Article
Proportional classifications of COPD phenotypes.
Thorax - 1 Sept 2008
Marsh S E, Travers J, Weatherall M, Williams M V, Aldington S, Shirtcliffe P M, Hansell A L, Nowitz M R, McNaughton A A, Soriano J B, Beasley R W
Abstract excerpt
BACKGROUND: Chronic obstructive pulmonary disease (COPD) encompasses a group of disorders characterised by the presence of incompletely reversible airflow obstruction with overlapping subsets of different phenotypes including chronic bronchitis, emphysema or asthma. The aim of this study was to determine the proportion of adult subjects aged >50 years within each phenotypic subgroup of COPD, defined as a...
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