PT - JOURNAL ARTICLE AU - Saul Shiffman TI - Introduction AID - 10.1136/tc.4.suppl2.S3 DP - 1995 Sep 01 TA - Tobacco Control PG - S3--S3 VI - 4 IP - Suppl 2 4099 - http://tobaccocontrol.bmj.com/content/4/Suppl_2/S3.1.short 4100 - http://tobaccocontrol.bmj.com/content/4/Suppl_2/S3.1.full SO - Tob Control1995 Sep 01; 4