1. Huang L, Sadler L, O'Riordan MA, Robin NH. Delay in diagnosis of Williams syndrome. Clin Pediatr. 0000;00:000-000.
2.
2. Ewart A, Morris CA, Atkinson D, et al. Hemizygosity at the elastin locus in a developmental disorder, Williams syndrome. Nat Genet. 1993;5:11-16.
3.
3. Francke U. Williams-Beuren syndrome: genes and mechanisms. Hum Molec Genet. 1999;8:1947-1954.
4.
4. Kaplan P, Wang PP, Francke U. Williams (Williams Beuren) syndrome: a distinct neurobehavioral disorder. J Child Neurol. 2001;16:177-190.
5.
5. Stromme P, Hagberg G. Aetiology in severe and mild mental retardation: a population-based study of Norwegian children. Dev Med Child Neurol. 2000;42:76-86.
6.
6. Grimm T, Wesselhoeft H. Zur Genetik des Williams-Beuren-Syndroms und der isolierten Form der supravalularen Aortastenosen Untersuchungen von 128 Familien. Z Kardiol. 1980;69:168-172.
