No abstract available
MeSH terms
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Adolescent
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Aged
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Aging / physiology*
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Bone Density*
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Child
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Child Nutritional Physiological Phenomena
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Female
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Fractures, Bone / etiology
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Humans
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Osteoporosis, Postmenopausal / genetics
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Osteoporosis, Postmenopausal / metabolism
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Physical Exertion
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Risk Factors
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Twins
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Weight-Bearing