,使,:

Ruth Ponsford1, G J Melendez-Torres2, Alec Miners3

  • 1Department of Public Health, Environments and Society, London School of Hygiene & Tropical Medicine, London, UK.

概括

整个学校的干预措施促进学生的承诺,以防止物质使用和暴力. 这些项目显示出小但显著的影响,具有潜在的成本效益,但需要进一步的研究以优化.

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