title: Failure of enzymic cleavage of beta-carotene. The cause of vitamin A deficiency in a child.
mesh_terms: D002338:Carotenoids / Q000097:blood / Q000378:metabolism* / Q000627:therapeutic use; D002648:Child; D004952:Esters / Q000097:blood; D005260:Female; D006801:Humans; D008661:Metabolism, Inborn Errors / Q000150:complications*; D014801:Vitamin A / Q000097:blood / Q000378:metabolism / Q000627:therapeutic use; D014802:Vitamin A Deficiency / Q000188:drug therapy / Q000209:etiology*
chemical_list: D004952:Esters; D014801:Vitamin A; D002338:Carotenoids