No abstract available
Publication types
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Comparative Study
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Letter
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Research Support, Non-U.S. Gov't
MeSH terms
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Adolescent
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Adult
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Aged
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Aged, 80 and over
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Asian People / statistics & numerical data
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Black People / statistics & numerical data
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Black or African American / statistics & numerical data
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Child
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Child, Preschool
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Ethnicity / statistics & numerical data*
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Female
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Humans
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Lung Diseases / diagnosis*
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Lung Diseases / therapy*
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Male
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Middle Aged
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Population Groups / statistics & numerical data*
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Practice Guidelines as Topic*
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Respiratory Function Tests / standards*
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South Africa / epidemiology
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Spirometry / standards*
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White People / statistics & numerical data
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Young Adult