RT Journal Article SR Electronic T1 Tobacco control in Massachusetts: making smoking history JF Tobacco Control JO Tob Control FD BMJ Publishing Group Ltd SP ii1 OP ii1 DO 10.1136/tc.11.suppl_2.ii1-a VO 11 IS suppl 2 YR 2002 UL http://tobaccocontrol.bmj.com/content/11/suppl_2/ii1.2.abstract AB