title: Upper respiratory tract infections in relation to iron medication in healthy students.
mesh_terms: D000740:Anemia / Q000188:drug therapy; D001665:Binding Sites; D002986:Clinical Trials as Topic; D004912:Erythrocytes / Q000032:analysis; D005260:Female; D006400:Hematocrit; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D007501:Iron / Q000008:administration & dosage* / Q000097:blood / Q000627:therapeutic use; D008297:Male; D010808:Physical Examination; D010919:Placebos; D012141:Respiratory Tract Infections / Q000453:epidemiology / Q000517:prevention & control*; D012621:Seasons; D012737:Sex Factors; D014168:Transferrin / Q000032:analysis
chemical_list: D006454:Hemoglobins; D010919:Placebos; D014168:Transferrin; D007501:Iron