RT Journal Article SR Electronic T1 Residual sleepiness in patients with OSA on CPAP JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1209 OP 1209 DO 10.1183/09031936.00099609 VO 34 IS 5 A1 J. R. Stradling YR 2009 UL http://erj.ersjournals.com/content/34/5/1209.1.abstract AB