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Folic acid supplementation in early pregnancy and asthma in children aged 6 years

AsthmaNutritionInfant NutritionClinical NutritionPediatricsMaternal HealthFetal HealthChild NutritionPrenatal CareNutritional ScienceMaternal-fetal MedicineMaternal NutritionEarly PregnancyPublic HealthMedicineMicronutrient SupplementationPregnancy Nutrition