PT - JOURNAL ARTICLE AU - J. Slade TI - High participation rates in cigarette brand promotions AID - 10.1136/tc.2.3.248d DP - 1993 Sep 01 TA - Tobacco Control PG - 248 VI - 2 IP - 3 4099 - http://tobaccocontrol.bmj.com/content/2/3/248.4.short 4100 - http://tobaccocontrol.bmj.com/content/2/3/248.4.full SO - Tob Control1993 Sep 01; 2