RT Journal Article SR Electronic T1 Expiratory flow limitation in divers JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1496 OP 1497 DO 10.1183/09031936.99.13600I99 VO 13 IS 6 A1 PJ Merkus A1 PH Quanjer YR 1999 UL http://erj.ersjournals.com/content/13/6/1496.abstract AB