Vitamin A deficiency--a global disease.
D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D007223:Infant; D007581:Jejunoileal Bypass; D008297:Male; D011183:Postoperative Complications; D011502:Protein-Energy Malnutrition / Q000150:complications; D014801:Vitamin A / Q000097:blood; D014802:Vitamin A Deficiency / Q000175:diagnosis / Q000209:etiology*
D014801:Vitamin A