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  • Title: Calcium absorption in infants and small children: methods of determination and recent findings.
    Author: Abrams SA.
    Journal: Nutrients; 2010 Apr; 2(4):474-80. PubMed ID: 22254034.
    Abstract:
    Determining calcium bioavailability is important in establishing dietary calcium requirements. In infants and small children, previously conducted mass balance studies have largely been replaced by stable isotope-based studies. The ability to assess calcium absorption using a relatively short 24-hour urine collection without the need for multiple blood samples or fecal collections is a major advantage to this technique. The results of these studies have demonstrated relatively small differences in calcium absorption efficiency between human milk and currently available cow milk-based infant formulas. In older children with a calcium intake typical of Western diets, calcium absorption is adequate to meet bone mineral accretion requirements.
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