RT Journal Article SR Electronic T1 Hyperleptinemia, respiratory drive and hypercapnic response in obese patients JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society DO 10.1183/09031936.00115006 A1 A. Campo A1 G. Frühbeck A1 J.J. Zulueta A1 J. Iriarte A1 L.M. Seijo A1 A.B. Alcaide A1 J.B. Galdiz A1 J. Salvador YR 2007 UL http://erj.ersjournals.com/content/early/2007/04/25/09031936.00115006.abstract AB