Cost and efficiency considerations in community-based trials of vitamin A in developing countries (Q34607463)
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English | Cost and efficiency considerations in community-based trials of vitamin A in developing countries |
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Cost and efficiency considerations in community-based trials of vitamin A in developing countries (English)
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Tielsch JM
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West KP Jr
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1 January 1990
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1-2
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35-41; discussion 41-3
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Identifiers
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