RT Journal Article SR Electronic T1 From the Authors JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 394 OP 394 DO 10.1183/09031936.03.00033903 VO 22 IS 2 A1 Paredi, P. A1 Kharitonov, S.A. A1 Barnes, P.J. YR 2003 UL http://erj.ersjournals.com/content/22/2/394.abstract AB