title: Letter: Iron fortification of wheat flour.
mesh_terms: D000328:Adult; D000367:Age Factors; D005260:Female; D005433:Flour; D005527:Food, Fortified; D006801:Humans; D007501:Iron; D007878:Legislation as Topic; D012737:Sex Factors; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D007501:Iron