Discutiendo la hipótesis de la "puerta de entrada" del inicio del uso de drogas ilegales

• मुख्य लेखक: Angélica Ospina-Escobar (लेखक)
• स्वरूप: पुस्तक
• प्रकाशित: Centros de Integración Juvenil A.C., 2016-12-01T00:00:00Z.
• विषय: article
• ऑनलाइन पहुंच: Connect to this object online.

Introduction: data from the National Surveillance System of Addictions show an increasing prevalence of illegal-drug use, most notably in the country's northern border region and in western states, as well as a trend to earlier ages for illegal-drug use initiation. There are few studies in Mexi...