Drug abuse among students in the State of Minas Gerais, Brazil.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001938:Brazil; D005106:Exploratory Behavior; D005260:Female; D006801:Humans; D008297:Male; D013334:Students; D019966:Substance-Related Disorders / Q000453:epidemiology* / Q000523:psychology; D011795:Surveys and Questionnaires