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Spritz RA, Beighton P.Spritz RA, et al.Am J Med Genet. 1998 Jan 6;75(1):101-3. doi: 10.1002/(sici)1096-8628(19980106)75:1<101::aid-ajmg20>3.0.co;2-p.Am J Med Genet. 1998.PMID: 9450866