Abstract
49,XXXXY syndrome was first described by Fraccaro and Lindsten in 1960. The incidence is estimated to be approximately 1 in 85,000 newborn males (Pallister 1982).
References
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Chen, H. (2017). XXXXY Syndrome. In: Atlas of Genetic Diagnosis and Counseling. Springer, New York, NY. https://doi.org/10.1007/978-1-4939-2401-1_253
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DOI: https://doi.org/10.1007/978-1-4939-2401-1_253
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