1. Cocaine, its history, uses and effects;Ashley,1975
2. Survey of drug use by secondary students in New South Wales;Baker,1986
3. Youth at risk;Beinart,2002
4. Preventing illicit drug use in adolescents: Long-term follow-up data from a randomized control trial of a school population;Botvin;Addictive Behaviours,2000
5. Reading between the lines: Is cocaine becoming the stimulant of choice for urban youth?;Boys;Druglink,1999