文献检索/BMC Public HealthEM-T2BMC Public Health2026-09-03开放获取Impact of a national educational intervention on academic burden and health-related behaviours among children and adolescents in China: a repeated cross-sectional studyJia-Shuan HuangGuangzhou Women and Children Medical CenterYi SunGuangzhou Center for Disease Control and PreventionXuan-Yu ZhangGuangzhou Medical UniversityDong-Rui ZhuangGuangzhou Medical UniversityW J LiuGuangzhou Center for Disease Control and PreventionJianrong HeGuangzhou Women and Children Medical CenterRong LinGuangzhou Center for Disease Control and Prevention去出版社页面 引用论文图谱收藏 被引提醒分享打印登录后看摘要和中文要点英文摘要、AI 生成的中文摘要和三条要点、参考文献和引证文献列表、论文图谱，注册免费。登录 / 注册关键词Double Reduction policyacademic workloadhomework timeextracurricular tutoringhealth behaviorsedentary timemoderate-to-vigorous physical activitysleep durationchildren and adolescentseducation policy evaluationurban-rural differencesGuangzhou参考文献0引证文献0相似文献引文网络关联作者相关机构登录后可以看完整列表。去登录论文图谱本篇和它的参考文献、引证文献、相似文献登录后可以看这篇的论文图谱：谁被它引用、谁引用了它、还有哪些相似的研究。登录 / 注册
