Serum 25-hydroxyvitamin D concentrations in girls aged 4-8 y living in the southeastern United States.

Stein EM, Laing EM, Hall DB, Hausman DB, Kimlin MG, Johnson MA, Modlesky CM, Wilson AR, Lewis RD. Serum 25-hydroxyvitamin D concentrations in girls aged 4-8 y living in the southeastern United States. Am J Clin Nutr. 2006 Jan; 83(1):75-81.

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