Vitamin B12 Deficiency:NICE Guideline Summary
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Copper Deficiency as a Treatable Cause of Poor Balance
BMJ 340:864-866, Khaleeli,Z., et al, 2010
Improved Neurologic Function After Long-Term Correction of Vitamin E Deficiency in Children with Chronic Cholestasis
NEJM 313:1580-1586, Sokol,R.J.,et al, 1985