TY - JOUR T1 - The lighter side JF - Tobacco Control JO - Tob Control SP - 242 DO - 10.1136/tc.2.3.242 VL - 2 IS - 3 A2 - , Y1 - 1993/09/01 UR - http://tobaccocontrol.bmj.com/content/2/3/242.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -