title: Smoking among Norwegian schoolchildren 1975-1980. III. The effect of anti-smoking campaigns.
mesh_terms: D000293:Adolescent; D002648:Child; D005260:Female; D006266:Health Education / Q000379:methods*; D006801:Humans; D008297:Male; D010290:Parents; D012737:Sex Factors; D000074606:Smoking Prevention