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So I thought it was a really good paper

[DOI] [PMC free article] [PubMed] [Google Scholar] 41.Dube SR, Fairweather D, Pearson WS, et al

People with immune disorders or digestive disorders are at increased risk for B12 deficiencies

[DOI] [PubMed] [Google Scholar] 161.Sun R., Xu K., Ji S., Pu Y., Man Z., Ji J., Chen M., Yin L., Zhang J., Pu Y
