RT Journal Article SR Electronic T1 Airway resistance variability and response to bronchodilator in children with asthma JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society DO 10.1183/09031936.00064006 A1 Lall, C.A. A1 Cheng, N. A1 Hernandez, P. A1 Pianosi, P.T. A1 Dali, Z. A1 Abouzied, A. A1 Maksym, G.N. YR 2007 UL http://erj.ersjournals.com/content/early/2007/03/01/09031936.00064006.abstract AB