TY - STAND AU - M. Frischer AU - H. Heatlie AU - S. Chapman AU - J. Norwood AU - J. Bashford AU - D. Millson BT - Public Health DO - 10.1038/sj.ph.1900583 M1 - 5 PY - 1999 SP - 247 EP - 50 T2 - Public Health TI - Should the corticosteroid to bronchodilator ratio be promoted as a quality prescribing marker? VL - 113 SN - 0033-3506 (Print) 0033-3506 ER -