1. Standards for the diagnosis and treatment of patients with COPD: A summary of the ATS/ERS position paper;Celli;Eur Respir J,2004
2. GOLD Executive and Science Committees, a, G.E., S. Global strategy for the diagnosis, management, and prevention of chronic obstructive pulmonary disease, 2007
3. Optimal assessment and management of chronic obstructive pulmonary disease (COPD);Siafakas;Eur Respir J,1995
4. Risk factors associated with irreversible airflow limitation in asthma;ten Brinke;Curr Opin Allergy Clin Immunol,2008
5. Severe exacerbations predict excess lung function decline in asthma;Bai;Eur Respir J,2007