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Characteristics of Down syndrome (trisomy 21). Diagrammatic representation of the syndrome in an infant. (Adapted from F. Vogel and A. G. Motulsky, Human Genetics. Springer-Verlag, 1982.)
Copyright © 1999 W. H. Freeman and Company
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Characteristics of Down syndrome (trisomy 21). Diagrammatic representation of the syndrome in an infant. (Adapted from F. Vogel and A. G. Motulsky, Human Genetics. Springer-Verlag, 1982.)