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Iron and zinc supplementation improves indicators of vitamin A status of Mexican preschoolers

NutritionNutrition DevelopmentPublic Health NutritionZinc SupplementationNutrient BioavailabilityPublic HealthMexican PreschoolersVitamin A StatusMicronutrient SupplementationEarly Childhood DevelopmentMicronutrientsChild DevelopmentNutritional RequirementInfant NutritionPediatricsChild NutritionNutritional SciencesNutritional ScienceHuman NutritionMedicine