Letter: Revision of composition of formulae.
D002648:Child; D002675:Child, Preschool; D005527:Food, Fortified / Q000032:analysis*; D006801:Humans; D007223:Infant; D007455:Iodine / Q000032:analysis; D009748:Nutrition Disorders / Q000517:prevention & control
D007455:Iodine