Vitamin A deficiency and blindness in Indian children.
D000818:Animals; D001766:Blindness / Q000453:epidemiology / Q000209:etiology*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007194:India; D007223:Infant; D014801:Vitamin A / Q000627:therapeutic use; D014802:Vitamin A Deficiency / Q000150:complications* / Q000188:drug therapy / Q000453:epidemiology
D014801:Vitamin A