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Abstract Background The oral administration of vitamin B12 offers a potentially simpler and cheaper alternative to parenteral administration, but its effectiveness has not been definitively demonstrated
Some clinicians prefer to use a methylmalonic acid (MMA) test in place of a homocysteine test, but MMA is also a non-specific biomarker
It is inactive, which means it must undergo a conversion process in the body before it can be absorbed and used
(CT perfusion may reveal focal areas of cortical hyperperfusion
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