Observations on vitamin-A requirement.
D000284:Administration, Oral; D002338:Carotenoids / Q000378:metabolism; D002664:Child Nutritional Physiological Phenomena; D002675:Child, Preschool; D005527:Food, Fortified; D006801:Humans; D007194:India; D009751:Nutritional Requirements; D014675:Vegetables; D014801:Vitamin A / Q000008:administration & dosage / Q000097:blood / Q000378:metabolism*; D014802:Vitamin A Deficiency / Q000453:epidemiology
D014801:Vitamin A; D002338:Carotenoids