Tobacco (2) Health (2) Girls (2) Children (2) Nicotine addiction (2) monde (1) tabac (1) tabagisme (1) établissement scolaire (1) matériau (1) santé (1) famille (1) consommation (1) comparaison (1) sujet (1) Comparison (1) Children (1) Control (1) Prevention (1) Methods (1) Youth (1) Time (1) Students (1) Stocks (1) Smoking (1) School children (1) Paper (1) Logistics (1) Health education (1) Families (1)