No abstract available
Publication types
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Research Support, Non-U.S. Gov't
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Review
MeSH terms
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Adolescent
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Bone Density / physiology*
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Bone Development / physiology*
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Calcium / metabolism
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Child
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Diet
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Exercise
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Health Behavior
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Humans
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Osteoporosis / epidemiology
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Osteoporosis / prevention & control*
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Time Factors
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Vitamin D / metabolism