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Why have physical activity levels declined among Chinese adults? Findings from the 1991–2006 China health and nutrition surveys
Shu Wen Ng, Edward C. Norton, Barry M. PopkinVolume:
68
Year:
2009
Language:
english
Pages:
10
DOI:
10.1016/j.socscimed.2009.01.035
File:
PDF, 246 KB
english, 2009