PT - JOURNAL ARTICLE AU - P. Lévy TI - <em>From the author:</em> AID - 10.1183/09031936.00111109 DP - 2009 Nov 01 TA - European Respiratory Journal PG - 1210--1211 VI - 34 IP - 5 4099 - http://erj.ersjournals.com/content/34/5/1210.short 4100 - http://erj.ersjournals.com/content/34/5/1210.full SO - Eur Respir J2009 Nov 01; 34