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There are few studies in children, particularly in the UK, aimed at examining relationships between the intake of specific micronutrients and currently accepted biochemical/functional indices of status. Consequently, the normal range of values for biochemical indices of status in this age-group, and the functional significance of low biochemical status, is unknown. Hence, dietary requirements have not been adequately established.
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Southon et al. (1993) studied this question.
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