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Assessing validity of a short food frequency questionnaire on present dietary intake of elderly Icelanders

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Tinna Eysteinsdottir^*, Inga Thorsdottir, Ingibjorg Gunnarsdottir and Laufey Steingrimsdottir

Nutrition Journal 2012, 11:12 doi:10.1186/1475-2891-11-12

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