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2013;8:e82099

Seniors are also more likely to be taking medication that can interfere with the absorption of B12
[DOI] [PMC free article] [PubMed] [Google Scholar] 50.Jackson A
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Estrogen receptors: Their roles in regulation of vasopressin release for maintenance of fluid and electrolyte homeostasis

Vitamin B12 (cobalamin) is not commonly reported to cause constipation
