
FIGURE I-8 Cumulative distribution of serum 25OHD (QC Aajusted) for > 70-year-olds in the United States for the 2003 to 2006 time period.
SOURCE: NHANES 2003–2006.
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Appendix I: Proportion of the Population Above and Below 40 nmol/L Serum 25-Hydroxyvitamin D Concentrations and Cumulative Distribution of Serum 25-Hydroxyvitamin D Concentrations: United States and Canada ."
Dietary Reference Intakes for Calcium and Vitamin D . Washington, DC: The National Academies Press,
2011 .
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