title: Extrinsic tagging in iron bioavailability research: a critical review.
mesh_terms: D000042:Absorption; D000818:Animals; D002712:Chlorides; D004032:Diet; D002523:Edible Grain; D004531:Eggs; D007887:Fabaceae; D005290:Ferric Compounds / Q000008:administration & dosage; D005296:Ferrous Compounds / Q000008:administration & dosage; D005504:Food Analysis; D006801:Humans; D007501:Iron / Q000378:metabolism*; D007504:Iron Radioisotopes; D009753:Nutritive Value; D010946:Plants, Medicinal
chemical_list: D002712:Chlorides; D005290:Ferric Compounds; D005296:Ferrous Compounds; D007504:Iron Radioisotopes; C020748:ferrous sulfate; D007501:Iron; C024555:ferric chloride