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Glueck DH, Lamb MM, O'Donnell CI, Ringham BM, Brinton JT, Muller KE, Lewin JM, Alonzo TA, Pisano ED.Glueck DH, et al.BMC Med Res Methodol. 2009 Jan 20;9:4. doi: 10.1186/1471-2288-9-4.BMC Med Res Methodol. 2009.PMID: 19154609Free PMC article.