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Readers Share Thoughts: Kathy responded with this observation: A high B12 reading could indicate a methylation issue which causes the B12 to pool in ones system because it can not be broken down and used properly
doi: 10.1002/j.1939-4640.2001.tb02579.x, 186
For animal studies, mice were randomly assigned to experimental groups
[DOI] [PMC free article] [PubMed] [Google Scholar] 36.Zakrzewska, A
