1. The natural history of chronic obstructive pulmonary disease (COPD) is a mixture of the natural history of the various phenotypes making up the umbrella term COPD. The potential phenotypes implicated in the natural history of COPD are shown.
The natural history of chronic obstructive pulmonary disease (COPD) is a mixture of the natural history of the various phenotypes making up the umbrella term COPD. The potential phenotypes implicated in the natural history of COPD are shown. BHR: bronchial hyperresponsiveness.
D. M. Mannino et al. Eur Respir J 2006;27:
©2006 by European Respiratory Society