TY - JOUR JF - Tobacco Control JO - Tob Control SP - 112 LP - 112 DO - 10.1136/tc.12.1.112 VL - 12 IS - 1 A2 - , Y1 - 2003/03/01 UR - http://tobaccocontrol.bmj.com/content/12/1/112.abstract N2 - ©The New … ER -