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Presented for research literature review only Dirven HA et al
PMID: 12 ChangB.GuanH.WangX.ChenZ.ZhuW.WeiX.et al
And the moment you relaxed even slightly, it came back
Because the symptoms are so varied, B12 deficiency is often misdiagnosed, making accurate testing the only way to get a clear answer
Many other factors could explain the results
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