67–71.
- National COPD Resources and Outcomes Project [NCROP]. Incorporating the National COPD audit 2008. Royal College of Physicians of London, London, 2008. http://www.rcplondon.ac.uk/clinicalstandards/ceeu/Currentwork/Pages/copdaudit.aspx.