RT Journal Article SR Electronic T1 Sleep apnoea and its impact on public health JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 410 OP 413 DO 10.1136/thx.53.5.410 VO 53 IS 5 A1 Wright, John A1 Sheldon, Trevor YR 1998 UL http://thorax.bmj.com/content/53/5/410.abstract AB