RT Journal Article SR Electronic T1 Omeprazole for asthma with gastro-oesophageal reflux JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1495 OP 1495 DO 10.1183/09031936.99.13614969 VO 13 IS 6 A1 SK Field YR 1999 UL http://erj.ersjournals.com/content/13/6/1495.abstract AB