RT Journal Article SR Electronic T1 Inspiratory muscle dysfunction in patients with severe obstructive sleep apnoea JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society DO 10.1183/09031936.00190208 A1 M-Y. Chien A1 Y-T. Wu A1 P-L. Lee A1 Y-J. Chang A1 P-C. Yang YR 2009 UL http://erj.ersjournals.com/content/early/2009/07/30/09031936.00190208.abstract AB