Variability of the chronic obstructive pulmonary disease key epidemiological data in Europe: systematic review


BACKGROUND Chronic obstructive pulmonary disease (COPD) is predicted to become a major cause of death worldwide. Studies on the variability in the estimates of key epidemiological parameters of COPD may contribute to better assessment of the burden of this disease and to helpful guidance for future research and public policies. In the present study, we… (More)
DOI: 10.1186/1741-7015-9-7


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