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Hopper RA, Altug AT, Grayson BH, Barillas I, Sato Y, Cutting CB, McCarthy JG.Hopper RA, et al.Cleft Palate Craniofac J. 2003 May;40(3):233-40. doi: 10.1597/1545-1569_2003_040_0233_caotcp_2.0.co_2.Cleft Palate Craniofac J. 2003.PMID: 12733950