RT Journal Article SR Electronic T1 Smoking accessories for cessation? Mixed messages in Hong Kong JF Tobacco Control JO Tob Control FD BMJ Publishing Group Ltd SP 366 OP 367 DO 10.1136/tobaccocontrol-2011-050251 VO 21 IS 3 A1 Mak, Kwok Kei YR 2012 UL http://tobaccocontrol.bmj.com/content/21/3/366.abstract AB