Vitamin A supplementation and dietary vitamin A in relation to the risk of xerophthalmia

WW Fawzi, M. Guillermo Herrera, WC Willett, A. Amin, Penelope Nestel, SAMUEL T. LIPSITZ, D Spiegelman, KA Mohamed

American Journal of Clinical Nutrition · 1993 · 37 citations · 34 references

Concepts

References

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