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Williams syndrome
Williams syndrome Williams syndrome is a genetic disorder present at birth or in early infancy, caused by deletion of about 28 genes on chromosome 7q11.23, including the ELASTIN gene.
Williams syndrome is a genetic disorder present at birth or in early infancy, caused by deletion of about 28 genes on chromosome 7q11.23, including the ELASTIN gene. It is associated with supravalvular aortic stenosis, characteristic facial features, impaired visuospatial construction, intellectual disability, and sometimes temporary high calcium levels in infancy.