No abstract available
Publication types
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Letter
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Research Support, Non-U.S. Gov't
MeSH terms
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Aged, 80 and over
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Cholecalciferol / administration & dosage*
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Dietary Supplements*
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Female
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Humans
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Long-Term Care
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Male
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Ontario
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Vitamin D / analogs & derivatives*
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Vitamin D / blood
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Vitamins / blood*
Substances
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Vitamins
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Vitamin D
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Cholecalciferol
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25-hydroxyvitamin D