RT Journal Article SR Electronic T1 Increase in incidence of childhood empyema. JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 932 OP 932 DO 10.1136/thx.52.10.932-a VO 52 IS 10 A1 S D Playfor A1 A R Smyth A1 R J Stewart YR 1997 UL http://thorax.bmj.com/content/52/10/932.1.abstract