RT Journal Article SR Electronic T1 Esomeprazole does not improve asthma control JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 915 OP 915 VO 64 IS 10 A1 J Alagaratnam YR 2009 UL http://thorax.bmj.com/content/64/10/915.abstract AB