RT Journal Article SR Electronic T1 Tobacco sponsorship is no laughing matter JF Tobacco Control JO Tob Control FD BMJ Publishing Group Ltd SP 82 OP 84 DO 10.1136/tc.8.1.82 VO 8 IS 1 A1 TIMOTHY DEWHIRST YR 1999 UL http://tobaccocontrol.bmj.com/content/8/1/82.abstract AB