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Objective —To assess the test-retest reliability and validity of the physical activity questions in the World Health Organisation health behaviour in schoolchildren (WHO HBSC) survey. Methods —In the ...
31 Inspirational Quotes for March 2021 About Luck and Success. Here’s what successful people think about luck–and the most quotable ways they’ve said it.
17 Powerfully Effective Quotes About Purging Negativity from Your Life Once and For All If being positive is difficult for you, there’s a good chance you’re allowing too much negativity into ...
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