Cohort Profile: The China Health and Nutrition Survey—monitoring and understanding socio-economic and health change in China, 1989–2011
Popkin, Barry M ; Du, Shufa ; Zhai, Fengying ; Zhang, Bing
International journal of epidemiology, 2010-12, Vol.39 (6), p.1435-1440 [Periódico revisado por pares]Oxford: Oxford University Press
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