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If one line fails, the lab should follow its internal material-control rules rather than rely on assumption
Others may need GP-led investigation, blood tests or long-term treatment depending on the cause of deficiency
Individual protocols must be personalized based on body composition, metabolic status, and physician assessment
Clinical Response Evaluation Timeline How well patients respond to vitamin B12 therapy can differ
There are rare occasions where vitamin B12 causes allergic reactions or sensitivity
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