TY - STAND AU - F. de Vries AU - E. Setakis AU - B. Zhang AU - T. van Staa BT - Eur Respir J DO - 10.1183/09031936.00124209 M1 - 3 PY - 2010 SP - 494 EP - 502 T2 - Eur Respir J TI - Long-acting beta2-agonists in adult asthma and the pattern of risk of death and severe asthma outcomes: a study using the GPRD VL - 36 SN - 0903-1936 ER -