Eisenga, Michele F Definition of functional iron deficiency and intravenous iron supplementation. [electronic resource] - The Lancet. Haematology 11 2016 - e504 p. digital Publication Type: Letter; Comment ISSN: 2352-3026 Standard No.: 10.1016/S2352-3026(16)30152-1 doi Subjects--Topical Terms: AnemiaAnemia, Iron-DeficiencyDietary SupplementsFerric CompoundsHumansIronMaltose--analogs & derivativesProspective Studies