title: [Decreased tobacco use in the upper grades of middle schools].
mesh_terms: D000293:Adolescent; D005260:Female; D006306:Health Surveys; D006801:Humans; D008297:Male; D012572:School Health Services; D012907:Smoking; D013548:Sweden
vernacular_title: Minskat tobaksbruk i högstadiet senaste fem åren.