Abstract - Imperial College London

Although the degree of obstruction has been used to distinguish mild disease, no currently accepted definition exists for ‘early disease’ – due to lack of consensus on what constitutes ‘early’ and ‘disease’ in this context. Concepts of COPD have generally been derived from analysis of older individuals with established disease, emphasized incompletely reversible airflow ... ................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download