RT Journal Article SR Electronic T1 Evidence, ethics, hubris and the future of second-hand smoke policy JF Tobacco Control JO Tob Control FD BMJ Publishing Group Ltd SP 73 OP 74 DO 10.1136/tc.2007.020552 VO 16 IS 2 A1 Chapman, Simon YR 2007 UL http://tobaccocontrol.bmj.com/content/16/2/73.abstract AB