No abstract available
MeSH terms
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Adult
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Africa / epidemiology
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Asia / epidemiology
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Australia / epidemiology
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Eye Diseases / drug therapy
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Eye Diseases / epidemiology
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Eye Diseases / etiology*
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Humans
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Infant
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Infant, Newborn
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Latin America / epidemiology
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Middle East / epidemiology
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Prevalence
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Vitamin A / metabolism
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Vitamin A / therapeutic use
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Vitamin A Deficiency / complications*
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Vitamin A Deficiency / drug therapy
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Vitamin A Deficiency / epidemiology