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b12 injection nurse teaching Monthly Guide for Nursing Students Administering a B12 Injection Safely
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PMID: 14636871
They can help improve signal transmission across nerve cells, which is essential for optimal brain and nervous system health
[DOI] [PubMed] [Google Scholar] 81.Bostom A.G., Shemin D., Bagley P., Massy Z.A., Zanabli A., Christopher K., Spiegel P., Jacques P.F., Dworkin L., Selhub J

J Endocrinol Invest 2013