The relevance of chronic respiratory symptoms without airflow obstruction : health-related characteristics and impact on patient prognosis
Individuals reporting chronic respiratory symptoms without airflow obstruction (AFO) were originally classified as “at risk” stage (GOLD Stage 0) of Chronic Obstructive Pulmonary Disease (COPD). However, this stage was removed due to lack of evidence regarding its progression to diagnosed COPD. Ther...
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University of Birmingham
2016
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| Online Access: | https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.687479 |