RT Journal Article SR Electronic T1 Effects of formoterol and salmeterol on cytokine release from monocyte-derived macrophages JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society DO 10.1183/09031936.00158008 A1 L.E. Donnelly A1 S.J. Tudhope A1 P.S. Fenwick A1 P.J. Barnes YR 2009 UL http://erj.ersjournals.com/content/early/2009/11/19/09031936.00158008.abstract AB