RT Journal Article SR Electronic T1 Inhaled corticosteroids: benefits and risks. JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 404 OP 407 DO 10.1136/thx.47.6.404 VO 47 IS 6 A1 D M Geddes YR 1992 UL http://thorax.bmj.com/content/47/6/404.abstract AB