Jacques BergerVM AguayoWilma TéllezC. LujanPierre TraissacJL San Miguel2026-03-222026-03-22199710.1038/sj.ejcn.1600418https://doi.org/10.1038/sj.ejcn.1600418https://andeanlibrary.org/handle/123456789/46875Citaciones: 72enHemoglobinMedicinePlaceboAnemiaIron deficiencyZinc protoporphyrinIron-deficiency anemiaAnimal scienceInternal medicinePediatricsWeekly iron supplementation is as effective as 5 day per week iron supplementation in Bolivian school children living at high altitudearticle