RT Journal Article SR Electronic T1 Who bears the costs of occupational asthma? JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 92 OP 93 DO 10.1136/thx.2010.151506 VO 66 IS 2 A1 Burge, P Sherwood YR 2011 UL http://thorax.bmj.com/content/66/2/92.abstract AB