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Vitamin A supplementation and risk of atopy: Long-term follow-up of a randomized trial of vitamin A supplementation at six and nine months of age
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The World Health Organization recommends high-dose vitamin A supplementation (VAS) for children above six months of age in low-income countries. VAS has been associated with up-regulation of the Th2 response. We aimed to determine if VAS is associated with atopy in childhood.
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