RT Journal Article SR Electronic T1 Respiratory illness: a complementary perspective JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 898 OP 904 DO 10.1136/thx.53.10.898 VO 53 IS 10 A1 George T Lewith YR 1998 UL http://thorax.bmj.com/content/53/10/898.abstract AB