[Primary prevention of substance dependence in adolescents. Description of a project in Santiago, Chile].
D000293:Adolescent; D002677:Chile; D006266:Health Education; D006801:Humans; D011322:Primary Prevention / Q000379:methods*; D000297:Psychology, Adolescent; D019966:Substance-Related Disorders / Q000517:prevention & control* / Q000523:psychology
Prevención primaria de las dependencias químicas en adolescentes. Descripción de un proyecto en Santiago, Chile.