Bellagio brief on vitamin A deficiency.
D002648:Child; D002675:Child, Preschool; D003906:Developing Countries; D006801:Humans; D007223:Infant; D009751:Nutritional Requirements; D009752:Nutritional Status; D014801:Vitamin A / Q000008:administration & dosage; D014802:Vitamin A Deficiency / Q000401:mortality / Q000517:prevention & control*
D014801:Vitamin A