RT Journal Article SR Electronic T1 FEV6: a shortcut in spirometry? JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 245 OP 247 DO 10.1183/09031936.06.00134405 VO 27 IS 2 A1 O. F. Pedersen YR 2006 UL http://erj.ersjournals.com/content/27/2/245.abstract AB