PT - JOURNAL ARTICLE AU - H. Lode TI - Introduction AID - 10.1183/09059180.00010301 DP - 2007 Aug 01 TA - European Respiratory Review PG - 31--32 VI - 16 IP - 103 4099 - http://err.ersjournals.com/content/16/103/31.short 4100 - http://err.ersjournals.com/content/16/103/31.full SO - EUROPEAN RESPIRATORY REVIEW2007 Aug 01; 16