1. NICE. Chronic obstructive pulmonary disease - Management of chronic obstructive pulmonary disease in adults in primary and secondary care; CG101 Chronic obstructive pulmonary disease (update). (2010) Available from:
https://www.nice.org.uk/guidance/CG101
.
2. NICE. Chronic Obstructive Pulmonary Disease Costing Report; Implementing NICE guidelines. National Insititute for Clinical Excellence (2011) Available from:
https://www.nice.org.uk/guidance/cg101/resources/costing-report-134511805
.
3. Global Initiative for Chronic Obstructive Pulmonary Disease. Global strategy for diagnosis, management, and prevention of chronic obstructive pulmonary disease (2016) Available from:
http://goldcopd.org/global-strategy-diagnosis-management-prevention-copd-2016/
.
4. Department of Health. An Outcomes Strategy for Chronic Obstructive Pulmonary Disease (COPD) and Asthma in England Department of Health (2011) Available from:
http://www.dh.gov.uk/publications
:
5. Shahab, L., Jarvis, M. J., Britton, J. & West, R. Prevalence, diagnosis and relation to tobacco dependence of chronic obstructive pulmonary disease in a nationally representative population sample. Thorax 61, 1043–1047 (2006).