Nathell, L.; Nathell, M.; Malmberg, P.; Larsson, K. «COPD diagnosis related to different guidelines and spirometry techniques». Respiratory research, 8, 1, 2007, pàg. 89. DOI: 10.1186/1465-9921-8-89. PMC: 2217523. PMID: 18053200.
Laniado-Laborín, R «Smoking and chronic obstructive pulmonary disease (COPD). Parallel epidemics of the 21st century». International journal of environmental research and public health, 6, 1, 1-2009, pàg. 209–24. DOI: 10.3390/ijerph6010209. PMC: 2672326. PMID: 19440278.
Mahler DA «Mechanisms and measurement of dyspnea in chronic obstructive pulmonary disease». Proceedings of the American Thoracic Society, 3, 3, 2006, pàg. 234–8. DOI: 10.1513/pats.200509-103SF. PMID: 16636091.
Holland AE, Hill CJ, Jones AY, McDonald CF «Breathing exercises for chronic obstructive pulmonary disease». Cochrane Database Syst Rev, 10, 2012, pàg. CD008250. DOI: 10.1002/14651858.CD008250.pub2. PMID: 23076942.
Brulotte CA, Lang ES «Acute exacerbations of chronic obstructive pulmonary disease in the emergency department». Emerg. Med. Clin. North Am., 30, 2, 5-2012, pàg. 223–47, vii. DOI: 10.1016/j.emc.2011.10.005. PMID: 22487106.
Beasley, V; Joshi, PV; Singanayagam, A; Molyneaux, PL; Johnston, SL «Lung microbiology and exacerbations in COPD». International journal of chronic obstructive pulmonary disease, 7, 2012, pàg. 555–69. DOI: 10.2147/COPD.S28286. PMC: 3437812. PMID: 22969296.
Anita Sharma ; with a contribution by David Pitchforth ; forewords by Gail Richards; Barclay, Joyce. COPD in primary care. Oxford: Radcliffe Pub., 2010, p. 9. ISBN 978-1-84619-316-3.
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Nathell, L.; Nathell, M.; Malmberg, P.; Larsson, K. «COPD diagnosis related to different guidelines and spirometry techniques». Respiratory research, 8, 1, 2007, pàg. 89. DOI: 10.1186/1465-9921-8-89. PMC: 2217523. PMID: 18053200.
Laniado-Laborín, R «Smoking and chronic obstructive pulmonary disease (COPD). Parallel epidemics of the 21st century». International journal of environmental research and public health, 6, 1, 1-2009, pàg. 209–24. DOI: 10.3390/ijerph6010209. PMC: 2672326. PMID: 19440278.
Mahler DA «Mechanisms and measurement of dyspnea in chronic obstructive pulmonary disease». Proceedings of the American Thoracic Society, 3, 3, 2006, pàg. 234–8. DOI: 10.1513/pats.200509-103SF. PMID: 16636091.
Holland AE, Hill CJ, Jones AY, McDonald CF «Breathing exercises for chronic obstructive pulmonary disease». Cochrane Database Syst Rev, 10, 2012, pàg. CD008250. DOI: 10.1002/14651858.CD008250.pub2. PMID: 23076942.
Brulotte CA, Lang ES «Acute exacerbations of chronic obstructive pulmonary disease in the emergency department». Emerg. Med. Clin. North Am., 30, 2, 5-2012, pàg. 223–47, vii. DOI: 10.1016/j.emc.2011.10.005. PMID: 22487106.
Beasley, V; Joshi, PV; Singanayagam, A; Molyneaux, PL; Johnston, SL «Lung microbiology and exacerbations in COPD». International journal of chronic obstructive pulmonary disease, 7, 2012, pàg. 555–69. DOI: 10.2147/COPD.S28286. PMC: 3437812. PMID: 22969296.