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Elles RG, Read AP, Hodgkinson KA, Watters A, Harris R.Elles RG, et al. Among authors: watters a.J Med Genet. 1990 Jul;27(7):413-7. doi: 10.1136/jmg.27.7.413.J Med Genet. 1990.PMID: 1975629Free PMC article.