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Gender-wise comparison of normal and low levels of serum vitamin B12... | Download Scientific Diagram
Article: Association of vitamin B12, methylmalonic acid, and functional parameters (full text) - February 2020 - NJM
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Vitamin B12 Deficiency Optic Neuropathy: a Teaching Case Report | The Journal of Optometric Education
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dietary supplement values for preserving normal B12 levels in persons... | Download Scientific Diagram
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