S10 The Impact of Omalizumab on Lung Function and Quality of Life in Patients with Severe Allergic Asthma in UK Clinical Practice: A multi-centre prospective observational study – APEX II
S10 The Impact of Omalizumab on Lung Function and Quality of Life in Patients with Severe Allergic Asthma in UK Clinical Practice: A multi-centre prospective observational study – APEX II