What proportion of youth are physically active? Measurement issues, levels and recent time trends

标题
What proportion of youth are physically active? Measurement issues, levels and recent time trends
作者
关键词
-
出版物
BRITISH JOURNAL OF SPORTS MEDICINE
Volume 45, Issue 11, Pages 859-865
出版商
BMJ
发表日期
2011-08-12
DOI
10.1136/bjsports-2011-090190

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