title: Alcohol, drug, tobacco and sniffing practices among Swedish schoolchildren 1971-1974.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D000428:Alcohol Drinking; D005260:Female; D006801:Humans; D008297:Male; D012907:Smoking / Q000453:epidemiology*; D019966:Substance-Related Disorders / Q000453:epidemiology*; D013548:Sweden