RT Journal Article SR Electronic T1 From the authors JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 437 OP 438 DO 10.1183/09031936.06.00127405 VO 27 IS 2 A1 E. Kostadima A1 A. Kaditis A1 E. Alexopoulos A1 E. Zakynthinos A1 D. Sfyras YR 2006 UL http://erj.ersjournals.com/content/27/2/437.abstract AB