PT - JOURNAL ARTICLE ED - , AID - 10.1136/tc.7.2.210 DP - 1998 Jun 01 TA - Tobacco Control PG - 210--212 VI - 7 IP - 2 4099 - http://tobaccocontrol.bmj.com/content/7/2/210.short 4100 - http://tobaccocontrol.bmj.com/content/7/2/210.full SO - Tob Control1998 Jun 01; 7