PT - JOURNAL ARTICLE AU - S Chapman TI - Harm reduction AID - 10.1136/tc.12.4.341 DP - 2003 Dec 01 TA - Tobacco Control PG - 341--341 VI - 12 IP - 4 4099 - http://tobaccocontrol.bmj.com/content/12/4/341.short 4100 - http://tobaccocontrol.bmj.com/content/12/4/341.full SO - Tob Control2003 Dec 01; 12