It is caused by a deletion of about 26 genes from the long arm of chromosome 7. The syndrome was first identified in 1961 by New Zealander Dr. J. C. P. Williams and has an estimated prevalence of 1 in 7,500 to 1 in 20,000 births.
| Graph IRI | Count |
|---|---|
| http://dbkwik.webdatacommons.org | 14 |
![[RDF Data]](/fct/images/sw-rdf-blue.png)
