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At-risk groups should undergo regular blood tests to ensure their B12 levels remain within a healthy range
[DOI] [PMC free article] [PubMed] [Google Scholar] 88.Zivanovic-Posilovic G., Balenovic D., Barisic I., Strinic D., Stambolija V., Udovicic M., Uzun S., Drmic D., Vlainic J., Bencic M.L., et al
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