RT Journal Article SR Electronic T1 Treatment of concurrent OSA may benefit patients with heart failure JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 509 OP 509 DO 10.1136/thorax.58.6.509 VO 58 IS 6 A1 Chakravorty, I YR 2003 UL http://thorax.bmj.com/content/58/6/509.abstract AB