Author/Authors :
R Campbell، نويسنده , , F Starkey، نويسنده , , J Holliday، نويسنده , , S Audrey، نويسنده , , M Bloor، نويسنده , , N Parry-Langdon، نويسنده , , R Hughes، نويسنده , , L Moore، نويسنده ,
Abstract :
Background
Schools in many countries undertake programmes for smoking prevention, but systematic reviews have shown mixed evidence of their effectiveness. Most peer-led approaches have been classroom-based, and rigorous assessments are scarce. We assessed
