الفهرس 
SUMMARY and conclusionsOnly 14 pages are availabe for public view
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Abstract
Vitamin D insufficiency is a common problem in pediatrics, especially those who have chronic illness, and who are malnourished, limited geographically to the amount of sun exposure, as well as those with darker skin, and on chronic medications. The accelerated rate of bone development during a child’s life suggests that adequate concentrations of vitamin D are an important issue in this population. Although more research is needed concerning the goals of vitamin D therapy and dosing in this population, there are helpful evidence-based guidelines to direct therapy for rickets, CKD, and CF. More research is needed to evaluate the efficacy of vitamin D supplementations for pediatric patients with asthma and sickle cell disease. In patients with growth delays or reasons to suspect deficiency, calcidiol concentrations should be evaluated to assess the need for supplementation.