RT Journal Article SR Electronic T1 You've got mail: erj@lumc.nl JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1 OP 2 DO 10.1183/09031936.03.00090502 VO 21 IS 1 A1 P.J. Sterk A1 K.F. Rabe YR 2003 UL http://erj.ersjournals.com/content/21/1/1.abstract AB