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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Child
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Child, Preschool
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Education
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Female
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Health Surveys
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Humans
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Income
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Infant
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Male
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Michigan
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Middle Aged
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Orthomyxoviridae / isolation & purification
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Personal Health Services / statistics & numerical data
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Respiratory Tract Infections / epidemiology*
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Respiratory Tract Infections / microbiology
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Respirovirus / isolation & purification
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Rhinovirus / isolation & purification
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Sex Factors
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Socioeconomic Factors
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Streptococcus / isolation & purification