No abstract available
MeSH terms
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Adolescent
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Anemia / epidemiology*
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Anemia, Hypochromic / epidemiology
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Anemia, Sickle Cell / epidemiology
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Black or African American
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Child
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Female
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Glucosephosphate Dehydrogenase Deficiency / epidemiology
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Hematocrit
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Hemoglobins
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Humans
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Male
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Pennsylvania