Cartlidge P H, Curnock D A
Arch Dis Child. 1986 May;61(5):514-5. doi: 10.1136/adc.61.5.514.
A 3 year old girl with Down's syndrome became lethargic and withdrawn, and investigations showed a specific malabsorption of vitamin B12 without proteinuria.
一名患有唐氏综合征的3岁女孩变得无精打采、孤僻内向,检查显示存在维生素B12特异性吸收不良但无蛋白尿。