title: Smoking prevention for Ontario school children: we know what works, now let's make it happen.
mesh_terms: D000293:Adolescent; D002648:Child; D005260:Female; D006266:Health Education / Q000379:methods; D006801:Humans; D008297:Male; D009864:Ontario; D012574:Schools; D000074606:Smoking Prevention; D012919:Social Behavior