PT - JOURNAL ARTICLE AU - Marc Humbert TI - You say goodbye, and I say hello! AID - 10.1183/09059180.00006112 DP - 2012 Dec 01 TA - European Respiratory Review PG - 265--266 VI - 21 IP - 126 4099 - http://err.ersjournals.com/content/21/126/265.short 4100 - http://err.ersjournals.com/content/21/126/265.full SO - EUROPEAN RESPIRATORY REVIEW2012 Dec 01; 21