Att förebygga psykisk ohälsa hos ungdomar med hjälp av systematiska skolbaser...
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https://b2find.eudat.eu/dataset/1f9369c7-2c10-5501-8e7f-bae739d73a67
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资源简介:
The data collection started in 2012 when students in grade 8 answered a questionnaire. The students were followed up after 3 months and after 12 months. Additional data...



