PT - JOURNAL ARTICLE ED - , AID - 10.1136/tc.7.3.299 DP - 1998 Sep 01 TA - Tobacco Control PG - 299--300 VI - 7 IP - 3 4099 - http://tobaccocontrol.bmj.com/content/7/3/299.short 4100 - http://tobaccocontrol.bmj.com/content/7/3/299.full SO - Tob Control1998 Sep 01; 7