PT - JOURNAL ARTICLE AU - T. Lahm TI - Sex differences in COPD AID - 10.1183/09031936.00038909 DP - 2009 Jul 01 TA - European Respiratory Journal PG - 288--289 VI - 34 IP - 1 4099 - http://erj.ersjournals.com/content/34/1/288.short 4100 - http://erj.ersjournals.com/content/34/1/288.full SO - Eur Respir J2009 Jul 01; 34