No abstract available
MeSH terms
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Adolescent
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Adult
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Age Factors
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Aged
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Black or African American
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Child
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Child, Preschool
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Chronic Disease
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Family Characteristics
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Female
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House Calls / statistics & numerical data
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Humans
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Income
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Infant
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Infant, Newborn
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Male
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Middle Aged
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Personal Health Services / statistics & numerical data
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Physicians / statistics & numerical data*
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Residence Characteristics
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Sex Factors
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United States
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White People