RT Journal Article SR Electronic T1 Cognitive dissident JF Tobacco Control JO Tob Control FD BMJ Publishing Group Ltd SP 116 OP 116 DO 10.1136/tc.7.2.116f VO 7 IS 2 A1 RONALD M DAVIS YR 1998 UL http://tobaccocontrol.bmj.com/content/7/2/116.7.abstract AB