P48 Prevalence And Determinants Of Vitamin D Deficiency In Asthma Patients
DA Jolliffe, AR Martineau, BM Maclaughlin, KK Kiplin, PMT Timms, CAM Mein, RW Walton, CJG Griffiths
Thorax Dec 2014, 69 (Suppl 2) A94-A95; DOI: 10.1136/thoraxjnl-2014-206260.189