The integrated map of human chromosome 21.
Patterson
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Eleanor Roosevelt Institute, Denver, CO 80206, USA.
D002874:Chromosome Mapping / Q000379:methods / Q000639:trends; D002891:Chromosomes, Human, Pair 21; D004314:Down Syndrome / Q000235:genetics*; D005544:Forecasting; D006801:Humans; D006822:Hybrid Cells; D010641:Phenotype