No abstract available
MeSH terms
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Adolescent
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Arizona
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Child
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Humans
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Indians, North American
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Mass Screening
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Pyrimidines / therapeutic use*
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Sulfonamides / therapeutic use
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Tetracycline / therapeutic use*
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Trachoma / epidemiology
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Trachoma / prevention & control*
Substances
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Pyrimidines
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Sulfonamides
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Tetracycline