Health Risks and Developmental Transitions during Adolescence Schulenberg John Innbundet / 1997 / Engelsk
Health Risks and Developmental Transitions during Adolescence Schulenberg John Heftet / 1999 / Engelsk
Smoking, Drinking, and Drug Use in Young Adulthood The Impacts of New Freedoms and New Responsibilities Bachman Jerald G. Innbundet / 1997 / Engelsk
Smoking, Drinking, and Drug Use in Young Adulthood The Impacts of New Freedoms and New Responsibilities Bachman Jerald G. Heftet / 1997 / Engelsk