title: Specific malabsorption of vitamin B12 in Down's syndrome.
abstract: A 3 year old girl with Down's syndrome became lethargic and withdrawn, and investigations showed a specific malabsorption of vitamin B12 without proteinuria.
mesh_terms: D002675:Child, Preschool; D004314:Down Syndrome / Q000150:complications* / Q000378:metabolism; D005260:Female; D006801:Humans; D008286:Malabsorption Syndromes / Q000150:complications* / Q000175:diagnosis / Q000378:metabolism; D014805:Vitamin B 12 / Q000378:metabolism*; D014806:Vitamin B 12 Deficiency / Q000150:complications / Q000378:metabolism
chemical_list: D014805:Vitamin B 12