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The authors thank the nursing staff of Frith Hospital, Leicester, and D. Dossetor and L. McManus.
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Collacott, R.A., Mitchell, C., Dawes-Gamble, L. et al. Brief report: A 48XXXY/49XXXXY male with expressive speech defect. J Autism Dev Disord 20, 577–580 (1990). https://doi.org/10.1007/BF02216062
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DOI: https://doi.org/10.1007/BF02216062