Two cases of trisomy 21 and one XXY case
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Anne Hobbs; Marina Seabright; Sarah Mould
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Article
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1977
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Springer
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English
โ 755 KB
Three patients with mental retardation and multiple congenital abnormalities are described. Although their clinical appearance was not suggestive of Down's syndrome, chromosome studies showed a non-disjunctional trisomy 21 in two of the patients. The third case had an unsuspected XXY karyotype.