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Brunner HG, Nelen M, Breakefield XO, Ropers HH, van Oost BA.Brunner HG, et al. Among authors: ropers hh.Science. 1993 Oct 22;262(5133):578-80. doi: 10.1126/science.8211186.Science. 1993.PMID: 8211186
van Zandvoort PM, van Bennekom CA, Ropers HH, van Oost BA.van Zandvoort PM, et al. Among authors: ropers hh.Hum Genet. 1990 Apr;84(5):489-90. doi: 10.1007/BF00195828.Hum Genet. 1990.PMID: 1969847