RT Journal Article SR Electronic T1 Shame-based appeals in a tobacco control public health campaign: potential harms and benefits JF Tobacco Control JO Tob Control FD BMJ Publishing Group Ltd SP 419 OP 420 DO 10.1136/tobaccocontrol-2015-052233 VO 24 IS 5 A1 Cati G Brown-Johnson A1 Judith J Prochaska YR 2015 UL http://tobaccocontrol.bmj.com/content/24/5/419.abstract AB