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doi: 10.1002/ueg2.12642 [DOI] [PMC free article] [PubMed] [Google Scholar] 264.National Institute on Alcohol Abuse and Alcoholism (NIAAA)

Volkov I, Rudoy I, Freud T, et al

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Older adults: Aging can reduce the body's ability to absorb B12, even with a good diet