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Cram P, Cai X, Lu X, Vaughan-Sarrazin MS, Miller BJ.Cram P, et al.Mayo Clin Proc. 2012 Apr;87(4):341-8. doi: 10.1016/j.mayocp.2011.11.017.Mayo Clin Proc. 2012.PMID: 22469347Free PMC article.
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