RT Journal Article SR Electronic T1 Preface JF Tobacco Control JO Tob Control FD BMJ Publishing Group Ltd SP S1 OP S1 DO 10.1136/tc.4.suppl2.S1 VO 4 IS Suppl 2 A1 John M Pinney YR 1995 UL http://tobaccocontrol.bmj.com/content/4/Suppl_2/S1.abstract AB