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Abnormality of the face
- ... com/home/children-s-health-issues/chromosome-and-gene-abnormalities/down-syndrome-trisomy-21 NIH Eunice Kennedy Shriver ... U.S. Department of Health and Human Services; Chromosome Abnormalities Fact Sheet; [updated 2020 Aug 15; cited 2022 ... www.genome.gov/about-genomics/fact-sheets/Chromosome-Abnormalities-Fact-Sheet NIH U.S. National Library of Medicine: ...