J. Vestbo

Seasonality and determinants of moderate and severe COPD exacerbations in the TORCH study

P. Calverley, C. Jenkins, B. Celli, 2011, European Respiratory Journal.

Evaluation of COPD Longitudinally to Identify Predictive Surrogate End-points (ECLIPSE)

W. MacNee, H. O. Coxson, L. Edwards, 2008, European Respiratory Journal.

Standards for the diagnosis and treatment of patients with COPD: a summary of the ATS/ERS position paper

W. MacNee, R. Pauwels, R. Zuwallack, 2004, European Respiratory Journal.

The natural history of chronic obstructive pulmonary disease

G. Davey Smith, D. Mannino, G. Watt, 2006, European Respiratory Journal.