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学科
- Drug use[remove]87
- Teenagers67
- Teenagers -- Drug use65
- Drug abuse27
- Ask Gary18
- Prevention17
- Drug abuse -- Prevention14
- Teenagers -- Drug use -- Prevention13
- Just between us8
- Marijuana8
- Alcohol use7
- Conduct of life7
- Teenagers -- Conduct of life6
- Yo! Jenny5
- Problem families4
- Teenagers -- Alcohol use4
- Teenagers -- Tobacco use4
- Tobacco use4
- Friendship3
- Parent and teenager3