RT Journal Article SR Electronic T1 From the Authors JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 188 OP 188 DO 10.1183/09031936.03.00025503 VO 22 IS 1 A1 L. Wood A1 P.G. Gibson A1 M. Garg YR 2003 UL http://erj.ersjournals.com/content/22/1/188.1.abstract AB