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Secular trends: 10 year comparison of amount & type of physical activity & inactivity of random samples adolescents http://t.co/q3vj4aR1Mv
Secular trends: 10 year comparison of amount & type of physical activity & inactivity of random samples adolescents http://t.co/q3vj4aR1Mv
Secular trends: a ten-year comparison of the amount and type of physical activity and in... http://t.co/cCK40hZT #gaming
Secular Trends: A Ten-Year Comparison of the Amount and Type of Physical Activity and I... http://t.co/7J63fWkA #families
Secular Trends: A 10-Year Comparison of the Amount & Type of #Exercise & Inactivity - #Czech Teens http://ht.ly/6EG3Z