No abstract available
MeSH terms
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Adolescent
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Anemia, Sickle Cell / complications
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Anemia, Sickle Cell / epidemiology
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Anemia, Sickle Cell / physiopathology*
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Asthma / complications
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Asthma / diagnosis*
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Asthma / physiopathology
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Child
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Child, Preschool
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Female
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Humans
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Lung / physiopathology*
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Male
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Nigeria / epidemiology
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Spirometry / economics*
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Spirometry / methods