RT Journal Article SR Electronic T1 Adding live, reactive telephone counselling to self-help literature does not increase smoking cessation JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 53 OP 54 DO 10.1136/ebm1054 VO 15 IS 2 A1 Tim Coleman YR 2010 UL http://ebm.bmj.com/content/15/2/53.abstract AB