RT Journal Article SR Electronic T1 Nebulisers for the elderly JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 53 DO 10.1136/thx.52.2008.S53 VO 52 IS suppl 2 A1 Pounsford, JC YR 1997 UL http://thorax.bmj.com/content/52/suppl_2/53.abstract AB