No abstract available
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Adult
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Aged
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Aged, 80 and over
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Boston
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California
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Chicago
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Evaluation Studies as Topic
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Female
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Health Surveys / methods*
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Humans
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Male
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Middle Aged
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Outcome and Process Assessment, Health Care / methods*
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Surveys and Questionnaires