title: Interpretation of results of supplementation trials.
mesh_terms: D000367:Age Factors; D000747:Anemia, Hypochromic / Q000188:drug therapy*; D002648:Child; D002675:Child, Preschool; D002986:Clinical Trials as Topic; D006400:Hematocrit; D006801:Humans; D007501:Iron / Q000627:therapeutic use*; D008962:Models, Theoretical; D010919:Placebos; D013223:Statistics as Topic / Q000379:methods*; D013785:Thailand
chemical_list: D010919:Placebos; D007501:Iron