| 标题 |
A multi-level examination of school programs, policies and resources associated with physical activity among elementary school youth in the PLAY-ON study |
| 网址 | |
| DOI | |
| 其它 |
期刊:The international journal of behavioral nutrition and physical activity 作者:Leatherdale ST; Manske S; Faulkner G; Arbour K; Bredin C 出版日期:2010/01/25 |
| 求助人 | |
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(2025-6-4)