PT - JOURNAL ARTICLE AU - E. Weitzenblum TI - Chronic Obstructive Pulmonary Disease (COPD) DP - 2009 Jun 01 TA - European Respiratory Review PG - 133--133 VI - 18 IP - 112 4099 - http://err.ersjournals.com/content/18/112/133.short 4100 - http://err.ersjournals.com/content/18/112/133.full SO - EUROPEAN RESPIRATORY REVIEW2009 Jun 01; 18