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Gegenstand
- Teenagers3
- The wonder years: ages 11-142
- Depression in adolescence1
- Drug abuse1
- Drug abuse -- Prevention1
- Drug use1
- Parent and teenager1
- Parenting1
- Parenting; Separation (Psychology); The wonder years ages 11-141
- Prevention1
- Problem children1
- Religious life1
- Sex instruction1
- Spirituality1
- Suicidal behavior in adolescence1
- Teenagers -- Drug use1
- Teenagers -- Drug use -- Prevention1
- Teenagers -- Religious life1
- The wonder years: Ages 11-141