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学科
- Friendship[remove]16
- Interpersonal relations6
- True love4
- Youth -- Conduct of life2
- Athletes -- Influence1
- Christian life1
- Conduct of life1
- Dating (Social customs) -- Religious aspects1
- Editorial1
- Editors' link1
- Landscape gardening -- Accidents1
- Mitochondrial myopathy -- Patients1
- Muscles -- Diseases -- Patients1
- Online social networks -- Moral and ethical aspects1
- Parent and teenager1
- Reliability in adolescence1
- Savannah's secret : Part 11
- Seventh-day Adventists -- Conduct of life1
- Sexual orientation1
- Social acceptance -- Juvenile literature1