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Agopian AJ, Canfield MA, Olney RS, Lupo PJ, Ramadhani T, Mitchell LE, Shaw GM, Moore CA; National Birth Defects Prevention Study.Agopian AJ, et al. Among authors: canfield ma.Am J Med Genet A. 2012 Jan;158A(1):109-15. doi: 10.1002/ajmg.a.34383. Epub 2011 Dec 2.Am J Med Genet A. 2012.PMID: 22140002