PT - JOURNAL ARTICLE ED - BMJ Publishing Group Ltd TI - Ad watch AID - 10.1136/tc.2.4.328 DP - 1993 Dec 01 TA - Tobacco Control PG - 328 VI - 2 IP - 4 4099 - http://tobaccocontrol.bmj.com/content/2/4/328.short 4100 - http://tobaccocontrol.bmj.com/content/2/4/328.full SO - Tob Control1993 Dec 01; 2