PT - JOURNAL ARTICLE AU - J. Kirkby AU - S. Stanojevic AU - L. Welsh AU - S. Lum AU - M. Badier AU - C. Beardsmore AU - A. Custovic AU - K. Nielsen AU - J. Paton AU - W. Tomalak AU - J. Stocks TI - Reference equations for specific airway resistance in children: the asthma UK initiative AID - 10.1183/09031936.00135909 DP - 2010 Feb 11 TA - European Respiratory Journal 4099 - http://erj.ersjournals.com/content/early/2010/02/11/09031936.00135909.short 4100 - http://erj.ersjournals.com/content/early/2010/02/11/09031936.00135909.full