RT Journal Article SR Electronic T1 Diaphragm dysfunction in chronic obstructive pulmonary disease: role for heparan sulfate? JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society DO 10.1183/09031936.00125106 A1 C.A.C. Ottenheijm A1 G.J. Jenniskens A1 M.C.P. Geraedts A1 T. Hafmans A1 L.M.A. Heunks A1 T.H. van Kuppevelt A1 P.N.R. Dekhuijzen YR 2007 UL http://erj.ersjournals.com/content/early/2007/03/28/09031936.00125106.abstract AB