No abstract available
MeSH terms
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Aged
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Aged, 80 and over
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Attitude to Health
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China
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Family Characteristics*
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Female
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Health Services / economics
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Health Services / statistics & numerical data*
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Health Services Accessibility / economics
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Health Services Accessibility / organization & administration*
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Health Status
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Humans
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Male
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Mental Health
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Middle Aged
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Poverty*
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Rural Population*
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Social Support
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Socioeconomic Factors
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Telephone
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Urban Population