No abstract available
MeSH terms
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Aged
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Aged, 80 and over
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Bone Density
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China / epidemiology
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Female
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Fractures, Spontaneous / epidemiology
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Hip Fractures / epidemiology
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Humans
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Incidence
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Male
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Middle Aged
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Osteoporosis / epidemiology*
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Spinal Fractures / epidemiology