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Open Access Research

Effectiveness of the National Program of Complementary Feeding for older adults in Chile on vitamin B12 status in older adults; secondary outcome analysis from the CENEX Study (ISRCTN48153354)

Hugo Sanchez, Cecilia Albala*, Lydia Lera, Alan D Dangour and Ricardo Uauy

Nutrition Journal 2013, 12:124  doi:10.1186/1475-2891-12-124

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