TY - STAND AU - S. Turner AU - K. Richardson AU - A. Burden AU - M. Thomas AU - C. Murray AU - D. Price BT - NPJ Prim Care Respir Med DO - 10.1038/npjpcrm.2015.41 PY - 2015 EP - 15041 T2 - NPJ Prim Care Respir Med TI - Initial step-up treatment changes in asthmatic children already prescribed inhaled corticosteroids: a historical cohort study VL - 25 SN - 2055-1010 ER -