title: Vitamin A and carotene values of institutionalised mentally retarded subjects with and without Down's syndrome.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002338:Carotenoids / Q000097:blood* / Q000378:metabolism; D002674:Child, Institutionalized; D004032:Diet; D004314:Down Syndrome / Q000097:blood* / Q000378:metabolism; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000097:blood*; D008297:Male; D012737:Sex Factors; D014801:Vitamin A / Q000097:blood* / Q000378:metabolism
chemical_list: D014801:Vitamin A; D002338:Carotenoids