Rationale and design of the B-PROOF study, a randomized controlled trial on the effect of supplemental intake of vitamin B12 and folic acid on fracture incidence.
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BMC Geriatr. 2011 Dec 2;11:80. doi: 10.1186/1471-2318-11-80.
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PMID: 22136481
Free PMC article.
Clinical Trial.